/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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:05:30,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:05:30,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:05:30,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:05:30,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:05:30,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:05:30,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:05:30,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:05:30,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:05:30,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:05:30,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:05:30,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:05:30,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:05:30,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:05:30,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:05:30,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:05:30,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:05:30,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:05:30,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:05:30,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:05:30,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:05:30,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:05:30,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:05:30,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:05:30,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:05:30,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:05:30,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:05:30,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:05:30,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:05:30,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:05:30,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:05:30,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:05:30,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:05:30,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:05:30,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:05:30,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:05:30,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:05:30,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:05:30,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:05:30,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:05:30,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:05:30,782 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 21:05:30,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:05:30,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:05:30,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:05:30,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:05:30,802 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:05:30,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:05:30,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:05:30,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:05:30,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:05:30,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:05:30,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:05:30,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:05:30,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:05:30,804 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:05:30,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:05:30,804 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:05:30,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:05:30,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:05:30,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:05:30,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:05:30,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:05:30,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:05:30,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:05:30,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:05:30,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:05:30,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:05:30,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:05:30,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:05:30,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:05:30,807 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 21:05:31,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:05:31,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:05:31,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:05:31,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:05:31,155 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:05:31,156 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-07-19 21:05:31,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82766b864/60ac8928d88046fcae8bdfcd53d08e59/FLAGa42a01c3c [2020-07-19 21:05:31,844 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:05:31,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-07-19 21:05:31,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82766b864/60ac8928d88046fcae8bdfcd53d08e59/FLAGa42a01c3c [2020-07-19 21:05:32,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82766b864/60ac8928d88046fcae8bdfcd53d08e59 [2020-07-19 21:05:32,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:05:32,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:05:32,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:32,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:05:32,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:05:32,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769d466a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32, skipping insertion in model container [2020-07-19 21:05:32,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:05:32,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:05:32,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:32,675 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:05:32,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:32,847 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:05:32,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32 WrapperNode [2020-07-19 21:05:32,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:32,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:05:32,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:05:32,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:05:32,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (1/1) ... [2020-07-19 21:05:32,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:05:32,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:05:32,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:05:32,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:05:32,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (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 21:05:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:05:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:05:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:05:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:05:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:05:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:05:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:05:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:05:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:05:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:33,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:33,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:05:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:05:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:05:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:05:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:05:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:05:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:05:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:05:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:05:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:05:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:05:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:05:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:05:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:05:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:05:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:05:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:05:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:05:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:05:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:05:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:05:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:05:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:05:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:05:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:05:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:05:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:05:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:05:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:05:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:05:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:05:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:05:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:05:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:05:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:05:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:05:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:05:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:05:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:05:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:05:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:05:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:05:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:05:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:05:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:05:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:05:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:05:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:05:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:05:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:05:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:05:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:05:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:05:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:05:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:05:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:05:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:05:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:05:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:05:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:05:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:05:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:05:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:05:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:05:34,135 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:05:34,135 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:05:34,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:34 BoogieIcfgContainer [2020-07-19 21:05:34,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:05:34,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:05:34,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:05:34,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:05:34,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:05:32" (1/3) ... [2020-07-19 21:05:34,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22520bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:34, skipping insertion in model container [2020-07-19 21:05:34,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:32" (2/3) ... [2020-07-19 21:05:34,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22520bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:34, skipping insertion in model container [2020-07-19 21:05:34,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:34" (3/3) ... [2020-07-19 21:05:34,149 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-07-19 21:05:34,160 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:05:34,168 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:05:34,182 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:05:34,207 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:05:34,207 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:05:34,208 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:05:34,208 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:05:34,208 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:05:34,208 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:05:34,208 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:05:34,208 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:05:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-19 21:05:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:05:34,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:34,242 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 21:05:34,243 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:34,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:34,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1869542645, now seen corresponding path program 1 times [2020-07-19 21:05:34,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:34,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491238286] [2020-07-19 21:05:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:34,925 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:35,047 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 21:05:35,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491238286] [2020-07-19 21:05:35,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:35,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:05:35,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483328551] [2020-07-19 21:05:35,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:05:35,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:35,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:05:35,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:35,075 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2020-07-19 21:05:36,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:36,183 INFO L93 Difference]: Finished difference Result 299 states and 383 transitions. [2020-07-19 21:05:36,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:05:36,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:05:36,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:36,200 INFO L225 Difference]: With dead ends: 299 [2020-07-19 21:05:36,200 INFO L226 Difference]: Without dead ends: 164 [2020-07-19 21:05:36,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:36,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-19 21:05:36,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 136. [2020-07-19 21:05:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-19 21:05:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-07-19 21:05:36,300 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2020-07-19 21:05:36,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:36,301 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-07-19 21:05:36,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:05:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-19 21:05:36,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 21:05:36,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:36,310 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:36,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:05:36,311 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:36,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:36,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1007263159, now seen corresponding path program 1 times [2020-07-19 21:05:36,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:36,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874671792] [2020-07-19 21:05:36,312 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,672 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:36,738 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 21:05:36,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874671792] [2020-07-19 21:05:36,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:36,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:05:36,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260490632] [2020-07-19 21:05:36,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:05:36,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:36,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:05:36,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:05:36,743 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 5 states. [2020-07-19 21:05:37,269 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:38,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:38,125 INFO L93 Difference]: Finished difference Result 244 states and 295 transitions. [2020-07-19 21:05:38,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:05:38,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 21:05:38,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:38,134 INFO L225 Difference]: With dead ends: 244 [2020-07-19 21:05:38,134 INFO L226 Difference]: Without dead ends: 154 [2020-07-19 21:05:38,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:38,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-19 21:05:38,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2020-07-19 21:05:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-19 21:05:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2020-07-19 21:05:38,189 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2020-07-19 21:05:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:38,189 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2020-07-19 21:05:38,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:05:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2020-07-19 21:05:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:05:38,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:38,192 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 21:05:38,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:05:38,193 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:38,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:38,193 INFO L82 PathProgramCache]: Analyzing trace with hash -706056489, now seen corresponding path program 1 times [2020-07-19 21:05:38,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:38,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673841798] [2020-07-19 21:05:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,567 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:38,695 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 21:05:38,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673841798] [2020-07-19 21:05:38,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:38,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:38,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277179480] [2020-07-19 21:05:38,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:38,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:38,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:38,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:38,700 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 9 states. [2020-07-19 21:05:39,150 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:39,448 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:39,688 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:39,917 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:40,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:40,979 INFO L93 Difference]: Finished difference Result 253 states and 310 transitions. [2020-07-19 21:05:40,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:05:40,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:05:40,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:40,983 INFO L225 Difference]: With dead ends: 253 [2020-07-19 21:05:40,983 INFO L226 Difference]: Without dead ends: 154 [2020-07-19 21:05:40,985 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 21:05:40,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-19 21:05:41,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 127. [2020-07-19 21:05:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-19 21:05:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2020-07-19 21:05:41,017 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 64 [2020-07-19 21:05:41,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:41,017 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2020-07-19 21:05:41,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2020-07-19 21:05:41,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-19 21:05:41,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:41,020 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 21:05:41,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:05:41,020 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:41,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:41,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1588822882, now seen corresponding path program 1 times [2020-07-19 21:05:41,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:41,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915878364] [2020-07-19 21:05:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,278 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,436 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 21:05:41,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915878364] [2020-07-19 21:05:41,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:41,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:05:41,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174605861] [2020-07-19 21:05:41,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:05:41,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:41,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:05:41,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:41,439 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 7 states. [2020-07-19 21:05:41,817 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:43,204 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:43,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:43,703 INFO L93 Difference]: Finished difference Result 352 states and 438 transitions. [2020-07-19 21:05:43,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:05:43,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-07-19 21:05:43,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:43,716 INFO L225 Difference]: With dead ends: 352 [2020-07-19 21:05:43,716 INFO L226 Difference]: Without dead ends: 253 [2020-07-19 21:05:43,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 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 21:05:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-19 21:05:43,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 210. [2020-07-19 21:05:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-19 21:05:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2020-07-19 21:05:43,775 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2020-07-19 21:05:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:43,775 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2020-07-19 21:05:43,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:05:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2020-07-19 21:05:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-19 21:05:43,780 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:43,781 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 21:05:43,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:05:43,781 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:43,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:43,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1801013738, now seen corresponding path program 1 times [2020-07-19 21:05:43,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:43,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000318812] [2020-07-19 21:05:43,782 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,063 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,204 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 21:05:44,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000318812] [2020-07-19 21:05:44,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:44,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:44,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962036643] [2020-07-19 21:05:44,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:44,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:44,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:44,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:44,209 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 9 states. [2020-07-19 21:05:44,718 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:45,354 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:46,020 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:46,357 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:46,764 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:46,989 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:47,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:47,532 INFO L93 Difference]: Finished difference Result 434 states and 528 transitions. [2020-07-19 21:05:47,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:05:47,533 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-07-19 21:05:47,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:47,536 INFO L225 Difference]: With dead ends: 434 [2020-07-19 21:05:47,536 INFO L226 Difference]: Without dead ends: 252 [2020-07-19 21:05:47,537 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 21:05:47,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-07-19 21:05:47,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 209. [2020-07-19 21:05:47,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-19 21:05:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-07-19 21:05:47,603 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2020-07-19 21:05:47,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:47,604 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-07-19 21:05:47,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-07-19 21:05:47,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 21:05:47,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:47,606 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] [2020-07-19 21:05:47,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:05:47,607 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:47,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:47,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1999801536, now seen corresponding path program 1 times [2020-07-19 21:05:47,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:47,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24234837] [2020-07-19 21:05:47,608 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,841 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,998 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 21:05:47,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24234837] [2020-07-19 21:05:47,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:47,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:48,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189296420] [2020-07-19 21:05:48,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:48,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:48,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:48,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:48,003 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 9 states. [2020-07-19 21:05:48,953 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:49,214 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:05:49,483 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:49,756 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:50,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:50,386 INFO L93 Difference]: Finished difference Result 432 states and 522 transitions. [2020-07-19 21:05:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:05:50,387 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-19 21:05:50,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:50,391 INFO L225 Difference]: With dead ends: 432 [2020-07-19 21:05:50,391 INFO L226 Difference]: Without dead ends: 251 [2020-07-19 21:05:50,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:05:50,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-07-19 21:05:50,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 214. [2020-07-19 21:05:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-19 21:05:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2020-07-19 21:05:50,445 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2020-07-19 21:05:50,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:50,446 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2020-07-19 21:05:50,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2020-07-19 21:05:50,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 21:05:50,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:50,449 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] [2020-07-19 21:05:50,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:05:50,450 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:50,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:50,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1298201662, now seen corresponding path program 1 times [2020-07-19 21:05:50,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:50,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988064659] [2020-07-19 21:05:50,451 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,736 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,865 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 21:05:50,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988064659] [2020-07-19 21:05:50,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:50,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:05:50,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347030558] [2020-07-19 21:05:50,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:05:50,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:50,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:05:50,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:05:50,874 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 11 states. [2020-07-19 21:05:51,424 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:51,695 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:51,934 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:52,626 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:52,873 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:53,116 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:53,952 INFO L93 Difference]: Finished difference Result 444 states and 542 transitions. [2020-07-19 21:05:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:05:53,959 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-19 21:05:53,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:53,961 INFO L225 Difference]: With dead ends: 444 [2020-07-19 21:05:53,961 INFO L226 Difference]: Without dead ends: 258 [2020-07-19 21:05:53,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:05:53,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-19 21:05:53,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 218. [2020-07-19 21:05:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-19 21:05:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2020-07-19 21:05:54,001 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2020-07-19 21:05:54,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:54,002 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2020-07-19 21:05:54,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:05:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2020-07-19 21:05:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 21:05:54,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:54,003 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] [2020-07-19 21:05:54,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:05:54,004 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:54,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:54,004 INFO L82 PathProgramCache]: Analyzing trace with hash 427279235, now seen corresponding path program 1 times [2020-07-19 21:05:54,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:54,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994680685] [2020-07-19 21:05:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,253 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:54,392 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 21:05:54,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994680685] [2020-07-19 21:05:54,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:54,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:05:54,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819490089] [2020-07-19 21:05:54,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:05:54,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:54,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:05:54,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:54,394 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 7 states. [2020-07-19 21:05:54,918 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:55,446 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:57,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:57,127 INFO L93 Difference]: Finished difference Result 613 states and 766 transitions. [2020-07-19 21:05:57,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:05:57,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-07-19 21:05:57,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:57,132 INFO L225 Difference]: With dead ends: 613 [2020-07-19 21:05:57,132 INFO L226 Difference]: Without dead ends: 423 [2020-07-19 21:05:57,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 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 21:05:57,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-19 21:05:57,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 385. [2020-07-19 21:05:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-07-19 21:05:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 451 transitions. [2020-07-19 21:05:57,204 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 451 transitions. Word has length 92 [2020-07-19 21:05:57,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:57,204 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 451 transitions. [2020-07-19 21:05:57,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:05:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 451 transitions. [2020-07-19 21:05:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-19 21:05:57,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:57,207 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] [2020-07-19 21:05:57,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:05:57,207 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:57,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1298280163, now seen corresponding path program 1 times [2020-07-19 21:05:57,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:57,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020962929] [2020-07-19 21:05:57,208 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:05:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,506 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,715 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 21:05:57,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020962929] [2020-07-19 21:05:57,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:57,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:05:57,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005348725] [2020-07-19 21:05:57,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:05:57,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:57,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:05:57,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:05:57,718 INFO L87 Difference]: Start difference. First operand 385 states and 451 transitions. Second operand 12 states. [2020-07-19 21:05:58,235 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:58,855 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:59,851 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:00,128 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:00,384 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:00,636 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:00,900 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:02,067 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:02,342 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:02,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:02,992 INFO L93 Difference]: Finished difference Result 1059 states and 1322 transitions. [2020-07-19 21:06:02,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:06:02,994 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-07-19 21:06:02,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:02,999 INFO L225 Difference]: With dead ends: 1059 [2020-07-19 21:06:03,000 INFO L226 Difference]: Without dead ends: 772 [2020-07-19 21:06:03,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:06:03,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-07-19 21:06:03,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 662. [2020-07-19 21:06:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-07-19 21:06:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 768 transitions. [2020-07-19 21:06:03,147 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 768 transitions. Word has length 96 [2020-07-19 21:06:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:03,150 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 768 transitions. [2020-07-19 21:06:03,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:06:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 768 transitions. [2020-07-19 21:06:03,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-19 21:06:03,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:03,156 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] [2020-07-19 21:06:03,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 21:06:03,156 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:03,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:03,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1033047505, now seen corresponding path program 1 times [2020-07-19 21:06:03,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:03,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792957653] [2020-07-19 21:06:03,157 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:06:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,518 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:03,962 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 21:06:03,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792957653] [2020-07-19 21:06:03,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426036910] [2020-07-19 21:06:03,963 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 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 21:06:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:04,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:06:04,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:04,417 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 21:06:04,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:04,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:06:04,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769712741] [2020-07-19 21:06:04,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:06:04,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:04,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:06:04,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:06:04,420 INFO L87 Difference]: Start difference. First operand 662 states and 768 transitions. Second operand 20 states. [2020-07-19 21:06:05,117 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:05,472 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:05,750 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:06,009 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:06,637 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 21:06:06,926 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:07,341 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-19 21:06:08,011 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:08,409 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-19 21:06:09,263 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:09,541 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:06:09,801 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:10,110 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:10,689 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:11,133 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:06:11,489 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:12,147 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:12,411 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:12,942 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:13,463 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:13,748 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:14,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:14,055 INFO L93 Difference]: Finished difference Result 1455 states and 1749 transitions. [2020-07-19 21:06:14,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-19 21:06:14,055 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 155 [2020-07-19 21:06:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:14,062 INFO L225 Difference]: With dead ends: 1455 [2020-07-19 21:06:14,062 INFO L226 Difference]: Without dead ends: 887 [2020-07-19 21:06:14,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-07-19 21:06:14,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-07-19 21:06:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 792. [2020-07-19 21:06:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-07-19 21:06:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 927 transitions. [2020-07-19 21:06:14,205 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 927 transitions. Word has length 155 [2020-07-19 21:06:14,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:14,205 INFO L479 AbstractCegarLoop]: Abstraction has 792 states and 927 transitions. [2020-07-19 21:06:14,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:06:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 927 transitions. [2020-07-19 21:06:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-19 21:06:14,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:14,211 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:06:14,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:06:14,426 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:14,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:14,427 INFO L82 PathProgramCache]: Analyzing trace with hash 927207093, now seen corresponding path program 1 times [2020-07-19 21:06:14,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:14,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785647222] [2020-07-19 21:06:14,429 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:06:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,757 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 77 proven. 31 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2020-07-19 21:06:15,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785647222] [2020-07-19 21:06:15,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271056577] [2020-07-19 21:06:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 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 21:06:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:06:15,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 199 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-19 21:06:15,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:15,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-19 21:06:15,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274803765] [2020-07-19 21:06:15,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-19 21:06:15,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:15,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-19 21:06:15,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-19 21:06:15,703 INFO L87 Difference]: Start difference. First operand 792 states and 927 transitions. Second operand 25 states. [2020-07-19 21:06:16,592 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 21:06:17,518 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:18,279 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:19,301 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:06:19,848 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:06:20,360 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:06:20,607 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:20,896 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:21,143 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:24,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:24,684 INFO L93 Difference]: Finished difference Result 1904 states and 2521 transitions. [2020-07-19 21:06:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-19 21:06:24,685 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 273 [2020-07-19 21:06:24,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:24,692 INFO L225 Difference]: With dead ends: 1904 [2020-07-19 21:06:24,693 INFO L226 Difference]: Without dead ends: 1159 [2020-07-19 21:06:24,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 376 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=669, Invalid=3113, Unknown=0, NotChecked=0, Total=3782 [2020-07-19 21:06:24,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2020-07-19 21:06:24,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 834. [2020-07-19 21:06:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-07-19 21:06:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 969 transitions. [2020-07-19 21:06:24,848 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 969 transitions. Word has length 273 [2020-07-19 21:06:24,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:24,848 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 969 transitions. [2020-07-19 21:06:24,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-19 21:06:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 969 transitions. [2020-07-19 21:06:24,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-07-19 21:06:24,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:24,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:06:25,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:25,069 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:25,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:25,070 INFO L82 PathProgramCache]: Analyzing trace with hash -213281005, now seen corresponding path program 1 times [2020-07-19 21:06:25,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:25,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862057622] [2020-07-19 21:06:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:06:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,421 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 89 proven. 40 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-07-19 21:06:25,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862057622] [2020-07-19 21:06:25,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040081020] [2020-07-19 21:06:25,802 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 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 21:06:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 21:06:26,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-07-19 21:06:26,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:26,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 21:06:26,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23547476] [2020-07-19 21:06:26,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:06:26,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:06:26,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:06:26,461 INFO L87 Difference]: Start difference. First operand 834 states and 969 transitions. Second operand 22 states. [2020-07-19 21:06:27,614 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:06:28,154 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:28,627 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:29,090 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:29,983 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:30,789 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:31,363 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:31,834 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:32,405 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:33,176 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:33,436 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:33,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:33,880 INFO L93 Difference]: Finished difference Result 1625 states and 1956 transitions. [2020-07-19 21:06:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:06:33,886 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 285 [2020-07-19 21:06:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:33,892 INFO L225 Difference]: With dead ends: 1625 [2020-07-19 21:06:33,893 INFO L226 Difference]: Without dead ends: 904 [2020-07-19 21:06:33,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 21:06:33,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-07-19 21:06:34,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 834. [2020-07-19 21:06:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2020-07-19 21:06:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 966 transitions. [2020-07-19 21:06:34,067 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 966 transitions. Word has length 285 [2020-07-19 21:06:34,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:34,068 INFO L479 AbstractCegarLoop]: Abstraction has 834 states and 966 transitions. [2020-07-19 21:06:34,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:06:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 966 transitions. [2020-07-19 21:06:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-07-19 21:06:34,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:34,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:06:34,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 21:06:34,287 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:34,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:34,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1430699059, now seen corresponding path program 1 times [2020-07-19 21:06:34,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:34,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035428357] [2020-07-19 21:06:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:06:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,623 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 72 proven. 11 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-07-19 21:06:35,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035428357] [2020-07-19 21:06:35,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969003677] [2020-07-19 21:06:35,136 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 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 21:06:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 21:06:35,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-07-19 21:06:35,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:35,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-19 21:06:35,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837969268] [2020-07-19 21:06:35,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:06:35,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:35,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:06:35,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:06:35,727 INFO L87 Difference]: Start difference. First operand 834 states and 966 transitions. Second operand 22 states. [2020-07-19 21:06:36,439 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:37,169 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:37,485 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:37,863 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:41,185 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:41,494 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:41,771 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:42,037 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:42,567 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:06:42,847 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:43,385 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:06:43,654 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:44,202 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:06:44,707 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:06:45,601 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:45,930 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:46,222 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:46,543 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:46,814 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:47,084 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:47,596 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:47,867 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:48,354 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:48,606 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:49,120 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:06:49,613 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:06:53,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:53,664 INFO L93 Difference]: Finished difference Result 3085 states and 3977 transitions. [2020-07-19 21:06:53,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-07-19 21:06:53,664 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 286 [2020-07-19 21:06:53,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:53,677 INFO L225 Difference]: With dead ends: 3085 [2020-07-19 21:06:53,677 INFO L226 Difference]: Without dead ends: 2287 [2020-07-19 21:06:53,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3455 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=1879, Invalid=8423, Unknown=0, NotChecked=0, Total=10302 [2020-07-19 21:06:53,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2020-07-19 21:06:54,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 1829. [2020-07-19 21:06:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1829 states. [2020-07-19 21:06:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2081 transitions. [2020-07-19 21:06:54,149 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2081 transitions. Word has length 286 [2020-07-19 21:06:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:54,150 INFO L479 AbstractCegarLoop]: Abstraction has 1829 states and 2081 transitions. [2020-07-19 21:06:54,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:06:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2081 transitions. [2020-07-19 21:06:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-19 21:06:54,157 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:54,157 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:06:54,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:54,372 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:54,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1059761089, now seen corresponding path program 1 times [2020-07-19 21:06:54,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:54,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916471369] [2020-07-19 21:06:54,373 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 [2020-07-19 21:06:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,768 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 108 proven. 91 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-07-19 21:06:55,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916471369] [2020-07-19 21:06:55,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715436440] [2020-07-19 21:06:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@606f0d05 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 21:06:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-19 21:06:55,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 212 proven. 49 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-07-19 21:06:55,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:55,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12] total 28 [2020-07-19 21:06:55,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868122885] [2020-07-19 21:06:55,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-19 21:06:55,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:55,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-19 21:06:55,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2020-07-19 21:06:55,909 INFO L87 Difference]: Start difference. First operand 1829 states and 2081 transitions. Second operand 28 states. [2020-07-19 21:06:56,807 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:57,878 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 189 [2020-07-19 21:06:59,180 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:59,757 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:07:00,231 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:07:00,708 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-19 21:07:01,231 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-19 21:07:01,721 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-07-19 21:07:03,531 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:04,279 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:04,801 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:07:05,271 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:07:06,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:06,685 INFO L93 Difference]: Finished difference Result 2997 states and 3513 transitions. [2020-07-19 21:07:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-07-19 21:07:06,685 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 358 [2020-07-19 21:07:06,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:06,687 INFO L225 Difference]: With dead ends: 2997 [2020-07-19 21:07:06,688 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:07:06,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 493 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=797, Invalid=4033, Unknown=0, NotChecked=0, Total=4830 [2020-07-19 21:07:06,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:07:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:07:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:07:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:07:06,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2020-07-19 21:07:06,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:06,699 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:07:06,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-19 21:07:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:07:06,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:07:06,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 21:07:06,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:07:07,556 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-07-19 21:07:10,903 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 412 DAG size of output: 350 [2020-07-19 21:07:17,641 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 415 [2020-07-19 21:07:18,478 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-07-19 21:07:21,752 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 518 DAG size of output: 410 [2020-07-19 21:07:23,201 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 343 [2020-07-19 21:07:26,300 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-07-19 21:07:26,526 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-19 21:07:26,934 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:07:28,758 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 204 DAG size of output: 36 [2020-07-19 21:07:29,607 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 32 [2020-07-19 21:07:29,765 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-07-19 21:07:31,177 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 196 DAG size of output: 29 [2020-07-19 21:07:32,125 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 37 [2020-07-19 21:07:32,291 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-07-19 21:07:33,458 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 196 DAG size of output: 37 [2020-07-19 21:07:33,672 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:07:33,875 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:35,241 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 138 DAG size of output: 60 [2020-07-19 21:07:38,357 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 257 DAG size of output: 44 [2020-07-19 21:07:38,529 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-07-19 21:07:38,909 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2020-07-19 21:07:41,395 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 230 DAG size of output: 38 [2020-07-19 21:07:42,638 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 182 DAG size of output: 35 [2020-07-19 21:07:43,196 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-07-19 21:07:45,478 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 201 DAG size of output: 37 [2020-07-19 21:07:47,279 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 315 DAG size of output: 37 [2020-07-19 21:07:50,103 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 245 DAG size of output: 34 [2020-07-19 21:07:50,272 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-07-19 21:07:51,601 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 214 DAG size of output: 35 [2020-07-19 21:07:53,437 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 205 DAG size of output: 34 [2020-07-19 21:07:54,767 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 203 DAG size of output: 26 [2020-07-19 21:07:54,969 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-19 21:07:55,203 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:07:55,392 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:07:55,603 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-19 21:07:57,532 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 333 DAG size of output: 35 [2020-07-19 21:07:58,889 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 216 DAG size of output: 32 [2020-07-19 21:07:59,102 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-19 21:07:59,689 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2020-07-19 21:08:00,757 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 48 [2020-07-19 21:08:00,931 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-19 21:08:01,737 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 37 [2020-07-19 21:08:01,942 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-19 21:08:02,131 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:08:02,345 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:08:03,463 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 195 DAG size of output: 36 [2020-07-19 21:08:04,357 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 23 [2020-07-19 21:08:05,407 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 191 DAG size of output: 32 [2020-07-19 21:08:05,624 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:08:05,810 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:08:05,987 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2020-07-19 21:08:06,175 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 21:08:06,179 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-19 21:08:06,180 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2020-07-19 21:08:06,180 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-07-19 21:08:06,180 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2020-07-19 21:08:06,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2020-07-19 21:08:06,180 INFO L268 CegarLoopResult]: For program point L686(lines 663 687) no Hoare annotation was computed. [2020-07-19 21:08:06,180 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2020-07-19 21:08:06,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2020-07-19 21:08:06,181 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-07-19 21:08:06,181 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2020-07-19 21:08:06,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2020-07-19 21:08:06,181 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-19 21:08:06,181 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2020-07-19 21:08:06,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2020-07-19 21:08:06,182 INFO L268 CegarLoopResult]: For program point L747(lines 720 748) no Hoare annotation was computed. [2020-07-19 21:08:06,182 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2020-07-19 21:08:06,182 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-07-19 21:08:06,182 INFO L268 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-07-19 21:08:06,182 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2020-07-19 21:08:06,183 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2020-07-19 21:08:06,183 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2020-07-19 21:08:06,183 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2020-07-19 21:08:06,183 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2020-07-19 21:08:06,183 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:06,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2020-07-19 21:08:06,183 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2020-07-19 21:08:06,184 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse6 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or (not (<= ~waterLevel~0 2)) .cse1 (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse6 .cse1 .cse5 .cse4 .cse3) (or .cse0 .cse6 .cse1 .cse5 .cse3))) [2020-07-19 21:08:06,184 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 21:08:06,184 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2020-07-19 21:08:06,184 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2020-07-19 21:08:06,184 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse7 (not (= 0 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse2 .cse7 .cse3) (or .cse8 .cse4 .cse5 .cse6 .cse3) (or .cse8 .cse2 .cse3))) [2020-07-19 21:08:06,184 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2020-07-19 21:08:06,184 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-07-19 21:08:06,185 INFO L268 CegarLoopResult]: For program point L174(lines 174 184) no Hoare annotation was computed. [2020-07-19 21:08:06,185 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= 0 ~waterLevel~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse5 .cse7 .cse8 .cse4 .cse9 .cse3) (or .cse5 .cse2 .cse9 .cse3) (or .cse5 .cse6 .cse7 .cse8 .cse4 .cse3))) [2020-07-19 21:08:06,185 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2020-07-19 21:08:06,185 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-19 21:08:06,185 INFO L268 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2020-07-19 21:08:06,185 INFO L268 CegarLoopResult]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2020-07-19 21:08:06,185 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-19 21:08:06,186 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-19 21:08:06,186 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 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 21:08:06,186 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~1) (= 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 21:08:06,186 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~1) (= 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 21:08:06,186 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-07-19 21:08:06,186 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-07-19 21:08:06,186 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 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 21:08:06,187 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 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 21:08:06,187 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 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 21:08:06,187 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-19 21:08:06,187 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2020-07-19 21:08:06,188 INFO L268 CegarLoopResult]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point L438(lines 438 446) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point L438-2(lines 438 446) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 431 466) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point L450(lines 450 458) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2020-07-19 21:08:06,189 INFO L268 CegarLoopResult]: For program point L926(lines 926 933) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L268 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 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 21:08:06,190 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-07-19 21:08:06,190 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:06,190 INFO L271 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: true [2020-07-19 21:08:06,191 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~waterLevel~0)) .cse4))) [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-19 21:08:06,191 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~3))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse6 .cse1 .cse7 .cse2 .cse4) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse0 .cse6 .cse1 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse3 .cse4))) [2020-07-19 21:08:06,192 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse3 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4) (or .cse1 .cse2 .cse7 .cse6 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4))) [2020-07-19 21:08:06,192 INFO L268 CegarLoopResult]: For program point L378(lines 378 386) no Hoare annotation was computed. [2020-07-19 21:08:06,192 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (let ((.cse5 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~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 .cse2 .cse3 .cse4 .cse5 .cse1) (or .cse0 .cse5 .cse1) (or .cse6 .cse0 .cse1) (or .cse6 .cse3 .cse2 .cse4 .cse1))) [2020-07-19 21:08:06,192 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-19 21:08:06,192 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2020-07-19 21:08:06,192 INFO L268 CegarLoopResult]: For program point L374(lines 374 391) no Hoare annotation was computed. [2020-07-19 21:08:06,192 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse3) (or .cse7 .cse5 .cse4 .cse6 .cse3))) [2020-07-19 21:08:06,192 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (let ((.cse4 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse3 .cse2))) [2020-07-19 21:08:06,193 INFO L268 CegarLoopResult]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2020-07-19 21:08:06,193 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2020-07-19 21:08:06,193 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2020-07-19 21:08:06,193 INFO L264 CegarLoopResult]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 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 21:08:06,193 INFO L264 CegarLoopResult]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:08:06,193 INFO L268 CegarLoopResult]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2020-07-19 21:08:06,193 INFO L268 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-07-19 21:08:06,193 INFO L264 CegarLoopResult]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse7 .cse5) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse0 .cse2 .cse5) (and .cse0 .cse1 .cse3 .cse6) (and .cse0 .cse7 .cse1 .cse3) (not .cse3))) [2020-07-19 21:08:06,193 INFO L268 CegarLoopResult]: For program point L498(lines 497 542) no Hoare annotation was computed. [2020-07-19 21:08:06,194 INFO L268 CegarLoopResult]: For program point L527(lines 527 538) no Hoare annotation was computed. [2020-07-19 21:08:06,194 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse7 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse8) (and .cse0 .cse1 .cse3 .cse8) (not .cse3))) [2020-07-19 21:08:06,194 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-07-19 21:08:06,194 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2020-07-19 21:08:06,194 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= 0 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse7 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse3 .cse8) (and .cse4 .cse5 .cse0 .cse6 .cse8) (not .cse3))) [2020-07-19 21:08:06,194 INFO L264 CegarLoopResult]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse7 (= 2 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse8 (= 0 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 .cse7 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse0 .cse6 .cse8) (and .cse0 .cse1 .cse3 .cse8) (not .cse3))) [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-07-19 21:08:06,195 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 553 562) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 553 562) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 553 562) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2020-07-19 21:08:06,196 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L827(lines 805 828) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L786(lines 786 802) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2020-07-19 21:08:06,197 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-07-19 21:08:06,198 INFO L268 CegarLoopResult]: For program point L807(lines 806 826) no Hoare annotation was computed. [2020-07-19 21:08:06,198 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-19 21:08:06,198 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-19 21:08:06,198 INFO L268 CegarLoopResult]: For program point L803(lines 803 844) no Hoare annotation was computed. [2020-07-19 21:08:06,198 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:06,199 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~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:08:06,199 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:06,199 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2020-07-19 21:08:06,199 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2020-07-19 21:08:06,199 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 395 402) 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 21:08:06,199 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-19 21:08:06,199 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-19 21:08:06,199 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-19 21:08:06,200 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2020-07-19 21:08:06,200 INFO L268 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-07-19 21:08:06,200 INFO L271 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: true [2020-07-19 21:08:06,200 INFO L268 CegarLoopResult]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2020-07-19 21:08:06,200 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-07-19 21:08:06,200 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2020-07-19 21:08:06,200 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2020-07-19 21:08:06,200 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-19 21:08:06,201 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse4 (not (= 0 ~waterLevel~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= ~waterLevel~0 2)) .cse0 (not (<= 2 ~waterLevel~0)) .cse3 .cse2) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse5 .cse6 .cse3 .cse4 .cse2) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse0 .cse5 .cse6 .cse3 .cse2))) [2020-07-19 21:08:06,201 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-19 21:08:06,201 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:06,201 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:08:06,201 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:06,201 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-19 21:08:06,201 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-19 21:08:06,201 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-19 21:08:06,202 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse1 (and .cse7 .cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or (not (= 2 |old(~waterLevel~0)|)) .cse3 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse1 .cse6 .cse2) (or .cse3 .cse6 .cse2) (or .cse5 .cse0 .cse4 (and .cse7 .cse8 (= 1 ~waterLevel~0)) .cse2)))) [2020-07-19 21:08:06,202 INFO L268 CegarLoopResult]: For program point L316(lines 312 334) no Hoare annotation was computed. [2020-07-19 21:08:06,202 INFO L268 CegarLoopResult]: For program point L314(lines 312 334) no Hoare annotation was computed. [2020-07-19 21:08:06,202 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 0 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse8 .cse9 .cse10)) (.cse5 (and (= 0 ~pumpRunning~0) .cse9 .cse10)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse7 (and .cse8 .cse9 (= 1 ~waterLevel~0)) .cse4) (or .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 (not (= 2 |old(~waterLevel~0)|)) .cse6 .cse4)))) [2020-07-19 21:08:06,202 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2020-07-19 21:08:06,202 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2020-07-19 21:08:06,203 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (= 0 |old(~waterLevel~0)|))) (.cse0 (and .cse4 .cse11)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 0 ~waterLevel~0)) (.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (and .cse4 .cse5) .cse6 .cse3) (or .cse7 .cse8 (and .cse9 .cse10 .cse11) .cse6 .cse3) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse3) (or .cse8 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) (and .cse9 .cse10 (= 1 ~waterLevel~0)) .cse3) (or .cse7 .cse8 (and .cse9 .cse10 .cse5) .cse2 .cse3)))) [2020-07-19 21:08:06,203 INFO L264 CegarLoopResult]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse13 (= 0 ~methaneLevelCritical~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 |old(~waterLevel~0)|))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (not (= 2 |old(~waterLevel~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (= 1 ~waterLevel~0)) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not .cse13)) (.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= 0 ~waterLevel~0)) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4) (or (and .cse0 .cse5) (and .cse5 (<= 1 ~pumpRunning~0)) .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse2 (and .cse0 .cse6) .cse7 .cse4) (or .cse8 .cse9 .cse10 (and .cse11 .cse12 .cse5) .cse7 .cse4) (or .cse8 .cse13 .cse9 .cse3 (and .cse0 .cse14 .cse6) .cse4) (or .cse9 .cse15 .cse10 (and .cse11 .cse12 .cse1) .cse4) (or .cse8 .cse13 .cse9 .cse7 .cse4 (and .cse0 .cse14 .cse5)) (or .cse13 .cse9 .cse15 (and .cse0 .cse14 .cse1) .cse4) (or .cse8 .cse9 .cse10 (and .cse11 .cse12 .cse6) .cse3 .cse4)))) [2020-07-19 21:08:06,203 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-07-19 21:08:06,203 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-07-19 21:08:06,203 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-07-19 21:08:06,203 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-19 21:08:06,204 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-19 21:08:06,204 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-07-19 21:08:06,204 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-19 21:08:06,204 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-07-19 21:08:06,204 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-07-19 21:08:06,204 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-19 21:08:06,204 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse2 (not (= 0 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3))) [2020-07-19 21:08:06,204 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-19 21:08:06,205 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-19 21:08:06,205 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-07-19 21:08:06,205 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-07-19 21:08:06,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:08:06,205 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:08:06,205 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:08:06,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:08:06,205 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse2 (not (= 0 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse8 .cse5 .cse4 .cse6 .cse7 .cse3) (or .cse8 .cse0 .cse1 .cse3))) [2020-07-19 21:08:06,206 INFO L268 CegarLoopResult]: For program point L352(lines 352 360) no Hoare annotation was computed. [2020-07-19 21:08:06,206 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse6 .cse3 .cse2) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse5 .cse6 .cse2))) [2020-07-19 21:08:06,206 INFO L268 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-07-19 21:08:06,206 INFO L268 CegarLoopResult]: For program point L348(lines 348 365) no Hoare annotation was computed. [2020-07-19 21:08:06,206 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2020-07-19 21:08:06,206 INFO L264 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~waterLevel~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse1) (or .cse7 .cse3 .cse2 .cse4 .cse5 .cse1) (or .cse0 .cse6 .cse1) (or .cse7 .cse0 .cse1))) [2020-07-19 21:08:06,206 INFO L268 CegarLoopResult]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2020-07-19 21:08:06,207 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (let ((.cse5 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~waterLevel~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 2 ~waterLevel~0)) .cse6 .cse4) (or .cse5 .cse7 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4))) [2020-07-19 21:08:06,207 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (let ((.cse3 (not (= 0 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 (= 0 ~pumpRunning~0) .cse4) (or .cse5 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse4))) [2020-07-19 21:08:06,207 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-19 21:08:06,207 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-19 21:08:06,207 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~waterLevel~0)|))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse7 .cse3) (or .cse8 .cse0 .cse6 .cse9 .cse3) (or .cse8 .cse0 .cse1 .cse9 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2 .cse3) (or .cse0 .cse1 .cse7 .cse3))) [2020-07-19 21:08:06,207 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2020-07-19 21:08:06,208 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2020-07-19 21:08:06,208 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2020-07-19 21:08:06,208 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2020-07-19 21:08:06,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:08:06 BoogieIcfgContainer [2020-07-19 21:08:06,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:08:06,228 INFO L168 Benchmark]: Toolchain (without parser) took 154119.49 ms. Allocated memory was 135.3 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 98.1 MB in the beginning and 148.7 MB in the end (delta: -50.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-19 21:08:06,230 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:08:06,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.95 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 97.7 MB in the beginning and 165.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:06,230 INFO L168 Benchmark]: Boogie Preprocessor took 89.51 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:06,231 INFO L168 Benchmark]: RCFGBuilder took 1202.84 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 160.9 MB in the beginning and 191.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:08:06,231 INFO L168 Benchmark]: TraceAbstraction took 152085.38 ms. Allocated memory was 226.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 191.6 MB in the beginning and 148.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-19 21:08:06,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.95 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 97.7 MB in the beginning and 165.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.51 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.84 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 160.9 MB in the beginning and 191.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 152085.38 ms. Allocated memory was 226.5 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 191.6 MB in the beginning and 148.7 MB in the end (delta: 42.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == waterLevel) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || ((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= pumpRunning) && 0 == waterLevel)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive) && 0 == waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 92.7s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 78.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 59.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2353 SDtfs, 8482 SDslu, 4884 SDs, 0 SdLazy, 21510 SolverSat, 6231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2609 GetRequests, 2136 SyntacticMatches, 13 SemanticMatches, 460 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7682 ImplicationChecksByTransitivity, 43.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1829occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 1341 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2971 PreInvPairs, 3258 NumberOfFragments, 3254 HoareAnnotationTreeSize, 2971 FomulaSimplifications, 5262934844 FormulaSimplificationTreeSizeReduction, 17.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 48613429 FormulaSimplificationTreeSizeReductionInter, 41.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 3437 NumberOfCodeBlocks, 3437 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3418 ConstructedInterpolants, 0 QuantifiedInterpolants, 1908445 SizeOfPredicates, 23 NumberOfNonLiveVariables, 5979 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 2682/2963 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...