java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:36:34,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:36:34,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:36:34,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:36:34,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:36:34,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:36:34,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:36:34,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:36:34,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:36:34,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:36:34,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:36:34,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:36:34,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:36:34,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:36:34,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:36:34,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:36:34,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:36:34,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:36:34,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:36:34,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:36:34,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:36:34,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:36:34,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:36:34,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:36:34,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:36:34,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:36:34,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:36:34,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:36:34,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:36:34,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:36:34,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:36:34,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:36:34,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:36:34,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:36:34,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:36:34,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:36:34,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:36:34,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:36:34,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:36:34,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:36:34,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:36:34,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:36:34,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:36:34,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:36:34,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:36:34,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:36:34,753 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:36:34,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:36:34,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:36:34,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:36:34,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:36:34,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:36:34,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:36:34,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:36:34,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:36:34,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:36:34,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:36:34,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:36:34,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:36:34,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:36:34,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:36:34,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:36:34,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:36:34,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:36:34,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:36:34,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:36:34,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:36:34,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:36:34,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:36:34,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:36:34,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:36:35,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:36:35,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:36:35,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:36:35,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:36:35,035 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:36:35,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2019-10-13 19:36:35,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbf82388/f7528f559cae4aed989d33713510c883/FLAG72caab164 [2019-10-13 19:36:35,662 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:36:35,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2019-10-13 19:36:35,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbf82388/f7528f559cae4aed989d33713510c883/FLAG72caab164 [2019-10-13 19:36:35,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fbf82388/f7528f559cae4aed989d33713510c883 [2019-10-13 19:36:36,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:36:36,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:36:36,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:36:36,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:36:36,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:36:36,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:35" (1/1) ... [2019-10-13 19:36:36,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225cf470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36, skipping insertion in model container [2019-10-13 19:36:36,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:35" (1/1) ... [2019-10-13 19:36:36,020 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:36:36,074 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:36:36,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:36:36,537 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:36:36,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:36:36,699 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:36:36,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36 WrapperNode [2019-10-13 19:36:36,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:36:36,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:36:36,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:36:36,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:36:36,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (1/1) ... [2019-10-13 19:36:36,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (1/1) ... [2019-10-13 19:36:36,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (1/1) ... [2019-10-13 19:36:36,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (1/1) ... [2019-10-13 19:36:36,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (1/1) ... [2019-10-13 19:36:36,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (1/1) ... [2019-10-13 19:36:36,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (1/1) ... [2019-10-13 19:36:36,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:36:36,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:36:36,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:36:36,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:36:36,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (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 [2019-10-13 19:36:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:36:36,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:36:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:36:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:36:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:36:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:36:36,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:36:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:36:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:36:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 19:36:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:36:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:36:36,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:36:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:36:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:36:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:36:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:36:36,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:36:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:36:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 19:36:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:36:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:36:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:36:36,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:36:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:36:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 19:36:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:36:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:36:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:36:36,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:36:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:36:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:36:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:36:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:36:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:36:36,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:36:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:36:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:36:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:36:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:36:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:36:36,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:36:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:36:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:36:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:36:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:36:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:36:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:36:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:36:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:36:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:36:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 19:36:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:36:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:36:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:36:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:36:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:36:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:36:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:36:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:36:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:36:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:36:36,861 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:36:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:36:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:36:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:36:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 19:36:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:36:36,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:36:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 19:36:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:36:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:36:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 19:36:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:36:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 19:36:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:36:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:36:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:36:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:36:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:36:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:36:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:36:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:36:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:36:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:36:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:36:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:36:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:36:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:36:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:36:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:36:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:36:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:36:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:36:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:36:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:36:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:36:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:36:37,941 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:36:37,942 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:36:37,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:36:37 BoogieIcfgContainer [2019-10-13 19:36:37,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:36:37,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:36:37,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:36:37,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:36:37,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:36:35" (1/3) ... [2019-10-13 19:36:37,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ead5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:36:37, skipping insertion in model container [2019-10-13 19:36:37,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:36" (2/3) ... [2019-10-13 19:36:37,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ead5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:36:37, skipping insertion in model container [2019-10-13 19:36:37,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:36:37" (3/3) ... [2019-10-13 19:36:37,953 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-10-13 19:36:37,962 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:36:37,971 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:36:37,982 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:36:38,015 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:36:38,016 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:36:38,016 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:36:38,016 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:36:38,016 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:36:38,016 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:36:38,017 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:36:38,017 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:36:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2019-10-13 19:36:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 19:36:38,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:36:38,050 INFO L380 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] [2019-10-13 19:36:38,052 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:36:38,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:36:38,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1956679058, now seen corresponding path program 1 times [2019-10-13 19:36:38,066 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:36:38,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946237263] [2019-10-13 19:36:38,067 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:38,067 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:38,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:36:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,757 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:36:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:36:38,877 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946237263] [2019-10-13 19:36:38,879 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:36:38,879 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:36:38,880 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261588809] [2019-10-13 19:36:38,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:36:38,886 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:36:38,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:36:38,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:36:38,903 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 4 states. [2019-10-13 19:36:40,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:36:40,146 INFO L93 Difference]: Finished difference Result 327 states and 428 transitions. [2019-10-13 19:36:40,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 19:36:40,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2019-10-13 19:36:40,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:36:40,163 INFO L225 Difference]: With dead ends: 327 [2019-10-13 19:36:40,163 INFO L226 Difference]: Without dead ends: 183 [2019-10-13 19:36:40,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:36:40,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2019-10-13 19:36:40,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 145. [2019-10-13 19:36:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-13 19:36:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2019-10-13 19:36:40,262 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 51 [2019-10-13 19:36:40,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:36:40,263 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2019-10-13 19:36:40,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:36:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2019-10-13 19:36:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:36:40,267 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:36:40,267 INFO L380 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] [2019-10-13 19:36:40,267 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:36:40,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:36:40,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1975214799, now seen corresponding path program 1 times [2019-10-13 19:36:40,268 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:36:40,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936523981] [2019-10-13 19:36:40,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:40,269 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:40,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:36:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,639 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:36:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:36:40,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936523981] [2019-10-13 19:36:40,690 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:36:40,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 19:36:40,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610581806] [2019-10-13 19:36:40,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 19:36:40,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:36:40,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 19:36:40,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:36:40,694 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 5 states. [2019-10-13 19:36:41,176 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:36:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:36:42,211 INFO L93 Difference]: Finished difference Result 262 states and 327 transitions. [2019-10-13 19:36:42,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 19:36:42,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-10-13 19:36:42,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:36:42,215 INFO L225 Difference]: With dead ends: 262 [2019-10-13 19:36:42,216 INFO L226 Difference]: Without dead ends: 173 [2019-10-13 19:36:42,217 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 19:36:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-10-13 19:36:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 136. [2019-10-13 19:36:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-13 19:36:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 160 transitions. [2019-10-13 19:36:42,257 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 160 transitions. Word has length 52 [2019-10-13 19:36:42,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:36:42,257 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 160 transitions. [2019-10-13 19:36:42,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 19:36:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 160 transitions. [2019-10-13 19:36:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:36:42,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:36:42,260 INFO L380 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] [2019-10-13 19:36:42,260 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:36:42,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:36:42,261 INFO L82 PathProgramCache]: Analyzing trace with hash -881076325, now seen corresponding path program 1 times [2019-10-13 19:36:42,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:36:42,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611597190] [2019-10-13 19:36:42,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:42,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:42,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:36:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,634 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:36:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:36:42,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611597190] [2019-10-13 19:36:42,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:36:42,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:36:42,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84178238] [2019-10-13 19:36:42,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:36:42,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:36:42,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:36:42,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:36:42,765 INFO L87 Difference]: Start difference. First operand 136 states and 160 transitions. Second operand 9 states. [2019-10-13 19:36:43,240 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:36:43,628 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-10-13 19:36:43,914 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:44,201 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:45,111 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:36:47,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:36:47,495 INFO L93 Difference]: Finished difference Result 464 states and 587 transitions. [2019-10-13 19:36:47,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 19:36:47,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2019-10-13 19:36:47,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:36:47,506 INFO L225 Difference]: With dead ends: 464 [2019-10-13 19:36:47,507 INFO L226 Difference]: Without dead ends: 356 [2019-10-13 19:36:47,508 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-13 19:36:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-13 19:36:47,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 283. [2019-10-13 19:36:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-10-13 19:36:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2019-10-13 19:36:47,663 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 57 [2019-10-13 19:36:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:36:47,666 INFO L462 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2019-10-13 19:36:47,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:36:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2019-10-13 19:36:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 19:36:47,679 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:36:47,679 INFO L380 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] [2019-10-13 19:36:47,680 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:36:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:36:47,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1318351478, now seen corresponding path program 1 times [2019-10-13 19:36:47,680 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:36:47,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330811955] [2019-10-13 19:36:47,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:47,681 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:47,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:36:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,037 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:36:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:36:48,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330811955] [2019-10-13 19:36:48,129 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:36:48,129 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 19:36:48,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785173817] [2019-10-13 19:36:48,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 19:36:48,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:36:48,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 19:36:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 19:36:48,131 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand 9 states. [2019-10-13 19:36:48,725 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:36:49,981 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:50,441 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:36:50,703 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:51,007 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:52,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:36:52,601 INFO L93 Difference]: Finished difference Result 914 states and 1214 transitions. [2019-10-13 19:36:52,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 19:36:52,602 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2019-10-13 19:36:52,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:36:52,609 INFO L225 Difference]: With dead ends: 914 [2019-10-13 19:36:52,609 INFO L226 Difference]: Without dead ends: 659 [2019-10-13 19:36:52,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2019-10-13 19:36:52,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2019-10-13 19:36:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 514. [2019-10-13 19:36:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2019-10-13 19:36:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 632 transitions. [2019-10-13 19:36:52,733 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 632 transitions. Word has length 62 [2019-10-13 19:36:52,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:36:52,733 INFO L462 AbstractCegarLoop]: Abstraction has 514 states and 632 transitions. [2019-10-13 19:36:52,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 19:36:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 632 transitions. [2019-10-13 19:36:52,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 19:36:52,736 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:36:52,737 INFO L380 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] [2019-10-13 19:36:52,737 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:36:52,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:36:52,737 INFO L82 PathProgramCache]: Analyzing trace with hash 35250534, now seen corresponding path program 1 times [2019-10-13 19:36:52,738 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:36:52,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974862878] [2019-10-13 19:36:52,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:52,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:52,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:36:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,042 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:36:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:36:53,181 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974862878] [2019-10-13 19:36:53,181 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:36:53,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:36:53,181 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850338683] [2019-10-13 19:36:53,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:36:53,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:36:53,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:36:53,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:36:53,183 INFO L87 Difference]: Start difference. First operand 514 states and 632 transitions. Second operand 10 states. [2019-10-13 19:36:54,065 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:36:55,240 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:55,548 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:55,850 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:36:56,620 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:36:58,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:36:58,018 INFO L93 Difference]: Finished difference Result 1457 states and 1990 transitions. [2019-10-13 19:36:58,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 19:36:58,018 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2019-10-13 19:36:58,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:36:58,026 INFO L225 Difference]: With dead ends: 1457 [2019-10-13 19:36:58,027 INFO L226 Difference]: Without dead ends: 971 [2019-10-13 19:36:58,029 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2019-10-13 19:36:58,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2019-10-13 19:36:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 765. [2019-10-13 19:36:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2019-10-13 19:36:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2019-10-13 19:36:58,169 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 66 [2019-10-13 19:36:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:36:58,169 INFO L462 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2019-10-13 19:36:58,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:36:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2019-10-13 19:36:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 19:36:58,173 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:36:58,173 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:36:58,173 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:36:58,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:36:58,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1738725350, now seen corresponding path program 1 times [2019-10-13 19:36:58,174 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:36:58,174 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533996026] [2019-10-13 19:36:58,174 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:58,174 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:36:58,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:36:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,440 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:36:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:36:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:36:58,614 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533996026] [2019-10-13 19:36:58,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:36:58,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:36:58,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427960168] [2019-10-13 19:36:58,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:36:58,616 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:36:58,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:36:58,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:36:58,616 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 10 states. [2019-10-13 19:36:59,088 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:37:00,264 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:00,558 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-10-13 19:37:00,856 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:01,170 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:03,501 INFO L93 Difference]: Finished difference Result 2581 states and 3642 transitions. [2019-10-13 19:37:03,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:37:03,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-13 19:37:03,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:03,517 INFO L225 Difference]: With dead ends: 2581 [2019-10-13 19:37:03,517 INFO L226 Difference]: Without dead ends: 1844 [2019-10-13 19:37:03,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2019-10-13 19:37:03,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2019-10-13 19:37:03,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1391. [2019-10-13 19:37:03,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2019-10-13 19:37:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1682 transitions. [2019-10-13 19:37:03,826 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1682 transitions. Word has length 104 [2019-10-13 19:37:03,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:03,827 INFO L462 AbstractCegarLoop]: Abstraction has 1391 states and 1682 transitions. [2019-10-13 19:37:03,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:37:03,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1682 transitions. [2019-10-13 19:37:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 19:37:03,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:03,832 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:03,833 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:03,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:03,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1498185221, now seen corresponding path program 1 times [2019-10-13 19:37:03,833 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:03,833 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769684185] [2019-10-13 19:37:03,834 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:03,834 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:03,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,126 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:37:04,330 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769684185] [2019-10-13 19:37:04,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:04,332 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:37:04,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469469919] [2019-10-13 19:37:04,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:37:04,334 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:04,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:37:04,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:37:04,335 INFO L87 Difference]: Start difference. First operand 1391 states and 1682 transitions. Second operand 10 states. [2019-10-13 19:37:05,686 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:05,975 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-10-13 19:37:06,296 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:06,564 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:07,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:07,881 INFO L93 Difference]: Finished difference Result 3223 states and 4355 transitions. [2019-10-13 19:37:07,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 19:37:07,881 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-13 19:37:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:07,895 INFO L225 Difference]: With dead ends: 3223 [2019-10-13 19:37:07,896 INFO L226 Difference]: Without dead ends: 1860 [2019-10-13 19:37:07,901 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2019-10-13 19:37:07,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2019-10-13 19:37:08,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1431. [2019-10-13 19:37:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1431 states. [2019-10-13 19:37:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1722 transitions. [2019-10-13 19:37:08,160 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1722 transitions. Word has length 104 [2019-10-13 19:37:08,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:08,160 INFO L462 AbstractCegarLoop]: Abstraction has 1431 states and 1722 transitions. [2019-10-13 19:37:08,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 19:37:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1722 transitions. [2019-10-13 19:37:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 19:37:08,164 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:08,164 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:08,165 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:08,165 INFO L82 PathProgramCache]: Analyzing trace with hash 430087481, now seen corresponding path program 1 times [2019-10-13 19:37:08,165 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:08,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093765876] [2019-10-13 19:37:08,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:08,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:08,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,570 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 19:37:08,741 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093765876] [2019-10-13 19:37:08,741 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:37:08,742 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:37:08,742 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925508659] [2019-10-13 19:37:08,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:37:08,743 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:37:08,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:37:08,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:37:08,743 INFO L87 Difference]: Start difference. First operand 1431 states and 1722 transitions. Second operand 12 states. [2019-10-13 19:37:09,491 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-10-13 19:37:09,753 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:10,009 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:10,913 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:11,216 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:11,468 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:37:12,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:37:12,969 INFO L93 Difference]: Finished difference Result 2835 states and 3722 transitions. [2019-10-13 19:37:12,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 19:37:12,970 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2019-10-13 19:37:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:37:12,979 INFO L225 Difference]: With dead ends: 2835 [2019-10-13 19:37:12,979 INFO L226 Difference]: Without dead ends: 1432 [2019-10-13 19:37:12,984 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2019-10-13 19:37:12,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-10-13 19:37:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1143. [2019-10-13 19:37:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2019-10-13 19:37:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1346 transitions. [2019-10-13 19:37:13,240 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1346 transitions. Word has length 104 [2019-10-13 19:37:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:37:13,241 INFO L462 AbstractCegarLoop]: Abstraction has 1143 states and 1346 transitions. [2019-10-13 19:37:13,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:37:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1346 transitions. [2019-10-13 19:37:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 19:37:13,248 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:37:13,248 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:37:13,248 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:37:13,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:37:13,249 INFO L82 PathProgramCache]: Analyzing trace with hash 832876050, now seen corresponding path program 1 times [2019-10-13 19:37:13,249 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:37:13,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493685512] [2019-10-13 19:37:13,250 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:13,250 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:37:13,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:37:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,541 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:37:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:37:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat