./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix034_tso.oepc_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_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix034_tso.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/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 daf28d8e47a2b9c408d64c16ab52dcf4c245b33d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:49:56,864 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:49:56,865 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:49:56,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:49:56,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:49:56,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:49:56,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:49:56,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:49:56,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:49:56,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:49:56,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:49:56,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:49:56,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:49:56,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:49:56,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:49:56,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:49:56,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:49:56,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:49:56,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:49:56,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:49:56,880 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:49:56,881 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:49:56,882 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:49:56,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:49:56,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:49:56,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:49:56,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:49:56,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:49:56,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:49:56,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:49:56,885 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:49:56,885 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:49:56,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:49:56,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:49:56,886 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:49:56,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:49:56,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 13:49:56,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:49:56,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:49:56,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:49:56,895 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 13:49:56,895 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:49:56,895 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:49:56,895 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 13:49:56,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:49:56,895 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:49:56,896 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:49:56,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 13:49:56,897 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:49:56,897 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:49:56,897 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_700330b6-d346-4a4e-abd6-9366a9689bb6/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 -> daf28d8e47a2b9c408d64c16ab52dcf4c245b33d [2018-12-08 13:49:56,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:49:56,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:49:56,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:49:56,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:49:56,927 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:49:56,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix034_tso.oepc_false-unreach-call.i [2018-12-08 13:49:56,968 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/data/f7565414d/7cafb30df3c94cfc80e583a4142fd2a5/FLAGf51db1763 [2018-12-08 13:49:57,406 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:49:57,407 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/sv-benchmarks/c/pthread-wmm/mix034_tso.oepc_false-unreach-call.i [2018-12-08 13:49:57,414 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/data/f7565414d/7cafb30df3c94cfc80e583a4142fd2a5/FLAGf51db1763 [2018-12-08 13:49:57,423 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/data/f7565414d/7cafb30df3c94cfc80e583a4142fd2a5 [2018-12-08 13:49:57,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:49:57,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:49:57,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:49:57,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:49:57,428 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:49:57,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdc5e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57, skipping insertion in model container [2018-12-08 13:49:57,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:49:57,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:49:57,649 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:49:57,657 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:49:57,756 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:49:57,785 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:49:57,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57 WrapperNode [2018-12-08 13:49:57,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:49:57,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:49:57,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:49:57,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:49:57,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:49:57,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:49:57,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:49:57,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:49:57,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... [2018-12-08 13:49:57,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:49:57,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:49:57,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:49:57,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:49:57,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 13:49:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 13:49:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 13:49:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-08 13:49:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 13:49:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-08 13:49:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-08 13:49:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-08 13:49:57,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-08 13:49:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-08 13:49:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:49:57,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:49:57,869 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 13:49:58,171 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:49:58,171 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 13:49:58,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:49:58 BoogieIcfgContainer [2018-12-08 13:49:58,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:49:58,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 13:49:58,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 13:49:58,174 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 13:49:58,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 01:49:57" (1/3) ... [2018-12-08 13:49:58,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423293a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:49:58, skipping insertion in model container [2018-12-08 13:49:58,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:49:57" (2/3) ... [2018-12-08 13:49:58,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423293a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:49:58, skipping insertion in model container [2018-12-08 13:49:58,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:49:58" (3/3) ... [2018-12-08 13:49:58,176 INFO L112 eAbstractionObserver]: Analyzing ICFG mix034_tso.oepc_false-unreach-call.i [2018-12-08 13:49:58,198 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,198 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,198 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,202 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,203 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,204 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 13:49:58,217 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 13:49:58,217 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 13:49:58,222 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-08 13:49:58,231 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-08 13:49:58,246 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 13:49:58,246 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 13:49:58,246 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 13:49:58,247 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 13:49:58,247 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 13:49:58,247 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 13:49:58,247 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 13:49:58,247 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 13:49:58,247 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 13:49:58,253 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144places, 182 transitions [2018-12-08 13:49:59,570 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34808 states. [2018-12-08 13:49:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 34808 states. [2018-12-08 13:49:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 13:49:59,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:49:59,577 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] [2018-12-08 13:49:59,578 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:49:59,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:49:59,581 INFO L82 PathProgramCache]: Analyzing trace with hash 998748630, now seen corresponding path program 1 times [2018-12-08 13:49:59,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:49:59,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:49:59,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:49:59,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:49:59,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:49:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:49:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:49:59,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:49:59,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:49:59,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:49:59,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:49:59,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:49:59,729 INFO L87 Difference]: Start difference. First operand 34808 states. Second operand 4 states. [2018-12-08 13:50:00,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:00,158 INFO L93 Difference]: Finished difference Result 60792 states and 234495 transitions. [2018-12-08 13:50:00,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 13:50:00,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-12-08 13:50:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:00,331 INFO L225 Difference]: With dead ends: 60792 [2018-12-08 13:50:00,331 INFO L226 Difference]: Without dead ends: 44272 [2018-12-08 13:50:00,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:50:00,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44272 states. [2018-12-08 13:50:01,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44272 to 27340. [2018-12-08 13:50:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27340 states. [2018-12-08 13:50:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27340 states to 27340 states and 105501 transitions. [2018-12-08 13:50:01,093 INFO L78 Accepts]: Start accepts. Automaton has 27340 states and 105501 transitions. Word has length 35 [2018-12-08 13:50:01,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:01,094 INFO L480 AbstractCegarLoop]: Abstraction has 27340 states and 105501 transitions. [2018-12-08 13:50:01,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:50:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 27340 states and 105501 transitions. [2018-12-08 13:50:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 13:50:01,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:01,100 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] [2018-12-08 13:50:01,101 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:01,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:01,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1553228635, now seen corresponding path program 1 times [2018-12-08 13:50:01,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:01,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:01,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:01,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:01,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:01,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:01,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:50:01,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:50:01,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:50:01,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:50:01,181 INFO L87 Difference]: Start difference. First operand 27340 states and 105501 transitions. Second operand 4 states. [2018-12-08 13:50:01,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:01,279 INFO L93 Difference]: Finished difference Result 8530 states and 28346 transitions. [2018-12-08 13:50:01,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 13:50:01,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-12-08 13:50:01,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:01,299 INFO L225 Difference]: With dead ends: 8530 [2018-12-08 13:50:01,299 INFO L226 Difference]: Without dead ends: 7468 [2018-12-08 13:50:01,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:01,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7468 states. [2018-12-08 13:50:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7468 to 7468. [2018-12-08 13:50:01,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7468 states. [2018-12-08 13:50:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 24638 transitions. [2018-12-08 13:50:01,399 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 24638 transitions. Word has length 47 [2018-12-08 13:50:01,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:01,400 INFO L480 AbstractCegarLoop]: Abstraction has 7468 states and 24638 transitions. [2018-12-08 13:50:01,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:50:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 24638 transitions. [2018-12-08 13:50:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 13:50:01,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:01,401 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:01,401 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:01,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:01,402 INFO L82 PathProgramCache]: Analyzing trace with hash -508045602, now seen corresponding path program 1 times [2018-12-08 13:50:01,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:01,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:01,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:01,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:01,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:01,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:01,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:01,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:01,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:01,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:01,485 INFO L87 Difference]: Start difference. First operand 7468 states and 24638 transitions. Second operand 6 states. [2018-12-08 13:50:01,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:01,842 INFO L93 Difference]: Finished difference Result 9664 states and 31135 transitions. [2018-12-08 13:50:01,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 13:50:01,842 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-12-08 13:50:01,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:01,861 INFO L225 Difference]: With dead ends: 9664 [2018-12-08 13:50:01,862 INFO L226 Difference]: Without dead ends: 9596 [2018-12-08 13:50:01,862 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 13:50:01,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9596 states. [2018-12-08 13:50:01,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9596 to 9443. [2018-12-08 13:50:01,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9443 states. [2018-12-08 13:50:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9443 states to 9443 states and 30544 transitions. [2018-12-08 13:50:01,969 INFO L78 Accepts]: Start accepts. Automaton has 9443 states and 30544 transitions. Word has length 48 [2018-12-08 13:50:01,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:01,970 INFO L480 AbstractCegarLoop]: Abstraction has 9443 states and 30544 transitions. [2018-12-08 13:50:01,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 9443 states and 30544 transitions. [2018-12-08 13:50:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 13:50:01,971 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:01,971 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:01,971 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:01,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:01,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1928335132, now seen corresponding path program 1 times [2018-12-08 13:50:01,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:01,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:01,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:01,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:01,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:01,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:01,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 13:50:01,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 13:50:01,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 13:50:01,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:50:01,996 INFO L87 Difference]: Start difference. First operand 9443 states and 30544 transitions. Second operand 3 states. [2018-12-08 13:50:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:02,046 INFO L93 Difference]: Finished difference Result 13281 states and 42643 transitions. [2018-12-08 13:50:02,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 13:50:02,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-12-08 13:50:02,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:02,064 INFO L225 Difference]: With dead ends: 13281 [2018-12-08 13:50:02,064 INFO L226 Difference]: Without dead ends: 13281 [2018-12-08 13:50:02,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:50:02,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13281 states. [2018-12-08 13:50:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13281 to 9847. [2018-12-08 13:50:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9847 states. [2018-12-08 13:50:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9847 states to 9847 states and 31510 transitions. [2018-12-08 13:50:02,194 INFO L78 Accepts]: Start accepts. Automaton has 9847 states and 31510 transitions. Word has length 50 [2018-12-08 13:50:02,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:02,195 INFO L480 AbstractCegarLoop]: Abstraction has 9847 states and 31510 transitions. [2018-12-08 13:50:02,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 13:50:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 9847 states and 31510 transitions. [2018-12-08 13:50:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 13:50:02,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:02,196 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] [2018-12-08 13:50:02,196 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:02,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:02,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1510963439, now seen corresponding path program 1 times [2018-12-08 13:50:02,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:02,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:02,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:02,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:02,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:02,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:02,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:02,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:02,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:02,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:02,255 INFO L87 Difference]: Start difference. First operand 9847 states and 31510 transitions. Second operand 6 states. [2018-12-08 13:50:02,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:02,513 INFO L93 Difference]: Finished difference Result 14205 states and 45066 transitions. [2018-12-08 13:50:02,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 13:50:02,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-12-08 13:50:02,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:02,530 INFO L225 Difference]: With dead ends: 14205 [2018-12-08 13:50:02,530 INFO L226 Difference]: Without dead ends: 14133 [2018-12-08 13:50:02,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 13:50:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14133 states. [2018-12-08 13:50:02,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14133 to 10851. [2018-12-08 13:50:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10851 states. [2018-12-08 13:50:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10851 states to 10851 states and 34565 transitions. [2018-12-08 13:50:02,687 INFO L78 Accepts]: Start accepts. Automaton has 10851 states and 34565 transitions. Word has length 54 [2018-12-08 13:50:02,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:02,688 INFO L480 AbstractCegarLoop]: Abstraction has 10851 states and 34565 transitions. [2018-12-08 13:50:02,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 10851 states and 34565 transitions. [2018-12-08 13:50:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 13:50:02,691 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:02,691 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:02,691 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:02,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:02,691 INFO L82 PathProgramCache]: Analyzing trace with hash 516780875, now seen corresponding path program 1 times [2018-12-08 13:50:02,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:02,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:02,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:02,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:02,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:02,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:02,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:50:02,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:50:02,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:50:02,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:50:02,745 INFO L87 Difference]: Start difference. First operand 10851 states and 34565 transitions. Second operand 4 states. [2018-12-08 13:50:02,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:02,826 INFO L93 Difference]: Finished difference Result 12398 states and 39574 transitions. [2018-12-08 13:50:02,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 13:50:02,826 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-12-08 13:50:02,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:02,839 INFO L225 Difference]: With dead ends: 12398 [2018-12-08 13:50:02,840 INFO L226 Difference]: Without dead ends: 12398 [2018-12-08 13:50:02,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:02,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12398 states. [2018-12-08 13:50:02,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12398 to 11371. [2018-12-08 13:50:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11371 states. [2018-12-08 13:50:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11371 states to 11371 states and 36238 transitions. [2018-12-08 13:50:02,960 INFO L78 Accepts]: Start accepts. Automaton has 11371 states and 36238 transitions. Word has length 62 [2018-12-08 13:50:02,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:02,960 INFO L480 AbstractCegarLoop]: Abstraction has 11371 states and 36238 transitions. [2018-12-08 13:50:02,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:50:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 11371 states and 36238 transitions. [2018-12-08 13:50:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 13:50:02,963 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:02,963 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] [2018-12-08 13:50:02,963 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:02,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:02,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2035376086, now seen corresponding path program 1 times [2018-12-08 13:50:02,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:02,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:02,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:02,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:02,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:03,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:03,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:03,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:03,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:03,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:03,013 INFO L87 Difference]: Start difference. First operand 11371 states and 36238 transitions. Second operand 6 states. [2018-12-08 13:50:03,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:03,264 INFO L93 Difference]: Finished difference Result 20971 states and 66488 transitions. [2018-12-08 13:50:03,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 13:50:03,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-08 13:50:03,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:03,287 INFO L225 Difference]: With dead ends: 20971 [2018-12-08 13:50:03,287 INFO L226 Difference]: Without dead ends: 20900 [2018-12-08 13:50:03,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-08 13:50:03,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20900 states. [2018-12-08 13:50:03,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20900 to 13757. [2018-12-08 13:50:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13757 states. [2018-12-08 13:50:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13757 states to 13757 states and 43282 transitions. [2018-12-08 13:50:03,487 INFO L78 Accepts]: Start accepts. Automaton has 13757 states and 43282 transitions. Word has length 62 [2018-12-08 13:50:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:03,487 INFO L480 AbstractCegarLoop]: Abstraction has 13757 states and 43282 transitions. [2018-12-08 13:50:03,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 13757 states and 43282 transitions. [2018-12-08 13:50:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 13:50:03,492 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:03,492 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:03,492 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:03,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:03,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1982350530, now seen corresponding path program 1 times [2018-12-08 13:50:03,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:03,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:03,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:03,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:03,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:03,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:03,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:50:03,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:50:03,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:50:03,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:50:03,544 INFO L87 Difference]: Start difference. First operand 13757 states and 43282 transitions. Second operand 4 states. [2018-12-08 13:50:03,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:03,726 INFO L93 Difference]: Finished difference Result 17637 states and 54587 transitions. [2018-12-08 13:50:03,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 13:50:03,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-08 13:50:03,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:03,745 INFO L225 Difference]: With dead ends: 17637 [2018-12-08 13:50:03,745 INFO L226 Difference]: Without dead ends: 17637 [2018-12-08 13:50:03,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:50:03,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17637 states. [2018-12-08 13:50:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17637 to 15795. [2018-12-08 13:50:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15795 states. [2018-12-08 13:50:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15795 states to 15795 states and 49133 transitions. [2018-12-08 13:50:03,941 INFO L78 Accepts]: Start accepts. Automaton has 15795 states and 49133 transitions. Word has length 66 [2018-12-08 13:50:03,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:03,941 INFO L480 AbstractCegarLoop]: Abstraction has 15795 states and 49133 transitions. [2018-12-08 13:50:03,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:50:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 15795 states and 49133 transitions. [2018-12-08 13:50:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 13:50:03,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:03,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:03,946 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:03,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:03,946 INFO L82 PathProgramCache]: Analyzing trace with hash 2057880221, now seen corresponding path program 1 times [2018-12-08 13:50:03,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:03,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:03,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:03,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:03,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:03,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:03,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 13:50:03,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 13:50:03,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 13:50:03,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:50:03,978 INFO L87 Difference]: Start difference. First operand 15795 states and 49133 transitions. Second operand 3 states. [2018-12-08 13:50:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:04,144 INFO L93 Difference]: Finished difference Result 16387 states and 50740 transitions. [2018-12-08 13:50:04,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 13:50:04,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-08 13:50:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:04,162 INFO L225 Difference]: With dead ends: 16387 [2018-12-08 13:50:04,162 INFO L226 Difference]: Without dead ends: 16387 [2018-12-08 13:50:04,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:50:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16387 states. [2018-12-08 13:50:04,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16387 to 16111. [2018-12-08 13:50:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16111 states. [2018-12-08 13:50:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16111 states to 16111 states and 49983 transitions. [2018-12-08 13:50:04,325 INFO L78 Accepts]: Start accepts. Automaton has 16111 states and 49983 transitions. Word has length 66 [2018-12-08 13:50:04,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:04,325 INFO L480 AbstractCegarLoop]: Abstraction has 16111 states and 49983 transitions. [2018-12-08 13:50:04,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 13:50:04,326 INFO L276 IsEmpty]: Start isEmpty. Operand 16111 states and 49983 transitions. [2018-12-08 13:50:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 13:50:04,331 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:04,331 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:04,331 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:04,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:04,332 INFO L82 PathProgramCache]: Analyzing trace with hash -356405788, now seen corresponding path program 1 times [2018-12-08 13:50:04,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:04,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:04,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:04,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:04,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:04,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:04,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:04,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:04,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:04,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:04,382 INFO L87 Difference]: Start difference. First operand 16111 states and 49983 transitions. Second operand 6 states. [2018-12-08 13:50:05,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:05,108 INFO L93 Difference]: Finished difference Result 19823 states and 60439 transitions. [2018-12-08 13:50:05,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 13:50:05,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-12-08 13:50:05,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:05,128 INFO L225 Difference]: With dead ends: 19823 [2018-12-08 13:50:05,128 INFO L226 Difference]: Without dead ends: 19823 [2018-12-08 13:50:05,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19823 states. [2018-12-08 13:50:05,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19823 to 18619. [2018-12-08 13:50:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18619 states. [2018-12-08 13:50:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18619 states to 18619 states and 57219 transitions. [2018-12-08 13:50:05,337 INFO L78 Accepts]: Start accepts. Automaton has 18619 states and 57219 transitions. Word has length 68 [2018-12-08 13:50:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:05,338 INFO L480 AbstractCegarLoop]: Abstraction has 18619 states and 57219 transitions. [2018-12-08 13:50:05,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 18619 states and 57219 transitions. [2018-12-08 13:50:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 13:50:05,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:05,344 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:05,344 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:05,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:05,344 INFO L82 PathProgramCache]: Analyzing trace with hash -611142333, now seen corresponding path program 1 times [2018-12-08 13:50:05,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:05,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:05,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:05,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:05,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:05,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:05,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:05,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:05,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:05,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:05,412 INFO L87 Difference]: Start difference. First operand 18619 states and 57219 transitions. Second operand 6 states. [2018-12-08 13:50:06,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:06,032 INFO L93 Difference]: Finished difference Result 21451 states and 63628 transitions. [2018-12-08 13:50:06,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 13:50:06,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-12-08 13:50:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:06,068 INFO L225 Difference]: With dead ends: 21451 [2018-12-08 13:50:06,068 INFO L226 Difference]: Without dead ends: 21451 [2018-12-08 13:50:06,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 13:50:06,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21451 states. [2018-12-08 13:50:06,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21451 to 19135. [2018-12-08 13:50:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19135 states. [2018-12-08 13:50:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19135 states to 19135 states and 57766 transitions. [2018-12-08 13:50:06,274 INFO L78 Accepts]: Start accepts. Automaton has 19135 states and 57766 transitions. Word has length 68 [2018-12-08 13:50:06,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:06,274 INFO L480 AbstractCegarLoop]: Abstraction has 19135 states and 57766 transitions. [2018-12-08 13:50:06,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 19135 states and 57766 transitions. [2018-12-08 13:50:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 13:50:06,281 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:06,282 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:06,282 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:06,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:06,282 INFO L82 PathProgramCache]: Analyzing trace with hash -678149086, now seen corresponding path program 1 times [2018-12-08 13:50:06,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:06,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:06,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:06,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:06,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:06,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:06,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 13:50:06,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 13:50:06,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 13:50:06,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:06,328 INFO L87 Difference]: Start difference. First operand 19135 states and 57766 transitions. Second operand 5 states. [2018-12-08 13:50:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:06,549 INFO L93 Difference]: Finished difference Result 25026 states and 75020 transitions. [2018-12-08 13:50:06,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 13:50:06,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-12-08 13:50:06,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:06,577 INFO L225 Difference]: With dead ends: 25026 [2018-12-08 13:50:06,578 INFO L226 Difference]: Without dead ends: 25026 [2018-12-08 13:50:06,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25026 states. [2018-12-08 13:50:06,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25026 to 22711. [2018-12-08 13:50:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22711 states. [2018-12-08 13:50:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22711 states to 22711 states and 68034 transitions. [2018-12-08 13:50:06,834 INFO L78 Accepts]: Start accepts. Automaton has 22711 states and 68034 transitions. Word has length 68 [2018-12-08 13:50:06,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:06,834 INFO L480 AbstractCegarLoop]: Abstraction has 22711 states and 68034 transitions. [2018-12-08 13:50:06,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 13:50:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 22711 states and 68034 transitions. [2018-12-08 13:50:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 13:50:06,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:06,843 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:06,843 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:06,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:06,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1188683263, now seen corresponding path program 1 times [2018-12-08 13:50:06,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:06,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:06,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:06,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:06,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:06,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:06,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 13:50:06,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 13:50:06,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 13:50:06,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:06,901 INFO L87 Difference]: Start difference. First operand 22711 states and 68034 transitions. Second operand 5 states. [2018-12-08 13:50:07,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:07,248 INFO L93 Difference]: Finished difference Result 31961 states and 94873 transitions. [2018-12-08 13:50:07,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 13:50:07,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-12-08 13:50:07,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:07,280 INFO L225 Difference]: With dead ends: 31961 [2018-12-08 13:50:07,280 INFO L226 Difference]: Without dead ends: 31961 [2018-12-08 13:50:07,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 13:50:07,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31961 states. [2018-12-08 13:50:07,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31961 to 28241. [2018-12-08 13:50:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28241 states. [2018-12-08 13:50:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28241 states to 28241 states and 84261 transitions. [2018-12-08 13:50:07,606 INFO L78 Accepts]: Start accepts. Automaton has 28241 states and 84261 transitions. Word has length 68 [2018-12-08 13:50:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:07,606 INFO L480 AbstractCegarLoop]: Abstraction has 28241 states and 84261 transitions. [2018-12-08 13:50:07,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 13:50:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 28241 states and 84261 transitions. [2018-12-08 13:50:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 13:50:07,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:07,614 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:07,614 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:07,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:07,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1298829570, now seen corresponding path program 1 times [2018-12-08 13:50:07,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:07,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:07,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:07,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:07,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:07,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:07,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:07,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:07,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:07,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:07,683 INFO L87 Difference]: Start difference. First operand 28241 states and 84261 transitions. Second operand 6 states. [2018-12-08 13:50:07,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:07,799 INFO L93 Difference]: Finished difference Result 28041 states and 79299 transitions. [2018-12-08 13:50:07,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 13:50:07,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2018-12-08 13:50:07,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:07,828 INFO L225 Difference]: With dead ends: 28041 [2018-12-08 13:50:07,828 INFO L226 Difference]: Without dead ends: 28041 [2018-12-08 13:50:07,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28041 states. [2018-12-08 13:50:08,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28041 to 23993. [2018-12-08 13:50:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23993 states. [2018-12-08 13:50:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23993 states to 23993 states and 68156 transitions. [2018-12-08 13:50:08,077 INFO L78 Accepts]: Start accepts. Automaton has 23993 states and 68156 transitions. Word has length 68 [2018-12-08 13:50:08,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:08,077 INFO L480 AbstractCegarLoop]: Abstraction has 23993 states and 68156 transitions. [2018-12-08 13:50:08,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 23993 states and 68156 transitions. [2018-12-08 13:50:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 13:50:08,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:08,084 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:08,084 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:08,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:08,084 INFO L82 PathProgramCache]: Analyzing trace with hash 389381892, now seen corresponding path program 1 times [2018-12-08 13:50:08,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:08,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:08,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:08,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:08,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:08,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 13:50:08,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 13:50:08,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 13:50:08,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:08,118 INFO L87 Difference]: Start difference. First operand 23993 states and 68156 transitions. Second operand 5 states. [2018-12-08 13:50:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:08,156 INFO L93 Difference]: Finished difference Result 7181 states and 17283 transitions. [2018-12-08 13:50:08,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 13:50:08,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2018-12-08 13:50:08,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:08,161 INFO L225 Difference]: With dead ends: 7181 [2018-12-08 13:50:08,161 INFO L226 Difference]: Without dead ends: 5896 [2018-12-08 13:50:08,161 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:08,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5896 states. [2018-12-08 13:50:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5896 to 5236. [2018-12-08 13:50:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5236 states. [2018-12-08 13:50:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 12141 transitions. [2018-12-08 13:50:08,200 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 12141 transitions. Word has length 68 [2018-12-08 13:50:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:08,200 INFO L480 AbstractCegarLoop]: Abstraction has 5236 states and 12141 transitions. [2018-12-08 13:50:08,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 13:50:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 12141 transitions. [2018-12-08 13:50:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-08 13:50:08,203 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:08,203 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:08,203 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:08,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:08,204 INFO L82 PathProgramCache]: Analyzing trace with hash -342568837, now seen corresponding path program 1 times [2018-12-08 13:50:08,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:08,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:08,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:08,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:08,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:08,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 13:50:08,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 13:50:08,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 13:50:08,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:50:08,221 INFO L87 Difference]: Start difference. First operand 5236 states and 12141 transitions. Second operand 3 states. [2018-12-08 13:50:08,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:08,245 INFO L93 Difference]: Finished difference Result 6577 states and 15019 transitions. [2018-12-08 13:50:08,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 13:50:08,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-12-08 13:50:08,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:08,249 INFO L225 Difference]: With dead ends: 6577 [2018-12-08 13:50:08,250 INFO L226 Difference]: Without dead ends: 6577 [2018-12-08 13:50:08,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:50:08,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6577 states. [2018-12-08 13:50:08,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6577 to 5175. [2018-12-08 13:50:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5175 states. [2018-12-08 13:50:08,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 11681 transitions. [2018-12-08 13:50:08,293 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 11681 transitions. Word has length 68 [2018-12-08 13:50:08,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:08,293 INFO L480 AbstractCegarLoop]: Abstraction has 5175 states and 11681 transitions. [2018-12-08 13:50:08,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 13:50:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 11681 transitions. [2018-12-08 13:50:08,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 13:50:08,297 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:08,297 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] [2018-12-08 13:50:08,298 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:08,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:08,298 INFO L82 PathProgramCache]: Analyzing trace with hash -571353426, now seen corresponding path program 1 times [2018-12-08 13:50:08,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:08,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:08,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:08,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:08,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:08,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 13:50:08,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 13:50:08,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 13:50:08,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:08,342 INFO L87 Difference]: Start difference. First operand 5175 states and 11681 transitions. Second operand 5 states. [2018-12-08 13:50:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:08,426 INFO L93 Difference]: Finished difference Result 6325 states and 14274 transitions. [2018-12-08 13:50:08,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 13:50:08,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-08 13:50:08,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:08,430 INFO L225 Difference]: With dead ends: 6325 [2018-12-08 13:50:08,431 INFO L226 Difference]: Without dead ends: 6325 [2018-12-08 13:50:08,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 13:50:08,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6325 states. [2018-12-08 13:50:08,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6325 to 5619. [2018-12-08 13:50:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5619 states. [2018-12-08 13:50:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 12685 transitions. [2018-12-08 13:50:08,468 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 12685 transitions. Word has length 74 [2018-12-08 13:50:08,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:08,468 INFO L480 AbstractCegarLoop]: Abstraction has 5619 states and 12685 transitions. [2018-12-08 13:50:08,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 13:50:08,468 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 12685 transitions. [2018-12-08 13:50:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 13:50:08,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:08,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:08,471 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:08,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:08,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1171456909, now seen corresponding path program 1 times [2018-12-08 13:50:08,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:08,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:08,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:08,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:08,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:08,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 13:50:08,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 13:50:08,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 13:50:08,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:08,514 INFO L87 Difference]: Start difference. First operand 5619 states and 12685 transitions. Second operand 7 states. [2018-12-08 13:50:08,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:08,716 INFO L93 Difference]: Finished difference Result 6586 states and 14710 transitions. [2018-12-08 13:50:08,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 13:50:08,717 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2018-12-08 13:50:08,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:08,720 INFO L225 Difference]: With dead ends: 6586 [2018-12-08 13:50:08,721 INFO L226 Difference]: Without dead ends: 6484 [2018-12-08 13:50:08,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-12-08 13:50:08,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6484 states. [2018-12-08 13:50:08,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6484 to 5716. [2018-12-08 13:50:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5716 states. [2018-12-08 13:50:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5716 states to 5716 states and 12778 transitions. [2018-12-08 13:50:08,759 INFO L78 Accepts]: Start accepts. Automaton has 5716 states and 12778 transitions. Word has length 74 [2018-12-08 13:50:08,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:08,760 INFO L480 AbstractCegarLoop]: Abstraction has 5716 states and 12778 transitions. [2018-12-08 13:50:08,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 13:50:08,760 INFO L276 IsEmpty]: Start isEmpty. Operand 5716 states and 12778 transitions. [2018-12-08 13:50:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 13:50:08,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:08,763 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] [2018-12-08 13:50:08,763 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:08,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:08,764 INFO L82 PathProgramCache]: Analyzing trace with hash 2144466605, now seen corresponding path program 1 times [2018-12-08 13:50:08,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:08,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:08,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:08,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:08,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:08,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 13:50:08,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 13:50:08,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 13:50:08,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:08,814 INFO L87 Difference]: Start difference. First operand 5716 states and 12778 transitions. Second operand 7 states. [2018-12-08 13:50:09,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:09,145 INFO L93 Difference]: Finished difference Result 7199 states and 16113 transitions. [2018-12-08 13:50:09,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 13:50:09,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-08 13:50:09,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:09,150 INFO L225 Difference]: With dead ends: 7199 [2018-12-08 13:50:09,150 INFO L226 Difference]: Without dead ends: 7199 [2018-12-08 13:50:09,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:09,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7199 states. [2018-12-08 13:50:09,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7199 to 5856. [2018-12-08 13:50:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5856 states. [2018-12-08 13:50:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5856 states to 5856 states and 13166 transitions. [2018-12-08 13:50:09,195 INFO L78 Accepts]: Start accepts. Automaton has 5856 states and 13166 transitions. Word has length 95 [2018-12-08 13:50:09,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:09,195 INFO L480 AbstractCegarLoop]: Abstraction has 5856 states and 13166 transitions. [2018-12-08 13:50:09,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 13:50:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5856 states and 13166 transitions. [2018-12-08 13:50:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 13:50:09,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:09,199 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:50:09,199 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:09,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:09,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1598659536, now seen corresponding path program 1 times [2018-12-08 13:50:09,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:09,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:09,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:09,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:09,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:09,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:50:09,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:50:09,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:50:09,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:50:09,225 INFO L87 Difference]: Start difference. First operand 5856 states and 13166 transitions. Second operand 4 states. [2018-12-08 13:50:09,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:09,279 INFO L93 Difference]: Finished difference Result 6980 states and 15568 transitions. [2018-12-08 13:50:09,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 13:50:09,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-12-08 13:50:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:09,283 INFO L225 Difference]: With dead ends: 6980 [2018-12-08 13:50:09,283 INFO L226 Difference]: Without dead ends: 6980 [2018-12-08 13:50:09,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:09,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6980 states. [2018-12-08 13:50:09,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6980 to 6213. [2018-12-08 13:50:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6213 states. [2018-12-08 13:50:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 13936 transitions. [2018-12-08 13:50:09,328 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 13936 transitions. Word has length 95 [2018-12-08 13:50:09,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:09,328 INFO L480 AbstractCegarLoop]: Abstraction has 6213 states and 13936 transitions. [2018-12-08 13:50:09,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:50:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 13936 transitions. [2018-12-08 13:50:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:09,332 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:09,332 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] [2018-12-08 13:50:09,332 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:09,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:09,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1803412790, now seen corresponding path program 1 times [2018-12-08 13:50:09,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:09,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:09,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:09,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:09,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:09,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:09,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 13:50:09,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 13:50:09,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 13:50:09,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:09,380 INFO L87 Difference]: Start difference. First operand 6213 states and 13936 transitions. Second operand 5 states. [2018-12-08 13:50:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:09,442 INFO L93 Difference]: Finished difference Result 6659 states and 14882 transitions. [2018-12-08 13:50:09,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 13:50:09,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2018-12-08 13:50:09,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:09,446 INFO L225 Difference]: With dead ends: 6659 [2018-12-08 13:50:09,446 INFO L226 Difference]: Without dead ends: 6659 [2018-12-08 13:50:09,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:09,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6659 states. [2018-12-08 13:50:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6659 to 5109. [2018-12-08 13:50:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5109 states. [2018-12-08 13:50:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 11452 transitions. [2018-12-08 13:50:09,484 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 11452 transitions. Word has length 97 [2018-12-08 13:50:09,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:09,484 INFO L480 AbstractCegarLoop]: Abstraction has 5109 states and 11452 transitions. [2018-12-08 13:50:09,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 13:50:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 11452 transitions. [2018-12-08 13:50:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:09,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:09,488 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] [2018-12-08 13:50:09,488 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:09,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:09,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1814728917, now seen corresponding path program 1 times [2018-12-08 13:50:09,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:09,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:09,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:09,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:09,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:09,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:50:09,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:50:09,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:50:09,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:50:09,520 INFO L87 Difference]: Start difference. First operand 5109 states and 11452 transitions. Second operand 4 states. [2018-12-08 13:50:09,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:09,646 INFO L93 Difference]: Finished difference Result 6613 states and 14743 transitions. [2018-12-08 13:50:09,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 13:50:09,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-12-08 13:50:09,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:09,650 INFO L225 Difference]: With dead ends: 6613 [2018-12-08 13:50:09,650 INFO L226 Difference]: Without dead ends: 6566 [2018-12-08 13:50:09,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:09,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6566 states. [2018-12-08 13:50:09,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6566 to 6157. [2018-12-08 13:50:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6157 states. [2018-12-08 13:50:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6157 states to 6157 states and 13768 transitions. [2018-12-08 13:50:09,692 INFO L78 Accepts]: Start accepts. Automaton has 6157 states and 13768 transitions. Word has length 97 [2018-12-08 13:50:09,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:09,692 INFO L480 AbstractCegarLoop]: Abstraction has 6157 states and 13768 transitions. [2018-12-08 13:50:09,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:50:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 6157 states and 13768 transitions. [2018-12-08 13:50:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:09,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:09,696 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] [2018-12-08 13:50:09,696 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:09,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:09,697 INFO L82 PathProgramCache]: Analyzing trace with hash -262480426, now seen corresponding path program 1 times [2018-12-08 13:50:09,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:09,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:09,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:09,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:09,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:09,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 13:50:09,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 13:50:09,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 13:50:09,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-08 13:50:09,793 INFO L87 Difference]: Start difference. First operand 6157 states and 13768 transitions. Second operand 9 states. [2018-12-08 13:50:10,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:10,251 INFO L93 Difference]: Finished difference Result 7878 states and 17405 transitions. [2018-12-08 13:50:10,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 13:50:10,251 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-12-08 13:50:10,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:10,256 INFO L225 Difference]: With dead ends: 7878 [2018-12-08 13:50:10,256 INFO L226 Difference]: Without dead ends: 7878 [2018-12-08 13:50:10,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2018-12-08 13:50:10,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7878 states. [2018-12-08 13:50:10,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7878 to 6683. [2018-12-08 13:50:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6683 states. [2018-12-08 13:50:10,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6683 states to 6683 states and 14838 transitions. [2018-12-08 13:50:10,309 INFO L78 Accepts]: Start accepts. Automaton has 6683 states and 14838 transitions. Word has length 97 [2018-12-08 13:50:10,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:10,309 INFO L480 AbstractCegarLoop]: Abstraction has 6683 states and 14838 transitions. [2018-12-08 13:50:10,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 13:50:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 6683 states and 14838 transitions. [2018-12-08 13:50:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:10,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:10,315 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] [2018-12-08 13:50:10,315 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:10,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:10,315 INFO L82 PathProgramCache]: Analyzing trace with hash -51129513, now seen corresponding path program 1 times [2018-12-08 13:50:10,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:10,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:10,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:10,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:10,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:10,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:10,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 13:50:10,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 13:50:10,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 13:50:10,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 13:50:10,452 INFO L87 Difference]: Start difference. First operand 6683 states and 14838 transitions. Second operand 11 states. [2018-12-08 13:50:11,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:11,282 INFO L93 Difference]: Finished difference Result 12276 states and 27352 transitions. [2018-12-08 13:50:11,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 13:50:11,283 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 97 [2018-12-08 13:50:11,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:11,288 INFO L225 Difference]: With dead ends: 12276 [2018-12-08 13:50:11,288 INFO L226 Difference]: Without dead ends: 8479 [2018-12-08 13:50:11,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-08 13:50:11,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2018-12-08 13:50:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 6439. [2018-12-08 13:50:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6439 states. [2018-12-08 13:50:11,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6439 states to 6439 states and 14285 transitions. [2018-12-08 13:50:11,342 INFO L78 Accepts]: Start accepts. Automaton has 6439 states and 14285 transitions. Word has length 97 [2018-12-08 13:50:11,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:11,342 INFO L480 AbstractCegarLoop]: Abstraction has 6439 states and 14285 transitions. [2018-12-08 13:50:11,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 13:50:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 6439 states and 14285 transitions. [2018-12-08 13:50:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:11,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:11,347 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] [2018-12-08 13:50:11,347 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:11,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:11,347 INFO L82 PathProgramCache]: Analyzing trace with hash 746604445, now seen corresponding path program 1 times [2018-12-08 13:50:11,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:11,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:11,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:11,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:11,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:11,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:11,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:11,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:11,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:11,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:11,418 INFO L87 Difference]: Start difference. First operand 6439 states and 14285 transitions. Second operand 6 states. [2018-12-08 13:50:11,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:11,553 INFO L93 Difference]: Finished difference Result 7393 states and 16150 transitions. [2018-12-08 13:50:11,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 13:50:11,553 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-12-08 13:50:11,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:11,557 INFO L225 Difference]: With dead ends: 7393 [2018-12-08 13:50:11,558 INFO L226 Difference]: Without dead ends: 7362 [2018-12-08 13:50:11,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:50:11,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7362 states. [2018-12-08 13:50:11,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 6492. [2018-12-08 13:50:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6492 states. [2018-12-08 13:50:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6492 states to 6492 states and 14216 transitions. [2018-12-08 13:50:11,609 INFO L78 Accepts]: Start accepts. Automaton has 6492 states and 14216 transitions. Word has length 97 [2018-12-08 13:50:11,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:11,609 INFO L480 AbstractCegarLoop]: Abstraction has 6492 states and 14216 transitions. [2018-12-08 13:50:11,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6492 states and 14216 transitions. [2018-12-08 13:50:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:11,613 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:11,613 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] [2018-12-08 13:50:11,613 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:11,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:11,613 INFO L82 PathProgramCache]: Analyzing trace with hash -439969543, now seen corresponding path program 1 times [2018-12-08 13:50:11,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:11,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:11,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:11,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:11,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:11,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:11,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 13:50:11,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 13:50:11,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 13:50:11,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:50:11,656 INFO L87 Difference]: Start difference. First operand 6492 states and 14216 transitions. Second operand 5 states. [2018-12-08 13:50:11,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:11,797 INFO L93 Difference]: Finished difference Result 7692 states and 16739 transitions. [2018-12-08 13:50:11,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 13:50:11,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2018-12-08 13:50:11,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:11,803 INFO L225 Difference]: With dead ends: 7692 [2018-12-08 13:50:11,803 INFO L226 Difference]: Without dead ends: 7605 [2018-12-08 13:50:11,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 13:50:11,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2018-12-08 13:50:11,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 6147. [2018-12-08 13:50:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6147 states. [2018-12-08 13:50:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 13534 transitions. [2018-12-08 13:50:11,864 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 13534 transitions. Word has length 97 [2018-12-08 13:50:11,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:11,864 INFO L480 AbstractCegarLoop]: Abstraction has 6147 states and 13534 transitions. [2018-12-08 13:50:11,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 13:50:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 13534 transitions. [2018-12-08 13:50:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:11,868 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:11,868 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] [2018-12-08 13:50:11,868 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:11,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:11,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1423115111, now seen corresponding path program 2 times [2018-12-08 13:50:11,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:11,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:11,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:11,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:11,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:11,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:11,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 13:50:11,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 13:50:11,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 13:50:11,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 13:50:11,961 INFO L87 Difference]: Start difference. First operand 6147 states and 13534 transitions. Second operand 9 states. [2018-12-08 13:50:12,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:12,279 INFO L93 Difference]: Finished difference Result 6889 states and 15104 transitions. [2018-12-08 13:50:12,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 13:50:12,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-12-08 13:50:12,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:12,283 INFO L225 Difference]: With dead ends: 6889 [2018-12-08 13:50:12,284 INFO L226 Difference]: Without dead ends: 6882 [2018-12-08 13:50:12,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-12-08 13:50:12,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6882 states. [2018-12-08 13:50:12,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6882 to 6286. [2018-12-08 13:50:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6286 states. [2018-12-08 13:50:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 13832 transitions. [2018-12-08 13:50:12,327 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 13832 transitions. Word has length 97 [2018-12-08 13:50:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:12,328 INFO L480 AbstractCegarLoop]: Abstraction has 6286 states and 13832 transitions. [2018-12-08 13:50:12,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 13:50:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 13832 transitions. [2018-12-08 13:50:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:12,331 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:12,331 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] [2018-12-08 13:50:12,331 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:12,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:12,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1211764198, now seen corresponding path program 1 times [2018-12-08 13:50:12,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:12,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:12,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:12,332 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 13:50:12,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:12,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:12,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:50:12,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:50:12,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:50:12,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:50:12,369 INFO L87 Difference]: Start difference. First operand 6286 states and 13832 transitions. Second operand 6 states. [2018-12-08 13:50:12,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:12,481 INFO L93 Difference]: Finished difference Result 6559 states and 14367 transitions. [2018-12-08 13:50:12,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 13:50:12,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-12-08 13:50:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:12,485 INFO L225 Difference]: With dead ends: 6559 [2018-12-08 13:50:12,485 INFO L226 Difference]: Without dead ends: 6559 [2018-12-08 13:50:12,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-08 13:50:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6559 states. [2018-12-08 13:50:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6108. [2018-12-08 13:50:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6108 states. [2018-12-08 13:50:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6108 states to 6108 states and 13426 transitions. [2018-12-08 13:50:12,526 INFO L78 Accepts]: Start accepts. Automaton has 6108 states and 13426 transitions. Word has length 97 [2018-12-08 13:50:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:12,526 INFO L480 AbstractCegarLoop]: Abstraction has 6108 states and 13426 transitions. [2018-12-08 13:50:12,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:50:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 6108 states and 13426 transitions. [2018-12-08 13:50:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:12,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:12,530 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] [2018-12-08 13:50:12,530 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:12,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:12,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1915558852, now seen corresponding path program 2 times [2018-12-08 13:50:12,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:12,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:12,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:12,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:50:12,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:50:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:50:12,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:50:12,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 13:50:12,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 13:50:12,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 13:50:12,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 13:50:12,609 INFO L87 Difference]: Start difference. First operand 6108 states and 13426 transitions. Second operand 8 states. [2018-12-08 13:50:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:50:12,822 INFO L93 Difference]: Finished difference Result 7714 states and 16755 transitions. [2018-12-08 13:50:12,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 13:50:12,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2018-12-08 13:50:12,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:50:12,826 INFO L225 Difference]: With dead ends: 7714 [2018-12-08 13:50:12,826 INFO L226 Difference]: Without dead ends: 7714 [2018-12-08 13:50:12,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-12-08 13:50:12,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7714 states. [2018-12-08 13:50:12,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7714 to 6218. [2018-12-08 13:50:12,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6218 states. [2018-12-08 13:50:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 6218 states and 13681 transitions. [2018-12-08 13:50:12,873 INFO L78 Accepts]: Start accepts. Automaton has 6218 states and 13681 transitions. Word has length 97 [2018-12-08 13:50:12,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:50:12,873 INFO L480 AbstractCegarLoop]: Abstraction has 6218 states and 13681 transitions. [2018-12-08 13:50:12,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 13:50:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 6218 states and 13681 transitions. [2018-12-08 13:50:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:50:12,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:50:12,877 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] [2018-12-08 13:50:12,877 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:50:12,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:50:12,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1704207939, now seen corresponding path program 2 times [2018-12-08 13:50:12,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:50:12,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:50:12,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:12,878 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 13:50:12,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:50:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:50:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:50:12,913 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 13:50:12,982 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 13:50:12,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 01:50:12 BasicIcfg [2018-12-08 13:50:12,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 13:50:12,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:50:12,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:50:12,983 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:50:12,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:49:58" (3/4) ... [2018-12-08 13:50:12,985 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 13:50:13,055 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_700330b6-d346-4a4e-abd6-9366a9689bb6/bin-2019/uautomizer/witness.graphml [2018-12-08 13:50:13,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:50:13,056 INFO L168 Benchmark]: Toolchain (without parser) took 15630.62 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 957.1 MB in the beginning and 928.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 13:50:13,057 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:50:13,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:50:13,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:50:13,057 INFO L168 Benchmark]: Boogie Preprocessor took 18.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:50:13,057 INFO L168 Benchmark]: RCFGBuilder took 336.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:50:13,058 INFO L168 Benchmark]: TraceAbstraction took 14810.74 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 928.5 MB). Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 91.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-08 13:50:13,058 INFO L168 Benchmark]: Witness Printer took 72.53 ms. Allocated memory is still 2.1 GB. Free memory was 972.3 MB in the beginning and 928.5 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:50:13,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.91 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 336.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14810.74 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 928.5 MB). Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 91.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 72.53 ms. Allocated memory is still 2.1 GB. Free memory was 972.3 MB in the beginning and 928.5 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L671] -1 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L673] -1 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L675] -1 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L677] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L678] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L679] -1 _Bool main$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] [L681] -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 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, y=0] [L685] -1 int z = 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, y=0, z=0] [L686] -1 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L687] -1 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L688] -1 _Bool z$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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L689] -1 _Bool z$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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L690] -1 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L691] -1 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0] [L692] -1 _Bool z$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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L693] -1 _Bool z$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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L694] -1 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0] [L695] -1 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L696] -1 int z$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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L697] -1 _Bool z$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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L698] -1 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L699] -1 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L700] -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, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L701] -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$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L780] -1 pthread_t t911; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L781] FCALL, FORK -1 pthread_create(&t911, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L705] 0 z$w_buff1 = z$w_buff0 [L706] 0 z$w_buff0 = 1 [L707] 0 z$w_buff1_used = z$w_buff0_used [L708] 0 z$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L710] 0 z$r_buff1_thd0 = z$r_buff0_thd0 [L711] 0 z$r_buff1_thd1 = z$r_buff0_thd1 [L712] 0 z$r_buff1_thd2 = z$r_buff0_thd2 [L713] 0 z$r_buff0_thd1 = (_Bool)1 [L716] 0 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L719] EXPR 0 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] -1 pthread_t t912; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] FCALL, FORK -1 pthread_create(&t912, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L733] 1 x = 1 [L736] 1 y = 1 [L739] 1 __unbuffered_p1_EAX = y [L742] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L743] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L744] 1 z$flush_delayed = weak$$choice2 [L745] 1 z$mem_tmp = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] EXPR 1 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) VAL [!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L746] 1 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L747] EXPR 1 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0))=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L747] 1 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L748] EXPR 1 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1))=0, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L748] 1 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L749] EXPR 1 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used))=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L749] 1 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L750] EXPR 1 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L750] 1 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L751] EXPR 1 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2))=0, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L752] EXPR 1 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L753] 1 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=1, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] EXPR 1 z$flush_delayed ? z$mem_tmp : z 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=1, z$flush_delayed ? z$mem_tmp : z=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L719] 0 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L720] EXPR 0 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1, z$flush_delayed=1, z$flush_delayed ? z$mem_tmp : z=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L720] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L721] EXPR 0 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1, z$flush_delayed=1, z$flush_delayed ? z$mem_tmp : z=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L721] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L722] EXPR 0 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1, z$flush_delayed=1, z$flush_delayed ? z$mem_tmp : z=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L722] 0 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L723] EXPR 0 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1, z$flush_delayed=1, z$flush_delayed ? z$mem_tmp : z=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L723] 0 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L726] 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=1, z$flush_delayed=1, z$flush_delayed ? z$mem_tmp : z=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 z = z$flush_delayed ? z$mem_tmp : z [L755] 1 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L758] EXPR 1 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z=0] [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z)=0, z$w_buff1=0, z$w_buff1_used=0, z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z=0] [L758] 1 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used=0, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2=0, z$w_buff1=0, z$w_buff1_used=0] [L761] 1 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2=0, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L785] -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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L789] EXPR -1 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L789] EXPR -1 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L789] EXPR -1 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L789] -1 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L790] EXPR -1 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L790] -1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L791] EXPR -1 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L791] -1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L792] EXPR -1 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L792] -1 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L793] EXPR -1 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L793] -1 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L796] -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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L4] 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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L4] -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$$choice0=0, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 224 locations, 3 error locations. UNSAFE Result, 14.7s OverallTime, 30 OverallIterations, 1 TraceHistogramMax, 7.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7951 SDtfs, 8807 SDslu, 18370 SDs, 0 SdLazy, 7681 SolverSat, 362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 72 SyntacticMatches, 33 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34808occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 29 MinimizatonAttempts, 63403 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2274 NumberOfCodeBlocks, 2274 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 2148 ConstructedInterpolants, 0 QuantifiedInterpolants, 449634 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...