/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 14:58:26,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 14:58:26,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 14:58:26,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 14:58:26,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 14:58:26,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 14:58:26,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 14:58:26,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 14:58:26,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 14:58:26,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 14:58:26,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 14:58:26,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 14:58:26,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 14:58:26,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 14:58:26,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 14:58:26,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 14:58:26,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 14:58:26,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 14:58:26,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 14:58:26,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 14:58:26,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 14:58:26,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 14:58:26,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 14:58:26,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 14:58:26,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 14:58:26,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 14:58:26,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 14:58:26,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 14:58:26,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 14:58:26,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 14:58:26,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 14:58:26,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 14:58:26,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 14:58:26,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 14:58:26,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 14:58:26,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 14:58:26,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 14:58:26,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 14:58:26,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 14:58:26,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 14:58:26,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 14:58:26,520 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 14:58:26,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 14:58:26,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 14:58:26,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 14:58:26,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 14:58:26,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 14:58:26,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 14:58:26,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 14:58:26,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 14:58:26,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 14:58:26,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 14:58:26,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 14:58:26,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 14:58:26,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 14:58:26,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 14:58:26,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 14:58:26,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 14:58:26,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:58:26,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 14:58:26,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 14:58:26,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 14:58:26,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 14:58:26,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 14:58:26,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 14:58:26,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 14:58:26,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 14:58:26,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 14:58:26,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 14:58:26,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 14:58:26,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 14:58:26,826 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 14:58:26,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2019-12-27 14:58:26,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21696da72/82717bc511e84ea6b632fe817b5bf528/FLAGf3e4f2af2 [2019-12-27 14:58:27,480 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 14:58:27,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_1w1r-2.i [2019-12-27 14:58:27,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21696da72/82717bc511e84ea6b632fe817b5bf528/FLAGf3e4f2af2 [2019-12-27 14:58:27,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21696da72/82717bc511e84ea6b632fe817b5bf528 [2019-12-27 14:58:27,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 14:58:27,741 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 14:58:27,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 14:58:27,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 14:58:27,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 14:58:27,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:58:27" (1/1) ... [2019-12-27 14:58:27,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85f7a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:27, skipping insertion in model container [2019-12-27 14:58:27,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:58:27" (1/1) ... [2019-12-27 14:58:27,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 14:58:27,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 14:58:28,014 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-27 14:58:28,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:58:28,394 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 14:58:28,418 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-27 14:58:28,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:58:28,647 INFO L208 MainTranslator]: Completed translation [2019-12-27 14:58:28,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28 WrapperNode [2019-12-27 14:58:28,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 14:58:28,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 14:58:28,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 14:58:28,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 14:58:28,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 14:58:28,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 14:58:28,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 14:58:28,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 14:58:28,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (1/1) ... [2019-12-27 14:58:28,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 14:58:28,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 14:58:28,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 14:58:28,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 14:58:28,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (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 [2019-12-27 14:58:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2019-12-27 14:58:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2019-12-27 14:58:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 14:58:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 14:58:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 14:58:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 14:58:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 14:58:28,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 14:58:28,889 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 14:58:29,472 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 14:58:29,472 INFO L287 CfgBuilder]: Removed 19 assume(true) statements. [2019-12-27 14:58:29,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:58:29 BoogieIcfgContainer [2019-12-27 14:58:29,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 14:58:29,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 14:58:29,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 14:58:29,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 14:58:29,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 02:58:27" (1/3) ... [2019-12-27 14:58:29,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1b24e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:58:29, skipping insertion in model container [2019-12-27 14:58:29,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:58:28" (2/3) ... [2019-12-27 14:58:29,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1b24e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:58:29, skipping insertion in model container [2019-12-27 14:58:29,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:58:29" (3/3) ... [2019-12-27 14:58:29,482 INFO L109 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2019-12-27 14:58:29,493 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 14:58:29,493 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 14:58:29,501 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-27 14:58:29,502 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 14:58:29,535 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,536 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,536 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,536 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,536 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,537 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,537 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,537 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,537 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,538 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,538 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,538 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,539 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,539 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,539 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,539 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,539 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,540 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,540 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,540 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,540 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,541 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,541 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,541 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,541 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,542 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,542 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,542 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,542 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,542 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,543 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,543 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,543 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,543 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,543 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,544 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,544 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,544 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,544 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,545 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,545 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,545 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,545 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,545 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,546 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,546 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,546 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,546 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,547 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,547 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,547 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,547 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,548 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,548 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,548 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,548 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,549 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,549 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,549 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,549 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,549 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,550 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,550 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,550 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,550 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,551 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,551 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,551 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,551 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,552 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,552 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,552 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,552 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,553 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,553 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,553 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,553 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,553 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,554 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,554 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,554 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,555 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,555 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,555 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,555 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,555 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,556 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,556 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,556 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,556 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,557 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,557 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,557 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,557 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,557 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,558 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,558 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,558 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,558 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,558 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,559 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,559 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,559 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,559 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,560 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,560 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,560 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,560 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,561 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,561 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,561 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,561 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,562 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,562 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,562 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,562 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,563 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,563 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,563 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,563 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,563 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,564 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,564 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,564 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,565 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,565 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,565 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,565 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,570 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,570 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,570 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,571 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,571 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,571 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,571 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,572 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,572 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,572 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,572 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,573 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~r~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,573 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,573 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,573 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,573 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,574 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,574 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,574 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,574 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,575 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~last~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,575 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,575 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,575 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,576 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,576 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,576 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,576 WARN L315 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,576 WARN L315 ript$VariableManager]: TermVariabe reader_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:58:29,598 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 14:58:29,620 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:58:29,620 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:58:29,620 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:58:29,620 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:58:29,621 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:58:29,621 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:58:29,621 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:58:29,621 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:58:29,635 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 122 places, 128 transitions [2019-12-27 14:58:29,725 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2134 states. [2019-12-27 14:58:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states. [2019-12-27 14:58:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 14:58:29,737 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:58:29,738 INFO L411 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] [2019-12-27 14:58:29,739 INFO L410 AbstractCegarLoop]: === Iteration 1 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:58:29,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:58:29,745 INFO L82 PathProgramCache]: Analyzing trace with hash -52512637, now seen corresponding path program 1 times [2019-12-27 14:58:29,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:58:29,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055338706] [2019-12-27 14:58:29,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:58:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:58:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:58:29,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055338706] [2019-12-27 14:58:29,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:58:29,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 14:58:29,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165943373] [2019-12-27 14:58:29,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 14:58:29,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:58:29,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 14:58:29,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 14:58:29,971 INFO L87 Difference]: Start difference. First operand 2134 states. Second operand 2 states. [2019-12-27 14:58:30,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:58:30,039 INFO L93 Difference]: Finished difference Result 2134 states and 4343 transitions. [2019-12-27 14:58:30,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 14:58:30,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2019-12-27 14:58:30,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:58:30,088 INFO L225 Difference]: With dead ends: 2134 [2019-12-27 14:58:30,088 INFO L226 Difference]: Without dead ends: 1994 [2019-12-27 14:58:30,097 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 14:58:30,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2019-12-27 14:58:30,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1994. [2019-12-27 14:58:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-12-27 14:58:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 4067 transitions. [2019-12-27 14:58:30,255 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 4067 transitions. Word has length 22 [2019-12-27 14:58:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:58:30,256 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 4067 transitions. [2019-12-27 14:58:30,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 14:58:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 4067 transitions. [2019-12-27 14:58:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-27 14:58:30,258 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:58:30,259 INFO L411 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] [2019-12-27 14:58:30,259 INFO L410 AbstractCegarLoop]: === Iteration 2 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:58:30,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:58:30,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1627923238, now seen corresponding path program 1 times [2019-12-27 14:58:30,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:58:30,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570514158] [2019-12-27 14:58:30,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:58:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:58:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:58:30,384 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570514158] [2019-12-27 14:58:30,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:58:30,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 14:58:30,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344902806] [2019-12-27 14:58:30,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 14:58:30,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:58:30,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 14:58:30,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 14:58:30,387 INFO L87 Difference]: Start difference. First operand 1994 states and 4067 transitions. Second operand 3 states. [2019-12-27 14:58:30,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:58:30,432 INFO L93 Difference]: Finished difference Result 3248 states and 6646 transitions. [2019-12-27 14:58:30,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 14:58:30,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-27 14:58:30,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:58:30,450 INFO L225 Difference]: With dead ends: 3248 [2019-12-27 14:58:30,450 INFO L226 Difference]: Without dead ends: 3248 [2019-12-27 14:58:30,451 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 [2019-12-27 14:58:30,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2019-12-27 14:58:30,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 2456. [2019-12-27 14:58:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2456 states. [2019-12-27 14:58:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 5038 transitions. [2019-12-27 14:58:30,522 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 5038 transitions. Word has length 23 [2019-12-27 14:58:30,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:58:30,522 INFO L462 AbstractCegarLoop]: Abstraction has 2456 states and 5038 transitions. [2019-12-27 14:58:30,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 14:58:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 5038 transitions. [2019-12-27 14:58:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-27 14:58:30,530 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:58:30,530 INFO L411 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] [2019-12-27 14:58:30,530 INFO L410 AbstractCegarLoop]: === Iteration 3 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:58:30,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:58:30,531 INFO L82 PathProgramCache]: Analyzing trace with hash 193122172, now seen corresponding path program 1 times [2019-12-27 14:58:30,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:58:30,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736203832] [2019-12-27 14:58:30,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:58:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:58:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:58:31,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736203832] [2019-12-27 14:58:31,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:58:31,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-12-27 14:58:31,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075714532] [2019-12-27 14:58:31,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-12-27 14:58:31,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:58:31,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-12-27 14:58:31,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2019-12-27 14:58:31,313 INFO L87 Difference]: Start difference. First operand 2456 states and 5038 transitions. Second operand 18 states. [2019-12-27 14:58:32,246 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-12-27 14:58:32,447 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-12-27 14:58:32,632 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-12-27 14:58:32,820 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-12-27 14:58:33,047 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-12-27 14:58:33,280 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-12-27 14:58:33,449 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-12-27 14:58:33,631 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-12-27 14:58:34,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:58:34,714 INFO L93 Difference]: Finished difference Result 2770 states and 5684 transitions. [2019-12-27 14:58:34,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-12-27 14:58:34,715 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 52 [2019-12-27 14:58:34,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:58:34,729 INFO L225 Difference]: With dead ends: 2770 [2019-12-27 14:58:34,729 INFO L226 Difference]: Without dead ends: 2655 [2019-12-27 14:58:34,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=389, Invalid=1017, Unknown=0, NotChecked=0, Total=1406 [2019-12-27 14:58:34,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2019-12-27 14:58:34,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2467. [2019-12-27 14:58:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2019-12-27 14:58:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 5070 transitions. [2019-12-27 14:58:34,795 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 5070 transitions. Word has length 52 [2019-12-27 14:58:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:58:34,795 INFO L462 AbstractCegarLoop]: Abstraction has 2467 states and 5070 transitions. [2019-12-27 14:58:34,796 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-12-27 14:58:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 5070 transitions. [2019-12-27 14:58:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-27 14:58:34,801 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:58:34,801 INFO L411 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] [2019-12-27 14:58:34,802 INFO L410 AbstractCegarLoop]: === Iteration 4 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:58:34,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:58:34,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1666673501, now seen corresponding path program 1 times [2019-12-27 14:58:34,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:58:34,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707621849] [2019-12-27 14:58:34,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:58:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:58:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:58:36,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707621849] [2019-12-27 14:58:36,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:58:36,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-12-27 14:58:36,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696340397] [2019-12-27 14:58:36,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-12-27 14:58:36,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:58:36,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-12-27 14:58:36,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2019-12-27 14:58:36,005 INFO L87 Difference]: Start difference. First operand 2467 states and 5070 transitions. Second operand 26 states. [2019-12-27 14:58:37,007 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-12-27 14:58:37,148 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-12-27 14:58:37,587 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2019-12-27 14:58:37,745 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2019-12-27 14:58:37,950 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2019-12-27 14:58:38,448 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2019-12-27 14:58:38,789 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2019-12-27 14:58:38,992 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2019-12-27 14:58:39,353 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2019-12-27 14:58:39,534 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:58:39,742 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 60 [2019-12-27 14:58:39,969 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2019-12-27 14:58:40,156 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-12-27 14:58:40,335 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-12-27 14:58:40,510 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2019-12-27 14:58:40,735 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2019-12-27 14:58:40,954 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2019-12-27 14:58:41,176 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-12-27 14:58:41,366 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 14:58:41,666 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2019-12-27 14:58:41,896 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2019-12-27 14:58:42,064 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-12-27 14:58:42,303 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2019-12-27 14:58:42,554 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2019-12-27 14:58:42,725 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2019-12-27 14:58:43,009 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-12-27 14:58:43,253 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 71 [2019-12-27 14:58:43,473 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2019-12-27 14:58:43,687 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2019-12-27 14:58:43,863 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-12-27 14:58:44,062 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2019-12-27 14:58:44,325 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2019-12-27 14:58:44,583 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 71 [2019-12-27 14:58:44,784 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-12-27 14:58:45,058 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2019-12-27 14:58:45,332 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2019-12-27 14:58:45,606 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2019-12-27 14:58:45,868 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2019-12-27 14:58:46,093 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2019-12-27 14:58:46,431 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2019-12-27 14:58:46,717 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2019-12-27 14:58:47,016 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2019-12-27 14:58:47,261 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-12-27 14:58:47,599 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 79 [2019-12-27 14:58:47,906 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2019-12-27 14:58:48,188 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 77 [2019-12-27 14:58:48,421 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 70 [2019-12-27 14:58:48,799 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 79 [2019-12-27 14:58:49,126 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2019-12-27 14:58:49,400 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2019-12-27 14:58:49,656 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2019-12-27 14:58:50,049 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 82 [2019-12-27 14:58:50,436 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2019-12-27 14:58:50,731 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 79 [2019-12-27 14:58:51,117 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 84 [2019-12-27 14:58:51,475 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 83 [2019-12-27 14:58:51,793 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 81 [2019-12-27 14:58:52,178 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2019-12-27 14:58:52,617 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 86 [2019-12-27 14:58:52,918 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2019-12-27 14:58:53,305 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 89 [2019-12-27 14:58:53,754 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 88 [2019-12-27 14:58:54,112 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 85 [2019-12-27 14:58:54,488 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2019-12-27 14:58:55,057 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 91 [2019-12-27 14:58:55,390 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 82 [2019-12-27 14:58:55,844 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 90 [2019-12-27 14:58:56,230 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 87 [2019-12-27 14:58:56,629 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2019-12-27 14:58:57,085 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 87 [2019-12-27 14:58:57,492 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2019-12-27 14:58:57,924 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 92 [2019-12-27 14:58:58,394 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 98 [2019-12-27 14:58:58,925 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 101 [2019-12-27 14:58:59,443 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 100 [2019-12-27 14:58:59,912 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2019-12-27 14:59:00,472 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2019-12-27 14:59:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:59:01,204 INFO L93 Difference]: Finished difference Result 3039 states and 6234 transitions. [2019-12-27 14:59:01,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2019-12-27 14:59:01,205 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 71 [2019-12-27 14:59:01,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:59:01,221 INFO L225 Difference]: With dead ends: 3039 [2019-12-27 14:59:01,222 INFO L226 Difference]: Without dead ends: 3039 [2019-12-27 14:59:01,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2680 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=4260, Invalid=10746, Unknown=0, NotChecked=0, Total=15006 [2019-12-27 14:59:01,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2019-12-27 14:59:01,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 2545. [2019-12-27 14:59:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2545 states. [2019-12-27 14:59:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 5228 transitions. [2019-12-27 14:59:01,290 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 5228 transitions. Word has length 71 [2019-12-27 14:59:01,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:59:01,291 INFO L462 AbstractCegarLoop]: Abstraction has 2545 states and 5228 transitions. [2019-12-27 14:59:01,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-12-27 14:59:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 5228 transitions. [2019-12-27 14:59:01,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 14:59:01,295 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:59:01,295 INFO L411 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] [2019-12-27 14:59:01,296 INFO L410 AbstractCegarLoop]: === Iteration 5 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:59:01,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:59:01,296 INFO L82 PathProgramCache]: Analyzing trace with hash 936506904, now seen corresponding path program 1 times [2019-12-27 14:59:01,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:59:01,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061845668] [2019-12-27 14:59:01,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:59:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:59:02,417 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2019-12-27 14:59:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:59:03,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061845668] [2019-12-27 14:59:03,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:59:03,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2019-12-27 14:59:03,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781724109] [2019-12-27 14:59:03,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-12-27 14:59:03,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:59:03,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-12-27 14:59:03,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=981, Unknown=0, NotChecked=0, Total=1056 [2019-12-27 14:59:03,040 INFO L87 Difference]: Start difference. First operand 2545 states and 5228 transitions. Second operand 33 states. [2019-12-27 14:59:04,103 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-12-27 14:59:04,355 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 14:59:04,630 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 14:59:04,870 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2019-12-27 14:59:05,163 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-12-27 14:59:05,625 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2019-12-27 14:59:05,954 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2019-12-27 14:59:06,264 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2019-12-27 14:59:06,550 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2019-12-27 14:59:06,851 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2019-12-27 14:59:07,169 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 84 [2019-12-27 14:59:07,594 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 80 [2019-12-27 14:59:08,126 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 87 [2019-12-27 14:59:08,613 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 83 [2019-12-27 14:59:10,068 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-12-27 14:59:10,279 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-12-27 14:59:10,493 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-12-27 14:59:10,751 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-12-27 14:59:11,017 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-12-27 14:59:11,159 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 14:59:11,366 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2019-12-27 14:59:11,572 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-12-27 14:59:11,833 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-12-27 14:59:12,154 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-12-27 14:59:12,365 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-12-27 14:59:12,708 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-12-27 14:59:13,062 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-12-27 14:59:13,360 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-12-27 14:59:14,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:59:14,685 INFO L93 Difference]: Finished difference Result 4570 states and 9408 transitions. [2019-12-27 14:59:14,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-12-27 14:59:14,686 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 74 [2019-12-27 14:59:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:59:14,710 INFO L225 Difference]: With dead ends: 4570 [2019-12-27 14:59:14,710 INFO L226 Difference]: Without dead ends: 4570 [2019-12-27 14:59:14,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1322 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1303, Invalid=5837, Unknown=0, NotChecked=0, Total=7140 [2019-12-27 14:59:14,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2019-12-27 14:59:14,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 3624. [2019-12-27 14:59:14,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3624 states. [2019-12-27 14:59:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 3624 states and 7452 transitions. [2019-12-27 14:59:14,805 INFO L78 Accepts]: Start accepts. Automaton has 3624 states and 7452 transitions. Word has length 74 [2019-12-27 14:59:14,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:59:14,806 INFO L462 AbstractCegarLoop]: Abstraction has 3624 states and 7452 transitions. [2019-12-27 14:59:14,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-12-27 14:59:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3624 states and 7452 transitions. [2019-12-27 14:59:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 14:59:14,812 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:59:14,812 INFO L411 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] [2019-12-27 14:59:14,812 INFO L410 AbstractCegarLoop]: === Iteration 6 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:59:14,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:59:14,813 INFO L82 PathProgramCache]: Analyzing trace with hash -143545802, now seen corresponding path program 2 times [2019-12-27 14:59:14,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:59:14,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718789228] [2019-12-27 14:59:14,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:59:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:59:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:59:17,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718789228] [2019-12-27 14:59:17,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:59:17,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 14:59:17,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208361586] [2019-12-27 14:59:17,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 14:59:17,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:59:17,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 14:59:17,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1173, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 14:59:17,093 INFO L87 Difference]: Start difference. First operand 3624 states and 7452 transitions. Second operand 36 states. [2019-12-27 14:59:18,259 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-12-27 14:59:18,541 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 14:59:18,830 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 14:59:19,075 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2019-12-27 14:59:19,361 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-12-27 14:59:19,897 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2019-12-27 14:59:20,267 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2019-12-27 14:59:20,617 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 74 [2019-12-27 14:59:21,074 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 76 [2019-12-27 14:59:21,430 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2019-12-27 14:59:21,737 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2019-12-27 14:59:22,322 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2019-12-27 14:59:22,619 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2019-12-27 14:59:23,191 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 87 [2019-12-27 14:59:23,549 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2019-12-27 14:59:24,357 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-12-27 14:59:24,765 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-27 14:59:25,112 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 14:59:25,260 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 14:59:25,483 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:59:25,645 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 14:59:25,867 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 14:59:26,054 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 14:59:26,367 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-12-27 14:59:26,638 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 14:59:26,825 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-27 14:59:26,974 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 14:59:27,620 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 14:59:27,949 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 14:59:28,220 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 14:59:28,419 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 14:59:28,703 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 14:59:28,900 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 14:59:29,095 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 14:59:30,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:59:30,929 INFO L93 Difference]: Finished difference Result 5548 states and 11422 transitions. [2019-12-27 14:59:30,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-12-27 14:59:30,929 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 14:59:30,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:59:30,955 INFO L225 Difference]: With dead ends: 5548 [2019-12-27 14:59:30,955 INFO L226 Difference]: Without dead ends: 5548 [2019-12-27 14:59:30,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2163 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=1601, Invalid=8299, Unknown=0, NotChecked=0, Total=9900 [2019-12-27 14:59:30,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5548 states. [2019-12-27 14:59:31,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5548 to 3663. [2019-12-27 14:59:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3663 states. [2019-12-27 14:59:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3663 states and 7532 transitions. [2019-12-27 14:59:31,041 INFO L78 Accepts]: Start accepts. Automaton has 3663 states and 7532 transitions. Word has length 74 [2019-12-27 14:59:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:59:31,042 INFO L462 AbstractCegarLoop]: Abstraction has 3663 states and 7532 transitions. [2019-12-27 14:59:31,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 14:59:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 7532 transitions. [2019-12-27 14:59:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 14:59:31,048 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:59:31,048 INFO L411 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] [2019-12-27 14:59:31,049 INFO L410 AbstractCegarLoop]: === Iteration 7 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:59:31,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:59:31,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1562195292, now seen corresponding path program 3 times [2019-12-27 14:59:31,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:59:31,049 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162465844] [2019-12-27 14:59:31,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:59:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:59:32,116 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 14:59:32,273 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 14:59:32,427 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 14:59:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:59:33,294 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162465844] [2019-12-27 14:59:33,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:59:33,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 14:59:33,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501888555] [2019-12-27 14:59:33,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 14:59:33,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:59:33,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 14:59:33,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1171, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 14:59:33,296 INFO L87 Difference]: Start difference. First operand 3663 states and 7532 transitions. Second operand 36 states. [2019-12-27 14:59:34,675 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 14:59:34,957 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 14:59:35,218 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2019-12-27 14:59:35,519 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2019-12-27 14:59:36,121 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2019-12-27 14:59:36,500 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2019-12-27 14:59:36,878 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 75 [2019-12-27 14:59:37,292 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2019-12-27 14:59:37,638 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2019-12-27 14:59:38,006 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2019-12-27 14:59:38,333 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2019-12-27 14:59:39,062 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2019-12-27 14:59:39,372 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2019-12-27 14:59:39,983 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2019-12-27 14:59:40,375 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2019-12-27 14:59:41,575 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-27 14:59:41,812 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 14:59:42,061 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 14:59:42,284 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 14:59:42,603 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-12-27 14:59:42,918 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-27 14:59:43,216 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-12-27 14:59:43,606 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 14:59:43,936 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 14:59:44,389 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 14:59:44,665 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 14:59:44,876 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 14:59:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 14:59:46,835 INFO L93 Difference]: Finished difference Result 5583 states and 11487 transitions. [2019-12-27 14:59:46,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-12-27 14:59:46,836 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 14:59:46,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 14:59:46,849 INFO L225 Difference]: With dead ends: 5583 [2019-12-27 14:59:46,849 INFO L226 Difference]: Without dead ends: 5583 [2019-12-27 14:59:46,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=1493, Invalid=7437, Unknown=0, NotChecked=0, Total=8930 [2019-12-27 14:59:46,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5583 states. [2019-12-27 14:59:46,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5583 to 3683. [2019-12-27 14:59:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3683 states. [2019-12-27 14:59:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3683 states and 7574 transitions. [2019-12-27 14:59:46,963 INFO L78 Accepts]: Start accepts. Automaton has 3683 states and 7574 transitions. Word has length 74 [2019-12-27 14:59:46,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 14:59:46,964 INFO L462 AbstractCegarLoop]: Abstraction has 3683 states and 7574 transitions. [2019-12-27 14:59:46,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 14:59:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 7574 transitions. [2019-12-27 14:59:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 14:59:46,969 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:59:46,970 INFO L411 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] [2019-12-27 14:59:46,970 INFO L410 AbstractCegarLoop]: === Iteration 8 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 14:59:46,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:59:46,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1792961986, now seen corresponding path program 4 times [2019-12-27 14:59:46,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:59:46,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433047413] [2019-12-27 14:59:46,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:59:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 14:59:47,881 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 14:59:48,037 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 14:59:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 14:59:48,959 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433047413] [2019-12-27 14:59:48,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 14:59:48,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 14:59:48,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590000514] [2019-12-27 14:59:48,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 14:59:48,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 14:59:48,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 14:59:48,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1171, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 14:59:48,961 INFO L87 Difference]: Start difference. First operand 3683 states and 7574 transitions. Second operand 36 states. [2019-12-27 14:59:50,045 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-12-27 14:59:50,312 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 14:59:50,626 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 14:59:50,883 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2019-12-27 14:59:51,173 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2019-12-27 14:59:51,677 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2019-12-27 14:59:52,002 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2019-12-27 14:59:52,349 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 73 [2019-12-27 14:59:52,714 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2019-12-27 14:59:52,986 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2019-12-27 14:59:53,356 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2019-12-27 14:59:53,785 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2019-12-27 14:59:54,246 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2019-12-27 14:59:54,998 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2019-12-27 14:59:55,329 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2019-12-27 14:59:55,923 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2019-12-27 14:59:56,353 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2019-12-27 14:59:57,351 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-12-27 14:59:57,700 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-12-27 14:59:57,958 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 14:59:58,228 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-12-27 14:59:58,472 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 14:59:58,823 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-12-27 14:59:59,163 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-12-27 14:59:59,850 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:00:00,178 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:00,637 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:00:00,962 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:01,164 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:00:01,562 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:00:03,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:00:03,244 INFO L93 Difference]: Finished difference Result 5610 states and 11541 transitions. [2019-12-27 15:00:03,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2019-12-27 15:00:03,244 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:00:03,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:00:03,263 INFO L225 Difference]: With dead ends: 5610 [2019-12-27 15:00:03,263 INFO L226 Difference]: Without dead ends: 5610 [2019-12-27 15:00:03,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1919 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=1579, Invalid=7733, Unknown=0, NotChecked=0, Total=9312 [2019-12-27 15:00:03,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5610 states. [2019-12-27 15:00:03,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5610 to 3693. [2019-12-27 15:00:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3693 states. [2019-12-27 15:00:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 3693 states and 7595 transitions. [2019-12-27 15:00:03,349 INFO L78 Accepts]: Start accepts. Automaton has 3693 states and 7595 transitions. Word has length 74 [2019-12-27 15:00:03,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:00:03,350 INFO L462 AbstractCegarLoop]: Abstraction has 3693 states and 7595 transitions. [2019-12-27 15:00:03,350 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:00:03,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 7595 transitions. [2019-12-27 15:00:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:00:03,361 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:00:03,361 INFO L411 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] [2019-12-27 15:00:03,361 INFO L410 AbstractCegarLoop]: === Iteration 9 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:00:03,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:00:03,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1877015502, now seen corresponding path program 5 times [2019-12-27 15:00:03,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:00:03,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829927406] [2019-12-27 15:00:03,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:00:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:00:04,562 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2019-12-27 15:00:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:00:05,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829927406] [2019-12-27 15:00:05,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:00:05,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 15:00:05,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94754603] [2019-12-27 15:00:05,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 15:00:05,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:00:05,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 15:00:05,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1173, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 15:00:05,452 INFO L87 Difference]: Start difference. First operand 3693 states and 7595 transitions. Second operand 36 states. [2019-12-27 15:00:06,538 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-12-27 15:00:06,814 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 15:00:07,099 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 15:00:07,345 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2019-12-27 15:00:07,632 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-12-27 15:00:07,883 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2019-12-27 15:00:08,225 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2019-12-27 15:00:08,512 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2019-12-27 15:00:08,934 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2019-12-27 15:00:09,338 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2019-12-27 15:00:09,679 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2019-12-27 15:00:10,399 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2019-12-27 15:00:10,796 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2019-12-27 15:00:11,129 WARN L192 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2019-12-27 15:00:11,722 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2019-12-27 15:00:12,056 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2019-12-27 15:00:12,642 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2019-12-27 15:00:13,046 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2019-12-27 15:00:13,842 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-12-27 15:00:14,261 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-27 15:00:14,608 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 15:00:14,756 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:14,965 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 15:00:15,120 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:00:15,335 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 15:00:15,526 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 15:00:15,821 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-12-27 15:00:16,083 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 15:00:16,270 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-27 15:00:16,460 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:00:17,266 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-12-27 15:00:17,431 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:17,884 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:00:18,173 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:18,369 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:00:20,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:00:20,339 INFO L93 Difference]: Finished difference Result 5758 states and 11865 transitions. [2019-12-27 15:00:20,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2019-12-27 15:00:20,339 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:00:20,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:00:20,351 INFO L225 Difference]: With dead ends: 5758 [2019-12-27 15:00:20,351 INFO L226 Difference]: Without dead ends: 5758 [2019-12-27 15:00:20,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2302 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=1730, Invalid=8776, Unknown=0, NotChecked=0, Total=10506 [2019-12-27 15:00:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5758 states. [2019-12-27 15:00:20,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5758 to 3837. [2019-12-27 15:00:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2019-12-27 15:00:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 7901 transitions. [2019-12-27 15:00:20,433 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 7901 transitions. Word has length 74 [2019-12-27 15:00:20,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:00:20,433 INFO L462 AbstractCegarLoop]: Abstraction has 3837 states and 7901 transitions. [2019-12-27 15:00:20,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:00:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 7901 transitions. [2019-12-27 15:00:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:00:20,439 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:00:20,439 INFO L411 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] [2019-12-27 15:00:20,440 INFO L410 AbstractCegarLoop]: === Iteration 10 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:00:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:00:20,440 INFO L82 PathProgramCache]: Analyzing trace with hash -235117104, now seen corresponding path program 6 times [2019-12-27 15:00:20,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:00:20,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402938462] [2019-12-27 15:00:20,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:00:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:00:21,645 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2019-12-27 15:00:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:00:22,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402938462] [2019-12-27 15:00:22,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:00:22,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 15:00:22,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124088249] [2019-12-27 15:00:22,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 15:00:22,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:00:22,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 15:00:22,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1173, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 15:00:22,453 INFO L87 Difference]: Start difference. First operand 3837 states and 7901 transitions. Second operand 36 states. [2019-12-27 15:00:23,372 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2019-12-27 15:00:23,538 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-12-27 15:00:23,806 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 15:00:24,086 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 15:00:24,328 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2019-12-27 15:00:24,601 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-12-27 15:00:24,908 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2019-12-27 15:00:25,236 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2019-12-27 15:00:25,518 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2019-12-27 15:00:25,886 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2019-12-27 15:00:26,552 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2019-12-27 15:00:27,027 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2019-12-27 15:00:27,398 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 79 [2019-12-27 15:00:27,731 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2019-12-27 15:00:28,371 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 83 [2019-12-27 15:00:28,706 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2019-12-27 15:00:29,315 WARN L192 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 87 [2019-12-27 15:00:29,735 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2019-12-27 15:00:30,916 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-27 15:00:31,267 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 15:00:31,414 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:31,632 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 15:00:31,787 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:00:32,006 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 15:00:32,195 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 15:00:32,481 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-12-27 15:00:32,749 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 15:00:32,937 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-27 15:00:33,082 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:00:33,352 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-12-27 15:00:34,082 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:34,374 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:00:34,575 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:00:34,886 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:35,081 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:00:35,470 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:00:37,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:00:37,024 INFO L93 Difference]: Finished difference Result 5874 states and 12097 transitions. [2019-12-27 15:00:37,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-12-27 15:00:37,024 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:00:37,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:00:37,038 INFO L225 Difference]: With dead ends: 5874 [2019-12-27 15:00:37,038 INFO L226 Difference]: Without dead ends: 5874 [2019-12-27 15:00:37,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2260 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=1684, Invalid=8618, Unknown=0, NotChecked=0, Total=10302 [2019-12-27 15:00:37,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5874 states. [2019-12-27 15:00:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5874 to 3839. [2019-12-27 15:00:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3839 states. [2019-12-27 15:00:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 7905 transitions. [2019-12-27 15:00:37,115 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 7905 transitions. Word has length 74 [2019-12-27 15:00:37,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:00:37,116 INFO L462 AbstractCegarLoop]: Abstraction has 3839 states and 7905 transitions. [2019-12-27 15:00:37,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:00:37,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 7905 transitions. [2019-12-27 15:00:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:00:37,123 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:00:37,123 INFO L411 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] [2019-12-27 15:00:37,123 INFO L410 AbstractCegarLoop]: === Iteration 11 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:00:37,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:00:37,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1470623990, now seen corresponding path program 7 times [2019-12-27 15:00:37,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:00:37,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075038048] [2019-12-27 15:00:37,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:00:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:00:38,276 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 15:00:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:00:39,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075038048] [2019-12-27 15:00:39,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:00:39,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 15:00:39,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398861621] [2019-12-27 15:00:39,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 15:00:39,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:00:39,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 15:00:39,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1171, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 15:00:39,129 INFO L87 Difference]: Start difference. First operand 3839 states and 7905 transitions. Second operand 36 states. [2019-12-27 15:00:40,495 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 15:00:40,776 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 15:00:41,035 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2019-12-27 15:00:41,331 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2019-12-27 15:00:41,595 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2019-12-27 15:00:41,941 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2019-12-27 15:00:42,234 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2019-12-27 15:00:42,661 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2019-12-27 15:00:43,352 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 75 [2019-12-27 15:00:43,777 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 77 [2019-12-27 15:00:44,147 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 73 [2019-12-27 15:00:44,500 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2019-12-27 15:00:44,855 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2019-12-27 15:00:45,593 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 84 [2019-12-27 15:00:45,941 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 80 [2019-12-27 15:00:46,536 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 88 [2019-12-27 15:00:46,993 WARN L192 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2019-12-27 15:00:47,852 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-12-27 15:00:48,180 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-27 15:00:48,427 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 15:00:48,681 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 15:00:48,899 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 15:00:49,222 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-12-27 15:00:49,536 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-27 15:00:50,206 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:00:50,531 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:50,811 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:00:50,996 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:00:51,273 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:00:51,470 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:00:53,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:00:53,493 INFO L93 Difference]: Finished difference Result 5784 states and 11911 transitions. [2019-12-27 15:00:53,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2019-12-27 15:00:53,493 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:00:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:00:53,499 INFO L225 Difference]: With dead ends: 5784 [2019-12-27 15:00:53,499 INFO L226 Difference]: Without dead ends: 5784 [2019-12-27 15:00:53,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1902 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=1580, Invalid=7732, Unknown=0, NotChecked=0, Total=9312 [2019-12-27 15:00:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5784 states. [2019-12-27 15:00:53,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5784 to 3837. [2019-12-27 15:00:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2019-12-27 15:00:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 7901 transitions. [2019-12-27 15:00:53,564 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 7901 transitions. Word has length 74 [2019-12-27 15:00:53,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:00:53,564 INFO L462 AbstractCegarLoop]: Abstraction has 3837 states and 7901 transitions. [2019-12-27 15:00:53,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:00:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 7901 transitions. [2019-12-27 15:00:53,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:00:53,571 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:00:53,571 INFO L411 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] [2019-12-27 15:00:53,571 INFO L410 AbstractCegarLoop]: === Iteration 12 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:00:53,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:00:53,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1298767762, now seen corresponding path program 8 times [2019-12-27 15:00:53,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:00:53,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101214971] [2019-12-27 15:00:53,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:00:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:00:54,829 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2019-12-27 15:00:55,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:00:55,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101214971] [2019-12-27 15:00:55,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:00:55,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 15:00:55,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002811983] [2019-12-27 15:00:55,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 15:00:55,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:00:55,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 15:00:55,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1173, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 15:00:55,614 INFO L87 Difference]: Start difference. First operand 3837 states and 7901 transitions. Second operand 36 states. [2019-12-27 15:00:56,983 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 15:00:57,260 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 15:00:57,507 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2019-12-27 15:00:57,774 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2019-12-27 15:00:58,028 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 65 [2019-12-27 15:00:58,352 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2019-12-27 15:00:58,941 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2019-12-27 15:00:59,315 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 74 [2019-12-27 15:00:59,772 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2019-12-27 15:01:00,153 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 79 [2019-12-27 15:01:00,496 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2019-12-27 15:01:01,085 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2019-12-27 15:01:01,417 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2019-12-27 15:01:02,010 WARN L192 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2019-12-27 15:01:02,410 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2019-12-27 15:01:03,613 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-27 15:01:03,755 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:01:03,968 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 15:01:04,117 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:04,334 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 15:01:04,491 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:01:04,709 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 15:01:04,897 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 15:01:05,204 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-12-27 15:01:05,474 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 15:01:05,667 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-27 15:01:05,812 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:01:06,440 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:01:06,800 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:07,245 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:01:07,523 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:07,722 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:01:07,918 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:01:09,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:01:09,684 INFO L93 Difference]: Finished difference Result 5868 states and 12085 transitions. [2019-12-27 15:01:09,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2019-12-27 15:01:09,685 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:01:09,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:01:09,691 INFO L225 Difference]: With dead ends: 5868 [2019-12-27 15:01:09,691 INFO L226 Difference]: Without dead ends: 5868 [2019-12-27 15:01:09,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2212 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1641, Invalid=8459, Unknown=0, NotChecked=0, Total=10100 [2019-12-27 15:01:09,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5868 states. [2019-12-27 15:01:09,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5868 to 3840. [2019-12-27 15:01:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3840 states. [2019-12-27 15:01:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 7907 transitions. [2019-12-27 15:01:09,777 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 7907 transitions. Word has length 74 [2019-12-27 15:01:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:01:09,777 INFO L462 AbstractCegarLoop]: Abstraction has 3840 states and 7907 transitions. [2019-12-27 15:01:09,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:01:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 7907 transitions. [2019-12-27 15:01:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:01:09,786 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:01:09,786 INFO L411 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] [2019-12-27 15:01:09,787 INFO L410 AbstractCegarLoop]: === Iteration 13 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:01:09,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:01:09,787 INFO L82 PathProgramCache]: Analyzing trace with hash 406973332, now seen corresponding path program 9 times [2019-12-27 15:01:09,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:01:09,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027093862] [2019-12-27 15:01:09,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:01:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:01:10,920 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 15:01:11,081 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-12-27 15:01:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:01:11,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027093862] [2019-12-27 15:01:11,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:01:11,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 15:01:11,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368055729] [2019-12-27 15:01:11,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 15:01:11,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:01:11,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 15:01:11,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1171, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 15:01:11,925 INFO L87 Difference]: Start difference. First operand 3840 states and 7907 transitions. Second operand 36 states. [2019-12-27 15:01:13,073 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-12-27 15:01:13,347 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 15:01:13,638 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 15:01:13,902 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2019-12-27 15:01:14,205 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2019-12-27 15:01:14,471 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2019-12-27 15:01:14,820 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2019-12-27 15:01:15,477 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2019-12-27 15:01:15,870 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 75 [2019-12-27 15:01:16,288 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 77 [2019-12-27 15:01:16,663 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2019-12-27 15:01:17,053 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 80 [2019-12-27 15:01:17,461 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2019-12-27 15:01:18,228 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 84 [2019-12-27 15:01:18,569 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 80 [2019-12-27 15:01:19,197 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 88 [2019-12-27 15:01:19,639 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 84 [2019-12-27 15:01:20,589 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-12-27 15:01:20,936 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-12-27 15:01:21,188 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-12-27 15:01:21,448 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2019-12-27 15:01:21,678 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-12-27 15:01:22,010 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-12-27 15:01:22,363 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-27 15:01:23,070 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:01:23,412 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:23,692 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:01:23,889 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:01:24,193 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:24,392 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:01:24,790 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:01:26,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:01:26,613 INFO L93 Difference]: Finished difference Result 5892 states and 12127 transitions. [2019-12-27 15:01:26,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-12-27 15:01:26,614 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:01:26,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:01:26,620 INFO L225 Difference]: With dead ends: 5892 [2019-12-27 15:01:26,621 INFO L226 Difference]: Without dead ends: 5892 [2019-12-27 15:01:26,622 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1860 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=1535, Invalid=7585, Unknown=0, NotChecked=0, Total=9120 [2019-12-27 15:01:26,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2019-12-27 15:01:26,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 3838. [2019-12-27 15:01:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3838 states. [2019-12-27 15:01:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 7903 transitions. [2019-12-27 15:01:26,694 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 7903 transitions. Word has length 74 [2019-12-27 15:01:26,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:01:26,694 INFO L462 AbstractCegarLoop]: Abstraction has 3838 states and 7903 transitions. [2019-12-27 15:01:26,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:01:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 7903 transitions. [2019-12-27 15:01:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:01:26,700 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:01:26,700 INFO L411 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] [2019-12-27 15:01:26,700 INFO L410 AbstractCegarLoop]: === Iteration 14 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:01:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:01:26,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1346783350, now seen corresponding path program 10 times [2019-12-27 15:01:26,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:01:26,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366839961] [2019-12-27 15:01:26,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:01:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:01:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:01:28,754 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366839961] [2019-12-27 15:01:28,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:01:28,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 15:01:28,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196368546] [2019-12-27 15:01:28,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 15:01:28,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:01:28,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 15:01:28,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1171, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 15:01:28,755 INFO L87 Difference]: Start difference. First operand 3838 states and 7903 transitions. Second operand 36 states. [2019-12-27 15:01:29,891 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2019-12-27 15:01:30,169 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2019-12-27 15:01:30,461 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2019-12-27 15:01:30,725 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2019-12-27 15:01:31,022 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2019-12-27 15:01:31,285 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2019-12-27 15:01:31,631 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2019-12-27 15:01:32,297 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 71 [2019-12-27 15:01:32,698 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 73 [2019-12-27 15:01:33,082 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 77 [2019-12-27 15:01:33,354 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2019-12-27 15:01:33,708 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 73 [2019-12-27 15:01:34,115 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2019-12-27 15:01:34,590 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2019-12-27 15:01:35,373 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 84 [2019-12-27 15:01:35,717 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 80 [2019-12-27 15:01:36,353 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2019-12-27 15:01:36,788 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 84 [2019-12-27 15:01:37,133 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-12-27 15:01:37,937 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2019-12-27 15:01:38,291 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-12-27 15:01:38,556 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-12-27 15:01:38,837 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-12-27 15:01:39,093 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-12-27 15:01:39,448 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-12-27 15:01:39,804 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-12-27 15:01:40,872 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:41,150 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-12-27 15:01:41,345 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:01:41,643 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:41,842 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:01:42,247 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:01:44,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:01:44,046 INFO L93 Difference]: Finished difference Result 5812 states and 11967 transitions. [2019-12-27 15:01:44,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-12-27 15:01:44,046 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:01:44,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:01:44,051 INFO L225 Difference]: With dead ends: 5812 [2019-12-27 15:01:44,051 INFO L226 Difference]: Without dead ends: 5812 [2019-12-27 15:01:44,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1963 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=1623, Invalid=7883, Unknown=0, NotChecked=0, Total=9506 [2019-12-27 15:01:44,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2019-12-27 15:01:44,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 3837. [2019-12-27 15:01:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3837 states. [2019-12-27 15:01:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 7901 transitions. [2019-12-27 15:01:44,118 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 7901 transitions. Word has length 74 [2019-12-27 15:01:44,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:01:44,118 INFO L462 AbstractCegarLoop]: Abstraction has 3837 states and 7901 transitions. [2019-12-27 15:01:44,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:01:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 7901 transitions. [2019-12-27 15:01:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:01:44,125 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:01:44,125 INFO L411 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] [2019-12-27 15:01:44,125 INFO L410 AbstractCegarLoop]: === Iteration 15 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:01:44,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:01:44,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1739583388, now seen corresponding path program 11 times [2019-12-27 15:01:44,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:01:44,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236476987] [2019-12-27 15:01:44,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:01:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:01:45,231 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2019-12-27 15:01:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:01:45,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236476987] [2019-12-27 15:01:45,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:01:45,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2019-12-27 15:01:45,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379115613] [2019-12-27 15:01:45,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-12-27 15:01:45,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:01:45,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-12-27 15:01:45,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1108, Unknown=0, NotChecked=0, Total=1190 [2019-12-27 15:01:45,939 INFO L87 Difference]: Start difference. First operand 3837 states and 7901 transitions. Second operand 35 states. [2019-12-27 15:01:47,335 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2019-12-27 15:01:47,640 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2019-12-27 15:01:47,920 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-12-27 15:01:48,237 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2019-12-27 15:01:48,709 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2019-12-27 15:01:49,048 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2019-12-27 15:01:49,376 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2019-12-27 15:01:50,010 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2019-12-27 15:01:50,420 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 79 [2019-12-27 15:01:51,125 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 82 [2019-12-27 15:01:51,529 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 85 [2019-12-27 15:01:51,888 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 79 [2019-12-27 15:01:52,437 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2019-12-27 15:01:52,830 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2019-12-27 15:01:53,632 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-12-27 15:01:54,046 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-12-27 15:01:54,214 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 15:01:54,431 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 15:01:54,615 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-12-27 15:01:54,833 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 15:01:55,004 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-12-27 15:01:55,245 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-12-27 15:01:55,452 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-12-27 15:01:55,752 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-12-27 15:01:56,039 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-12-27 15:01:56,237 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-12-27 15:01:56,394 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-12-27 15:01:57,029 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:57,363 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:01:57,630 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:01:57,834 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 15:01:58,120 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:01:58,328 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:01:58,528 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:01:58,743 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:02:00,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:02:00,386 INFO L93 Difference]: Finished difference Result 6073 states and 12539 transitions. [2019-12-27 15:02:00,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2019-12-27 15:02:00,387 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 74 [2019-12-27 15:02:00,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:02:00,393 INFO L225 Difference]: With dead ends: 6073 [2019-12-27 15:02:00,393 INFO L226 Difference]: Without dead ends: 6073 [2019-12-27 15:02:00,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2030 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=1562, Invalid=7944, Unknown=0, NotChecked=0, Total=9506 [2019-12-27 15:02:00,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6073 states. [2019-12-27 15:02:00,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6073 to 3975. [2019-12-27 15:02:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3975 states. [2019-12-27 15:02:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3975 states and 8192 transitions. [2019-12-27 15:02:00,453 INFO L78 Accepts]: Start accepts. Automaton has 3975 states and 8192 transitions. Word has length 74 [2019-12-27 15:02:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:02:00,453 INFO L462 AbstractCegarLoop]: Abstraction has 3975 states and 8192 transitions. [2019-12-27 15:02:00,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-12-27 15:02:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 8192 transitions. [2019-12-27 15:02:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:02:00,459 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:02:00,459 INFO L411 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] [2019-12-27 15:02:00,459 INFO L410 AbstractCegarLoop]: === Iteration 16 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:02:00,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:02:00,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1643388360, now seen corresponding path program 12 times [2019-12-27 15:02:00,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:02:00,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399793006] [2019-12-27 15:02:00,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:02:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:02:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:02:02,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399793006] [2019-12-27 15:02:02,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:02:02,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2019-12-27 15:02:02,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854655112] [2019-12-27 15:02:02,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-12-27 15:02:02,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:02:02,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-12-27 15:02:02,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1106, Unknown=0, NotChecked=0, Total=1190 [2019-12-27 15:02:02,210 INFO L87 Difference]: Start difference. First operand 3975 states and 8192 transitions. Second operand 35 states. [2019-12-27 15:02:03,266 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2019-12-27 15:02:03,532 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2019-12-27 15:02:03,802 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2019-12-27 15:02:04,074 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-12-27 15:02:04,368 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2019-12-27 15:02:04,796 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2019-12-27 15:02:05,127 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2019-12-27 15:02:05,439 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 75 [2019-12-27 15:02:06,144 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2019-12-27 15:02:06,540 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 81 [2019-12-27 15:02:06,852 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2019-12-27 15:02:07,392 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2019-12-27 15:02:07,718 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2019-12-27 15:02:08,260 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 89 [2019-12-27 15:02:08,652 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2019-12-27 15:02:09,575 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-12-27 15:02:10,025 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-12-27 15:02:10,199 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:02:10,411 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 15:02:10,596 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 15:02:10,805 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 15:02:10,986 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-12-27 15:02:11,217 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-12-27 15:02:11,480 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 15:02:11,784 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-12-27 15:02:11,963 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:02:12,172 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-12-27 15:02:13,102 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:02:13,293 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:02:13,594 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:02:13,823 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:02:14,141 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 15:02:14,363 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-12-27 15:02:14,605 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:02:16,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:02:16,650 INFO L93 Difference]: Finished difference Result 7967 states and 16448 transitions. [2019-12-27 15:02:16,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-12-27 15:02:16,651 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 74 [2019-12-27 15:02:16,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:02:16,658 INFO L225 Difference]: With dead ends: 7967 [2019-12-27 15:02:16,658 INFO L226 Difference]: Without dead ends: 7967 [2019-12-27 15:02:16,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2112 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=1604, Invalid=8098, Unknown=0, NotChecked=0, Total=9702 [2019-12-27 15:02:16,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7967 states. [2019-12-27 15:02:16,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7967 to 3855. [2019-12-27 15:02:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3855 states. [2019-12-27 15:02:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7937 transitions. [2019-12-27 15:02:16,733 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7937 transitions. Word has length 74 [2019-12-27 15:02:16,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:02:16,734 INFO L462 AbstractCegarLoop]: Abstraction has 3855 states and 7937 transitions. [2019-12-27 15:02:16,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-12-27 15:02:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7937 transitions. [2019-12-27 15:02:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:02:16,739 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:02:16,740 INFO L411 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] [2019-12-27 15:02:16,740 INFO L410 AbstractCegarLoop]: === Iteration 17 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:02:16,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:02:16,740 INFO L82 PathProgramCache]: Analyzing trace with hash -450359806, now seen corresponding path program 13 times [2019-12-27 15:02:16,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:02:16,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821169150] [2019-12-27 15:02:16,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:02:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:02:17,934 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2019-12-27 15:02:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:02:18,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821169150] [2019-12-27 15:02:18,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:02:18,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-12-27 15:02:18,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863179889] [2019-12-27 15:02:18,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-12-27 15:02:18,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:02:18,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-12-27 15:02:18,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1172, Unknown=0, NotChecked=0, Total=1260 [2019-12-27 15:02:18,761 INFO L87 Difference]: Start difference. First operand 3855 states and 7937 transitions. Second operand 36 states. [2019-12-27 15:02:20,146 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 55 [2019-12-27 15:02:20,443 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2019-12-27 15:02:20,725 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-12-27 15:02:21,038 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2019-12-27 15:02:21,416 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2019-12-27 15:02:21,790 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2019-12-27 15:02:22,132 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2019-12-27 15:02:22,468 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2019-12-27 15:02:23,149 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 75 [2019-12-27 15:02:23,589 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2019-12-27 15:02:24,297 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2019-12-27 15:02:24,668 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2019-12-27 15:02:25,014 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 79 [2019-12-27 15:02:25,551 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 87 [2019-12-27 15:02:25,937 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 83 [2019-12-27 15:02:27,154 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-12-27 15:02:27,328 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-12-27 15:02:27,543 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2019-12-27 15:02:27,751 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-12-27 15:02:27,975 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-12-27 15:02:28,147 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-12-27 15:02:28,368 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-12-27 15:02:28,574 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-12-27 15:02:28,870 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-12-27 15:02:29,150 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-12-27 15:02:29,341 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-12-27 15:02:29,499 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-12-27 15:02:30,165 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:02:30,500 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:02:30,783 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-12-27 15:02:30,980 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-12-27 15:02:31,268 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-12-27 15:02:31,475 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 15:02:33,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 15:02:33,646 INFO L93 Difference]: Finished difference Result 6127 states and 12653 transitions. [2019-12-27 15:02:33,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-12-27 15:02:33,647 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 74 [2019-12-27 15:02:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 15:02:33,652 INFO L225 Difference]: With dead ends: 6127 [2019-12-27 15:02:33,652 INFO L226 Difference]: Without dead ends: 6127 [2019-12-27 15:02:33,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2164 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1607, Invalid=8293, Unknown=0, NotChecked=0, Total=9900 [2019-12-27 15:02:33,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6127 states. [2019-12-27 15:02:33,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6127 to 3903. [2019-12-27 15:02:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3903 states. [2019-12-27 15:02:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 3903 states and 8039 transitions. [2019-12-27 15:02:33,718 INFO L78 Accepts]: Start accepts. Automaton has 3903 states and 8039 transitions. Word has length 74 [2019-12-27 15:02:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 15:02:33,718 INFO L462 AbstractCegarLoop]: Abstraction has 3903 states and 8039 transitions. [2019-12-27 15:02:33,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-12-27 15:02:33,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3903 states and 8039 transitions. [2019-12-27 15:02:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 15:02:33,724 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 15:02:33,724 INFO L411 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] [2019-12-27 15:02:33,724 INFO L410 AbstractCegarLoop]: === Iteration 18 === [reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 15:02:33,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 15:02:33,725 INFO L82 PathProgramCache]: Analyzing trace with hash -354164778, now seen corresponding path program 14 times [2019-12-27 15:02:33,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 15:02:33,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653953195] [2019-12-27 15:02:33,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 15:02:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 15:02:35,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 15:02:35,788 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653953195] [2019-12-27 15:02:35,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 15:02:35,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2019-12-27 15:02:35,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022436882] [2019-12-27 15:02:35,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-12-27 15:02:35,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 15:02:35,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-12-27 15:02:35,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2019-12-27 15:02:35,789 INFO L87 Difference]: Start difference. First operand 3903 states and 8039 transitions. Second operand 37 states. Received shutdown request... [2019-12-27 15:02:36,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 15:02:36,171 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 15:02:36,179 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 15:02:36,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 03:02:36 BasicIcfg [2019-12-27 15:02:36,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 15:02:36,181 INFO L168 Benchmark]: Toolchain (without parser) took 248441.30 ms. Allocated memory was 145.2 MB in the beginning and 455.1 MB in the end (delta: 309.9 MB). Free memory was 101.0 MB in the beginning and 346.9 MB in the end (delta: -245.8 MB). Peak memory consumption was 64.0 MB. Max. memory is 7.1 GB. [2019-12-27 15:02:36,181 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 15:02:36,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 906.05 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 148.5 MB in the end (delta: -47.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-12-27 15:02:36,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.02 ms. Allocated memory is still 202.9 MB. Free memory was 148.5 MB in the beginning and 145.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 15:02:36,182 INFO L168 Benchmark]: Boogie Preprocessor took 75.21 ms. Allocated memory is still 202.9 MB. Free memory was 145.8 MB in the beginning and 144.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 15:02:36,182 INFO L168 Benchmark]: RCFGBuilder took 651.05 ms. Allocated memory is still 202.9 MB. Free memory was 143.8 MB in the beginning and 114.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-12-27 15:02:36,183 INFO L168 Benchmark]: TraceAbstraction took 246704.62 ms. Allocated memory was 202.9 MB in the beginning and 455.1 MB in the end (delta: 252.2 MB). Free memory was 113.6 MB in the beginning and 346.9 MB in the end (delta: -233.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-12-27 15:02:36,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 906.05 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 148.5 MB in the end (delta: -47.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 99.02 ms. Allocated memory is still 202.9 MB. Free memory was 148.5 MB in the beginning and 145.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.21 ms. Allocated memory is still 202.9 MB. Free memory was 145.8 MB in the beginning and 144.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 651.05 ms. Allocated memory is still 202.9 MB. Free memory was 143.8 MB in the beginning and 114.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246704.62 ms. Allocated memory was 202.9 MB in the beginning and 455.1 MB in the end (delta: 252.2 MB). Free memory was 113.6 MB in the beginning and 346.9 MB in the end (delta: -233.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 821]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 821). Cancelled while BasicCegarLoop was constructing difference of abstraction (3903states) and FLOYD_HOARE automaton (currently 8 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (13 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 825]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 825). Cancelled while BasicCegarLoop was constructing difference of abstraction (3903states) and FLOYD_HOARE automaton (currently 8 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (13 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 826]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 826). Cancelled while BasicCegarLoop was constructing difference of abstraction (3903states) and FLOYD_HOARE automaton (currently 8 states, 37 states before enhancement),while ReachableStatesComputation was computing reachable states (13 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 119 locations, 3 error locations. Result: TIMEOUT, OverallTime: 246.5s, OverallIterations: 18, TraceHistogramMax: 1, AutomataDifference: 214.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7492 SDtfs, 27430 SDslu, 124954 SDs, 0 SdLazy, 54987 SolverSat, 875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1522 GetRequests, 41 SyntacticMatches, 38 SemanticMatches, 1443 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29138 ImplicationChecksByTransitivity, 178.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3975occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 28516 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 1204 NumberOfCodeBlocks, 1204 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1186 ConstructedInterpolants, 0 QuantifiedInterpolants, 1730540 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown