./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-wmm/rfi007_pso.oepc_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-wmm/rfi007_pso.oepc_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a30a75099bfc7085c3bb0db7d9c1b74b69a69eff ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-2e94e6a [2018-12-31 22:52:16,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 22:52:16,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 22:52:16,635 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 22:52:16,636 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 22:52:16,637 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 22:52:16,638 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 22:52:16,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 22:52:16,642 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 22:52:16,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 22:52:16,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 22:52:16,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 22:52:16,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 22:52:16,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 22:52:16,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 22:52:16,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 22:52:16,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 22:52:16,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 22:52:16,652 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 22:52:16,653 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 22:52:16,654 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 22:52:16,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 22:52:16,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 22:52:16,659 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 22:52:16,659 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 22:52:16,660 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 22:52:16,661 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 22:52:16,661 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 22:52:16,662 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 22:52:16,663 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 22:52:16,664 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 22:52:16,664 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 22:52:16,665 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 22:52:16,665 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 22:52:16,666 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 22:52:16,666 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 22:52:16,667 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 22:52:16,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 22:52:16,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 22:52:16,694 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 22:52:16,694 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 22:52:16,694 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 22:52:16,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 22:52:16,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 22:52:16,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 22:52:16,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 22:52:16,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 22:52:16,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 22:52:16,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 22:52:16,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 22:52:16,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 22:52:16,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 22:52:16,696 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 22:52:16,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 22:52:16,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 22:52:16,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 22:52:16,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 22:52:16,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 22:52:16,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 22:52:16,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 22:52:16,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 22:52:16,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 22:52:16,699 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 22:52:16,699 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 22:52:16,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 22:52:16,700 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a30a75099bfc7085c3bb0db7d9c1b74b69a69eff [2018-12-31 22:52:16,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 22:52:16,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 22:52:16,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 22:52:16,782 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 22:52:16,782 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 22:52:16,783 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-wmm/rfi007_pso.oepc_false-unreach-call.i [2018-12-31 22:52:16,854 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3523d63fa/ddb3f0ac69fa4369ad2b5574aae3194d/FLAG1309cd735 [2018-12-31 22:52:17,443 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 22:52:17,444 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-wmm/rfi007_pso.oepc_false-unreach-call.i [2018-12-31 22:52:17,468 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3523d63fa/ddb3f0ac69fa4369ad2b5574aae3194d/FLAG1309cd735 [2018-12-31 22:52:17,706 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3523d63fa/ddb3f0ac69fa4369ad2b5574aae3194d [2018-12-31 22:52:17,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 22:52:17,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 22:52:17,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 22:52:17,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 22:52:17,719 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 22:52:17,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 10:52:17" (1/1) ... [2018-12-31 22:52:17,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785cf55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:17, skipping insertion in model container [2018-12-31 22:52:17,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 10:52:17" (1/1) ... [2018-12-31 22:52:17,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 22:52:17,796 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 22:52:18,387 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 22:52:18,409 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 22:52:18,562 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 22:52:18,647 INFO L195 MainTranslator]: Completed translation [2018-12-31 22:52:18,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18 WrapperNode [2018-12-31 22:52:18,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 22:52:18,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 22:52:18,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 22:52:18,649 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 22:52:18,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 22:52:18,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 22:52:18,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 22:52:18,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 22:52:18,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... [2018-12-31 22:52:18,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 22:52:18,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 22:52:18,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 22:52:18,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 22:52:18,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-12-31 22:52:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 22:52:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-31 22:52:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 22:52:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 22:52:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-31 22:52:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-31 22:52:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-31 22:52:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-31 22:52:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-31 22:52:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 22:52:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 22:52:18,905 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-31 22:52:20,130 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 22:52:20,130 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-31 22:52:20,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 10:52:20 BoogieIcfgContainer [2018-12-31 22:52:20,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 22:52:20,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 22:52:20,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 22:52:20,139 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 22:52:20,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 10:52:17" (1/3) ... [2018-12-31 22:52:20,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d302c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 10:52:20, skipping insertion in model container [2018-12-31 22:52:20,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 10:52:18" (2/3) ... [2018-12-31 22:52:20,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d302c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 10:52:20, skipping insertion in model container [2018-12-31 22:52:20,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 10:52:20" (3/3) ... [2018-12-31 22:52:20,143 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi007_pso.oepc_false-unreach-call.i [2018-12-31 22:52:20,195 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,196 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,196 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,196 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,196 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,196 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,196 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,197 WARN L317 ript$VariableManager]: TermVariabe Thread0_P0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,197 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,197 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,197 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,198 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,198 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,198 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,198 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,198 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,199 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,202 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,203 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,203 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,203 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,203 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,203 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#t~nondet9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,205 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,206 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,206 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,207 WARN L317 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,207 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,208 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,209 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,210 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,211 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,212 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,213 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,214 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,215 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,215 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,215 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,215 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,216 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,217 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,232 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,232 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,232 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,232 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,232 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,233 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,233 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 22:52:20,265 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-31 22:52:20,265 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 22:52:20,276 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 22:52:20,296 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 22:52:20,321 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 22:52:20,322 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 22:52:20,322 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 22:52:20,322 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 22:52:20,322 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 22:52:20,323 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 22:52:20,323 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 22:52:20,323 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 22:52:20,323 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 22:52:20,338 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 142places, 180 transitions [2018-12-31 22:52:23,181 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34806 states. [2018-12-31 22:52:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 34806 states. [2018-12-31 22:52:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 22:52:23,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:23,192 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] [2018-12-31 22:52:23,195 INFO L423 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:23,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:23,202 INFO L82 PathProgramCache]: Analyzing trace with hash 829463542, now seen corresponding path program 1 times [2018-12-31 22:52:23,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:23,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:23,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:23,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:23,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:23,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:23,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:23,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:23,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:23,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:23,627 INFO L87 Difference]: Start difference. First operand 34806 states. Second operand 4 states. [2018-12-31 22:52:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:25,095 INFO L93 Difference]: Finished difference Result 60790 states and 234493 transitions. [2018-12-31 22:52:25,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 22:52:25,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-31 22:52:25,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:25,433 INFO L225 Difference]: With dead ends: 60790 [2018-12-31 22:52:25,433 INFO L226 Difference]: Without dead ends: 44270 [2018-12-31 22:52:25,435 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 [2018-12-31 22:52:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44270 states. [2018-12-31 22:52:27,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44270 to 27338. [2018-12-31 22:52:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27338 states. [2018-12-31 22:52:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27338 states to 27338 states and 105499 transitions. [2018-12-31 22:52:27,557 INFO L78 Accepts]: Start accepts. Automaton has 27338 states and 105499 transitions. Word has length 33 [2018-12-31 22:52:27,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:27,560 INFO L480 AbstractCegarLoop]: Abstraction has 27338 states and 105499 transitions. [2018-12-31 22:52:27,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 27338 states and 105499 transitions. [2018-12-31 22:52:27,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-31 22:52:27,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:27,578 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] [2018-12-31 22:52:27,578 INFO L423 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:27,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:27,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1614500037, now seen corresponding path program 1 times [2018-12-31 22:52:27,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:27,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:27,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:27,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:27,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:27,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:27,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:27,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:27,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:27,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:27,771 INFO L87 Difference]: Start difference. First operand 27338 states and 105499 transitions. Second operand 4 states. [2018-12-31 22:52:28,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:28,135 INFO L93 Difference]: Finished difference Result 8528 states and 28344 transitions. [2018-12-31 22:52:28,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 22:52:28,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-12-31 22:52:28,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:28,171 INFO L225 Difference]: With dead ends: 8528 [2018-12-31 22:52:28,171 INFO L226 Difference]: Without dead ends: 7466 [2018-12-31 22:52:28,173 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 [2018-12-31 22:52:28,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7466 states. [2018-12-31 22:52:28,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7466 to 7466. [2018-12-31 22:52:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7466 states. [2018-12-31 22:52:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 24636 transitions. [2018-12-31 22:52:28,393 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 24636 transitions. Word has length 45 [2018-12-31 22:52:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:28,393 INFO L480 AbstractCegarLoop]: Abstraction has 7466 states and 24636 transitions. [2018-12-31 22:52:28,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 24636 transitions. [2018-12-31 22:52:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-31 22:52:28,395 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:28,395 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 22:52:28,397 INFO L423 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:28,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:28,397 INFO L82 PathProgramCache]: Analyzing trace with hash 2087909407, now seen corresponding path program 1 times [2018-12-31 22:52:28,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:28,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:28,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:28,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:28,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:28,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:28,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 22:52:28,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 22:52:28,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 22:52:28,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:28,706 INFO L87 Difference]: Start difference. First operand 7466 states and 24636 transitions. Second operand 5 states. [2018-12-31 22:52:30,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:30,111 INFO L93 Difference]: Finished difference Result 13998 states and 45805 transitions. [2018-12-31 22:52:30,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 22:52:30,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-12-31 22:52:30,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:30,166 INFO L225 Difference]: With dead ends: 13998 [2018-12-31 22:52:30,166 INFO L226 Difference]: Without dead ends: 13930 [2018-12-31 22:52:30,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-31 22:52:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13930 states. [2018-12-31 22:52:30,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13930 to 9441. [2018-12-31 22:52:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2018-12-31 22:52:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 30542 transitions. [2018-12-31 22:52:30,682 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 30542 transitions. Word has length 46 [2018-12-31 22:52:30,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:30,684 INFO L480 AbstractCegarLoop]: Abstraction has 9441 states and 30542 transitions. [2018-12-31 22:52:30,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 22:52:30,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 30542 transitions. [2018-12-31 22:52:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-31 22:52:30,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:30,688 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] [2018-12-31 22:52:30,688 INFO L423 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:30,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:30,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1703396709, now seen corresponding path program 1 times [2018-12-31 22:52:30,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:30,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:30,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:30,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:30,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:30,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:30,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 22:52:30,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 22:52:30,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 22:52:30,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 22:52:30,811 INFO L87 Difference]: Start difference. First operand 9441 states and 30542 transitions. Second operand 3 states. [2018-12-31 22:52:30,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:30,983 INFO L93 Difference]: Finished difference Result 13279 states and 42641 transitions. [2018-12-31 22:52:30,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 22:52:30,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-31 22:52:30,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:31,017 INFO L225 Difference]: With dead ends: 13279 [2018-12-31 22:52:31,017 INFO L226 Difference]: Without dead ends: 13279 [2018-12-31 22:52:31,018 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 [2018-12-31 22:52:31,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13279 states. [2018-12-31 22:52:31,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13279 to 9845. [2018-12-31 22:52:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9845 states. [2018-12-31 22:52:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9845 states to 9845 states and 31508 transitions. [2018-12-31 22:52:31,287 INFO L78 Accepts]: Start accepts. Automaton has 9845 states and 31508 transitions. Word has length 48 [2018-12-31 22:52:31,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:31,287 INFO L480 AbstractCegarLoop]: Abstraction has 9845 states and 31508 transitions. [2018-12-31 22:52:31,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 22:52:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9845 states and 31508 transitions. [2018-12-31 22:52:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-31 22:52:31,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:31,290 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 22:52:31,291 INFO L423 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:31,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:31,291 INFO L82 PathProgramCache]: Analyzing trace with hash -778746896, now seen corresponding path program 1 times [2018-12-31 22:52:31,291 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:31,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:31,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:31,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:31,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:31,617 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 22:52:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:31,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:31,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 22:52:31,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 22:52:31,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 22:52:31,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:31,761 INFO L87 Difference]: Start difference. First operand 9845 states and 31508 transitions. Second operand 7 states. [2018-12-31 22:52:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:32,875 INFO L93 Difference]: Finished difference Result 12285 states and 38673 transitions. [2018-12-31 22:52:32,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-31 22:52:32,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-31 22:52:32,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:32,911 INFO L225 Difference]: With dead ends: 12285 [2018-12-31 22:52:32,911 INFO L226 Difference]: Without dead ends: 12213 [2018-12-31 22:52:32,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-12-31 22:52:32,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12213 states. [2018-12-31 22:52:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12213 to 10849. [2018-12-31 22:52:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10849 states. [2018-12-31 22:52:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 34563 transitions. [2018-12-31 22:52:33,170 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 34563 transitions. Word has length 52 [2018-12-31 22:52:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:33,171 INFO L480 AbstractCegarLoop]: Abstraction has 10849 states and 34563 transitions. [2018-12-31 22:52:33,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 22:52:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 34563 transitions. [2018-12-31 22:52:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-31 22:52:33,183 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:33,183 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] [2018-12-31 22:52:33,184 INFO L423 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:33,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:33,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1619956916, now seen corresponding path program 1 times [2018-12-31 22:52:33,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:33,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:33,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:33,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:33,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:33,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:33,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:33,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:33,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:33,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:33,417 INFO L87 Difference]: Start difference. First operand 10849 states and 34563 transitions. Second operand 4 states. [2018-12-31 22:52:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:33,937 INFO L93 Difference]: Finished difference Result 12396 states and 39572 transitions. [2018-12-31 22:52:33,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 22:52:33,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-31 22:52:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:33,966 INFO L225 Difference]: With dead ends: 12396 [2018-12-31 22:52:33,966 INFO L226 Difference]: Without dead ends: 12396 [2018-12-31 22:52:33,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:34,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12396 states. [2018-12-31 22:52:34,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12396 to 11369. [2018-12-31 22:52:34,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11369 states. [2018-12-31 22:52:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11369 states to 11369 states and 36236 transitions. [2018-12-31 22:52:34,258 INFO L78 Accepts]: Start accepts. Automaton has 11369 states and 36236 transitions. Word has length 60 [2018-12-31 22:52:34,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:34,259 INFO L480 AbstractCegarLoop]: Abstraction has 11369 states and 36236 transitions. [2018-12-31 22:52:34,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 11369 states and 36236 transitions. [2018-12-31 22:52:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-31 22:52:34,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:34,267 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] [2018-12-31 22:52:34,267 INFO L423 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:34,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:34,267 INFO L82 PathProgramCache]: Analyzing trace with hash 122853419, now seen corresponding path program 1 times [2018-12-31 22:52:34,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:34,268 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:34,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:34,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:34,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:34,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:34,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 22:52:34,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 22:52:34,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 22:52:34,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 22:52:34,604 INFO L87 Difference]: Start difference. First operand 11369 states and 36236 transitions. Second operand 6 states. [2018-12-31 22:52:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:35,469 INFO L93 Difference]: Finished difference Result 20969 states and 66486 transitions. [2018-12-31 22:52:35,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 22:52:35,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-31 22:52:35,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:35,513 INFO L225 Difference]: With dead ends: 20969 [2018-12-31 22:52:35,513 INFO L226 Difference]: Without dead ends: 20898 [2018-12-31 22:52:35,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-12-31 22:52:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2018-12-31 22:52:36,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 13755. [2018-12-31 22:52:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13755 states. [2018-12-31 22:52:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13755 states to 13755 states and 43280 transitions. [2018-12-31 22:52:36,091 INFO L78 Accepts]: Start accepts. Automaton has 13755 states and 43280 transitions. Word has length 60 [2018-12-31 22:52:36,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:36,092 INFO L480 AbstractCegarLoop]: Abstraction has 13755 states and 43280 transitions. [2018-12-31 22:52:36,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 22:52:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 13755 states and 43280 transitions. [2018-12-31 22:52:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-31 22:52:36,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:36,103 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] [2018-12-31 22:52:36,103 INFO L423 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:36,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:36,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1900874254, now seen corresponding path program 1 times [2018-12-31 22:52:36,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:36,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:36,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:36,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:36,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:36,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:36,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:36,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:36,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:36,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:36,290 INFO L87 Difference]: Start difference. First operand 13755 states and 43280 transitions. Second operand 4 states. [2018-12-31 22:52:36,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:36,916 INFO L93 Difference]: Finished difference Result 23352 states and 74493 transitions. [2018-12-31 22:52:36,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 22:52:36,917 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-31 22:52:36,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:36,959 INFO L225 Difference]: With dead ends: 23352 [2018-12-31 22:52:36,959 INFO L226 Difference]: Without dead ends: 23352 [2018-12-31 22:52:36,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:37,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23352 states. [2018-12-31 22:52:37,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23352 to 14523. [2018-12-31 22:52:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14523 states. [2018-12-31 22:52:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14523 states to 14523 states and 45664 transitions. [2018-12-31 22:52:37,253 INFO L78 Accepts]: Start accepts. Automaton has 14523 states and 45664 transitions. Word has length 64 [2018-12-31 22:52:37,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:37,254 INFO L480 AbstractCegarLoop]: Abstraction has 14523 states and 45664 transitions. [2018-12-31 22:52:37,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 14523 states and 45664 transitions. [2018-12-31 22:52:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-31 22:52:37,265 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:37,265 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] [2018-12-31 22:52:37,265 INFO L423 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:37,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:37,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2100690035, now seen corresponding path program 1 times [2018-12-31 22:52:37,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:37,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:37,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:37,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:37,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:37,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:37,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:37,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:37,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:37,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:37,521 INFO L87 Difference]: Start difference. First operand 14523 states and 45664 transitions. Second operand 4 states. [2018-12-31 22:52:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:38,082 INFO L93 Difference]: Finished difference Result 18411 states and 56991 transitions. [2018-12-31 22:52:38,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 22:52:38,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-12-31 22:52:38,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:38,116 INFO L225 Difference]: With dead ends: 18411 [2018-12-31 22:52:38,116 INFO L226 Difference]: Without dead ends: 18411 [2018-12-31 22:52:38,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:38,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18411 states. [2018-12-31 22:52:38,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18411 to 16569. [2018-12-31 22:52:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16569 states. [2018-12-31 22:52:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16569 states to 16569 states and 51537 transitions. [2018-12-31 22:52:38,383 INFO L78 Accepts]: Start accepts. Automaton has 16569 states and 51537 transitions. Word has length 64 [2018-12-31 22:52:38,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:38,384 INFO L480 AbstractCegarLoop]: Abstraction has 16569 states and 51537 transitions. [2018-12-31 22:52:38,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 16569 states and 51537 transitions. [2018-12-31 22:52:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-31 22:52:38,395 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:38,396 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] [2018-12-31 22:52:38,396 INFO L423 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:38,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:38,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1059723442, now seen corresponding path program 1 times [2018-12-31 22:52:38,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:38,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:38,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:38,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:38,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:38,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:38,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 22:52:38,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 22:52:38,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 22:52:38,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 22:52:38,525 INFO L87 Difference]: Start difference. First operand 16569 states and 51537 transitions. Second operand 3 states. [2018-12-31 22:52:38,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:38,809 INFO L93 Difference]: Finished difference Result 17193 states and 53232 transitions. [2018-12-31 22:52:38,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 22:52:38,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-31 22:52:38,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:38,841 INFO L225 Difference]: With dead ends: 17193 [2018-12-31 22:52:38,841 INFO L226 Difference]: Without dead ends: 17193 [2018-12-31 22:52:38,842 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 [2018-12-31 22:52:39,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17193 states. [2018-12-31 22:52:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17193 to 16901. [2018-12-31 22:52:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16901 states. [2018-12-31 22:52:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16901 states to 16901 states and 52431 transitions. [2018-12-31 22:52:39,357 INFO L78 Accepts]: Start accepts. Automaton has 16901 states and 52431 transitions. Word has length 64 [2018-12-31 22:52:39,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:39,357 INFO L480 AbstractCegarLoop]: Abstraction has 16901 states and 52431 transitions. [2018-12-31 22:52:39,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 22:52:39,358 INFO L276 IsEmpty]: Start isEmpty. Operand 16901 states and 52431 transitions. [2018-12-31 22:52:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:39,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:39,371 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] [2018-12-31 22:52:39,371 INFO L423 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:39,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:39,372 INFO L82 PathProgramCache]: Analyzing trace with hash 380916983, now seen corresponding path program 1 times [2018-12-31 22:52:39,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:39,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:39,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:39,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:39,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:39,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:39,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 22:52:39,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 22:52:39,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 22:52:39,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-31 22:52:39,720 INFO L87 Difference]: Start difference. First operand 16901 states and 52431 transitions. Second operand 6 states. [2018-12-31 22:52:41,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:41,236 INFO L93 Difference]: Finished difference Result 20789 states and 63395 transitions. [2018-12-31 22:52:41,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 22:52:41,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-31 22:52:41,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:41,274 INFO L225 Difference]: With dead ends: 20789 [2018-12-31 22:52:41,275 INFO L226 Difference]: Without dead ends: 20789 [2018-12-31 22:52:41,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:41,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20789 states. [2018-12-31 22:52:41,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20789 to 19521. [2018-12-31 22:52:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19521 states. [2018-12-31 22:52:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19521 states to 19521 states and 60007 transitions. [2018-12-31 22:52:41,559 INFO L78 Accepts]: Start accepts. Automaton has 19521 states and 60007 transitions. Word has length 66 [2018-12-31 22:52:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:41,559 INFO L480 AbstractCegarLoop]: Abstraction has 19521 states and 60007 transitions. [2018-12-31 22:52:41,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 22:52:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 19521 states and 60007 transitions. [2018-12-31 22:52:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:41,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:41,571 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] [2018-12-31 22:52:41,571 INFO L423 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:41,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1342531000, now seen corresponding path program 1 times [2018-12-31 22:52:41,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:41,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:41,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:41,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:41,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:41,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:41,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 22:52:41,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 22:52:41,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 22:52:41,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-31 22:52:41,866 INFO L87 Difference]: Start difference. First operand 19521 states and 60007 transitions. Second operand 6 states. [2018-12-31 22:52:43,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:43,296 INFO L93 Difference]: Finished difference Result 22441 states and 66578 transitions. [2018-12-31 22:52:43,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 22:52:43,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-31 22:52:43,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:43,335 INFO L225 Difference]: With dead ends: 22441 [2018-12-31 22:52:43,336 INFO L226 Difference]: Without dead ends: 22441 [2018-12-31 22:52:43,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-31 22:52:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22441 states. [2018-12-31 22:52:43,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22441 to 20085. [2018-12-31 22:52:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20085 states. [2018-12-31 22:52:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20085 states to 20085 states and 60622 transitions. [2018-12-31 22:52:43,689 INFO L78 Accepts]: Start accepts. Automaton has 20085 states and 60622 transitions. Word has length 66 [2018-12-31 22:52:43,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:43,689 INFO L480 AbstractCegarLoop]: Abstraction has 20085 states and 60622 transitions. [2018-12-31 22:52:43,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 22:52:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 20085 states and 60622 transitions. [2018-12-31 22:52:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:43,704 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:43,705 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] [2018-12-31 22:52:43,705 INFO L423 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:43,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:43,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1707671815, now seen corresponding path program 1 times [2018-12-31 22:52:43,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:43,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:43,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:43,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:43,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:43,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:43,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 22:52:43,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 22:52:43,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 22:52:43,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:43,893 INFO L87 Difference]: Start difference. First operand 20085 states and 60622 transitions. Second operand 5 states. [2018-12-31 22:52:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:44,398 INFO L93 Difference]: Finished difference Result 26432 states and 79262 transitions. [2018-12-31 22:52:44,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 22:52:44,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-31 22:52:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:44,445 INFO L225 Difference]: With dead ends: 26432 [2018-12-31 22:52:44,445 INFO L226 Difference]: Without dead ends: 26432 [2018-12-31 22:52:44,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26432 states. [2018-12-31 22:52:44,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26432 to 23813. [2018-12-31 22:52:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23813 states. [2018-12-31 22:52:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23813 states to 23813 states and 71372 transitions. [2018-12-31 22:52:44,875 INFO L78 Accepts]: Start accepts. Automaton has 23813 states and 71372 transitions. Word has length 66 [2018-12-31 22:52:44,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:44,875 INFO L480 AbstractCegarLoop]: Abstraction has 23813 states and 71372 transitions. [2018-12-31 22:52:44,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 22:52:44,876 INFO L276 IsEmpty]: Start isEmpty. Operand 23813 states and 71372 transitions. [2018-12-31 22:52:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:44,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:44,890 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 22:52:44,890 INFO L423 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:44,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:44,891 INFO L82 PathProgramCache]: Analyzing trace with hash 2076761304, now seen corresponding path program 1 times [2018-12-31 22:52:44,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:44,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:44,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:44,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:44,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:45,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:45,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 22:52:45,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 22:52:45,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 22:52:45,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:45,280 INFO L87 Difference]: Start difference. First operand 23813 states and 71372 transitions. Second operand 5 states. [2018-12-31 22:52:46,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:46,133 INFO L93 Difference]: Finished difference Result 33063 states and 98211 transitions. [2018-12-31 22:52:46,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 22:52:46,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-31 22:52:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:46,184 INFO L225 Difference]: With dead ends: 33063 [2018-12-31 22:52:46,184 INFO L226 Difference]: Without dead ends: 33063 [2018-12-31 22:52:46,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-31 22:52:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33063 states. [2018-12-31 22:52:46,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33063 to 29343. [2018-12-31 22:52:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29343 states. [2018-12-31 22:52:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29343 states to 29343 states and 87599 transitions. [2018-12-31 22:52:46,614 INFO L78 Accepts]: Start accepts. Automaton has 29343 states and 87599 transitions. Word has length 66 [2018-12-31 22:52:46,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:46,615 INFO L480 AbstractCegarLoop]: Abstraction has 29343 states and 87599 transitions. [2018-12-31 22:52:46,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 22:52:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29343 states and 87599 transitions. [2018-12-31 22:52:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:46,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:46,628 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] [2018-12-31 22:52:46,628 INFO L423 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:46,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:46,629 INFO L82 PathProgramCache]: Analyzing trace with hash 269306841, now seen corresponding path program 1 times [2018-12-31 22:52:46,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:46,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:46,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:46,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:46,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:46,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:46,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:46,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:46,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:46,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:46,862 INFO L87 Difference]: Start difference. First operand 29343 states and 87599 transitions. Second operand 4 states. [2018-12-31 22:52:47,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:47,789 INFO L93 Difference]: Finished difference Result 38903 states and 116585 transitions. [2018-12-31 22:52:47,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 22:52:47,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-12-31 22:52:47,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:47,864 INFO L225 Difference]: With dead ends: 38903 [2018-12-31 22:52:47,864 INFO L226 Difference]: Without dead ends: 38671 [2018-12-31 22:52:47,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:47,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38671 states. [2018-12-31 22:52:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38671 to 35807. [2018-12-31 22:52:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35807 states. [2018-12-31 22:52:48,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35807 states to 35807 states and 107399 transitions. [2018-12-31 22:52:48,436 INFO L78 Accepts]: Start accepts. Automaton has 35807 states and 107399 transitions. Word has length 66 [2018-12-31 22:52:48,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:48,437 INFO L480 AbstractCegarLoop]: Abstraction has 35807 states and 107399 transitions. [2018-12-31 22:52:48,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 35807 states and 107399 transitions. [2018-12-31 22:52:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:48,452 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:48,452 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] [2018-12-31 22:52:48,452 INFO L423 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:48,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:48,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1527644518, now seen corresponding path program 1 times [2018-12-31 22:52:48,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:48,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:48,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:48,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:48,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:48,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:48,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 22:52:48,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 22:52:48,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 22:52:48,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:48,658 INFO L87 Difference]: Start difference. First operand 35807 states and 107399 transitions. Second operand 7 states. [2018-12-31 22:52:49,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:49,324 INFO L93 Difference]: Finished difference Result 31667 states and 90728 transitions. [2018-12-31 22:52:49,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 22:52:49,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-31 22:52:49,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:49,379 INFO L225 Difference]: With dead ends: 31667 [2018-12-31 22:52:49,379 INFO L226 Difference]: Without dead ends: 31667 [2018-12-31 22:52:49,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-12-31 22:52:49,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31667 states. [2018-12-31 22:52:50,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31667 to 25460. [2018-12-31 22:52:50,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25460 states. [2018-12-31 22:52:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25460 states to 25460 states and 73006 transitions. [2018-12-31 22:52:50,064 INFO L78 Accepts]: Start accepts. Automaton has 25460 states and 73006 transitions. Word has length 66 [2018-12-31 22:52:50,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:50,064 INFO L480 AbstractCegarLoop]: Abstraction has 25460 states and 73006 transitions. [2018-12-31 22:52:50,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 22:52:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 25460 states and 73006 transitions. [2018-12-31 22:52:50,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:50,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:50,076 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] [2018-12-31 22:52:50,076 INFO L423 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:50,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:50,076 INFO L82 PathProgramCache]: Analyzing trace with hash -640140837, now seen corresponding path program 1 times [2018-12-31 22:52:50,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:50,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:50,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:50,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:50,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:50,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:50,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 22:52:50,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 22:52:50,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 22:52:50,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:50,256 INFO L87 Difference]: Start difference. First operand 25460 states and 73006 transitions. Second operand 5 states. [2018-12-31 22:52:50,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:50,316 INFO L93 Difference]: Finished difference Result 7460 states and 17978 transitions. [2018-12-31 22:52:50,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 22:52:50,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-31 22:52:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:50,325 INFO L225 Difference]: With dead ends: 7460 [2018-12-31 22:52:50,326 INFO L226 Difference]: Without dead ends: 6135 [2018-12-31 22:52:50,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:50,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6135 states. [2018-12-31 22:52:50,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6135 to 5529. [2018-12-31 22:52:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5529 states. [2018-12-31 22:52:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5529 states to 5529 states and 12867 transitions. [2018-12-31 22:52:50,388 INFO L78 Accepts]: Start accepts. Automaton has 5529 states and 12867 transitions. Word has length 66 [2018-12-31 22:52:50,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:50,388 INFO L480 AbstractCegarLoop]: Abstraction has 5529 states and 12867 transitions. [2018-12-31 22:52:50,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 22:52:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5529 states and 12867 transitions. [2018-12-31 22:52:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-31 22:52:50,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:50,394 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] [2018-12-31 22:52:50,394 INFO L423 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:50,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1563910716, now seen corresponding path program 1 times [2018-12-31 22:52:50,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:50,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:50,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:50,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:50,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:50,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:50,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 22:52:50,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 22:52:50,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 22:52:50,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 22:52:50,483 INFO L87 Difference]: Start difference. First operand 5529 states and 12867 transitions. Second operand 3 states. [2018-12-31 22:52:50,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:50,628 INFO L93 Difference]: Finished difference Result 7165 states and 16473 transitions. [2018-12-31 22:52:50,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 22:52:50,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-12-31 22:52:50,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:50,639 INFO L225 Difference]: With dead ends: 7165 [2018-12-31 22:52:50,639 INFO L226 Difference]: Without dead ends: 7165 [2018-12-31 22:52:50,639 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 [2018-12-31 22:52:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2018-12-31 22:52:50,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 5468. [2018-12-31 22:52:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5468 states. [2018-12-31 22:52:50,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5468 states to 5468 states and 12407 transitions. [2018-12-31 22:52:50,719 INFO L78 Accepts]: Start accepts. Automaton has 5468 states and 12407 transitions. Word has length 66 [2018-12-31 22:52:50,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:50,719 INFO L480 AbstractCegarLoop]: Abstraction has 5468 states and 12407 transitions. [2018-12-31 22:52:50,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 22:52:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand 5468 states and 12407 transitions. [2018-12-31 22:52:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-31 22:52:50,725 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:50,725 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] [2018-12-31 22:52:50,725 INFO L423 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:50,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:50,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1344844335, now seen corresponding path program 1 times [2018-12-31 22:52:50,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:50,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:50,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:50,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:50,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:50,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:50,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 22:52:50,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 22:52:50,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 22:52:50,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:50,864 INFO L87 Difference]: Start difference. First operand 5468 states and 12407 transitions. Second operand 5 states. [2018-12-31 22:52:51,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:51,060 INFO L93 Difference]: Finished difference Result 6622 states and 15012 transitions. [2018-12-31 22:52:51,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 22:52:51,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-12-31 22:52:51,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:51,072 INFO L225 Difference]: With dead ends: 6622 [2018-12-31 22:52:51,072 INFO L226 Difference]: Without dead ends: 6622 [2018-12-31 22:52:51,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 22:52:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2018-12-31 22:52:51,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 5912. [2018-12-31 22:52:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2018-12-31 22:52:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 13411 transitions. [2018-12-31 22:52:51,150 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 13411 transitions. Word has length 72 [2018-12-31 22:52:51,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:51,150 INFO L480 AbstractCegarLoop]: Abstraction has 5912 states and 13411 transitions. [2018-12-31 22:52:51,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 22:52:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 13411 transitions. [2018-12-31 22:52:51,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-31 22:52:51,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:51,157 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] [2018-12-31 22:52:51,157 INFO L423 AbstractCegarLoop]: === Iteration 20 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:51,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:51,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1207312626, now seen corresponding path program 1 times [2018-12-31 22:52:51,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:51,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:51,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:51,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:51,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:51,404 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 22:52:51,786 WARN L181 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 6 [2018-12-31 22:52:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:51,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:51,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-31 22:52:51,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 22:52:51,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 22:52:51,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-31 22:52:51,937 INFO L87 Difference]: Start difference. First operand 5912 states and 13411 transitions. Second operand 9 states. [2018-12-31 22:52:52,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:52,738 INFO L93 Difference]: Finished difference Result 7374 states and 16560 transitions. [2018-12-31 22:52:52,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-31 22:52:52,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2018-12-31 22:52:52,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:52,750 INFO L225 Difference]: With dead ends: 7374 [2018-12-31 22:52:52,750 INFO L226 Difference]: Without dead ends: 7272 [2018-12-31 22:52:52,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-12-31 22:52:52,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2018-12-31 22:52:52,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 6009. [2018-12-31 22:52:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6009 states. [2018-12-31 22:52:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6009 states to 6009 states and 13504 transitions. [2018-12-31 22:52:52,821 INFO L78 Accepts]: Start accepts. Automaton has 6009 states and 13504 transitions. Word has length 72 [2018-12-31 22:52:52,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:52,821 INFO L480 AbstractCegarLoop]: Abstraction has 6009 states and 13504 transitions. [2018-12-31 22:52:52,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 22:52:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6009 states and 13504 transitions. [2018-12-31 22:52:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-31 22:52:52,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:52,828 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] [2018-12-31 22:52:52,829 INFO L423 AbstractCegarLoop]: === Iteration 21 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:52,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:52,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1727591485, now seen corresponding path program 1 times [2018-12-31 22:52:52,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:52,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:52,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:52,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:52,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:53,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:53,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 22:52:53,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 22:52:53,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 22:52:53,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:53,544 INFO L87 Difference]: Start difference. First operand 6009 states and 13504 transitions. Second operand 7 states. [2018-12-31 22:52:55,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:55,499 INFO L93 Difference]: Finished difference Result 7489 states and 16833 transitions. [2018-12-31 22:52:55,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 22:52:55,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-31 22:52:55,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:55,510 INFO L225 Difference]: With dead ends: 7489 [2018-12-31 22:52:55,510 INFO L226 Difference]: Without dead ends: 7489 [2018-12-31 22:52:55,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:55,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2018-12-31 22:52:55,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 6149. [2018-12-31 22:52:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6149 states. [2018-12-31 22:52:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 13892 transitions. [2018-12-31 22:52:55,583 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 13892 transitions. Word has length 93 [2018-12-31 22:52:55,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:55,584 INFO L480 AbstractCegarLoop]: Abstraction has 6149 states and 13892 transitions. [2018-12-31 22:52:55,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 22:52:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 13892 transitions. [2018-12-31 22:52:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-31 22:52:55,590 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:55,591 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] [2018-12-31 22:52:55,592 INFO L423 AbstractCegarLoop]: === Iteration 22 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:55,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1288795480, now seen corresponding path program 1 times [2018-12-31 22:52:55,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:55,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:55,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:55,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:55,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:55,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:55,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 22:52:55,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 22:52:55,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 22:52:55,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:55,890 INFO L87 Difference]: Start difference. First operand 6149 states and 13892 transitions. Second operand 5 states. [2018-12-31 22:52:56,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:56,226 INFO L93 Difference]: Finished difference Result 7107 states and 15967 transitions. [2018-12-31 22:52:56,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 22:52:56,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-12-31 22:52:56,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:56,236 INFO L225 Difference]: With dead ends: 7107 [2018-12-31 22:52:56,236 INFO L226 Difference]: Without dead ends: 7107 [2018-12-31 22:52:56,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-31 22:52:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2018-12-31 22:52:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 6336. [2018-12-31 22:52:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6336 states. [2018-12-31 22:52:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 14276 transitions. [2018-12-31 22:52:56,315 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 14276 transitions. Word has length 93 [2018-12-31 22:52:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:56,316 INFO L480 AbstractCegarLoop]: Abstraction has 6336 states and 14276 transitions. [2018-12-31 22:52:56,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 22:52:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 14276 transitions. [2018-12-31 22:52:56,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-31 22:52:56,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:56,325 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] [2018-12-31 22:52:56,325 INFO L423 AbstractCegarLoop]: === Iteration 23 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:56,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:56,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1912562245, now seen corresponding path program 1 times [2018-12-31 22:52:56,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:56,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:56,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:56,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:56,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:56,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:56,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:56,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:56,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:56,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:56,483 INFO L87 Difference]: Start difference. First operand 6336 states and 14276 transitions. Second operand 4 states. [2018-12-31 22:52:56,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:56,598 INFO L93 Difference]: Finished difference Result 7454 states and 16666 transitions. [2018-12-31 22:52:56,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 22:52:56,599 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-31 22:52:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:56,608 INFO L225 Difference]: With dead ends: 7454 [2018-12-31 22:52:56,608 INFO L226 Difference]: Without dead ends: 7454 [2018-12-31 22:52:56,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:56,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7454 states. [2018-12-31 22:52:56,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7454 to 6583. [2018-12-31 22:52:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6583 states. [2018-12-31 22:52:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 14804 transitions. [2018-12-31 22:52:56,691 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 14804 transitions. Word has length 93 [2018-12-31 22:52:56,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:56,691 INFO L480 AbstractCegarLoop]: Abstraction has 6583 states and 14804 transitions. [2018-12-31 22:52:56,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 14804 transitions. [2018-12-31 22:52:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:52:56,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:56,701 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] [2018-12-31 22:52:56,701 INFO L423 AbstractCegarLoop]: === Iteration 24 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:56,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:56,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1767727250, now seen corresponding path program 1 times [2018-12-31 22:52:56,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:56,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:56,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:56,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:56,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:56,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:56,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 22:52:56,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 22:52:56,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 22:52:56,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:56,924 INFO L87 Difference]: Start difference. First operand 6583 states and 14804 transitions. Second operand 5 states. [2018-12-31 22:52:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:57,100 INFO L93 Difference]: Finished difference Result 7097 states and 15905 transitions. [2018-12-31 22:52:57,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 22:52:57,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-12-31 22:52:57,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:57,109 INFO L225 Difference]: With dead ends: 7097 [2018-12-31 22:52:57,109 INFO L226 Difference]: Without dead ends: 7097 [2018-12-31 22:52:57,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:52:57,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7097 states. [2018-12-31 22:52:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7097 to 5487. [2018-12-31 22:52:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5487 states. [2018-12-31 22:52:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 5487 states and 12342 transitions. [2018-12-31 22:52:57,179 INFO L78 Accepts]: Start accepts. Automaton has 5487 states and 12342 transitions. Word has length 95 [2018-12-31 22:52:57,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:57,179 INFO L480 AbstractCegarLoop]: Abstraction has 5487 states and 12342 transitions. [2018-12-31 22:52:57,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 22:52:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5487 states and 12342 transitions. [2018-12-31 22:52:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:52:57,188 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:57,188 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] [2018-12-31 22:52:57,188 INFO L423 AbstractCegarLoop]: === Iteration 25 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:57,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:57,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1756411123, now seen corresponding path program 1 times [2018-12-31 22:52:57,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:57,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:57,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:57,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:57,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:57,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:57,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 22:52:57,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 22:52:57,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 22:52:57,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 22:52:57,353 INFO L87 Difference]: Start difference. First operand 5487 states and 12342 transitions. Second operand 4 states. [2018-12-31 22:52:57,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:57,615 INFO L93 Difference]: Finished difference Result 7045 states and 15730 transitions. [2018-12-31 22:52:57,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 22:52:57,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-12-31 22:52:57,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:57,626 INFO L225 Difference]: With dead ends: 7045 [2018-12-31 22:52:57,626 INFO L226 Difference]: Without dead ends: 6978 [2018-12-31 22:52:57,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 22:52:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6978 states. [2018-12-31 22:52:57,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6978 to 6544. [2018-12-31 22:52:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6544 states. [2018-12-31 22:52:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 14673 transitions. [2018-12-31 22:52:57,698 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 14673 transitions. Word has length 95 [2018-12-31 22:52:57,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:57,698 INFO L480 AbstractCegarLoop]: Abstraction has 6544 states and 14673 transitions. [2018-12-31 22:52:57,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 22:52:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 14673 transitions. [2018-12-31 22:52:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:52:57,705 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:57,706 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] [2018-12-31 22:52:57,707 INFO L423 AbstractCegarLoop]: === Iteration 26 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:57,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:57,707 INFO L82 PathProgramCache]: Analyzing trace with hash 461346830, now seen corresponding path program 1 times [2018-12-31 22:52:57,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:57,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:57,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:57,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:57,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:58,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:58,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-31 22:52:58,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 22:52:58,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 22:52:58,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-31 22:52:58,159 INFO L87 Difference]: Start difference. First operand 6544 states and 14673 transitions. Second operand 9 states. [2018-12-31 22:52:59,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:52:59,088 INFO L93 Difference]: Finished difference Result 8236 states and 18263 transitions. [2018-12-31 22:52:59,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-31 22:52:59,090 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-31 22:52:59,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:52:59,100 INFO L225 Difference]: With dead ends: 8236 [2018-12-31 22:52:59,100 INFO L226 Difference]: Without dead ends: 8236 [2018-12-31 22:52:59,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2018-12-31 22:52:59,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8236 states. [2018-12-31 22:52:59,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8236 to 7064. [2018-12-31 22:52:59,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7064 states. [2018-12-31 22:52:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7064 states to 7064 states and 15743 transitions. [2018-12-31 22:52:59,202 INFO L78 Accepts]: Start accepts. Automaton has 7064 states and 15743 transitions. Word has length 95 [2018-12-31 22:52:59,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:52:59,202 INFO L480 AbstractCegarLoop]: Abstraction has 7064 states and 15743 transitions. [2018-12-31 22:52:59,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 22:52:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 7064 states and 15743 transitions. [2018-12-31 22:52:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:52:59,211 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:52:59,212 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] [2018-12-31 22:52:59,212 INFO L423 AbstractCegarLoop]: === Iteration 27 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:52:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:52:59,212 INFO L82 PathProgramCache]: Analyzing trace with hash 672697743, now seen corresponding path program 1 times [2018-12-31 22:52:59,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:52:59,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:52:59,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:59,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:52:59,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:52:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:52:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:52:59,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:52:59,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-31 22:52:59,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 22:52:59,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 22:52:59,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-31 22:52:59,457 INFO L87 Difference]: Start difference. First operand 7064 states and 15743 transitions. Second operand 9 states. [2018-12-31 22:53:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:53:00,048 INFO L93 Difference]: Finished difference Result 8201 states and 18214 transitions. [2018-12-31 22:53:00,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-31 22:53:00,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-31 22:53:00,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:53:00,059 INFO L225 Difference]: With dead ends: 8201 [2018-12-31 22:53:00,060 INFO L226 Difference]: Without dead ends: 8114 [2018-12-31 22:53:00,060 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-12-31 22:53:00,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2018-12-31 22:53:00,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 6988. [2018-12-31 22:53:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6988 states. [2018-12-31 22:53:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6988 states to 6988 states and 15579 transitions. [2018-12-31 22:53:00,170 INFO L78 Accepts]: Start accepts. Automaton has 6988 states and 15579 transitions. Word has length 95 [2018-12-31 22:53:00,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:53:00,171 INFO L480 AbstractCegarLoop]: Abstraction has 6988 states and 15579 transitions. [2018-12-31 22:53:00,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 22:53:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6988 states and 15579 transitions. [2018-12-31 22:53:00,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:53:00,180 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:53:00,181 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] [2018-12-31 22:53:00,181 INFO L423 AbstractCegarLoop]: === Iteration 28 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:53:00,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:53:00,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1560201424, now seen corresponding path program 1 times [2018-12-31 22:53:00,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:53:00,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:53:00,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:00,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:53:00,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:53:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:53:00,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:53:00,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-31 22:53:00,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-31 22:53:00,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-31 22:53:00,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-31 22:53:00,388 INFO L87 Difference]: Start difference. First operand 6988 states and 15579 transitions. Second operand 11 states. [2018-12-31 22:53:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:53:02,306 INFO L93 Difference]: Finished difference Result 13014 states and 29142 transitions. [2018-12-31 22:53:02,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-31 22:53:02,307 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2018-12-31 22:53:02,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:53:02,320 INFO L225 Difference]: With dead ends: 13014 [2018-12-31 22:53:02,320 INFO L226 Difference]: Without dead ends: 9019 [2018-12-31 22:53:02,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-12-31 22:53:02,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9019 states. [2018-12-31 22:53:02,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9019 to 6813. [2018-12-31 22:53:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6813 states. [2018-12-31 22:53:02,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6813 states to 6813 states and 15151 transitions. [2018-12-31 22:53:02,409 INFO L78 Accepts]: Start accepts. Automaton has 6813 states and 15151 transitions. Word has length 95 [2018-12-31 22:53:02,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:53:02,409 INFO L480 AbstractCegarLoop]: Abstraction has 6813 states and 15151 transitions. [2018-12-31 22:53:02,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-31 22:53:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6813 states and 15151 transitions. [2018-12-31 22:53:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:53:02,419 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:53:02,419 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] [2018-12-31 22:53:02,419 INFO L423 AbstractCegarLoop]: === Iteration 29 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:53:02,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:53:02,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1172529568, now seen corresponding path program 1 times [2018-12-31 22:53:02,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:53:02,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:53:02,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:02,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:53:02,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:53:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:53:03,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:53:03,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 22:53:03,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 22:53:03,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 22:53:03,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:53:03,008 INFO L87 Difference]: Start difference. First operand 6813 states and 15151 transitions. Second operand 7 states. [2018-12-31 22:53:03,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:53:03,613 INFO L93 Difference]: Finished difference Result 8440 states and 18539 transitions. [2018-12-31 22:53:03,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-31 22:53:03,615 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-31 22:53:03,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:53:03,626 INFO L225 Difference]: With dead ends: 8440 [2018-12-31 22:53:03,626 INFO L226 Difference]: Without dead ends: 8402 [2018-12-31 22:53:03,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-12-31 22:53:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8402 states. [2018-12-31 22:53:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8402 to 7205. [2018-12-31 22:53:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7205 states. [2018-12-31 22:53:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7205 states to 7205 states and 15910 transitions. [2018-12-31 22:53:03,715 INFO L78 Accepts]: Start accepts. Automaton has 7205 states and 15910 transitions. Word has length 95 [2018-12-31 22:53:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:53:03,716 INFO L480 AbstractCegarLoop]: Abstraction has 7205 states and 15910 transitions. [2018-12-31 22:53:03,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 22:53:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 7205 states and 15910 transitions. [2018-12-31 22:53:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:53:03,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:53:03,724 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] [2018-12-31 22:53:03,725 INFO L423 AbstractCegarLoop]: === Iteration 30 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:53:03,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:53:03,725 INFO L82 PathProgramCache]: Analyzing trace with hash -354392864, now seen corresponding path program 2 times [2018-12-31 22:53:03,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:53:03,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:53:03,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:03,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:53:03,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:53:04,125 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2018-12-31 22:53:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:53:04,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:53:04,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-31 22:53:04,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 22:53:04,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 22:53:04,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-31 22:53:04,227 INFO L87 Difference]: Start difference. First operand 7205 states and 15910 transitions. Second operand 9 states. [2018-12-31 22:53:04,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:53:04,951 INFO L93 Difference]: Finished difference Result 8405 states and 18498 transitions. [2018-12-31 22:53:04,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 22:53:04,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-12-31 22:53:04,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:53:04,963 INFO L225 Difference]: With dead ends: 8405 [2018-12-31 22:53:04,963 INFO L226 Difference]: Without dead ends: 8398 [2018-12-31 22:53:04,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-12-31 22:53:04,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8398 states. [2018-12-31 22:53:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8398 to 7381. [2018-12-31 22:53:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7381 states. [2018-12-31 22:53:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7381 states to 7381 states and 16326 transitions. [2018-12-31 22:53:05,054 INFO L78 Accepts]: Start accepts. Automaton has 7381 states and 16326 transitions. Word has length 95 [2018-12-31 22:53:05,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:53:05,055 INFO L480 AbstractCegarLoop]: Abstraction has 7381 states and 16326 transitions. [2018-12-31 22:53:05,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 22:53:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7381 states and 16326 transitions. [2018-12-31 22:53:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:53:05,063 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:53:05,064 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] [2018-12-31 22:53:05,064 INFO L423 AbstractCegarLoop]: === Iteration 31 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:53:05,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:53:05,064 INFO L82 PathProgramCache]: Analyzing trace with hash -143041951, now seen corresponding path program 1 times [2018-12-31 22:53:05,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:53:05,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:53:05,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:05,066 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-31 22:53:05,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:53:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:53:05,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:53:05,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 22:53:05,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 22:53:05,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 22:53:05,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-31 22:53:05,199 INFO L87 Difference]: Start difference. First operand 7381 states and 16326 transitions. Second operand 7 states. [2018-12-31 22:53:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:53:05,683 INFO L93 Difference]: Finished difference Result 9123 states and 20063 transitions. [2018-12-31 22:53:05,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 22:53:05,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2018-12-31 22:53:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:53:05,696 INFO L225 Difference]: With dead ends: 9123 [2018-12-31 22:53:05,696 INFO L226 Difference]: Without dead ends: 9123 [2018-12-31 22:53:05,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-31 22:53:05,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9123 states. [2018-12-31 22:53:05,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9123 to 7471. [2018-12-31 22:53:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7471 states. [2018-12-31 22:53:05,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 16546 transitions. [2018-12-31 22:53:05,780 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 16546 transitions. Word has length 95 [2018-12-31 22:53:05,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:53:05,780 INFO L480 AbstractCegarLoop]: Abstraction has 7471 states and 16546 transitions. [2018-12-31 22:53:05,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 22:53:05,780 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 16546 transitions. [2018-12-31 22:53:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:53:05,788 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:53:05,788 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] [2018-12-31 22:53:05,789 INFO L423 AbstractCegarLoop]: === Iteration 32 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:53:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:53:05,789 INFO L82 PathProgramCache]: Analyzing trace with hash -842763807, now seen corresponding path program 1 times [2018-12-31 22:53:05,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:53:05,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:53:05,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:05,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:53:05,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 22:53:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 22:53:06,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 22:53:06,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-31 22:53:06,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 22:53:06,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 22:53:06,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-31 22:53:06,523 INFO L87 Difference]: Start difference. First operand 7471 states and 16546 transitions. Second operand 8 states. [2018-12-31 22:53:07,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 22:53:07,318 INFO L93 Difference]: Finished difference Result 9523 states and 20956 transitions. [2018-12-31 22:53:07,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-31 22:53:07,320 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2018-12-31 22:53:07,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 22:53:07,333 INFO L225 Difference]: With dead ends: 9523 [2018-12-31 22:53:07,333 INFO L226 Difference]: Without dead ends: 9523 [2018-12-31 22:53:07,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-12-31 22:53:07,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9523 states. [2018-12-31 22:53:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9523 to 7646. [2018-12-31 22:53:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7646 states. [2018-12-31 22:53:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7646 states to 7646 states and 16951 transitions. [2018-12-31 22:53:07,433 INFO L78 Accepts]: Start accepts. Automaton has 7646 states and 16951 transitions. Word has length 95 [2018-12-31 22:53:07,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 22:53:07,433 INFO L480 AbstractCegarLoop]: Abstraction has 7646 states and 16951 transitions. [2018-12-31 22:53:07,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 22:53:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 7646 states and 16951 transitions. [2018-12-31 22:53:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-31 22:53:07,443 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 22:53:07,443 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] [2018-12-31 22:53:07,443 INFO L423 AbstractCegarLoop]: === Iteration 33 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 22:53:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 22:53:07,443 INFO L82 PathProgramCache]: Analyzing trace with hash -631412894, now seen corresponding path program 2 times [2018-12-31 22:53:07,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 22:53:07,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 22:53:07,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:07,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 22:53:07,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 22:53:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 22:53:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 22:53:07,524 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 22:53:07,735 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-31 22:53:07,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 10:53:07 BasicIcfg [2018-12-31 22:53:07,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 22:53:07,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 22:53:07,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 22:53:07,739 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 22:53:07,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 10:52:20" (3/4) ... [2018-12-31 22:53:07,746 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 22:53:07,933 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 22:53:07,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 22:53:07,937 INFO L168 Benchmark]: Toolchain (without parser) took 50226.47 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 948.7 MB in the beginning and 1.5 GB in the end (delta: -502.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-31 22:53:07,939 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 22:53:07,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-31 22:53:07,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-31 22:53:07,943 INFO L168 Benchmark]: Boogie Preprocessor took 85.60 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. [2018-12-31 22:53:07,943 INFO L168 Benchmark]: RCFGBuilder took 1306.23 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-31 22:53:07,943 INFO L168 Benchmark]: TraceAbstraction took 47603.23 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -457.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-31 22:53:07,947 INFO L168 Benchmark]: Witness Printer took 194.17 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 MB. Max. memory is 11.5 GB. [2018-12-31 22:53:07,953 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 933.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.60 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 1306.23 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47603.23 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -457.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 194.17 ms. Allocated memory is still 2.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 68.9 MB). Peak memory consumption was 68.9 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_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L675] -1 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L676] -1 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L677] -1 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L679] -1 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L680] -1 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L681] -1 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L682] -1 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L683] -1 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L684] -1 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L685] -1 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L686] -1 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L687] -1 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L688] -1 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L689] -1 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L690] -1 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L691] -1 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L692] -1 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L693] -1 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L695] -1 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L696] -1 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L697] -1 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L773] -1 pthread_t t1711; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L774] FCALL, FORK -1 pthread_create(&t1711, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L701] 0 x$w_buff1 = x$w_buff0 [L702] 0 x$w_buff0 = 1 [L703] 0 x$w_buff1_used = x$w_buff0_used [L704] 0 x$w_buff0_used = (_Bool)1 [L4] COND FALSE 0 !(!expression) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L706] 0 x$r_buff1_thd0 = x$r_buff0_thd0 [L707] 0 x$r_buff1_thd1 = x$r_buff0_thd1 [L708] 0 x$r_buff1_thd2 = x$r_buff0_thd2 [L709] 0 x$r_buff0_thd1 = (_Bool)1 [L712] 0 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L715] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L775] -1 pthread_t t1712; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L776] FCALL, FORK -1 pthread_create(&t1712, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L729] 1 y = 2 [L732] 1 __unbuffered_p1_EAX = y [L735] 1 weak$$choice0 = __VERIFIER_nondet_pointer() [L736] 1 weak$$choice2 = __VERIFIER_nondet_pointer() [L737] 1 x$flush_delayed = weak$$choice2 [L738] 1 x$mem_tmp = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L739] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) VAL [!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L739] 1 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L740] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L740] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L741] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L741] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L742] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used))=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L742] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L743] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L743] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L744] EXPR 1 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L744] 1 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L745] EXPR 1 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L745] 1 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=1, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] EXPR 1 x$flush_delayed ? x$mem_tmp : x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=1, x$flush_delayed ? x$mem_tmp : x=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L715] 0 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] 1 x = x$flush_delayed ? x$mem_tmp : x [L748] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L716] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L716] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L717] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L717] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L718] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L718] 0 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L719] EXPR 0 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L719] 0 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L722] 0 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L751] EXPR 1 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x=0, y=2] [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)=0, x$w_buff1=0, x$w_buff1_used=0, x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x=0, y=2] [L751] 1 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L752] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L753] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L754] 1 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L755] 1 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L778] -1 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] EXPR -1 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L782] -1 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L783] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L783] -1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L784] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L784] -1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L785] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L785] -1 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L786] EXPR -1 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L786] -1 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L789] -1 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] COND TRUE -1 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] -1 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 222 locations, 3 error locations. UNSAFE Result, 47.4s OverallTime, 33 OverallIterations, 1 TraceHistogramMax, 24.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8919 SDtfs, 10535 SDslu, 20700 SDs, 0 SdLazy, 9959 SolverSat, 455 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 78 SyntacticMatches, 37 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35807occurred in iteration=15, 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: 9.3s AutomataMinimizationTime, 32 MinimizatonAttempts, 83935 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 2437 NumberOfCodeBlocks, 2437 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2310 ConstructedInterpolants, 0 QuantifiedInterpolants, 511701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 32 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...