/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:44:25,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:44:25,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:44:25,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:44:25,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:44:25,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:44:25,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:44:25,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:44:25,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:44:25,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:44:25,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:44:25,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:44:25,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:44:25,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:44:25,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:44:25,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:44:25,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:44:25,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:44:25,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:44:25,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:44:25,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:44:25,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:44:25,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:44:25,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:44:25,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:44:25,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:44:25,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:44:25,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:44:25,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:44:25,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:44:25,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:44:25,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:44:25,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:44:25,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:44:25,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:44:25,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:44:25,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:44:25,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:44:25,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:44:25,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:44:25,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:44:25,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:44:25,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:44:25,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:44:25,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:44:25,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:44:25,974 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:44:25,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:44:25,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:44:25,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:44:25,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:44:25,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:44:25,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:44:25,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:44:25,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:44:25,976 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:44:25,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:44:25,979 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:44:25,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:44:25,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:44:25,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:44:25,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:44:25,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:44:25,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:25,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:44:25,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:44:25,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:44:25,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:44:25,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:44:25,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:44:25,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:44:25,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:44:26,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:44:26,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:44:26,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:44:26,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:44:26,322 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:44:26,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-07 10:44:26,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e34cdbc2/a04f2297f01c4ae7bebe158eb6d22cde/FLAGdd2ae76df [2020-07-07 10:44:26,998 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:44:27,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2020-07-07 10:44:27,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e34cdbc2/a04f2297f01c4ae7bebe158eb6d22cde/FLAGdd2ae76df [2020-07-07 10:44:27,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e34cdbc2/a04f2297f01c4ae7bebe158eb6d22cde [2020-07-07 10:44:27,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:44:27,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:44:27,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:27,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:44:27,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:44:27,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:27,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be4e3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27, skipping insertion in model container [2020-07-07 10:44:27,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:27,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:44:27,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:44:27,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:27,681 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:44:27,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:44:27,946 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:44:27,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27 WrapperNode [2020-07-07 10:44:27,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:44:27,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:44:27,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:44:27,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:44:27,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:27,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:27,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:27,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:28,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:28,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:28,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... [2020-07-07 10:44:28,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:44:28,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:44:28,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:44:28,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:44:28,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:44:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:44:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:44:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:44:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:44:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:44:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:44:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:44:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:44:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:44:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:44:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:44:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:44:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:44:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:44:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:44:28,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:44:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:44:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:44:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:44:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:44:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:44:28,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:44:28,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:44:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:44:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:44:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:44:28,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:44:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:44:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:44:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:44:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:44:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:44:28,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:44:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:44:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:44:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:44:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:44:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:44:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:44:28,150 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:44:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:44:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:44:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:44:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:44:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:44:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:44:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:44:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:44:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:44:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:44:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:44:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:44:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:44:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:44:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:44:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:44:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:44:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:44:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:44:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:44:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:44:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:44:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:44:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:44:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:44:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:44:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:44:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:44:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:44:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:44:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:44:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:44:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:44:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:44:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:44:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:44:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:44:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:44:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:44:29,161 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:44:29,161 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:44:29,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:29 BoogieIcfgContainer [2020-07-07 10:44:29,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:44:29,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:44:29,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:44:29,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:44:29,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:44:27" (1/3) ... [2020-07-07 10:44:29,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d2c4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:29, skipping insertion in model container [2020-07-07 10:44:29,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:44:27" (2/3) ... [2020-07-07 10:44:29,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d2c4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:44:29, skipping insertion in model container [2020-07-07 10:44:29,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:44:29" (3/3) ... [2020-07-07 10:44:29,175 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-07-07 10:44:29,185 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:44:29,193 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:44:29,207 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:44:29,231 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:44:29,232 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:44:29,232 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:44:29,232 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:44:29,232 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:44:29,233 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:44:29,233 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:44:29,233 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:44:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-07 10:44:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:44:29,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:29,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:29,267 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:29,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:29,274 INFO L82 PathProgramCache]: Analyzing trace with hash 177325019, now seen corresponding path program 1 times [2020-07-07 10:44:29,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:29,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160367327] [2020-07-07 10:44:29,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:29,979 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:30,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160367327] [2020-07-07 10:44:30,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:30,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:44:30,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032993863] [2020-07-07 10:44:30,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:44:30,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:30,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:44:30,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:30,080 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-07-07 10:44:31,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:31,123 INFO L93 Difference]: Finished difference Result 287 states and 375 transitions. [2020-07-07 10:44:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:44:31,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:44:31,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:31,143 INFO L225 Difference]: With dead ends: 287 [2020-07-07 10:44:31,143 INFO L226 Difference]: Without dead ends: 155 [2020-07-07 10:44:31,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:44:31,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-07 10:44:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-07-07 10:44:31,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-07 10:44:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-07 10:44:31,248 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2020-07-07 10:44:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:31,249 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-07 10:44:31,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:44:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-07 10:44:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:44:31,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:31,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:31,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:44:31,260 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:31,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:31,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1842882407, now seen corresponding path program 1 times [2020-07-07 10:44:31,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:31,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606056096] [2020-07-07 10:44:31,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,589 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:31,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606056096] [2020-07-07 10:44:31,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:31,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:44:31,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024041278] [2020-07-07 10:44:31,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:44:31,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:31,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:44:31,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:44:31,659 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 4 states. [2020-07-07 10:44:32,087 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:32,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:32,884 INFO L93 Difference]: Finished difference Result 220 states and 266 transitions. [2020-07-07 10:44:32,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:44:32,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:44:32,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:32,888 INFO L225 Difference]: With dead ends: 220 [2020-07-07 10:44:32,889 INFO L226 Difference]: Without dead ends: 139 [2020-07-07 10:44:32,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:44:32,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-07 10:44:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-07-07 10:44:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-07 10:44:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-07-07 10:44:32,928 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2020-07-07 10:44:32,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:32,929 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-07-07 10:44:32,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:44:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-07-07 10:44:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:44:32,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:32,931 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:32,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:44:32,932 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:32,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:32,932 INFO L82 PathProgramCache]: Analyzing trace with hash 774651483, now seen corresponding path program 1 times [2020-07-07 10:44:32,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:32,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651944891] [2020-07-07 10:44:32,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,265 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:33,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651944891] [2020-07-07 10:44:33,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:33,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:33,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937448776] [2020-07-07 10:44:33,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:33,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:33,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:33,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:33,392 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2020-07-07 10:44:33,791 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:34,099 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:44:34,331 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:34,582 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:35,617 INFO L93 Difference]: Finished difference Result 229 states and 280 transitions. [2020-07-07 10:44:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:44:35,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-07 10:44:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:35,621 INFO L225 Difference]: With dead ends: 229 [2020-07-07 10:44:35,621 INFO L226 Difference]: Without dead ends: 139 [2020-07-07 10:44:35,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:35,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-07 10:44:35,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 114. [2020-07-07 10:44:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-07 10:44:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-07-07 10:44:35,677 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2020-07-07 10:44:35,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:35,678 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-07-07 10:44:35,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-07-07 10:44:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:44:35,679 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:35,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:35,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:44:35,680 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:35,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:35,680 INFO L82 PathProgramCache]: Analyzing trace with hash -771193848, now seen corresponding path program 1 times [2020-07-07 10:44:35,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:35,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640484550] [2020-07-07 10:44:35,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:35,963 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:36,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640484550] [2020-07-07 10:44:36,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:36,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:44:36,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626975994] [2020-07-07 10:44:36,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:44:36,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:36,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:44:36,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:44:36,087 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 6 states. [2020-07-07 10:44:36,413 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:37,485 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:38,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:38,073 INFO L93 Difference]: Finished difference Result 324 states and 398 transitions. [2020-07-07 10:44:38,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:38,074 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-07 10:44:38,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:38,078 INFO L225 Difference]: With dead ends: 324 [2020-07-07 10:44:38,078 INFO L226 Difference]: Without dead ends: 234 [2020-07-07 10:44:38,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:44:38,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-07 10:44:38,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 193. [2020-07-07 10:44:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-07 10:44:38,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2020-07-07 10:44:38,151 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2020-07-07 10:44:38,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:38,151 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2020-07-07 10:44:38,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:44:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2020-07-07 10:44:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-07 10:44:38,153 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:38,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:38,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:44:38,154 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:38,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:38,154 INFO L82 PathProgramCache]: Analyzing trace with hash -913158347, now seen corresponding path program 1 times [2020-07-07 10:44:38,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:38,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373686222] [2020-07-07 10:44:38,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,445 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:38,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373686222] [2020-07-07 10:44:38,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:38,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:38,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134970004] [2020-07-07 10:44:38,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:38,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:38,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:38,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:38,559 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2020-07-07 10:44:38,926 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:40,295 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:40,577 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:40,840 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:41,092 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:41,709 INFO L93 Difference]: Finished difference Result 528 states and 662 transitions. [2020-07-07 10:44:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 10:44:41,710 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-07-07 10:44:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:41,714 INFO L225 Difference]: With dead ends: 528 [2020-07-07 10:44:41,714 INFO L226 Difference]: Without dead ends: 359 [2020-07-07 10:44:41,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:41,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-07-07 10:44:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 319. [2020-07-07 10:44:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-07 10:44:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 373 transitions. [2020-07-07 10:44:41,777 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 373 transitions. Word has length 79 [2020-07-07 10:44:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:41,777 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 373 transitions. [2020-07-07 10:44:41,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 373 transitions. [2020-07-07 10:44:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:44:41,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:41,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:41,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:44:41,780 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:41,780 INFO L82 PathProgramCache]: Analyzing trace with hash 421166267, now seen corresponding path program 1 times [2020-07-07 10:44:41,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:41,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468359188] [2020-07-07 10:44:41,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,040 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:42,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468359188] [2020-07-07 10:44:42,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:42,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:44:42,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286551283] [2020-07-07 10:44:42,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:44:42,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:42,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:44:42,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:44:42,152 INFO L87 Difference]: Start difference. First operand 319 states and 373 transitions. Second operand 9 states. [2020-07-07 10:44:42,635 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:43,165 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:44,715 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:46,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:46,210 INFO L93 Difference]: Finished difference Result 770 states and 989 transitions. [2020-07-07 10:44:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:44:46,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-07-07 10:44:46,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:46,242 INFO L225 Difference]: With dead ends: 770 [2020-07-07 10:44:46,242 INFO L226 Difference]: Without dead ends: 590 [2020-07-07 10:44:46,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:44:46,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-07-07 10:44:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 524. [2020-07-07 10:44:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-07-07 10:44:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 634 transitions. [2020-07-07 10:44:46,344 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 634 transitions. Word has length 83 [2020-07-07 10:44:46,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:46,345 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 634 transitions. [2020-07-07 10:44:46,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:44:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 634 transitions. [2020-07-07 10:44:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:44:46,347 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:46,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:46,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:44:46,347 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:46,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:46,348 INFO L82 PathProgramCache]: Analyzing trace with hash 750932028, now seen corresponding path program 1 times [2020-07-07 10:44:46,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:46,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335579044] [2020-07-07 10:44:46,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,612 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:46,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335579044] [2020-07-07 10:44:46,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:46,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:44:46,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826399870] [2020-07-07 10:44:46,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:46,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:46,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:46,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:44:46,785 INFO L87 Difference]: Start difference. First operand 524 states and 634 transitions. Second operand 8 states. [2020-07-07 10:44:47,634 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:47,875 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:48,129 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:49,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:49,060 INFO L93 Difference]: Finished difference Result 947 states and 1187 transitions. [2020-07-07 10:44:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:44:49,062 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-07-07 10:44:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:49,068 INFO L225 Difference]: With dead ends: 947 [2020-07-07 10:44:49,068 INFO L226 Difference]: Without dead ends: 566 [2020-07-07 10:44:49,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:49,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-07-07 10:44:49,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 524. [2020-07-07 10:44:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-07-07 10:44:49,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 633 transitions. [2020-07-07 10:44:49,173 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 633 transitions. Word has length 83 [2020-07-07 10:44:49,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:49,173 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 633 transitions. [2020-07-07 10:44:49,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 633 transitions. [2020-07-07 10:44:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:44:49,175 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:49,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:49,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:44:49,176 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:49,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:49,176 INFO L82 PathProgramCache]: Analyzing trace with hash 678545470, now seen corresponding path program 1 times [2020-07-07 10:44:49,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:49,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893011704] [2020-07-07 10:44:49,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,518 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:49,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893011704] [2020-07-07 10:44:49,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:49,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:44:49,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072209147] [2020-07-07 10:44:49,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:44:49,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:49,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:44:49,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:44:49,697 INFO L87 Difference]: Start difference. First operand 524 states and 633 transitions. Second operand 12 states. [2020-07-07 10:44:50,673 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:50,975 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:51,187 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:51,799 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:52,050 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:44:52,314 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:52,546 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:53,613 INFO L93 Difference]: Finished difference Result 1071 states and 1335 transitions. [2020-07-07 10:44:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 10:44:53,614 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 83 [2020-07-07 10:44:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:53,619 INFO L225 Difference]: With dead ends: 1071 [2020-07-07 10:44:53,619 INFO L226 Difference]: Without dead ends: 571 [2020-07-07 10:44:53,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-07 10:44:53,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-07-07 10:44:53,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 531. [2020-07-07 10:44:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-07 10:44:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 640 transitions. [2020-07-07 10:44:53,745 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 640 transitions. Word has length 83 [2020-07-07 10:44:53,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:53,746 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 640 transitions. [2020-07-07 10:44:53,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:44:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 640 transitions. [2020-07-07 10:44:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-07 10:44:53,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:53,749 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] [2020-07-07 10:44:53,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:44:53,749 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:53,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:53,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1174041569, now seen corresponding path program 1 times [2020-07-07 10:44:53,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:53,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477368054] [2020-07-07 10:44:53,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,058 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:44:54,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477368054] [2020-07-07 10:44:54,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524779855] [2020-07-07 10:44:54,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:44:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:54,509 INFO L264 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-07 10:44:54,525 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:44:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:44:54,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:44:54,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 17 [2020-07-07 10:44:54,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312701582] [2020-07-07 10:44:54,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:44:54,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:54,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:44:54,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:44:54,670 INFO L87 Difference]: Start difference. First operand 531 states and 640 transitions. Second operand 8 states. [2020-07-07 10:44:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:44:55,222 INFO L93 Difference]: Finished difference Result 1508 states and 1860 transitions. [2020-07-07 10:44:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:44:55,222 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-07-07 10:44:55,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:44:55,228 INFO L225 Difference]: With dead ends: 1508 [2020-07-07 10:44:55,229 INFO L226 Difference]: Without dead ends: 1001 [2020-07-07 10:44:55,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:44:55,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-07-07 10:44:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 998. [2020-07-07 10:44:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-07-07 10:44:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1205 transitions. [2020-07-07 10:44:55,412 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1205 transitions. Word has length 95 [2020-07-07 10:44:55,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:44:55,413 INFO L479 AbstractCegarLoop]: Abstraction has 998 states and 1205 transitions. [2020-07-07 10:44:55,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:44:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1205 transitions. [2020-07-07 10:44:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:44:55,415 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:44:55,416 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:44:55,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:44:55,630 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:44:55,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:44:55,631 INFO L82 PathProgramCache]: Analyzing trace with hash 175480453, now seen corresponding path program 1 times [2020-07-07 10:44:55,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:44:55,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776955777] [2020-07-07 10:44:55,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:44:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:55,978 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:44:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:44:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:44:56,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776955777] [2020-07-07 10:44:56,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:44:56,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 10:44:56,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485849823] [2020-07-07 10:44:56,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 10:44:56,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:44:56,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 10:44:56,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:44:56,170 INFO L87 Difference]: Start difference. First operand 998 states and 1205 transitions. Second operand 14 states. [2020-07-07 10:44:56,838 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:57,081 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:57,323 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:44:57,834 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:58,535 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:44:58,926 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:59,552 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:44:59,782 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:00,039 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:01,250 INFO L93 Difference]: Finished difference Result 2050 states and 2603 transitions. [2020-07-07 10:45:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 10:45:01,250 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 99 [2020-07-07 10:45:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:01,257 INFO L225 Difference]: With dead ends: 2050 [2020-07-07 10:45:01,258 INFO L226 Difference]: Without dead ends: 1076 [2020-07-07 10:45:01,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-07-07 10:45:01,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-07-07 10:45:01,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 914. [2020-07-07 10:45:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-07-07 10:45:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1085 transitions. [2020-07-07 10:45:01,429 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1085 transitions. Word has length 99 [2020-07-07 10:45:01,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:01,430 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 1085 transitions. [2020-07-07 10:45:01,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 10:45:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1085 transitions. [2020-07-07 10:45:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-07 10:45:01,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:01,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:01,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:45:01,433 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:01,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:01,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1676429373, now seen corresponding path program 1 times [2020-07-07 10:45:01,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:01,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676343080] [2020-07-07 10:45:01,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,728 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:01,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:45:01,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676343080] [2020-07-07 10:45:01,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:01,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-07 10:45:01,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94105762] [2020-07-07 10:45:01,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-07 10:45:01,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:01,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-07 10:45:01,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:01,941 INFO L87 Difference]: Start difference. First operand 914 states and 1085 transitions. Second operand 13 states. [2020-07-07 10:45:03,058 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:03,293 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:03,527 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:04,615 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:05,129 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:05,441 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:05,709 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:06,351 INFO L93 Difference]: Finished difference Result 1575 states and 1874 transitions. [2020-07-07 10:45:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:45:06,352 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 99 [2020-07-07 10:45:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:06,353 INFO L225 Difference]: With dead ends: 1575 [2020-07-07 10:45:06,353 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:45:06,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:45:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:45:06,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:45:06,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:45:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:45:06,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-07-07 10:45:06,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:06,360 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:45:06,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-07 10:45:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:45:06,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:45:06,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 10:45:06,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:45:07,521 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 248 [2020-07-07 10:45:08,998 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 242 [2020-07-07 10:45:09,354 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 248 [2020-07-07 10:45:10,973 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 242 [2020-07-07 10:45:12,031 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-07 10:45:13,187 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-07-07 10:45:13,710 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2020-07-07 10:45:13,905 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:14,077 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:45:14,238 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-07 10:45:14,857 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 33 [2020-07-07 10:45:15,960 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 170 DAG size of output: 39 [2020-07-07 10:45:16,558 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-07 10:45:16,739 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-07 10:45:16,914 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:45:17,505 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 30 [2020-07-07 10:45:17,946 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-07-07 10:45:18,122 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:45:18,333 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:18,514 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:19,034 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2020-07-07 10:45:19,291 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-07-07 10:45:20,503 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 174 DAG size of output: 37 [2020-07-07 10:45:20,661 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:45:20,844 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-07 10:45:22,014 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-07 10:45:22,199 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-07 10:45:22,366 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:23,194 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-07 10:45:23,457 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:45:24,449 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-07 10:45:24,615 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:45:24,720 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-07-07 10:45:25,257 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-07-07 10:45:26,126 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-07 10:45:26,301 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:26,476 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:45:27,409 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 34 [2020-07-07 10:45:28,302 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-07 10:45:29,303 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 43 [2020-07-07 10:45:29,458 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-07 10:45:29,623 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-07 10:45:30,043 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-07-07 10:45:30,224 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-07 10:45:31,049 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-07 10:45:31,226 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-07 10:45:31,412 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-07 10:45:31,420 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-07-07 10:45:31,421 INFO L268 CegarLoopResult]: For program point L635-1(lines 635 639) no Hoare annotation was computed. [2020-07-07 10:45:31,421 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-07 10:45:31,421 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 650) no Hoare annotation was computed. [2020-07-07 10:45:31,421 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 604 659) no Hoare annotation was computed. [2020-07-07 10:45:31,421 INFO L268 CegarLoopResult]: For program point L651(lines 628 652) no Hoare annotation was computed. [2020-07-07 10:45:31,422 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 604 659) no Hoare annotation was computed. [2020-07-07 10:45:31,422 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 604 659) no Hoare annotation was computed. [2020-07-07 10:45:31,422 INFO L268 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-07-07 10:45:31,422 INFO L268 CegarLoopResult]: For program point L705-1(line 705) no Hoare annotation was computed. [2020-07-07 10:45:31,422 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 660 719) no Hoare annotation was computed. [2020-07-07 10:45:31,422 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-07 10:45:31,422 INFO L268 CegarLoopResult]: For program point L692-1(lines 692 696) no Hoare annotation was computed. [2020-07-07 10:45:31,423 INFO L268 CegarLoopResult]: For program point L687(line 687) no Hoare annotation was computed. [2020-07-07 10:45:31,423 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 660 719) no Hoare annotation was computed. [2020-07-07 10:45:31,423 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 711) no Hoare annotation was computed. [2020-07-07 10:45:31,423 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 660 719) no Hoare annotation was computed. [2020-07-07 10:45:31,423 INFO L268 CegarLoopResult]: For program point L712(lines 685 713) no Hoare annotation was computed. [2020-07-07 10:45:31,423 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-07 10:45:31,423 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-07 10:45:31,424 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:45:31,424 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-07 10:45:31,424 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:45:31,424 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,424 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,425 INFO L264 CegarLoopResult]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~5) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,425 INFO L268 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-07-07 10:45:31,425 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2020-07-07 10:45:31,425 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2020-07-07 10:45:31,425 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-07 10:45:31,425 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,426 INFO L264 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,426 INFO L264 CegarLoopResult]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,426 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2020-07-07 10:45:31,426 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 487 510) no Hoare annotation was computed. [2020-07-07 10:45:31,426 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 487 510) no Hoare annotation was computed. [2020-07-07 10:45:31,426 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 487 510) no Hoare annotation was computed. [2020-07-07 10:45:31,426 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-07 10:45:31,426 INFO L268 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-07 10:45:31,427 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 10:45:31,428 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-07 10:45:31,428 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-07 10:45:31,428 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-07 10:45:31,428 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-07 10:45:31,428 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-07-07 10:45:31,428 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-07-07 10:45:31,428 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-07-07 10:45:31,428 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-07-07 10:45:31,429 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 558 603) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 558 603) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 558 603) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 871 916) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point L885(lines 885 905) no Hoare annotation was computed. [2020-07-07 10:45:31,430 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 905) no Hoare annotation was computed. [2020-07-07 10:45:31,431 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 871 916) no Hoare annotation was computed. [2020-07-07 10:45:31,431 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 871 916) no Hoare annotation was computed. [2020-07-07 10:45:31,431 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,431 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2020-07-07 10:45:31,431 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2020-07-07 10:45:31,431 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2020-07-07 10:45:31,431 INFO L271 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: true [2020-07-07 10:45:31,431 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 174 181) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2020-07-07 10:45:31,432 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2020-07-07 10:45:31,433 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2020-07-07 10:45:31,433 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse0 .cse7 .cse4) (or .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:31,433 INFO L268 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-07-07 10:45:31,433 INFO L268 CegarLoopResult]: For program point L127(lines 127 144) no Hoare annotation was computed. [2020-07-07 10:45:31,433 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2020-07-07 10:45:31,433 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse7 .cse8 .cse6 .cse4))) [2020-07-07 10:45:31,434 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse3))) [2020-07-07 10:45:31,434 INFO L268 CegarLoopResult]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2020-07-07 10:45:31,434 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4) (or .cse5 .cse1 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse4))) [2020-07-07 10:45:31,434 INFO L264 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (not (= 0 processEnvironment_~tmp~0)) (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse4) (or .cse6 .cse5 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-07 10:45:31,434 INFO L268 CegarLoopResult]: For program point L131(lines 131 139) no Hoare annotation was computed. [2020-07-07 10:45:31,435 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2020-07-07 10:45:31,435 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2020-07-07 10:45:31,435 INFO L264 CegarLoopResult]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:45:31,435 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse5 .cse1 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (not .cse4))) [2020-07-07 10:45:31,435 INFO L264 CegarLoopResult]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse5 .cse1 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (not .cse4))) [2020-07-07 10:45:31,436 INFO L268 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-07-07 10:45:31,436 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-07-07 10:45:31,436 INFO L268 CegarLoopResult]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2020-07-07 10:45:31,436 INFO L268 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-07-07 10:45:31,436 INFO L264 CegarLoopResult]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:45:31,436 INFO L268 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-07-07 10:45:31,436 INFO L264 CegarLoopResult]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse8 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse4) (not .cse4))) [2020-07-07 10:45:31,437 INFO L268 CegarLoopResult]: For program point L272(lines 271 316) no Hoare annotation was computed. [2020-07-07 10:45:31,437 INFO L268 CegarLoopResult]: For program point L301(lines 301 312) no Hoare annotation was computed. [2020-07-07 10:45:31,437 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse8 .cse0 .cse1 .cse4) (and .cse7 .cse0 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse4) (not .cse4))) [2020-07-07 10:45:31,437 INFO L268 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-07-07 10:45:31,437 INFO L268 CegarLoopResult]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2020-07-07 10:45:31,437 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2020-07-07 10:45:31,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 825 870) no Hoare annotation was computed. [2020-07-07 10:45:31,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 825 870) no Hoare annotation was computed. [2020-07-07 10:45:31,438 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 825 870) no Hoare annotation was computed. [2020-07-07 10:45:31,438 INFO L268 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-07-07 10:45:31,438 INFO L268 CegarLoopResult]: For program point L839(lines 839 859) no Hoare annotation was computed. [2020-07-07 10:45:31,438 INFO L268 CegarLoopResult]: For program point L839-1(lines 839 859) no Hoare annotation was computed. [2020-07-07 10:45:31,438 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:31,438 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2020-07-07 10:45:31,438 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2020-07-07 10:45:31,438 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point L768(lines 768 809) no Hoare annotation was computed. [2020-07-07 10:45:31,439 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 722 824) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point L810(lines 810 821) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 722 824) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point L773(lines 773 777) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point L771-2(lines 771 791) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point L792(lines 770 793) no Hoare annotation was computed. [2020-07-07 10:45:31,440 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 722 824) no Hoare annotation was computed. [2020-07-07 10:45:31,441 INFO L268 CegarLoopResult]: For program point L751(lines 751 767) no Hoare annotation was computed. [2020-07-07 10:45:31,441 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-07-07 10:45:31,441 INFO L268 CegarLoopResult]: For program point L772(lines 771 791) no Hoare annotation was computed. [2020-07-07 10:45:31,441 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-07 10:45:31,441 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-07-07 10:45:31,441 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:31,441 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#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)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#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~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:45:31,442 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:31,442 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-07 10:45:31,442 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2020-07-07 10:45:31,442 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:31,442 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse7 (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) .cse2)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse6 .cse3 .cse7 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4)))) [2020-07-07 10:45:31,442 INFO L268 CegarLoopResult]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2020-07-07 10:45:31,442 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-07 10:45:31,443 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-07 10:45:31,443 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2020-07-07 10:45:31,443 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-07-07 10:45:31,443 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2020-07-07 10:45:31,443 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-07 10:45:31,443 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2020-07-07 10:45:31,443 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2020-07-07 10:45:31,443 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-07 10:45:31,443 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-07-07 10:45:31,444 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-07 10:45:31,444 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-07 10:45:31,444 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse5 .cse4))) [2020-07-07 10:45:31,444 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-07-07 10:45:31,444 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-07-07 10:45:31,444 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:31,444 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:45:31,444 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:31,445 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2020-07-07 10:45:31,445 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-07-07 10:45:31,445 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-07-07 10:45:31,445 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse5 .cse6 .cse3) (or .cse5 .cse4 .cse6 .cse3) (or .cse1 .cse4 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3))) [2020-07-07 10:45:31,445 INFO L268 CegarLoopResult]: For program point L95(lines 94 113) no Hoare annotation was computed. [2020-07-07 10:45:31,445 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse10 .cse11)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse10 (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse8 .cse9 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse8 .cse9 .cse6 .cse4) (or .cse1 .cse5 .cse2 .cse7 .cse4)))) [2020-07-07 10:45:31,446 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2020-07-07 10:45:31,446 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse6 .cse9 .cse4) (or .cse5 .cse8 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse2 .cse9 .cse4) (or .cse8 .cse10 .cse1 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse1 .cse10 .cse2 .cse4))) [2020-07-07 10:45:31,446 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2020-07-07 10:45:31,446 INFO L264 CegarLoopResult]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 1 ~pumpRunning~0))) (let ((.cse0 (and .cse14 .cse13)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and (= 0 ~pumpRunning~0) .cse14)) (.cse10 (and (= 1 ~waterLevel~0) .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse11 .cse4) (or .cse8 .cse9 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse10 .cse1 .cse2 .cse11 .cse4) (or .cse9 .cse12 .cse6 .cse4) (or .cse5 .cse9 .cse6 .cse7 .cse4) (or .cse6 .cse12 .cse2 .cse4)))) [2020-07-07 10:45:31,446 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2020-07-07 10:45:31,446 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 10:45:31,447 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2020-07-07 10:45:31,447 INFO L268 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-07-07 10:45:31,447 INFO L271 CegarLoopResult]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2020-07-07 10:45:31,447 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-07 10:45:31,447 INFO L271 CegarLoopResult]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2020-07-07 10:45:31,447 INFO L271 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: true [2020-07-07 10:45:31,447 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-07 10:45:31,447 INFO L271 CegarLoopResult]: At program point L482(lines 457 486) the Hoare annotation is: true [2020-07-07 10:45:31,447 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2) (or .cse0 .cse5 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2020-07-07 10:45:31,448 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2020-07-07 10:45:31,448 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-07 10:45:31,448 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2020-07-07 10:45:31,448 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse4 .cse5 .cse3 .cse2) (or .cse4 .cse5 .cse1 .cse2))) [2020-07-07 10:45:31,448 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-07 10:45:31,448 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-07 10:45:31,448 INFO L268 CegarLoopResult]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2020-07-07 10:45:31,449 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-07 10:45:31,449 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-07 10:45:31,449 INFO L268 CegarLoopResult]: For program point L337(lines 337 357) no Hoare annotation was computed. [2020-07-07 10:45:31,449 INFO L271 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: true [2020-07-07 10:45:31,449 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-07 10:45:31,449 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-07-07 10:45:31,449 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:45:31,449 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-07-07 10:45:31,450 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2020-07-07 10:45:31,450 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2020-07-07 10:45:31,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:45:31,450 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)) [2020-07-07 10:45:31,450 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:45:31,450 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:45:31,450 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-07-07 10:45:31,450 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-07-07 10:45:31,451 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 .cse1 .cse3 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2020-07-07 10:45:31,451 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-07 10:45:31,451 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-07 10:45:31,451 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-07 10:45:31,451 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-07 10:45:31,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:45:31 BoogieIcfgContainer [2020-07-07 10:45:31,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:45:31,472 INFO L168 Benchmark]: Toolchain (without parser) took 64211.80 ms. Allocated memory was 137.4 MB in the beginning and 855.6 MB in the end (delta: 718.3 MB). Free memory was 100.7 MB in the beginning and 372.3 MB in the end (delta: -271.7 MB). Peak memory consumption was 721.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:31,472 INFO L168 Benchmark]: CDTParser took 1.41 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:45:31,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.87 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 171.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:31,474 INFO L168 Benchmark]: Boogie Preprocessor took 129.38 ms. Allocated memory is still 201.9 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:31,474 INFO L168 Benchmark]: RCFGBuilder took 1089.37 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 167.7 MB in the beginning and 200.8 MB in the end (delta: -33.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:31,475 INFO L168 Benchmark]: TraceAbstraction took 62302.46 ms. Allocated memory was 232.8 MB in the beginning and 855.6 MB in the end (delta: 622.9 MB). Free memory was 199.4 MB in the beginning and 372.3 MB in the end (delta: -172.9 MB). Peak memory consumption was 724.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:45:31,478 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.87 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 171.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.38 ms. Allocated memory is still 201.9 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1089.37 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 167.7 MB in the beginning and 200.8 MB in the end (delta: -33.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 62302.46 ms. Allocated memory was 232.8 MB in the beginning and 855.6 MB in the end (delta: 622.9 MB). Free memory was 199.4 MB in the beginning and 372.3 MB in the end (delta: -172.9 MB). Peak memory consumption was 724.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: ((((((((((((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.1s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 30.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1409 SDtfs, 2453 SDslu, 2225 SDs, 0 SdLazy, 7575 SolverSat, 1553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 383 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=998occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 476 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1829 PreInvPairs, 1925 NumberOfFragments, 2787 HoareAnnotationTreeSize, 1829 FomulaSimplifications, 7074050 FormulaSimplificationTreeSizeReduction, 4.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 304536 FormulaSimplificationTreeSizeReductionInter, 20.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 943 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 931 ConstructedInterpolants, 0 QuantifiedInterpolants, 295256 SizeOfPredicates, 6 NumberOfNonLiveVariables, 752 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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...