/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:08:23,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:08:23,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:08:23,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:08:23,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:08:23,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:08:23,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:08:23,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:08:23,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:08:23,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:08:23,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:08:23,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:08:23,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:08:23,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:08:23,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:08:23,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:08:23,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:08:23,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:08:23,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:08:23,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:08:23,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:08:23,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:08:23,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:08:23,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:08:23,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:08:23,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:08:23,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:08:23,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:08:23,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:08:23,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:08:23,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:08:23,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:08:23,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:08:23,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:08:23,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:08:23,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:08:23,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:08:23,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:08:23,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:08:23,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:08:23,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:08:23,741 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 [2020-07-19 21:08:23,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:08:23,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:08:23,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:08:23,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:08:23,772 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:08:23,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:08:23,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:08:23,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:08:23,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:08:23,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:08:23,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:08:23,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:08:23,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:08:23,773 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:08:23,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:08:23,774 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:08:23,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:08:23,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:08:23,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:08:23,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:08:23,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:08:23,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:08:23,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:08:23,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:08:23,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:08:23,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:08:23,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:08:23,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:08:23,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:08:23,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:08:24,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:08:24,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:08:24,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:08:24,055 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:08:24,055 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:08:24,056 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-19 21:08:24,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076f5505a/fd91116c53554828826924c528834ae8/FLAG6cc9f8450 [2020-07-19 21:08:24,672 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:08:24,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-19 21:08:24,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076f5505a/fd91116c53554828826924c528834ae8/FLAG6cc9f8450 [2020-07-19 21:08:24,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076f5505a/fd91116c53554828826924c528834ae8 [2020-07-19 21:08:24,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:08:24,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:08:24,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:08:24,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:08:24,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:08:24,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:08:24" (1/1) ... [2020-07-19 21:08:24,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b260048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:24, skipping insertion in model container [2020-07-19 21:08:24,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:08:24" (1/1) ... [2020-07-19 21:08:24,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:08:25,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:08:25,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:08:25,481 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:08:25,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:08:25,615 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:08:25,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25 WrapperNode [2020-07-19 21:08:25,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:08:25,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:08:25,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:08:25,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:08:25,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (1/1) ... [2020-07-19 21:08:25,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (1/1) ... [2020-07-19 21:08:25,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (1/1) ... [2020-07-19 21:08:25,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (1/1) ... [2020-07-19 21:08:25,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (1/1) ... [2020-07-19 21:08:25,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (1/1) ... [2020-07-19 21:08:25,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (1/1) ... [2020-07-19 21:08:25,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:08:25,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:08:25,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:08:25,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:08:25,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (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 [2020-07-19 21:08:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:08:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:08:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:08:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:08:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:08:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:08:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:08:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:08:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:08:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:08:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:08:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:08:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:08:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:08:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:08:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:08:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:08:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:08:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:08:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:08:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 21:08:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:08:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:08:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:08:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:08:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:08:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:08:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:08:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:08:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:08:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:08:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:08:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:08:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:08:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:08:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 21:08:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:08:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:08:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:08:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:08:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:08:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:08:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 21:08:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:08:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:08:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:08:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:08:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:08:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:08:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:08:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:08:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:08:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:08:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:08:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:08:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:08:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:08:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:08:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:08:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:08:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:08:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:08:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:08:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:08:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:08:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:08:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:08:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 21:08:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:08:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:08:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:08:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:08:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:08:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:08:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:08:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:08:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:08:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:08:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:08:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:08:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:08:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:08:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:08:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:08:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:08:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:08:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:08:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:08:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 21:08:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 21:08:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:08:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:08:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:08:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:08:26,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:08:26,853 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:08:26,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:08:26 BoogieIcfgContainer [2020-07-19 21:08:26,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:08:26,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:08:26,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:08:26,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:08:26,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:08:24" (1/3) ... [2020-07-19 21:08:26,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34615daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:08:26, skipping insertion in model container [2020-07-19 21:08:26,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:25" (2/3) ... [2020-07-19 21:08:26,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34615daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:08:26, skipping insertion in model container [2020-07-19 21:08:26,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:08:26" (3/3) ... [2020-07-19 21:08:26,866 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-07-19 21:08:26,877 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:08:26,885 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:08:26,899 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:08:26,924 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:08:26,924 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:08:26,924 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:08:26,925 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:08:26,925 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:08:26,925 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:08:26,925 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:08:26,926 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:08:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-19 21:08:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:08:26,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:26,960 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] [2020-07-19 21:08:26,960 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:26,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:26,967 INFO L82 PathProgramCache]: Analyzing trace with hash 479094946, now seen corresponding path program 1 times [2020-07-19 21:08:26,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:26,976 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587541065] [2020-07-19 21:08:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,596 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:27,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587541065] [2020-07-19 21:08:27,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:27,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:08:27,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656302667] [2020-07-19 21:08:27,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:08:27,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:27,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:08:27,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:08:27,729 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 4 states. [2020-07-19 21:08:28,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:28,822 INFO L93 Difference]: Finished difference Result 335 states and 423 transitions. [2020-07-19 21:08:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:08:28,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:08:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:28,839 INFO L225 Difference]: With dead ends: 335 [2020-07-19 21:08:28,839 INFO L226 Difference]: Without dead ends: 183 [2020-07-19 21:08:28,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:08:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-19 21:08:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2020-07-19 21:08:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-19 21:08:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2020-07-19 21:08:28,942 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2020-07-19 21:08:28,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:28,943 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2020-07-19 21:08:28,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:08:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-07-19 21:08:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:08:28,950 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:28,950 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] [2020-07-19 21:08:28,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:08:28,951 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:28,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:28,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1126861649, now seen corresponding path program 1 times [2020-07-19 21:08:28,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:28,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058789379] [2020-07-19 21:08:28,952 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,368 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:29,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058789379] [2020-07-19 21:08:29,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:29,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:08:29,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401478355] [2020-07-19 21:08:29,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:08:29,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:29,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:08:29,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:29,492 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 9 states. [2020-07-19 21:08:29,874 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:30,221 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:08:30,472 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:30,720 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:32,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:32,071 INFO L93 Difference]: Finished difference Result 308 states and 378 transitions. [2020-07-19 21:08:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:08:32,080 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:08:32,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:32,084 INFO L225 Difference]: With dead ends: 308 [2020-07-19 21:08:32,084 INFO L226 Difference]: Without dead ends: 183 [2020-07-19 21:08:32,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:08:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-19 21:08:32,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 153. [2020-07-19 21:08:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-19 21:08:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2020-07-19 21:08:32,157 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 64 [2020-07-19 21:08:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:32,158 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2020-07-19 21:08:32,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:08:32,158 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2020-07-19 21:08:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-19 21:08:32,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:32,172 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] [2020-07-19 21:08:32,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:08:32,172 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:32,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:32,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1745445590, now seen corresponding path program 1 times [2020-07-19 21:08:32,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:32,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977106642] [2020-07-19 21:08:32,173 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,480 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:32,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977106642] [2020-07-19 21:08:32,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:32,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:08:32,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144671241] [2020-07-19 21:08:32,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:08:32,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:32,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:08:32,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:08:32,595 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand 7 states. [2020-07-19 21:08:32,924 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:34,470 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:35,248 INFO L93 Difference]: Finished difference Result 445 states and 574 transitions. [2020-07-19 21:08:35,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:08:35,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-07-19 21:08:35,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:35,260 INFO L225 Difference]: With dead ends: 445 [2020-07-19 21:08:35,260 INFO L226 Difference]: Without dead ends: 320 [2020-07-19 21:08:35,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:08:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-07-19 21:08:35,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 259. [2020-07-19 21:08:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-07-19 21:08:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 309 transitions. [2020-07-19 21:08:35,374 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 309 transitions. Word has length 77 [2020-07-19 21:08:35,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:35,374 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 309 transitions. [2020-07-19 21:08:35,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:08:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 309 transitions. [2020-07-19 21:08:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-19 21:08:35,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:35,377 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] [2020-07-19 21:08:35,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:08:35,377 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:35,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:35,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1775922839, now seen corresponding path program 1 times [2020-07-19 21:08:35,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:35,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583834810] [2020-07-19 21:08:35,378 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,668 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:08:35,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583834810] [2020-07-19 21:08:35,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:35,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:08:35,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795957779] [2020-07-19 21:08:35,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:08:35,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:35,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:08:35,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:35,799 INFO L87 Difference]: Start difference. First operand 259 states and 309 transitions. Second operand 9 states. [2020-07-19 21:08:36,177 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:36,771 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:37,668 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:37,945 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:38,359 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:38,583 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:39,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:39,242 INFO L93 Difference]: Finished difference Result 540 states and 684 transitions. [2020-07-19 21:08:39,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:08:39,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-07-19 21:08:39,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:39,247 INFO L225 Difference]: With dead ends: 540 [2020-07-19 21:08:39,248 INFO L226 Difference]: Without dead ends: 309 [2020-07-19 21:08:39,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:08:39,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-19 21:08:39,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 258. [2020-07-19 21:08:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-07-19 21:08:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 306 transitions. [2020-07-19 21:08:39,305 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 306 transitions. Word has length 91 [2020-07-19 21:08:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:39,306 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 306 transitions. [2020-07-19 21:08:39,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:08:39,306 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 306 transitions. [2020-07-19 21:08:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 21:08:39,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:39,308 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] [2020-07-19 21:08:39,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:08:39,309 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:39,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:39,310 INFO L82 PathProgramCache]: Analyzing trace with hash 534241489, now seen corresponding path program 1 times [2020-07-19 21:08:39,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:39,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115946439] [2020-07-19 21:08:39,310 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,609 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:39,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115946439] [2020-07-19 21:08:39,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:39,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 21:08:39,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384312782] [2020-07-19 21:08:39,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:08:39,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:39,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:08:39,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:08:39,780 INFO L87 Difference]: Start difference. First operand 258 states and 306 transitions. Second operand 10 states. [2020-07-19 21:08:40,361 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:40,957 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:41,218 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:41,451 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:41,681 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:42,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:42,554 INFO L93 Difference]: Finished difference Result 502 states and 624 transitions. [2020-07-19 21:08:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 21:08:42,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-07-19 21:08:42,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:42,556 INFO L225 Difference]: With dead ends: 502 [2020-07-19 21:08:42,557 INFO L226 Difference]: Without dead ends: 272 [2020-07-19 21:08:42,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:08:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-07-19 21:08:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 233. [2020-07-19 21:08:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-07-19 21:08:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 264 transitions. [2020-07-19 21:08:42,611 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 264 transitions. Word has length 103 [2020-07-19 21:08:42,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:42,612 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 264 transitions. [2020-07-19 21:08:42,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:08:42,612 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2020-07-19 21:08:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:08:42,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:42,614 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] [2020-07-19 21:08:42,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:08:42,615 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:42,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:42,615 INFO L82 PathProgramCache]: Analyzing trace with hash 697480839, now seen corresponding path program 1 times [2020-07-19 21:08:42,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:42,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749353561] [2020-07-19 21:08:42,616 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,107 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:43,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749353561] [2020-07-19 21:08:43,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:43,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:08:43,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956879336] [2020-07-19 21:08:43,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:08:43,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:43,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:08:43,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:08:43,382 INFO L87 Difference]: Start difference. First operand 233 states and 264 transitions. Second operand 11 states. [2020-07-19 21:08:44,043 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:44,282 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:44,499 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:45,180 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:45,421 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:45,652 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:46,540 INFO L93 Difference]: Finished difference Result 482 states and 584 transitions. [2020-07-19 21:08:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:08:46,541 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-19 21:08:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:46,544 INFO L225 Difference]: With dead ends: 482 [2020-07-19 21:08:46,544 INFO L226 Difference]: Without dead ends: 277 [2020-07-19 21:08:46,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:08:46,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-07-19 21:08:46,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 237. [2020-07-19 21:08:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-07-19 21:08:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 268 transitions. [2020-07-19 21:08:46,587 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 268 transitions. Word has length 107 [2020-07-19 21:08:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:46,588 INFO L479 AbstractCegarLoop]: Abstraction has 237 states and 268 transitions. [2020-07-19 21:08:46,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:08:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 268 transitions. [2020-07-19 21:08:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:08:46,589 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:46,590 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] [2020-07-19 21:08:46,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:08:46,590 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:46,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:46,591 INFO L82 PathProgramCache]: Analyzing trace with hash 456940710, now seen corresponding path program 1 times [2020-07-19 21:08:46,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:46,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636289529] [2020-07-19 21:08:46,591 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,887 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:47,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636289529] [2020-07-19 21:08:47,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:47,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:08:47,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215514426] [2020-07-19 21:08:47,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:08:47,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:47,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:08:47,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:08:47,070 INFO L87 Difference]: Start difference. First operand 237 states and 268 transitions. Second operand 7 states. [2020-07-19 21:08:47,398 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:47,909 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:49,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:49,537 INFO L93 Difference]: Finished difference Result 651 states and 808 transitions. [2020-07-19 21:08:49,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:08:49,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-07-19 21:08:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:49,542 INFO L225 Difference]: With dead ends: 651 [2020-07-19 21:08:49,542 INFO L226 Difference]: Without dead ends: 442 [2020-07-19 21:08:49,543 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 [2020-07-19 21:08:49,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-07-19 21:08:49,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 404. [2020-07-19 21:08:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-07-19 21:08:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 472 transitions. [2020-07-19 21:08:49,605 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 472 transitions. Word has length 107 [2020-07-19 21:08:49,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:49,606 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 472 transitions. [2020-07-19 21:08:49,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:08:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 472 transitions. [2020-07-19 21:08:49,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-19 21:08:49,608 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:49,608 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] [2020-07-19 21:08:49,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:08:49,609 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:49,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:49,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1562894580, now seen corresponding path program 1 times [2020-07-19 21:08:49,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:49,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284341393] [2020-07-19 21:08:49,610 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:49,914 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:50,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:50,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284341393] [2020-07-19 21:08:50,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:50,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:08:50,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533938079] [2020-07-19 21:08:50,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:08:50,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:50,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:08:50,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:08:50,131 INFO L87 Difference]: Start difference. First operand 404 states and 472 transitions. Second operand 12 states. [2020-07-19 21:08:50,679 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:51,377 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:52,311 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:52,612 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:52,866 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:53,127 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:53,400 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:54,682 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:54,931 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:55,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:55,636 INFO L93 Difference]: Finished difference Result 1116 states and 1385 transitions. [2020-07-19 21:08:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:08:55,637 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-19 21:08:55,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:55,641 INFO L225 Difference]: With dead ends: 1116 [2020-07-19 21:08:55,642 INFO L226 Difference]: Without dead ends: 810 [2020-07-19 21:08:55,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:08:55,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2020-07-19 21:08:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 700. [2020-07-19 21:08:55,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-07-19 21:08:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 810 transitions. [2020-07-19 21:08:55,752 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 810 transitions. Word has length 111 [2020-07-19 21:08:55,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:55,752 INFO L479 AbstractCegarLoop]: Abstraction has 700 states and 810 transitions. [2020-07-19 21:08:55,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:08:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 810 transitions. [2020-07-19 21:08:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-19 21:08:55,755 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:55,756 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] [2020-07-19 21:08:55,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:08:55,756 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:55,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:55,757 INFO L82 PathProgramCache]: Analyzing trace with hash 903450751, now seen corresponding path program 1 times [2020-07-19 21:08:55,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:55,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213581633] [2020-07-19 21:08:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:08:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,082 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 21:08:56,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213581633] [2020-07-19 21:08:56,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401373719] [2020-07-19 21:08:56,540 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f 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 [2020-07-19 21:08:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:56,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:08:56,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:08:57,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:08:57,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:08:57,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031622116] [2020-07-19 21:08:57,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:08:57,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:57,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:08:57,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:08:57,127 INFO L87 Difference]: Start difference. First operand 700 states and 810 transitions. Second operand 20 states. [2020-07-19 21:08:58,135 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:58,508 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 21:08:58,770 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:59,019 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:59,671 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 21:08:59,951 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:00,386 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-19 21:09:01,219 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-19 21:09:01,957 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:02,441 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:09:02,914 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:03,191 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:03,530 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:09:04,178 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:04,628 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:09:05,107 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:05,874 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:09:06,194 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:06,814 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:07,313 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:07,615 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:07,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:07,923 INFO L93 Difference]: Finished difference Result 1531 states and 1833 transitions. [2020-07-19 21:09:07,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-19 21:09:07,924 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-07-19 21:09:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:07,930 INFO L225 Difference]: With dead ends: 1531 [2020-07-19 21:09:07,931 INFO L226 Difference]: Without dead ends: 925 [2020-07-19 21:09:07,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-07-19 21:09:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-07-19 21:09:08,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 830. [2020-07-19 21:09:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2020-07-19 21:09:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 969 transitions. [2020-07-19 21:09:08,076 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 969 transitions. Word has length 172 [2020-07-19 21:09:08,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:08,076 INFO L479 AbstractCegarLoop]: Abstraction has 830 states and 969 transitions. [2020-07-19 21:09:08,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:09:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 969 transitions. [2020-07-19 21:09:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-07-19 21:09:08,083 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:08,083 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:09:08,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:09:08,297 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:08,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:08,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1791991912, now seen corresponding path program 1 times [2020-07-19 21:09:08,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:08,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043565949] [2020-07-19 21:09:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:09:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,616 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-07-19 21:09:09,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043565949] [2020-07-19 21:09:09,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696787690] [2020-07-19 21:09:09,252 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f 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 [2020-07-19 21:09:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:09,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:09:09,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-19 21:09:09,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:09,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-19 21:09:09,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656502196] [2020-07-19 21:09:09,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 21:09:09,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:09,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 21:09:10,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:09:10,002 INFO L87 Difference]: Start difference. First operand 830 states and 969 transitions. Second operand 24 states. [2020-07-19 21:09:10,645 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:11,473 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:12,150 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:12,863 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:13,386 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:09:13,888 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:09:14,146 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:14,472 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:14,739 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:17,951 INFO L93 Difference]: Finished difference Result 1970 states and 2592 transitions. [2020-07-19 21:09:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 21:09:17,952 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 303 [2020-07-19 21:09:17,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:17,960 INFO L225 Difference]: With dead ends: 1970 [2020-07-19 21:09:17,960 INFO L226 Difference]: Without dead ends: 1187 [2020-07-19 21:09:17,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 413 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-19 21:09:17,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2020-07-19 21:09:18,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 838. [2020-07-19 21:09:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-07-19 21:09:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 964 transitions. [2020-07-19 21:09:18,118 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 964 transitions. Word has length 303 [2020-07-19 21:09:18,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:18,119 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 964 transitions. [2020-07-19 21:09:18,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 21:09:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 964 transitions. [2020-07-19 21:09:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-07-19 21:09:18,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:18,127 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] [2020-07-19 21:09:18,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:09:18,340 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:18,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:18,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2036762078, now seen corresponding path program 1 times [2020-07-19 21:09:18,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:18,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699898566] [2020-07-19 21:09:18,342 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:09:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,685 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2020-07-19 21:09:19,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699898566] [2020-07-19 21:09:19,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288232255] [2020-07-19 21:09:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f 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 [2020-07-19 21:09:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:19,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 21:09:19,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 250 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-19 21:09:19,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:19,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 21:09:19,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464224668] [2020-07-19 21:09:19,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:09:19,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:19,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:09:19,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:09:19,956 INFO L87 Difference]: Start difference. First operand 838 states and 964 transitions. Second operand 22 states. [2020-07-19 21:09:21,262 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:09:21,953 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:09:22,456 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:22,943 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:23,841 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:09:24,948 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:09:25,452 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:09:25,960 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:26,614 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:27,436 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:27,683 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:28,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:28,338 INFO L93 Difference]: Finished difference Result 1626 states and 1926 transitions. [2020-07-19 21:09:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:09:28,339 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-07-19 21:09:28,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:28,348 INFO L225 Difference]: With dead ends: 1626 [2020-07-19 21:09:28,349 INFO L226 Difference]: Without dead ends: 901 [2020-07-19 21:09:28,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 21:09:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-07-19 21:09:28,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 838. [2020-07-19 21:09:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-07-19 21:09:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 961 transitions. [2020-07-19 21:09:28,559 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 961 transitions. Word has length 319 [2020-07-19 21:09:28,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:28,560 INFO L479 AbstractCegarLoop]: Abstraction has 838 states and 961 transitions. [2020-07-19 21:09:28,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:09:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 961 transitions. [2020-07-19 21:09:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-19 21:09:28,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:28,565 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] [2020-07-19 21:09:28,778 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:09:28,779 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:28,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:28,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1411306482, now seen corresponding path program 1 times [2020-07-19 21:09:28,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:28,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308544538] [2020-07-19 21:09:28,780 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:09:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,069 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,451 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-07-19 21:09:29,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308544538] [2020-07-19 21:09:29,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671500294] [2020-07-19 21:09:29,452 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f 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 [2020-07-19 21:09:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:29,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 21:09:29,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 177 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-19 21:09:29,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:29,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 17 [2020-07-19 21:09:29,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618255442] [2020-07-19 21:09:29,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 21:09:29,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:29,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 21:09:29,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:09:29,899 INFO L87 Difference]: Start difference. First operand 838 states and 961 transitions. Second operand 17 states. [2020-07-19 21:09:30,496 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:31,222 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:32,994 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:33,257 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:09:33,516 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:33,768 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:34,421 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:34,733 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:35,025 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:09:35,291 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:35,540 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:37,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:37,550 INFO L93 Difference]: Finished difference Result 2068 states and 2568 transitions. [2020-07-19 21:09:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-19 21:09:37,551 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 320 [2020-07-19 21:09:37,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:37,559 INFO L225 Difference]: With dead ends: 2068 [2020-07-19 21:09:37,559 INFO L226 Difference]: Without dead ends: 1343 [2020-07-19 21:09:37,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=709, Invalid=2047, Unknown=0, NotChecked=0, Total=2756 [2020-07-19 21:09:37,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-07-19 21:09:37,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1082. [2020-07-19 21:09:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-07-19 21:09:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1243 transitions. [2020-07-19 21:09:37,827 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1243 transitions. Word has length 320 [2020-07-19 21:09:37,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:37,829 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1243 transitions. [2020-07-19 21:09:37,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 21:09:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1243 transitions. [2020-07-19 21:09:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-19 21:09:37,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:37,834 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] [2020-07-19 21:09:38,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:38,048 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:38,049 INFO L82 PathProgramCache]: Analyzing trace with hash 465719961, now seen corresponding path program 1 times [2020-07-19 21:09:38,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:38,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936638517] [2020-07-19 21:09:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f [2020-07-19 21:09:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,380 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 24 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-07-19 21:09:39,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936638517] [2020-07-19 21:09:39,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532476967] [2020-07-19 21:09:39,078 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4ef9af6f 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 [2020-07-19 21:09:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:39,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-19 21:09:39,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 227 proven. 49 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-07-19 21:09:39,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:39,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 26 [2020-07-19 21:09:39,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249428509] [2020-07-19 21:09:39,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-19 21:09:39,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-19 21:09:39,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2020-07-19 21:09:39,762 INFO L87 Difference]: Start difference. First operand 1082 states and 1243 transitions. Second operand 26 states. [2020-07-19 21:09:40,500 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:09:41,327 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:09:42,676 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:43,041 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:43,320 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:44,599 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 21:09:45,660 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-19 21:09:46,189 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-19 21:09:46,712 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 21:09:47,188 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 21:09:48,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:48,151 INFO L93 Difference]: Finished difference Result 1212 states and 1418 transitions. [2020-07-19 21:09:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-19 21:09:48,152 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 388 [2020-07-19 21:09:48,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:48,153 INFO L225 Difference]: With dead ends: 1212 [2020-07-19 21:09:48,153 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:09:48,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=603, Invalid=2589, Unknown=0, NotChecked=0, Total=3192 [2020-07-19 21:09:48,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:09:48,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:09:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:09:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:09:48,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-07-19 21:09:48,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:48,159 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:09:48,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-19 21:09:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:09:48,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:09:48,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 21:09:48,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:09:48,631 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 239 [2020-07-19 21:09:49,867 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 311 [2020-07-19 21:09:50,338 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 246 [2020-07-19 21:09:53,746 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 296 [2020-07-19 21:09:54,561 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 302 [2020-07-19 21:09:55,502 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-19 21:09:56,677 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-19 21:09:56,865 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 21:09:57,258 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-07-19 21:09:57,864 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 32 [2020-07-19 21:09:58,381 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 56 [2020-07-19 21:09:58,520 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 21:09:59,076 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 31 [2020-07-19 21:09:59,381 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 31 [2020-07-19 21:09:59,544 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-19 21:09:59,731 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-19 21:09:59,917 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-19 21:10:00,123 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:10:00,764 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-07-19 21:10:02,051 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 214 DAG size of output: 42 [2020-07-19 21:10:02,213 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-19 21:10:02,459 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-19 21:10:03,650 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 200 DAG size of output: 35 [2020-07-19 21:10:04,773 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 170 DAG size of output: 33 [2020-07-19 21:10:04,974 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 21:10:05,168 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 21:10:06,579 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 182 DAG size of output: 36 [2020-07-19 21:10:06,762 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-19 21:10:07,131 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 40 [2020-07-19 21:10:08,299 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 201 DAG size of output: 34 [2020-07-19 21:10:08,492 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-19 21:10:09,694 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 176 DAG size of output: 32 [2020-07-19 21:10:09,865 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 21:10:10,050 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-19 21:10:10,836 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 21 [2020-07-19 21:10:11,409 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 31 [2020-07-19 21:10:11,869 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 52 [2020-07-19 21:10:12,044 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 21:10:12,238 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-19 21:10:12,435 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-19 21:10:13,401 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-19 21:10:13,575 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 21:10:13,754 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 21:10:13,929 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 21:10:14,138 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-19 21:10:15,160 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 30 [2020-07-19 21:10:15,824 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 34 [2020-07-19 21:10:16,432 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 32 [2020-07-19 21:10:17,027 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 30 [2020-07-19 21:10:17,238 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:10:17,701 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-07-19 21:10:17,898 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-07-19 21:10:18,091 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-19 21:10:19,073 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 33 [2020-07-19 21:10:19,203 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-19 21:10:19,208 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-19 21:10:19,208 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-07-19 21:10:19,208 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-19 21:10:19,208 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-07-19 21:10:19,208 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-19 21:10:19,209 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-07-19 21:10:19,210 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-07-19 21:10:19,210 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-07-19 21:10:19,210 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-07-19 21:10:19,210 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 21:10:19,210 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-19 21:10:19,210 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-19 21:10:19,210 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-19 21:10:19,211 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-19 21:10:19,211 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-19 21:10:19,211 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-19 21:10:19,211 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,211 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2020-07-19 21:10:19,211 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2020-07-19 21:10:19,212 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse4 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3))) [2020-07-19 21:10:19,212 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2020-07-19 21:10:19,212 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-19 21:10:19,212 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2020-07-19 21:10:19,212 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.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 (not (<= 0 ~waterLevel~0)) .cse5 .cse4 (not (<= ~waterLevel~0 0)) .cse3) (or .cse6 .cse5 .cse4 .cse3) (or .cse6 .cse2 .cse3))) [2020-07-19 21:10:19,212 INFO L268 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-07-19 21:10:19,213 INFO L268 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-07-19 21:10:19,213 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0)) (.cse5 (not (= 1 ~waterLevel~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse4 .cse6 .cse7 (not (<= ~waterLevel~0 0)) .cse3) (or .cse0 .cse1 .cse7 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3))) [2020-07-19 21:10:19,213 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-19 21:10:19,213 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-19 21:10:19,213 INFO L268 CegarLoopResult]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2020-07-19 21:10:19,213 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-19 21:10:19,214 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-19 21:10:19,214 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2020-07-19 21:10:19,214 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2020-07-19 21:10:19,214 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,214 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2020-07-19 21:10:19,214 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,215 INFO L264 CegarLoopResult]: At program point L178-1(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 main_~tmp~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,215 INFO L268 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-07-19 21:10:19,215 INFO L268 CegarLoopResult]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2020-07-19 21:10:19,215 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-19 21:10:19,215 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,215 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2020-07-19 21:10:19,216 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,216 INFO L264 CegarLoopResult]: At program point L172-1(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,216 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-19 21:10:19,216 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-19 21:10:19,216 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-07-19 21:10:19,216 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 21:10:19,216 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-07-19 21:10:19,216 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-19 21:10:19,217 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point L989(lines 989 993) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L271 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: true [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point L987-1(line 987) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2020-07-19 21:10:19,218 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point L944(lines 944 952) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 925 960) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 925 960) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 925 960) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-07-19 21:10:19,219 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-07-19 21:10:19,220 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,220 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2020-07-19 21:10:19,221 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2020-07-19 21:10:19,221 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2020-07-19 21:10:19,222 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2020-07-19 21:10:19,222 INFO L264 CegarLoopResult]: At program point L865(line 865) 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))) [2020-07-19 21:10:19,222 INFO L268 CegarLoopResult]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2020-07-19 21:10:19,222 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~7))) (.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 .cse5 .cse2 .cse3 .cse4 .cse1) (or .cse5 .cse0 .cse1))) [2020-07-19 21:10:19,222 INFO L264 CegarLoopResult]: At program point L856(line 856) 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))) [2020-07-19 21:10:19,222 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2020-07-19 21:10:19,222 INFO L268 CegarLoopResult]: For program point L854(lines 854 862) no Hoare annotation was computed. [2020-07-19 21:10:19,222 INFO L264 CegarLoopResult]: At program point L852(line 852) 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))) [2020-07-19 21:10:19,223 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 846 870) 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))) [2020-07-19 21:10:19,223 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-19 21:10:19,223 INFO L268 CegarLoopResult]: For program point L850(lines 850 867) no Hoare annotation was computed. [2020-07-19 21:10:19,223 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2020-07-19 21:10:19,223 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2020-07-19 21:10:19,223 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse4 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not .cse2))) [2020-07-19 21:10:19,223 INFO L264 CegarLoopResult]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 1) .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse4 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not .cse2))) [2020-07-19 21:10:19,224 INFO L264 CegarLoopResult]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,224 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-07-19 21:10:19,224 INFO L268 CegarLoopResult]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2020-07-19 21:10:19,224 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-07-19 21:10:19,224 INFO L268 CegarLoopResult]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2020-07-19 21:10:19,224 INFO L264 CegarLoopResult]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:10:19,224 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-19 21:10:19,224 INFO L264 CegarLoopResult]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) (not (= 1 ~systemActive~0)))) [2020-07-19 21:10:19,225 INFO L268 CegarLoopResult]: For program point L726(lines 725 770) no Hoare annotation was computed. [2020-07-19 21:10:19,225 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-07-19 21:10:19,225 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) (not (= 1 ~systemActive~0)))) [2020-07-19 21:10:19,225 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-07-19 21:10:19,225 INFO L268 CegarLoopResult]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2020-07-19 21:10:19,225 INFO L268 CegarLoopResult]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2020-07-19 21:10:19,225 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-19 21:10:19,225 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-19 21:10:19,226 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-19 21:10:19,226 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-07-19 21:10:19,226 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-07-19 21:10:19,226 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-07-19 21:10:19,226 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) 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))) [2020-07-19 21:10:19,226 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2020-07-19 21:10:19,226 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2020-07-19 21:10:19,226 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 243 265) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 243 265) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 243 265) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-19 21:10:19,227 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-19 21:10:19,228 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-07-19 21:10:19,229 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:10:19,230 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.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)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:10:19,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:10:19,230 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2020-07-19 21:10:19,230 INFO L264 CegarLoopResult]: At program point L891(line 891) 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))) [2020-07-19 21:10:19,230 INFO L268 CegarLoopResult]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2020-07-19 21:10:19,230 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 896) 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))) [2020-07-19 21:10:19,230 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-07-19 21:10:19,231 INFO L264 CegarLoopResult]: At program point L885(line 885) 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))) [2020-07-19 21:10:19,231 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-07-19 21:10:19,231 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2020-07-19 21:10:19,231 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-19 21:10:19,231 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-19 21:10:19,231 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2020-07-19 21:10:19,231 INFO L268 CegarLoopResult]: For program point L970(lines 970 974) no Hoare annotation was computed. [2020-07-19 21:10:19,231 INFO L271 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: true [2020-07-19 21:10:19,231 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2020-07-19 21:10:19,231 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-19 21:10:19,232 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2020-07-19 21:10:19,232 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2020-07-19 21:10:19,232 INFO L268 CegarLoopResult]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2020-07-19 21:10:19,232 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 0 ~waterLevel~0)) .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse1 (not (= 2 ~waterLevel~0)) .cse4 .cse3) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse4 .cse3))) [2020-07-19 21:10:19,232 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2020-07-19 21:10:19,232 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:10:19,232 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:10:19,232 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:10:19,233 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or (and .cse0 .cse9) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse7 .cse8 .cse1) .cse4))) [2020-07-19 21:10:19,233 INFO L264 CegarLoopResult]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) (and .cse7 .cse8 .cse9) .cse4 (not (<= 0 |old(~waterLevel~0)|))) (or .cse5 (and .cse7 .cse8 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6 .cse3 .cse4) (or .cse6 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1) (and .cse7 .cse8 .cse1) .cse4) (or (and .cse0 .cse9) (and .cse9 (<= 1 ~pumpRunning~0)) (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse4))) [2020-07-19 21:10:19,233 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 (not (<= 0 |old(~waterLevel~0)|))))) [2020-07-19 21:10:19,234 INFO L268 CegarLoopResult]: For program point L792(lines 788 810) no Hoare annotation was computed. [2020-07-19 21:10:19,234 INFO L268 CegarLoopResult]: For program point L790(lines 788 810) no Hoare annotation was computed. [2020-07-19 21:10:19,234 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and (= 0 ~pumpRunning~0) .cse6 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4 .cse5 .cse2 (not (<= 0 |old(~waterLevel~0)|))) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-07-19 21:10:19,234 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2020-07-19 21:10:19,234 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2020-07-19 21:10:19,234 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-07-19 21:10:19,234 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-07-19 21:10:19,234 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-07-19 21:10:19,234 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-07-19 21:10:19,235 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-07-19 21:10:19,235 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-07-19 21:10:19,235 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-07-19 21:10:19,235 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-19 21:10:19,235 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-07-19 21:10:19,235 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-19 21:10:19,235 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2020-07-19 21:10:19,235 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2020-07-19 21:10:19,236 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2020-07-19 21:10:19,236 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 198 209) 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)|))) [2020-07-19 21:10:19,236 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2020-07-19 21:10:19,236 INFO L268 CegarLoopResult]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2020-07-19 21:10:19,236 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-07-19 21:10:19,236 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-07-19 21:10:19,236 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:10:19,236 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:10:19,236 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:10:19,237 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:10:19,237 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) 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))) [2020-07-19 21:10:19,237 INFO L264 CegarLoopResult]: At program point L830(line 830) 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))) [2020-07-19 21:10:19,237 INFO L268 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-07-19 21:10:19,237 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2020-07-19 21:10:19,237 INFO L264 CegarLoopResult]: At program point L826(line 826) 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))) [2020-07-19 21:10:19,238 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-19 21:10:19,238 INFO L268 CegarLoopResult]: For program point L824(lines 824 841) no Hoare annotation was computed. [2020-07-19 21:10:19,238 INFO L264 CegarLoopResult]: At program point L839(line 839) 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))) [2020-07-19 21:10:19,238 INFO L268 CegarLoopResult]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2020-07-19 21:10:19,238 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse4 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse5 (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 .cse0 .cse4 .cse5 .cse3) (or .cse4 (not (= 2 ~waterLevel~0)) .cse5 .cse3) (or (not (<= 0 ~waterLevel~0)) .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-19 21:10:19,238 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2020-07-19 21:10:19,238 INFO L268 CegarLoopResult]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2020-07-19 21:10:19,239 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 210 221) 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 .cse4 .cse1 .cse7 .cse5 .cse3) (or .cse1 .cse7 .cse6 .cse3))) [2020-07-19 21:10:19,239 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 21:10:19,239 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 21:10:19,239 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 21:10:19,239 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 21:10:19,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:10:19 BoogieIcfgContainer [2020-07-19 21:10:19,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:10:19,258 INFO L168 Benchmark]: Toolchain (without parser) took 114289.65 ms. Allocated memory was 145.8 MB in the beginning and 1.1 GB in the end (delta: 989.9 MB). Free memory was 101.0 MB in the beginning and 538.7 MB in the end (delta: -437.7 MB). Peak memory consumption was 995.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:10:19,259 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:10:19,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.67 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 169.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:10:19,260 INFO L168 Benchmark]: Boogie Preprocessor took 85.45 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:10:19,261 INFO L168 Benchmark]: RCFGBuilder took 1155.41 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 191.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:10:19,261 INFO L168 Benchmark]: TraceAbstraction took 112398.09 ms. Allocated memory was 236.5 MB in the beginning and 1.1 GB in the end (delta: 899.2 MB). Free memory was 191.5 MB in the beginning and 538.7 MB in the end (delta: -347.2 MB). Peak memory consumption was 995.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:10:19,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.67 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 169.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.45 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1155.41 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.7 MB in the beginning and 191.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 112398.09 ms. Allocated memory was 236.5 MB in the beginning and 1.1 GB in the end (delta: 899.2 MB). Free memory was 191.5 MB in the beginning and 538.7 MB in the end (delta: -347.2 MB). Peak memory consumption was 995.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel <= 1) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.4s, OverallIterations: 13, TraceHistogramMax: 9, AutomataDifference: 67.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2284 SDtfs, 7099 SDslu, 4562 SDs, 0 SdLazy, 18540 SolverSat, 4957 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2719 GetRequests, 2321 SyntacticMatches, 8 SemanticMatches, 390 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4264 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1082occurred 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: 1.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1167 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2241 PreInvPairs, 2322 NumberOfFragments, 2494 HoareAnnotationTreeSize, 2241 FomulaSimplifications, 816670924 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 387350 FormulaSimplificationTreeSizeReductionInter, 24.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 3723 NumberOfCodeBlocks, 3723 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3705 ConstructedInterpolants, 0 QuantifiedInterpolants, 2167930 SizeOfPredicates, 24 NumberOfNonLiveVariables, 6341 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 2883/3088 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...