/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:52:16,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:52:16,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:52:16,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:52:16,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:52:16,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:52:16,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:52:16,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:52:16,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:52:16,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:52:16,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:52:16,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:52:16,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:52:16,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:52:16,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:52:16,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:52:16,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:52:16,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:52:16,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:52:16,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:52:16,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:52:16,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:52:16,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:52:16,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:52:16,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:52:16,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:52:16,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:52:16,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:52:16,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:52:16,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:52:16,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:52:16,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:52:16,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:52:16,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:52:16,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:52:16,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:52:16,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:52:16,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:52:16,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:52:16,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:52:16,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:52:16,724 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 [2020-07-07 10:52:16,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:52:16,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:52:16,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:52:16,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:52:16,749 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:52:16,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:52:16,749 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:52:16,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:52:16,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:52:16,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:52:16,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:52:16,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:52:16,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:52:16,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:52:16,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:52:16,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:52:16,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:52:16,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:52:16,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:52:16,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:52:16,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:52:16,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:52:16,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:52:16,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:52:16,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:52:16,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:52:16,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:52:16,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:52:16,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:52:16,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:52:17,027 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:52:17,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:52:17,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:52:17,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:52:17,050 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:52:17,051 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-07-07 10:52:17,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0715a99dc/7cc2af1469c54cc4a58f18154ea59b14/FLAG9a113e739 [2020-07-07 10:52:17,780 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:52:17,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-07-07 10:52:17,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0715a99dc/7cc2af1469c54cc4a58f18154ea59b14/FLAG9a113e739 [2020-07-07 10:52:18,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0715a99dc/7cc2af1469c54cc4a58f18154ea59b14 [2020-07-07 10:52:18,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:52:18,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:52:18,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:18,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:52:18,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:52:18,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cd7b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18, skipping insertion in model container [2020-07-07 10:52:18,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:52:18,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:52:18,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:18,536 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:52:18,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:18,665 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:52:18,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18 WrapperNode [2020-07-07 10:52:18,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:18,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:52:18,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:52:18,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:52:18,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... [2020-07-07 10:52:18,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:52:18,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:52:18,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:52:18,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:52:18,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:52:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:52:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:52:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:52:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:52:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:52:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:52:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:52:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:52:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:52:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:52:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:52:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:52:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:52:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:52:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:52:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:52:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:52:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:52:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:52:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:52:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:52:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:52:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:52:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:52:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:52:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:52:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:52:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:52:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:52:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:52:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:52:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:52:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:52:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:52:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:52:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:52:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:52:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:52:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:52:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:52:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:52:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:52:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:52:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:52:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:52:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:52:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:52:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:52:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:52:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:52:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:52:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:52:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:52:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:52:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:52:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:52:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:52:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:52:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:52:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:52:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:52:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:52:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:52:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:52:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:52:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:52:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:52:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:52:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:52:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:52:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:52:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:52:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:52:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:52:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:52:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:52:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:52:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:52:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:52:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:52:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:52:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:52:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:52:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:52:19,898 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:52:19,899 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:52:19,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:19 BoogieIcfgContainer [2020-07-07 10:52:19,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:52:19,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:52:19,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:52:19,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:52:19,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:52:18" (1/3) ... [2020-07-07 10:52:19,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb3a37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:19, skipping insertion in model container [2020-07-07 10:52:19,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:18" (2/3) ... [2020-07-07 10:52:19,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb3a37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:19, skipping insertion in model container [2020-07-07 10:52:19,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:19" (3/3) ... [2020-07-07 10:52:19,912 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-07-07 10:52:19,921 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:52:19,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:52:19,940 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:52:19,961 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:52:19,961 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:52:19,961 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:52:19,961 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:52:19,962 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:52:19,962 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:52:19,962 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:52:19,962 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:52:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-07 10:52:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:52:19,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:19,998 INFO L422 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] [2020-07-07 10:52:19,998 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:20,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:20,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1133755032, now seen corresponding path program 1 times [2020-07-07 10:52:20,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:20,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127469685] [2020-07-07 10:52:20,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,685 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:20,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127469685] [2020-07-07 10:52:20,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:20,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:52:20,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033250824] [2020-07-07 10:52:20,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:52:20,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:20,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:52:20,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:20,843 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 4 states. [2020-07-07 10:52:22,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:22,136 INFO L93 Difference]: Finished difference Result 350 states and 444 transitions. [2020-07-07 10:52:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:52:22,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:52:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:22,152 INFO L225 Difference]: With dead ends: 350 [2020-07-07 10:52:22,152 INFO L226 Difference]: Without dead ends: 192 [2020-07-07 10:52:22,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:22,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-07 10:52:22,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2020-07-07 10:52:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-07 10:52:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2020-07-07 10:52:22,254 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 59 [2020-07-07 10:52:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:22,255 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2020-07-07 10:52:22,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:52:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2020-07-07 10:52:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:52:22,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:22,259 INFO L422 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] [2020-07-07 10:52:22,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:52:22,260 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:22,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:22,260 INFO L82 PathProgramCache]: Analyzing trace with hash -138893135, now seen corresponding path program 1 times [2020-07-07 10:52:22,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:22,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693795454] [2020-07-07 10:52:22,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,640 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:22,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693795454] [2020-07-07 10:52:22,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:22,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:52:22,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580126530] [2020-07-07 10:52:22,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:52:22,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:22,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:52:22,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:52:22,736 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 5 states. [2020-07-07 10:52:23,259 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:24,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:24,289 INFO L93 Difference]: Finished difference Result 289 states and 348 transitions. [2020-07-07 10:52:24,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:52:24,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:52:24,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:24,293 INFO L225 Difference]: With dead ends: 289 [2020-07-07 10:52:24,293 INFO L226 Difference]: Without dead ends: 182 [2020-07-07 10:52:24,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:24,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-07 10:52:24,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 150. [2020-07-07 10:52:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-07 10:52:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2020-07-07 10:52:24,369 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 60 [2020-07-07 10:52:24,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:24,369 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2020-07-07 10:52:24,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:52:24,370 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2020-07-07 10:52:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:52:24,382 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:24,382 INFO L422 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] [2020-07-07 10:52:24,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:52:24,383 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:24,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:24,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1740604635, now seen corresponding path program 1 times [2020-07-07 10:52:24,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:24,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565399457] [2020-07-07 10:52:24,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,777 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:24,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565399457] [2020-07-07 10:52:24,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:24,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:24,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978679652] [2020-07-07 10:52:24,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:24,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:24,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:24,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:24,919 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand 9 states. [2020-07-07 10:52:25,333 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:25,675 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:25,916 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:26,164 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:27,059 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:29,010 INFO L93 Difference]: Finished difference Result 499 states and 610 transitions. [2020-07-07 10:52:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:52:29,011 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-07 10:52:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:29,018 INFO L225 Difference]: With dead ends: 499 [2020-07-07 10:52:29,018 INFO L226 Difference]: Without dead ends: 377 [2020-07-07 10:52:29,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:52:29,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-07 10:52:29,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 320. [2020-07-07 10:52:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-07-07 10:52:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 384 transitions. [2020-07-07 10:52:29,140 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 384 transitions. Word has length 64 [2020-07-07 10:52:29,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:29,143 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 384 transitions. [2020-07-07 10:52:29,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 384 transitions. [2020-07-07 10:52:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:52:29,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:29,146 INFO L422 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] [2020-07-07 10:52:29,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:52:29,147 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:29,148 INFO L82 PathProgramCache]: Analyzing trace with hash 659595443, now seen corresponding path program 1 times [2020-07-07 10:52:29,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:29,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716119489] [2020-07-07 10:52:29,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,486 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:52:29,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716119489] [2020-07-07 10:52:29,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:29,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:29,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269386181] [2020-07-07 10:52:29,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:29,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:29,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:29,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:29,584 INFO L87 Difference]: Start difference. First operand 320 states and 384 transitions. Second operand 9 states. [2020-07-07 10:52:29,971 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:30,640 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:31,605 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:31,828 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:32,138 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:32,401 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:33,142 INFO L93 Difference]: Finished difference Result 803 states and 1032 transitions. [2020-07-07 10:52:33,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:52:33,143 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:52:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:33,148 INFO L225 Difference]: With dead ends: 803 [2020-07-07 10:52:33,148 INFO L226 Difference]: Without dead ends: 511 [2020-07-07 10:52:33,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:52:33,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-07-07 10:52:33,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 447. [2020-07-07 10:52:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-07-07 10:52:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 535 transitions. [2020-07-07 10:52:33,261 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 535 transitions. Word has length 70 [2020-07-07 10:52:33,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:33,261 INFO L479 AbstractCegarLoop]: Abstraction has 447 states and 535 transitions. [2020-07-07 10:52:33,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:33,262 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 535 transitions. [2020-07-07 10:52:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:52:33,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:33,264 INFO L422 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] [2020-07-07 10:52:33,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:52:33,264 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:33,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:33,265 INFO L82 PathProgramCache]: Analyzing trace with hash -73914297, now seen corresponding path program 1 times [2020-07-07 10:52:33,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:33,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41428430] [2020-07-07 10:52:33,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,546 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:33,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41428430] [2020-07-07 10:52:33,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:33,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:52:33,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383427757] [2020-07-07 10:52:33,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:52:33,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:33,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:52:33,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:52:33,756 INFO L87 Difference]: Start difference. First operand 447 states and 535 transitions. Second operand 9 states. [2020-07-07 10:52:35,000 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:35,266 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:35,542 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:35,818 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:36,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:36,700 INFO L93 Difference]: Finished difference Result 956 states and 1224 transitions. [2020-07-07 10:52:36,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:52:36,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-07 10:52:36,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:36,706 INFO L225 Difference]: With dead ends: 956 [2020-07-07 10:52:36,707 INFO L226 Difference]: Without dead ends: 537 [2020-07-07 10:52:36,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:52:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-07-07 10:52:36,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 460. [2020-07-07 10:52:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-07-07 10:52:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 549 transitions. [2020-07-07 10:52:36,789 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 549 transitions. Word has length 107 [2020-07-07 10:52:36,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:36,790 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 549 transitions. [2020-07-07 10:52:36,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:52:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 549 transitions. [2020-07-07 10:52:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:52:36,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:36,792 INFO L422 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] [2020-07-07 10:52:36,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:52:36,793 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:36,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:36,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1854358405, now seen corresponding path program 1 times [2020-07-07 10:52:36,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:36,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022284773] [2020-07-07 10:52:36,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,071 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:37,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022284773] [2020-07-07 10:52:37,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:37,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:52:37,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509309789] [2020-07-07 10:52:37,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:52:37,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:37,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:52:37,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:52:37,264 INFO L87 Difference]: Start difference. First operand 460 states and 549 transitions. Second operand 11 states. [2020-07-07 10:52:37,922 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:38,160 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:38,393 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:39,105 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:39,372 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:39,632 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:40,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:40,666 INFO L93 Difference]: Finished difference Result 979 states and 1248 transitions. [2020-07-07 10:52:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:52:40,667 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-07 10:52:40,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:40,672 INFO L225 Difference]: With dead ends: 979 [2020-07-07 10:52:40,673 INFO L226 Difference]: Without dead ends: 547 [2020-07-07 10:52:40,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:52:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-07-07 10:52:40,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 468. [2020-07-07 10:52:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-07-07 10:52:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2020-07-07 10:52:40,771 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 107 [2020-07-07 10:52:40,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:40,772 INFO L479 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2020-07-07 10:52:40,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:52:40,772 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2020-07-07 10:52:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 10:52:40,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:40,774 INFO L422 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] [2020-07-07 10:52:40,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:52:40,774 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:40,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:40,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1613818276, now seen corresponding path program 1 times [2020-07-07 10:52:40,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:40,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983418201] [2020-07-07 10:52:40,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,055 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:41,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983418201] [2020-07-07 10:52:41,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:41,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:52:41,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645415280] [2020-07-07 10:52:41,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:52:41,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:41,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:52:41,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:41,201 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 7 states. [2020-07-07 10:52:41,569 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:42,095 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:44,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:44,246 INFO L93 Difference]: Finished difference Result 1447 states and 1864 transitions. [2020-07-07 10:52:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:52:44,247 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-07-07 10:52:44,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:44,255 INFO L225 Difference]: With dead ends: 1447 [2020-07-07 10:52:44,255 INFO L226 Difference]: Without dead ends: 1007 [2020-07-07 10:52:44,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:52:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2020-07-07 10:52:44,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 933. [2020-07-07 10:52:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-07-07 10:52:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1131 transitions. [2020-07-07 10:52:44,438 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1131 transitions. Word has length 107 [2020-07-07 10:52:44,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:44,439 INFO L479 AbstractCegarLoop]: Abstraction has 933 states and 1131 transitions. [2020-07-07 10:52:44,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:52:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1131 transitions. [2020-07-07 10:52:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-07 10:52:44,443 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:44,443 INFO L422 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, 1, 1, 1] [2020-07-07 10:52:44,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:52:44,444 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:44,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:44,444 INFO L82 PathProgramCache]: Analyzing trace with hash 608509898, now seen corresponding path program 1 times [2020-07-07 10:52:44,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:44,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743539751] [2020-07-07 10:52:44,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,781 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:44,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743539751] [2020-07-07 10:52:44,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:44,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:52:44,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237560376] [2020-07-07 10:52:44,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:52:44,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:44,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:52:44,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:52:44,965 INFO L87 Difference]: Start difference. First operand 933 states and 1131 transitions. Second operand 12 states. [2020-07-07 10:52:45,485 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:46,179 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:46,824 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:47,140 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:47,362 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:47,636 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:47,908 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:49,910 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:50,197 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:50,891 INFO L93 Difference]: Finished difference Result 2649 states and 3420 transitions. [2020-07-07 10:52:50,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:52:50,893 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-07 10:52:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:50,904 INFO L225 Difference]: With dead ends: 2649 [2020-07-07 10:52:50,905 INFO L226 Difference]: Without dead ends: 1932 [2020-07-07 10:52:50,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:52:50,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2020-07-07 10:52:51,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1638. [2020-07-07 10:52:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2020-07-07 10:52:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 1972 transitions. [2020-07-07 10:52:51,263 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 1972 transitions. Word has length 111 [2020-07-07 10:52:51,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:51,266 INFO L479 AbstractCegarLoop]: Abstraction has 1638 states and 1972 transitions. [2020-07-07 10:52:51,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:52:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1972 transitions. [2020-07-07 10:52:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-07 10:52:51,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:51,272 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:51,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:52:51,273 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:51,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:51,273 INFO L82 PathProgramCache]: Analyzing trace with hash 866799866, now seen corresponding path program 1 times [2020-07-07 10:52:51,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:51,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352914398] [2020-07-07 10:52:51,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,582 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-07 10:52:51,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352914398] [2020-07-07 10:52:51,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122950319] [2020-07-07 10:52:51,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:52:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:52,172 INFO L264 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:52:52,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:52:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:52:52,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:52:52,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:52:52,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68726799] [2020-07-07 10:52:52,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:52:52,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:52,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:52:52,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:52:52,352 INFO L87 Difference]: Start difference. First operand 1638 states and 1972 transitions. Second operand 20 states. [2020-07-07 10:52:53,290 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:53,641 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:52:53,907 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:52:54,172 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:52:54,827 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:55,161 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:55,563 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:55,844 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:52:57,154 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:57,871 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:52:58,372 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:52:58,724 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:59,291 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:59,678 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:00,249 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:53:00,832 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:01,336 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:53:02,019 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:02,771 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:03,382 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:03,758 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:04,072 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:04,365 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:04,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:04,603 INFO L93 Difference]: Finished difference Result 3569 states and 4447 transitions. [2020-07-07 10:53:04,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-07 10:53:04,604 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-07-07 10:53:04,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:04,617 INFO L225 Difference]: With dead ends: 3569 [2020-07-07 10:53:04,617 INFO L226 Difference]: Without dead ends: 2135 [2020-07-07 10:53:04,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=851, Invalid=3309, Unknown=0, NotChecked=0, Total=4160 [2020-07-07 10:53:04,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2020-07-07 10:53:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1909. [2020-07-07 10:53:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2020-07-07 10:53:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2256 transitions. [2020-07-07 10:53:05,019 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2256 transitions. Word has length 172 [2020-07-07 10:53:05,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:05,020 INFO L479 AbstractCegarLoop]: Abstraction has 1909 states and 2256 transitions. [2020-07-07 10:53:05,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:53:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2256 transitions. [2020-07-07 10:53:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-07-07 10:53:05,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:05,031 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:53:05,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:53:05,246 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:05,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:05,247 INFO L82 PathProgramCache]: Analyzing trace with hash 41456611, now seen corresponding path program 1 times [2020-07-07 10:53:05,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:05,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107229088] [2020-07-07 10:53:05,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,625 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,297 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 79 proven. 29 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-07-07 10:53:06,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107229088] [2020-07-07 10:53:06,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529131664] [2020-07-07 10:53:06,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,762 INFO L264 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:53:06,789 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 216 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-07 10:53:07,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:07,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-07 10:53:07,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439528655] [2020-07-07 10:53:07,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:53:07,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:07,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:53:07,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:53:07,078 INFO L87 Difference]: Start difference. First operand 1909 states and 2256 transitions. Second operand 24 states. [2020-07-07 10:53:07,699 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:08,536 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:09,289 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:09,795 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:53:10,311 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:53:10,559 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:10,822 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:11,131 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:11,426 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:11,683 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:12,611 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:12,961 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:17,151 INFO L93 Difference]: Finished difference Result 4809 states and 6476 transitions. [2020-07-07 10:53:17,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-07 10:53:17,152 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 307 [2020-07-07 10:53:17,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:17,171 INFO L225 Difference]: With dead ends: 4809 [2020-07-07 10:53:17,171 INFO L226 Difference]: Without dead ends: 2947 [2020-07-07 10:53:17,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 424 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2020-07-07 10:53:17,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2020-07-07 10:53:17,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2092. [2020-07-07 10:53:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2092 states. [2020-07-07 10:53:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2461 transitions. [2020-07-07 10:53:17,680 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2461 transitions. Word has length 307 [2020-07-07 10:53:17,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:17,682 INFO L479 AbstractCegarLoop]: Abstraction has 2092 states and 2461 transitions. [2020-07-07 10:53:17,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:53:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2461 transitions. [2020-07-07 10:53:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-07-07 10:53:17,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:17,694 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:53:17,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:53:17,909 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:17,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1457558395, now seen corresponding path program 1 times [2020-07-07 10:53:17,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:17,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355497582] [2020-07-07 10:53:17,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,203 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2020-07-07 10:53:18,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355497582] [2020-07-07 10:53:18,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463416107] [2020-07-07 10:53:18,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:19,246 INFO L264 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:53:19,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 250 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-07 10:53:19,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:19,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:53:19,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469301197] [2020-07-07 10:53:19,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:53:19,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:19,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:53:19,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:53:19,507 INFO L87 Difference]: Start difference. First operand 2092 states and 2461 transitions. Second operand 22 states. [2020-07-07 10:53:20,407 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:53:20,948 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:21,421 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:21,876 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:53:22,790 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:24,181 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:24,647 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:53:25,061 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:25,677 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:26,571 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:26,816 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:27,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:27,654 INFO L93 Difference]: Finished difference Result 4118 states and 4995 transitions. [2020-07-07 10:53:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:53:27,655 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-07-07 10:53:27,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:27,669 INFO L225 Difference]: With dead ends: 4118 [2020-07-07 10:53:27,669 INFO L226 Difference]: Without dead ends: 2249 [2020-07-07 10:53:27,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:53:27,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2020-07-07 10:53:28,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2094. [2020-07-07 10:53:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2094 states. [2020-07-07 10:53:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 2094 states and 2457 transitions. [2020-07-07 10:53:28,108 INFO L78 Accepts]: Start accepts. Automaton has 2094 states and 2457 transitions. Word has length 319 [2020-07-07 10:53:28,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:28,109 INFO L479 AbstractCegarLoop]: Abstraction has 2094 states and 2457 transitions. [2020-07-07 10:53:28,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:53:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2457 transitions. [2020-07-07 10:53:28,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-07 10:53:28,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:28,121 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:53:28,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:53:28,338 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:28,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:28,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1638821047, now seen corresponding path program 1 times [2020-07-07 10:53:28,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:28,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237500712] [2020-07-07 10:53:28,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,718 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-07-07 10:53:29,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237500712] [2020-07-07 10:53:29,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62977261] [2020-07-07 10:53:29,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:29,394 INFO L264 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:53:29,401 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-07 10:53:29,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:29,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-07 10:53:29,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315874915] [2020-07-07 10:53:29,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 10:53:29,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:29,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 10:53:29,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:53:29,617 INFO L87 Difference]: Start difference. First operand 2094 states and 2457 transitions. Second operand 17 states. [2020-07-07 10:53:30,225 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:30,900 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:32,847 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:33,093 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:33,347 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:33,594 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:34,311 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:34,604 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:34,852 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:35,113 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:35,426 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:37,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:37,945 INFO L93 Difference]: Finished difference Result 5436 states and 6981 transitions. [2020-07-07 10:53:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-07 10:53:37,946 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 320 [2020-07-07 10:53:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:37,968 INFO L225 Difference]: With dead ends: 5436 [2020-07-07 10:53:37,968 INFO L226 Difference]: Without dead ends: 3480 [2020-07-07 10:53:37,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-07 10:53:37,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2020-07-07 10:53:38,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2679. [2020-07-07 10:53:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2679 states. [2020-07-07 10:53:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3142 transitions. [2020-07-07 10:53:38,576 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3142 transitions. Word has length 320 [2020-07-07 10:53:38,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:38,577 INFO L479 AbstractCegarLoop]: Abstraction has 2679 states and 3142 transitions. [2020-07-07 10:53:38,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 10:53:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3142 transitions. [2020-07-07 10:53:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2020-07-07 10:53:38,590 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:38,590 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:53:38,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:38,807 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:38,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:38,808 INFO L82 PathProgramCache]: Analyzing trace with hash 774189331, now seen corresponding path program 1 times [2020-07-07 10:53:38,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:38,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026981918] [2020-07-07 10:53:38,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,083 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 84 proven. 12 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-07-07 10:53:39,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026981918] [2020-07-07 10:53:39,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446865886] [2020-07-07 10:53:39,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:39,909 INFO L264 TraceCheckSpWp]: Trace formula consists of 1514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:53:39,926 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2020-07-07 10:53:40,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:53:40,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-07 10:53:40,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544133897] [2020-07-07 10:53:40,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:53:40,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:40,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:53:40,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:53:40,077 INFO L87 Difference]: Start difference. First operand 2679 states and 3142 transitions. Second operand 3 states. [2020-07-07 10:53:40,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:40,420 INFO L93 Difference]: Finished difference Result 3180 states and 3746 transitions. [2020-07-07 10:53:40,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:53:40,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2020-07-07 10:53:40,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:40,426 INFO L225 Difference]: With dead ends: 3180 [2020-07-07 10:53:40,426 INFO L226 Difference]: Without dead ends: 1117 [2020-07-07 10:53:40,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:53:40,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2020-07-07 10:53:40,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1091. [2020-07-07 10:53:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2020-07-07 10:53:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1243 transitions. [2020-07-07 10:53:40,706 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1243 transitions. Word has length 394 [2020-07-07 10:53:40,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:40,706 INFO L479 AbstractCegarLoop]: Abstraction has 1091 states and 1243 transitions. [2020-07-07 10:53:40,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:53:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1243 transitions. [2020-07-07 10:53:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-07 10:53:40,711 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:40,711 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:53:40,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:53:40,925 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:40,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:40,926 INFO L82 PathProgramCache]: Analyzing trace with hash 532410555, now seen corresponding path program 1 times [2020-07-07 10:53:40,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:40,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535722374] [2020-07-07 10:53:40,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,255 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 24 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-07-07 10:53:41,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535722374] [2020-07-07 10:53:41,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018026906] [2020-07-07 10:53:41,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,957 INFO L264 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:53:41,973 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:42,272 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 227 proven. 49 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-07-07 10:53:42,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:42,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 27 [2020-07-07 10:53:42,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247434122] [2020-07-07 10:53:42,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 10:53:42,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:42,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 10:53:42,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=600, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:53:42,275 INFO L87 Difference]: Start difference. First operand 1091 states and 1243 transitions. Second operand 27 states. [2020-07-07 10:53:43,532 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:44,433 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:45,875 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:46,229 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:46,532 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:47,888 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-07 10:53:49,214 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-07 10:53:49,757 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 193 [2020-07-07 10:53:50,305 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:53:50,834 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-07-07 10:53:51,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:51,882 INFO L93 Difference]: Finished difference Result 1218 states and 1411 transitions. [2020-07-07 10:53:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-07 10:53:51,883 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 388 [2020-07-07 10:53:51,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:51,885 INFO L225 Difference]: With dead ends: 1218 [2020-07-07 10:53:51,885 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:53:51,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=623, Invalid=2683, Unknown=0, NotChecked=0, Total=3306 [2020-07-07 10:53:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:53:51,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:53:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:53:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:53:51,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-07-07 10:53:51,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:51,890 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:53:51,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 10:53:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:53:51,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:53:52,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:53:52,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:53:52,301 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 223 [2020-07-07 10:53:54,371 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 408 DAG size of output: 328 [2020-07-07 10:53:54,941 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 292 [2020-07-07 10:53:56,812 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 318 [2020-07-07 10:54:02,321 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 363 [2020-07-07 10:54:03,948 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 310 [2020-07-07 10:54:04,281 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2020-07-07 10:54:04,746 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 204 [2020-07-07 10:54:07,371 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-07-07 10:54:08,741 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 199 DAG size of output: 40 [2020-07-07 10:54:09,755 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-07 10:54:09,923 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-07 10:54:10,308 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-07 10:54:11,028 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 36 [2020-07-07 10:54:11,839 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2020-07-07 10:54:12,507 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-07 10:54:12,733 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-07 10:54:13,309 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-07-07 10:54:13,532 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-07-07 10:54:13,772 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-07-07 10:54:14,602 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 40 [2020-07-07 10:54:14,825 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:15,765 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-07-07 10:54:17,692 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 263 DAG size of output: 45 [2020-07-07 10:54:17,899 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 1 [2020-07-07 10:54:18,091 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-07 10:54:18,386 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2020-07-07 10:54:20,085 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 225 DAG size of output: 39 [2020-07-07 10:54:20,270 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-07 10:54:20,851 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2020-07-07 10:54:21,068 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-07 10:54:21,270 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:54:22,871 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 205 DAG size of output: 38 [2020-07-07 10:54:24,671 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 250 DAG size of output: 37 [2020-07-07 10:54:24,873 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:54:26,124 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-07-07 10:54:27,057 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 30 [2020-07-07 10:54:27,875 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 21 [2020-07-07 10:54:29,126 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 273 DAG size of output: 41 [2020-07-07 10:54:29,828 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 34 [2020-07-07 10:54:30,418 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-07 10:54:30,624 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-07 10:54:30,843 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-07 10:54:31,104 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-07-07 10:54:31,289 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-07 10:54:31,481 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-07 10:54:32,441 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 33 [2020-07-07 10:54:32,618 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-07 10:54:32,797 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-07 10:54:32,977 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-07 10:54:33,181 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 25 [2020-07-07 10:54:33,834 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-07-07 10:54:34,040 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2020-07-07 10:54:35,317 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 259 DAG size of output: 37 [2020-07-07 10:54:36,068 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 64 [2020-07-07 10:54:36,694 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 23 [2020-07-07 10:54:36,908 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:54:38,346 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 278 DAG size of output: 31 [2020-07-07 10:54:38,562 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 27 [2020-07-07 10:54:38,871 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 31 [2020-07-07 10:54:39,087 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 27 [2020-07-07 10:54:39,092 INFO L268 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2020-07-07 10:54:39,092 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 547) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point L537-2(lines 537 558) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 512 567) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point L559(lines 536 560) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 512 567) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 512 567) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point L600(lines 600 604) no Hoare annotation was computed. [2020-07-07 10:54:39,093 INFO L268 CegarLoopResult]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2020-07-07 10:54:39,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 568 627) no Hoare annotation was computed. [2020-07-07 10:54:39,094 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 10:54:39,094 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 619) no Hoare annotation was computed. [2020-07-07 10:54:39,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 568 627) no Hoare annotation was computed. [2020-07-07 10:54:39,094 INFO L268 CegarLoopResult]: For program point L620(lines 593 621) no Hoare annotation was computed. [2020-07-07 10:54:39,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 568 627) no Hoare annotation was computed. [2020-07-07 10:54:39,094 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-07 10:54:39,095 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-07 10:54:39,095 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 1002 1008) the Hoare annotation is: true [2020-07-07 10:54:39,095 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 1002 1008) no Hoare annotation was computed. [2020-07-07 10:54:39,095 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1009 1017) no Hoare annotation was computed. [2020-07-07 10:54:39,095 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1009 1017) the Hoare annotation is: true [2020-07-07 10:54:39,095 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1009 1017) no Hoare annotation was computed. [2020-07-07 10:54:39,096 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 836 843) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:39,096 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 836 843) no Hoare annotation was computed. [2020-07-07 10:54:39,096 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 836 843) no Hoare annotation was computed. [2020-07-07 10:54:39,096 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-07 10:54:39,096 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 844 853) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse4 .cse1 .cse5 .cse6 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse7 .cse1 .cse6 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 .cse7 .cse1 .cse6 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse3))) [2020-07-07 10:54:39,097 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 844 853) no Hoare annotation was computed. [2020-07-07 10:54:39,097 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 844 853) no Hoare annotation was computed. [2020-07-07 10:54:39,097 INFO L264 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 ~systemActive~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse3) (or .cse5 .cse0 .cse8 .cse2) (or .cse8 (not (= 2 ~waterLevel~0)) .cse2) (or .cse5 .cse6 .cse2 .cse3) (or .cse5 (not (<= 0 ~waterLevel~0)) .cse7 .cse4 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:39,097 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-07-07 10:54:39,097 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-07-07 10:54:39,097 INFO L268 CegarLoopResult]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2020-07-07 10:54:39,098 INFO L271 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: true [2020-07-07 10:54:39,098 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-07-07 10:54:39,098 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 854 882) the Hoare annotation is: true [2020-07-07 10:54:39,098 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 854 882) no Hoare annotation was computed. [2020-07-07 10:54:39,098 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 (not (= 0 ~systemActive~0)) .cse2) (or (not (<= 0 ~waterLevel~0)) .cse5 .cse4 (not (<= ~waterLevel~0 0)) .cse3) (or .cse6 .cse5 .cse4 .cse3) (or .cse6 .cse2 .cse3))) [2020-07-07 10:54:39,098 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-07 10:54:39,098 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-07-07 10:54:39,099 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 960 982) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,099 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 960 982) no Hoare annotation was computed. [2020-07-07 10:54:39,099 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 960 982) no Hoare annotation was computed. [2020-07-07 10:54:39,099 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-07 10:54:39,099 INFO L264 CegarLoopResult]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-07 10:54:39,099 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-07 10:54:39,099 INFO L268 CegarLoopResult]: For program point L970-1(lines 970 977) no Hoare annotation was computed. [2020-07-07 10:54:39,099 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-07 10:54:39,099 INFO L264 CegarLoopResult]: At program point L967(line 967) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,100 INFO L264 CegarLoopResult]: At program point L966(line 966) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,100 INFO L264 CegarLoopResult]: At program point L966-1(line 966) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,100 INFO L268 CegarLoopResult]: For program point L929(line 929) no Hoare annotation was computed. [2020-07-07 10:54:39,100 INFO L268 CegarLoopResult]: For program point L928(line 928) no Hoare annotation was computed. [2020-07-07 10:54:39,100 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 915 938) no Hoare annotation was computed. [2020-07-07 10:54:39,100 INFO L268 CegarLoopResult]: For program point L927(line 927) no Hoare annotation was computed. [2020-07-07 10:54:39,100 INFO L268 CegarLoopResult]: For program point L926(line 926) no Hoare annotation was computed. [2020-07-07 10:54:39,100 INFO L268 CegarLoopResult]: For program point L925(line 925) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 915 938) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 915 938) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-07-07 10:54:39,101 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-07 10:54:39,102 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-07 10:54:39,102 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-07 10:54:39,102 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-07 10:54:39,102 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 444 458) no Hoare annotation was computed. [2020-07-07 10:54:39,102 INFO L268 CegarLoopResult]: For program point L448(lines 448 454) no Hoare annotation was computed. [2020-07-07 10:54:39,102 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 444 458) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 |old(~systemActive~0)|)) (.cse2 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-07 10:54:39,102 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 444 458) no Hoare annotation was computed. [2020-07-07 10:54:39,103 INFO L264 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3))) [2020-07-07 10:54:39,103 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2020-07-07 10:54:39,103 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2020-07-07 10:54:39,103 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2020-07-07 10:54:39,103 INFO L271 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: true [2020-07-07 10:54:39,103 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2020-07-07 10:54:39,103 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-07 10:54:39,103 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 425 443) the Hoare annotation is: true [2020-07-07 10:54:39,103 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 425 443) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 425 443) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 370 405) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 370 405) no Hoare annotation was computed. [2020-07-07 10:54:39,104 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 370 405) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 995 1001) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 995 1001) the Hoare annotation is: true [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 466 511) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 466 511) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 466 511) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point L799(lines 799 806) no Hoare annotation was computed. [2020-07-07 10:54:39,105 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 779 824) no Hoare annotation was computed. [2020-07-07 10:54:39,106 INFO L268 CegarLoopResult]: For program point L793(lines 793 813) no Hoare annotation was computed. [2020-07-07 10:54:39,106 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 813) no Hoare annotation was computed. [2020-07-07 10:54:39,106 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 779 824) no Hoare annotation was computed. [2020-07-07 10:54:39,106 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 779 824) no Hoare annotation was computed. [2020-07-07 10:54:39,106 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 946 956) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,106 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 946 956) no Hoare annotation was computed. [2020-07-07 10:54:39,106 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,106 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 946 956) no Hoare annotation was computed. [2020-07-07 10:54:39,107 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 350 360) the Hoare annotation is: true [2020-07-07 10:54:39,107 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2020-07-07 10:54:39,107 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2020-07-07 10:54:39,107 INFO L271 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: true [2020-07-07 10:54:39,107 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-07-07 10:54:39,107 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 342 349) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:54:39,107 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2020-07-07 10:54:39,107 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2020-07-07 10:54:39,107 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-07 10:54:39,108 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-07 10:54:39,108 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-07 10:54:39,108 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-07 10:54:39,108 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2020-07-07 10:54:39,108 INFO L264 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:39,108 INFO L268 CegarLoopResult]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2020-07-07 10:54:39,108 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 291 315) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse2) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2))) [2020-07-07 10:54:39,109 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse2 .cse5 .cse3 .cse4 .cse1) (or .cse5 .cse0 .cse1))) [2020-07-07 10:54:39,109 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1))) [2020-07-07 10:54:39,109 INFO L268 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-07-07 10:54:39,109 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse0 .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1))) [2020-07-07 10:54:39,109 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-07-07 10:54:39,109 INFO L268 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2020-07-07 10:54:39,109 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2020-07-07 10:54:39,110 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2020-07-07 10:54:39,110 INFO L264 CegarLoopResult]: At program point testENTRY(lines 154 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,110 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse7) (and .cse6 .cse0 .cse4 .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse5) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse5 .cse7))) [2020-07-07 10:54:39,110 INFO L268 CegarLoopResult]: For program point L184(lines 184 190) no Hoare annotation was computed. [2020-07-07 10:54:39,110 INFO L268 CegarLoopResult]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2020-07-07 10:54:39,110 INFO L268 CegarLoopResult]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2020-07-07 10:54:39,110 INFO L264 CegarLoopResult]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:54:39,111 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse2 .cse3))) [2020-07-07 10:54:39,111 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-07 10:54:39,111 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2020-07-07 10:54:39,111 INFO L268 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2020-07-07 10:54:39,111 INFO L264 CegarLoopResult]: At program point L212(lines 163 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,111 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse3) (not (< 0 |old(~waterLevel~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 (<= ~waterLevel~0 1)) (and .cse0 .cse4 .cse2))) [2020-07-07 10:54:39,111 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L264 CegarLoopResult]: At program point L200-1(lines 194 207) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4 .cse7) (and .cse6 .cse0 .cse3 .cse4 .cse7) (and .cse0 .cse2 .cse5 .cse4) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse4 .cse7))) [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point L165(lines 164 211) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 733 778) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 733 778) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point L753(lines 753 760) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 733 778) no Hoare annotation was computed. [2020-07-07 10:54:39,112 INFO L268 CegarLoopResult]: For program point L747(lines 747 767) no Hoare annotation was computed. [2020-07-07 10:54:39,113 INFO L268 CegarLoopResult]: For program point L747-1(lines 747 767) no Hoare annotation was computed. [2020-07-07 10:54:39,113 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:39,113 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2020-07-07 10:54:39,113 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2020-07-07 10:54:39,113 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:54:39,113 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-07 10:54:39,113 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-07 10:54:39,113 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:54:39,113 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 630 732) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point L700(lines 678 701) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point L659(lines 659 675) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-07-07 10:54:39,114 INFO L268 CegarLoopResult]: For program point L680(lines 679 699) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 630 732) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L676(lines 676 717) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 630 732) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L718(lines 718 729) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-07-07 10:54:39,115 INFO L268 CegarLoopResult]: For program point L679-2(lines 679 699) no Hoare annotation was computed. [2020-07-07 10:54:39,116 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 985 994) no Hoare annotation was computed. [2020-07-07 10:54:39,116 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 985 994) no Hoare annotation was computed. [2020-07-07 10:54:39,116 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 985 994) no Hoare annotation was computed. [2020-07-07 10:54:39,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:39,116 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:54:39,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:39,117 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:39,117 INFO L268 CegarLoopResult]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2020-07-07 10:54:39,117 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-07-07 10:54:39,117 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2020-07-07 10:54:39,117 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:39,117 INFO L268 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-07-07 10:54:39,117 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 325 341) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:39,117 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-07 10:54:39,118 INFO L271 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: true [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-07 10:54:39,118 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2020-07-07 10:54:39,118 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-07 10:54:39,119 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse3) (or .cse5 .cse0 .cse3 .cse4) (or (not (<= 0 ~waterLevel~0)) .cse0 .cse6 .cse7 (not (<= ~waterLevel~0 0)) .cse4))) [2020-07-07 10:54:39,119 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-07 10:54:39,119 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:39,119 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:54:39,119 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:39,119 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-07 10:54:39,119 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-07 10:54:39,119 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-07 10:54:39,120 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse3 (not (<= 0 |old(~waterLevel~0)|))) (or (and .cse0 .cse9) .cse2 .cse4 .cse10 .cse3) (or .cse5 (not (<= |old(~waterLevel~0)| 1)) (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 (not (< 0 |old(~waterLevel~0)|)) .cse3) (or .cse6 .cse4 .cse10 (and .cse7 .cse8 .cse1) .cse3))) [2020-07-07 10:54:39,120 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse1 (and .cse4 .cse11)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5) .cse3 (not (= 1 |old(~waterLevel~0)|)) .cse6) (or .cse7 .cse8 (not (<= |old(~waterLevel~0)| 0)) (and .cse9 .cse10 .cse11) .cse6 (not (<= 0 |old(~waterLevel~0)|))) (or .cse1 (and .cse11 (<= 1 ~pumpRunning~0)) .cse3 .cse12 .cse13 .cse6) (or .cse8 .cse12 .cse13 (and .cse9 .cse10 .cse5) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) .cse6) (or .cse7 .cse0 (and .cse9 .cse10 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse8 (not (< 0 |old(~waterLevel~0)|)) .cse6) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3)))) [2020-07-07 10:54:39,120 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 230 256) the Hoare annotation is: (let ((.cse9 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse9 .cse10)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse5 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse8 .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) .cse4 (not (<= 0 |old(~waterLevel~0)|)))))) [2020-07-07 10:54:39,121 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse1) (or .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse6 .cse0 (not (<= |old(~waterLevel~0)| 0)) .cse2 .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 .cse1 .cse3 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (< 0 |old(~waterLevel~0)|)) .cse2 .cse4))) [2020-07-07 10:54:39,121 INFO L268 CegarLoopResult]: For program point L237(lines 233 255) no Hoare annotation was computed. [2020-07-07 10:54:39,121 INFO L268 CegarLoopResult]: For program point L235(lines 233 255) no Hoare annotation was computed. [2020-07-07 10:54:39,121 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 230 256) no Hoare annotation was computed. [2020-07-07 10:54:39,121 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 230 256) no Hoare annotation was computed. [2020-07-07 10:54:39,121 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-07-07 10:54:39,121 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 885 914) no Hoare annotation was computed. [2020-07-07 10:54:39,121 INFO L271 CegarLoopResult]: At program point L895-2(lines 895 909) the Hoare annotation is: true [2020-07-07 10:54:39,122 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 885 914) the Hoare annotation is: true [2020-07-07 10:54:39,122 INFO L271 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: true [2020-07-07 10:54:39,122 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-07-07 10:54:39,122 INFO L271 CegarLoopResult]: At program point L910(lines 885 914) the Hoare annotation is: true [2020-07-07 10:54:39,122 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-07 10:54:39,122 INFO L268 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2020-07-07 10:54:39,122 INFO L271 CegarLoopResult]: At program point L899-1(lines 899 903) the Hoare annotation is: true [2020-07-07 10:54:39,122 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= 0 |old(~waterLevel~0)|))) [2020-07-07 10:54:39,122 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-07 10:54:39,123 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-07 10:54:39,123 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 939 945) no Hoare annotation was computed. [2020-07-07 10:54:39,123 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 939 945) the Hoare annotation is: true [2020-07-07 10:54:39,123 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:39,123 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:54:39,123 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:54:39,123 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:39,123 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 0 ~waterLevel~0)) .cse3 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse2) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2))) [2020-07-07 10:54:39,124 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 0 ~waterLevel~0)) .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or .cse5 .cse0 .cse1) (or .cse5 .cse2 .cse3 .cse4 .cse1))) [2020-07-07 10:54:39,124 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-07 10:54:39,124 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-07 10:54:39,124 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:39,124 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse4 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:39,124 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-07 10:54:39,124 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-07 10:54:39,125 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-07 10:54:39,125 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-07 10:54:39,125 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-07 10:54:39,125 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-07 10:54:39,125 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 0)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))) (or (= 2 ~waterLevel~0) .cse4 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or (not (= 0 ~systemActive~0)) .cse4 .cse1 .cse7) (or .cse4 .cse1 .cse7 .cse5 .cse3) (or .cse1 .cse7 .cse6 .cse3))) [2020-07-07 10:54:39,125 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 826 833) no Hoare annotation was computed. [2020-07-07 10:54:39,125 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2020-07-07 10:54:39,126 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 826 833) the Hoare annotation is: true [2020-07-07 10:54:39,126 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 826 833) no Hoare annotation was computed. [2020-07-07 10:54:39,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:54:39 BoogieIcfgContainer [2020-07-07 10:54:39,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:54:39,146 INFO L168 Benchmark]: Toolchain (without parser) took 141084.00 ms. Allocated memory was 137.9 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 101.7 MB in the beginning and 1.1 GB in the end (delta: -990.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-07 10:54:39,146 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:54:39,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.37 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 167.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:39,147 INFO L168 Benchmark]: Boogie Preprocessor took 94.32 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:39,148 INFO L168 Benchmark]: RCFGBuilder took 1142.90 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 162.7 MB in the beginning and 189.6 MB in the end (delta: -26.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:39,148 INFO L168 Benchmark]: TraceAbstraction took 139239.05 ms. Allocated memory was 233.3 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 188.2 MB in the beginning and 1.1 GB in the end (delta: -904.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-07 10:54:39,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.37 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 167.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.32 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1142.90 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 162.7 MB in the beginning and 189.6 MB in the end (delta: -26.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 139239.05 ms. Allocated memory was 233.3 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 188.2 MB in the beginning and 1.1 GB in the end (delta: -904.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 92.1s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 74.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 46.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2560 SDtfs, 7014 SDslu, 5016 SDs, 0 SdLazy, 21174 SolverSat, 5170 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3249 GetRequests, 2847 SyntacticMatches, 9 SemanticMatches, 393 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4469 ImplicationChecksByTransitivity, 36.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2679occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 2773 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 5125 PreInvPairs, 5297 NumberOfFragments, 3186 HoareAnnotationTreeSize, 5125 FomulaSimplifications, 997892482 FormulaSimplificationTreeSizeReduction, 13.9s HoareSimplificationTime, 70 FomulaSimplificationsInter, 3360881 FormulaSimplificationTreeSizeReductionInter, 32.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 4485 NumberOfCodeBlocks, 4485 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4465 ConstructedInterpolants, 0 QuantifiedInterpolants, 2577377 SizeOfPredicates, 24 NumberOfNonLiveVariables, 7922 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 3999/4216 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...