/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_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:41:45,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:41:45,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:41:45,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:41:45,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:41:45,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:41:45,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:41:45,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:41:45,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:41:45,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:41:45,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:41:45,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:41:45,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:41:45,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:41:45,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:41:45,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:41:45,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:41:45,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:41:45,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:41:45,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:41:45,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:41:45,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:41:45,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:41:45,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:41:45,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:41:45,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:41:45,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:41:45,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:41:45,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:41:45,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:41:45,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:41:45,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:41:45,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:41:45,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:41:45,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:41:45,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:41:45,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:41:45,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:41:45,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:41:45,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:41:45,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:41:45,861 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 10:41:45,897 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:41:45,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:41:45,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:41:45,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:41:45,901 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:41:45,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:41:45,902 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:41:45,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:41:45,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:41:45,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:41:45,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:41:45,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:41:45,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:41:45,903 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:41:45,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:41:45,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:41:45,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:41:45,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:41:45,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:41:45,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:41:45,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:41:45,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:41:45,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:41:45,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:41:45,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:41:45,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:41:45,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:41:45,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:41:45,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:41:45,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:41:46,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:41:46,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:41:46,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:41:46,224 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:41:46,225 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:41:46,225 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-07 10:41:46,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446f4eea7/637dc68b5cca46bcb931255e70172fc4/FLAGbfc20980b [2020-07-07 10:41:46,802 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:41:46,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-07 10:41:46,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446f4eea7/637dc68b5cca46bcb931255e70172fc4/FLAGbfc20980b [2020-07-07 10:41:47,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446f4eea7/637dc68b5cca46bcb931255e70172fc4 [2020-07-07 10:41:47,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:41:47,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:41:47,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:47,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:41:47,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:41:47,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351ff605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47, skipping insertion in model container [2020-07-07 10:41:47,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:41:47,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:41:47,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:47,590 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:41:47,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:47,715 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:41:47,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47 WrapperNode [2020-07-07 10:41:47,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:47,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:41:47,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:41:47,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:41:47,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (1/1) ... [2020-07-07 10:41:47,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:41:47,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:41:47,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:41:47,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:41:47,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (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 10:41:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:41:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:41:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:47,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:41:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:41:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:41:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:41:47,961 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:41:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:41:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:41:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:41:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:41:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:41:47,962 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:41:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:41:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:41:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:41:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:41:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:41:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:41:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:41:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:41:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:41:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:41:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:41:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:41:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:41:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:41:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:41:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:41:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:41:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:41:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:41:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:41:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:41:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:41:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:41:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:41:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:41:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:41:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:41:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:41:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:41:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:41:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:41:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:41:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:41:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:41:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:41:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:41:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:41:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:41:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:41:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:41:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:41:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:41:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:41:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:41:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:41:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:41:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:41:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:41:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:41:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:41:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:41:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:41:47,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:41:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:41:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:41:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:41:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:41:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:41:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:41:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:41:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:41:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:41:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:41:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:41:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:41:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:41:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:41:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:41:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:41:49,032 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:41:49,032 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:41:49,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:49 BoogieIcfgContainer [2020-07-07 10:41:49,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:41:49,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:41:49,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:41:49,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:41:49,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:41:47" (1/3) ... [2020-07-07 10:41:49,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4290e4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:49, skipping insertion in model container [2020-07-07 10:41:49,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:47" (2/3) ... [2020-07-07 10:41:49,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4290e4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:49, skipping insertion in model container [2020-07-07 10:41:49,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:49" (3/3) ... [2020-07-07 10:41:49,052 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-07-07 10:41:49,063 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:41:49,073 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:41:49,093 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:41:49,113 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:41:49,113 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:41:49,113 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:41:49,114 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:41:49,114 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:41:49,114 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:41:49,114 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:41:49,114 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:41:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-07 10:41:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:41:49,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:49,148 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] [2020-07-07 10:41:49,148 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:49,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:49,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1698741088, now seen corresponding path program 1 times [2020-07-07 10:41:49,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:49,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302057336] [2020-07-07 10:41:49,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,821 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:49,956 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 10:41:49,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302057336] [2020-07-07 10:41:49,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:49,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:41:49,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425832591] [2020-07-07 10:41:49,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:41:49,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:49,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:41:49,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:41:49,990 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2020-07-07 10:41:51,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:51,226 INFO L93 Difference]: Finished difference Result 296 states and 387 transitions. [2020-07-07 10:41:51,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:41:51,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:41:51,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:51,244 INFO L225 Difference]: With dead ends: 296 [2020-07-07 10:41:51,244 INFO L226 Difference]: Without dead ends: 165 [2020-07-07 10:41:51,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:41:51,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-07 10:41:51,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 132. [2020-07-07 10:41:51,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-07 10:41:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-07 10:41:51,344 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2020-07-07 10:41:51,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:51,344 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-07 10:41:51,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:41:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-07 10:41:51,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:41:51,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:51,349 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 10:41:51,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:41:51,349 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:51,350 INFO L82 PathProgramCache]: Analyzing trace with hash 160126664, now seen corresponding path program 1 times [2020-07-07 10:41:51,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:51,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232376069] [2020-07-07 10:41:51,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,719 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:51,820 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 10:41:51,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232376069] [2020-07-07 10:41:51,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:51,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:41:51,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785825152] [2020-07-07 10:41:51,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:41:51,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:51,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:41:51,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:41:51,825 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 5 states. [2020-07-07 10:41:52,283 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:53,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:53,175 INFO L93 Difference]: Finished difference Result 237 states and 294 transitions. [2020-07-07 10:41:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:41:53,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:41:53,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:53,179 INFO L225 Difference]: With dead ends: 237 [2020-07-07 10:41:53,179 INFO L226 Difference]: Without dead ends: 155 [2020-07-07 10:41:53,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:41:53,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-07 10:41:53,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-07-07 10:41:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-07 10:41:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-07 10:41:53,260 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2020-07-07 10:41:53,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:53,261 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-07 10:41:53,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:41:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-07 10:41:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:41:53,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:53,271 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 10:41:53,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:41:53,272 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:53,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:53,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1051645430, now seen corresponding path program 1 times [2020-07-07 10:41:53,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:53,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606102220] [2020-07-07 10:41:53,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,699 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:53,842 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 10:41:53,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606102220] [2020-07-07 10:41:53,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:53,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:41:53,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094802040] [2020-07-07 10:41:53,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:41:53,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:53,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:41:53,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:41:53,847 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 9 states. [2020-07-07 10:41:54,295 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:54,652 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:41:54,897 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:55,134 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:56,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:56,388 INFO L93 Difference]: Finished difference Result 250 states and 313 transitions. [2020-07-07 10:41:56,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:41:56,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-07 10:41:56,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:56,393 INFO L225 Difference]: With dead ends: 250 [2020-07-07 10:41:56,393 INFO L226 Difference]: Without dead ends: 155 [2020-07-07 10:41:56,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:41:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-07 10:41:56,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-07-07 10:41:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-07 10:41:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-07-07 10:41:56,453 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2020-07-07 10:41:56,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:56,453 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-07-07 10:41:56,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:41:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-07-07 10:41:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:41:56,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:56,456 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] [2020-07-07 10:41:56,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:41:56,456 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:56,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:56,457 INFO L82 PathProgramCache]: Analyzing trace with hash 23828646, now seen corresponding path program 1 times [2020-07-07 10:41:56,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:56,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805789717] [2020-07-07 10:41:56,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,707 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:56,842 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 10:41:56,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805789717] [2020-07-07 10:41:56,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:56,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:41:56,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520626432] [2020-07-07 10:41:56,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:41:56,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:56,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:41:56,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:41:56,845 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2020-07-07 10:41:57,236 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:58,414 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:59,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:59,129 INFO L93 Difference]: Finished difference Result 349 states and 441 transitions. [2020-07-07 10:41:59,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:41:59,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-07 10:41:59,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:59,133 INFO L225 Difference]: With dead ends: 349 [2020-07-07 10:41:59,133 INFO L226 Difference]: Without dead ends: 254 [2020-07-07 10:41:59,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:41:59,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-07 10:41:59,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 205. [2020-07-07 10:41:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-07-07 10:41:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2020-07-07 10:41:59,186 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2020-07-07 10:41:59,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:59,186 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2020-07-07 10:41:59,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:41:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2020-07-07 10:41:59,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:41:59,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:59,188 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, 1] [2020-07-07 10:41:59,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:41:59,189 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:59,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:59,189 INFO L82 PathProgramCache]: Analyzing trace with hash 765865706, now seen corresponding path program 1 times [2020-07-07 10:41:59,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:59,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619470721] [2020-07-07 10:41:59,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,490 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:59,586 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 10:41:59,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619470721] [2020-07-07 10:41:59,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:59,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:41:59,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156942155] [2020-07-07 10:41:59,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:41:59,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:59,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:41:59,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:41:59,589 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 9 states. [2020-07-07 10:42:00,045 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:01,191 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:01,491 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:01,720 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:01,950 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:03,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:03,077 INFO L93 Difference]: Finished difference Result 611 states and 771 transitions. [2020-07-07 10:42:03,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:42:03,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-07 10:42:03,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:03,084 INFO L225 Difference]: With dead ends: 611 [2020-07-07 10:42:03,085 INFO L226 Difference]: Without dead ends: 434 [2020-07-07 10:42:03,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:42:03,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-07 10:42:03,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 358. [2020-07-07 10:42:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-07-07 10:42:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2020-07-07 10:42:03,162 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2020-07-07 10:42:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:03,163 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2020-07-07 10:42:03,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2020-07-07 10:42:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:03,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:03,165 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, 1, 1, 1, 1, 1] [2020-07-07 10:42:03,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:42:03,166 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:03,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1305842374, now seen corresponding path program 1 times [2020-07-07 10:42:03,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:03,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274494637] [2020-07-07 10:42:03,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,464 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:03,591 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 10:42:03,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274494637] [2020-07-07 10:42:03,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:03,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:03,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672780059] [2020-07-07 10:42:03,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:03,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:03,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:03,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:03,593 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 10 states. [2020-07-07 10:42:04,195 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:05,335 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:05,559 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:05,806 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:06,095 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:07,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:07,200 INFO L93 Difference]: Finished difference Result 802 states and 995 transitions. [2020-07-07 10:42:07,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:07,201 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-07 10:42:07,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:07,207 INFO L225 Difference]: With dead ends: 802 [2020-07-07 10:42:07,207 INFO L226 Difference]: Without dead ends: 472 [2020-07-07 10:42:07,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:42:07,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-07-07 10:42:07,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 357. [2020-07-07 10:42:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-07-07 10:42:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2020-07-07 10:42:07,291 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2020-07-07 10:42:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:07,292 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2020-07-07 10:42:07,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2020-07-07 10:42:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:07,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:07,294 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:07,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:42:07,294 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:07,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:07,294 INFO L82 PathProgramCache]: Analyzing trace with hash -638509814, now seen corresponding path program 1 times [2020-07-07 10:42:07,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:07,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817718316] [2020-07-07 10:42:07,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,610 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:07,769 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 10:42:07,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817718316] [2020-07-07 10:42:07,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:07,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:07,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618540424] [2020-07-07 10:42:07,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:07,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:07,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:07,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:07,778 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 10 states. [2020-07-07 10:42:09,061 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:09,312 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:42:09,562 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:09,808 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:10,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:10,726 INFO L93 Difference]: Finished difference Result 805 states and 1004 transitions. [2020-07-07 10:42:10,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:10,727 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-07 10:42:10,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:10,731 INFO L225 Difference]: With dead ends: 805 [2020-07-07 10:42:10,731 INFO L226 Difference]: Without dead ends: 476 [2020-07-07 10:42:10,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:10,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-07-07 10:42:10,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 367. [2020-07-07 10:42:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-07-07 10:42:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2020-07-07 10:42:10,810 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2020-07-07 10:42:10,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:10,811 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2020-07-07 10:42:10,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2020-07-07 10:42:10,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:10,813 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:10,813 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:10,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:10,813 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:10,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:10,814 INFO L82 PathProgramCache]: Analyzing trace with hash 63090060, now seen corresponding path program 1 times [2020-07-07 10:42:10,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:10,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94243898] [2020-07-07 10:42:10,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,090 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:11,254 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 10:42:11,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94243898] [2020-07-07 10:42:11,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:11,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:42:11,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366363396] [2020-07-07 10:42:11,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:42:11,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:11,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:42:11,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:42:11,263 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 12 states. [2020-07-07 10:42:12,262 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:12,514 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:12,754 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:13,465 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:13,732 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:13,991 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:15,005 INFO L93 Difference]: Finished difference Result 829 states and 1046 transitions. [2020-07-07 10:42:15,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:15,006 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:42:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:15,010 INFO L225 Difference]: With dead ends: 829 [2020-07-07 10:42:15,011 INFO L226 Difference]: Without dead ends: 490 [2020-07-07 10:42:15,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:42:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-07-07 10:42:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 375. [2020-07-07 10:42:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-07-07 10:42:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2020-07-07 10:42:15,072 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2020-07-07 10:42:15,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:15,072 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2020-07-07 10:42:15,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:42:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2020-07-07 10:42:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:42:15,074 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:15,074 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:15,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:15,074 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:15,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:15,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1788570957, now seen corresponding path program 1 times [2020-07-07 10:42:15,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:15,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749785374] [2020-07-07 10:42:15,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,378 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:15,527 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 10:42:15,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749785374] [2020-07-07 10:42:15,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:15,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:15,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492281115] [2020-07-07 10:42:15,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:15,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:15,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:15,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:15,530 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 8 states. [2020-07-07 10:42:16,058 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:16,610 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:19,037 INFO L93 Difference]: Finished difference Result 1177 states and 1533 transitions. [2020-07-07 10:42:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:19,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-07-07 10:42:19,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:19,045 INFO L225 Difference]: With dead ends: 1177 [2020-07-07 10:42:19,045 INFO L226 Difference]: Without dead ends: 830 [2020-07-07 10:42:19,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:42:19,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-07-07 10:42:19,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 685. [2020-07-07 10:42:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-07-07 10:42:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 803 transitions. [2020-07-07 10:42:19,161 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 803 transitions. Word has length 89 [2020-07-07 10:42:19,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:19,162 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 803 transitions. [2020-07-07 10:42:19,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 803 transitions. [2020-07-07 10:42:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:42:19,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:19,164 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:19,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:42:19,164 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:19,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1370895219, now seen corresponding path program 1 times [2020-07-07 10:42:19,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:19,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815556369] [2020-07-07 10:42:19,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,418 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:19,551 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 10:42:19,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815556369] [2020-07-07 10:42:19,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:19,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:19,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940016351] [2020-07-07 10:42:19,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:19,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:19,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:19,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:19,554 INFO L87 Difference]: Start difference. First operand 685 states and 803 transitions. Second operand 8 states. [2020-07-07 10:42:20,012 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:22,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:22,722 INFO L93 Difference]: Finished difference Result 1357 states and 1763 transitions. [2020-07-07 10:42:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 10:42:22,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-07 10:42:22,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:22,732 INFO L225 Difference]: With dead ends: 1357 [2020-07-07 10:42:22,732 INFO L226 Difference]: Without dead ends: 1354 [2020-07-07 10:42:22,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:42:22,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-07-07 10:42:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1127. [2020-07-07 10:42:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-07-07 10:42:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1336 transitions. [2020-07-07 10:42:23,007 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1336 transitions. Word has length 93 [2020-07-07 10:42:23,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:23,007 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1336 transitions. [2020-07-07 10:42:23,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1336 transitions. [2020-07-07 10:42:23,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 10:42:23,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:23,014 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:23,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:42:23,014 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:23,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:23,015 INFO L82 PathProgramCache]: Analyzing trace with hash -669184687, now seen corresponding path program 1 times [2020-07-07 10:42:23,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:23,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102534623] [2020-07-07 10:42:23,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,318 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-07 10:42:23,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102534623] [2020-07-07 10:42:23,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976838537] [2020-07-07 10:42:23,628 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 10:42:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:23,820 INFO L264 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:42:23,833 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 10:42:24,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:24,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-07 10:42:24,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344090497] [2020-07-07 10:42:24,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:24,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:24,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:24,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:42:24,040 INFO L87 Difference]: Start difference. First operand 1127 states and 1336 transitions. Second operand 8 states. [2020-07-07 10:42:24,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:24,570 INFO L93 Difference]: Finished difference Result 2035 states and 2394 transitions. [2020-07-07 10:42:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:42:24,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-07 10:42:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:24,577 INFO L225 Difference]: With dead ends: 2035 [2020-07-07 10:42:24,577 INFO L226 Difference]: Without dead ends: 936 [2020-07-07 10:42:24,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:42:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-07-07 10:42:24,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2020-07-07 10:42:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2020-07-07 10:42:24,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1063 transitions. [2020-07-07 10:42:24,805 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1063 transitions. Word has length 152 [2020-07-07 10:42:24,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:24,807 INFO L479 AbstractCegarLoop]: Abstraction has 936 states and 1063 transitions. [2020-07-07 10:42:24,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1063 transitions. [2020-07-07 10:42:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 10:42:24,813 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:24,814 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:25,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:42:25,028 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:25,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:25,029 INFO L82 PathProgramCache]: Analyzing trace with hash 906656976, now seen corresponding path program 1 times [2020-07-07 10:42:25,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:25,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776820956] [2020-07-07 10:42:25,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,420 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-07 10:42:25,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776820956] [2020-07-07 10:42:25,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757699042] [2020-07-07 10:42:25,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:42:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:25,881 INFO L264 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 10:42:25,887 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:42:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:25,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:42:25,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-07 10:42:25,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537580191] [2020-07-07 10:42:25,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:42:25,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:25,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:42:25,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:42:25,932 INFO L87 Difference]: Start difference. First operand 936 states and 1063 transitions. Second operand 3 states. [2020-07-07 10:42:26,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:26,206 INFO L93 Difference]: Finished difference Result 1566 states and 1807 transitions. [2020-07-07 10:42:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:42:26,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-07 10:42:26,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:26,208 INFO L225 Difference]: With dead ends: 1566 [2020-07-07 10:42:26,208 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:42:26,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:42:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:42:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:42:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:42:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:42:26,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-07 10:42:26,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:26,214 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:42:26,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:42:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:42:26,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:42:26,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:42:26,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:42:26,634 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-07-07 10:42:26,895 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 28 [2020-07-07 10:42:27,187 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-07-07 10:42:27,344 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 24 [2020-07-07 10:42:27,502 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 26 [2020-07-07 10:42:27,651 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 25 [2020-07-07 10:42:29,400 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-07-07 10:42:29,907 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-07-07 10:42:30,710 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 295 [2020-07-07 10:42:31,760 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 291 [2020-07-07 10:42:33,629 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 296 [2020-07-07 10:42:34,428 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2020-07-07 10:42:35,338 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-07-07 10:42:35,555 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:42:36,009 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-07-07 10:42:36,196 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:42:36,795 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-07 10:42:36,985 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:42:37,175 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:42:38,051 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-07 10:42:38,233 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-07 10:42:38,693 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-07 10:42:39,869 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-07-07 10:42:40,863 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 43 [2020-07-07 10:42:41,062 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:42,016 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 43 [2020-07-07 10:42:42,199 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:42:42,776 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-07 10:42:44,037 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 177 DAG size of output: 40 [2020-07-07 10:42:45,717 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 242 DAG size of output: 44 [2020-07-07 10:42:45,894 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-07 10:42:46,434 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-07 10:42:47,256 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-07-07 10:42:47,764 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:42:48,360 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-07-07 10:42:49,202 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-07-07 10:42:49,881 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-07 10:42:51,515 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 243 DAG size of output: 43 [2020-07-07 10:42:51,693 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:42:52,228 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-07 10:42:52,393 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:42:53,238 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:42:54,200 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 43 [2020-07-07 10:42:54,361 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:42:54,995 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-07-07 10:42:55,172 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:42:55,451 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-07 10:42:55,648 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-07 10:42:55,812 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-07 10:42:55,984 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:42:56,171 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-07 10:42:56,342 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-07-07 10:42:56,906 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-07-07 10:42:57,397 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-07 10:42:57,569 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:42:58,386 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-07 10:42:59,340 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 38 [2020-07-07 10:43:01,021 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 243 DAG size of output: 44 [2020-07-07 10:43:01,026 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-07 10:43:01,026 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-07 10:43:01,026 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-07 10:43:01,026 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2020-07-07 10:43:01,026 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 636 691) no Hoare annotation was computed. [2020-07-07 10:43:01,026 INFO L268 CegarLoopResult]: For program point L683(lines 660 684) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point L724-1(lines 724 728) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2020-07-07 10:43:01,027 INFO L268 CegarLoopResult]: For program point L744(lines 717 745) no Hoare annotation was computed. [2020-07-07 10:43:01,028 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2020-07-07 10:43:01,028 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2020-07-07 10:43:01,028 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:43:01,028 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2020-07-07 10:43:01,028 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-07 10:43:01,028 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,029 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,029 INFO L264 CegarLoopResult]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,030 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-07-07 10:43:01,030 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2020-07-07 10:43:01,030 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-07 10:43:01,030 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2020-07-07 10:43:01,030 INFO L264 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,030 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,030 INFO L264 CegarLoopResult]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-07 10:43:01,031 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2020-07-07 10:43:01,032 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2020-07-07 10:43:01,032 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 258 293) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2020-07-07 10:43:01,033 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2020-07-07 10:43:01,033 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 590 635) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point L923(lines 923 930) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 903 948) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point L917(lines 917 937) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 937) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,034 INFO L264 CegarLoopResult]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2020-07-07 10:43:01,034 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2020-07-07 10:43:01,035 INFO L271 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: true [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point L243-1(line 243) no Hoare annotation was computed. [2020-07-07 10:43:01,035 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse1 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2020-07-07 10:43:01,035 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2020-07-07 10:43:01,035 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2020-07-07 10:43:01,036 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-07 10:43:01,036 INFO L268 CegarLoopResult]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2020-07-07 10:43:01,036 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2020-07-07 10:43:01,036 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse7 .cse6 .cse2 .cse4))) [2020-07-07 10:43:01,036 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-07 10:43:01,036 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-07 10:43:01,036 INFO L268 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-07-07 10:43:01,037 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-07 10:43:01,037 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-07 10:43:01,037 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-07 10:43:01,037 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2020-07-07 10:43:01,037 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2020-07-07 10:43:01,037 INFO L264 CegarLoopResult]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,037 INFO L264 CegarLoopResult]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6 .cse2) (and (<= 2 ~waterLevel~0) .cse1 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:01,038 INFO L264 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6 .cse2) (and (<= 2 ~waterLevel~0) .cse1 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:01,038 INFO L268 CegarLoopResult]: For program point L345(lines 345 351) no Hoare annotation was computed. [2020-07-07 10:43:01,038 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2020-07-07 10:43:01,038 INFO L268 CegarLoopResult]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2020-07-07 10:43:01,038 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-07 10:43:01,038 INFO L264 CegarLoopResult]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:01,038 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-07 10:43:01,038 INFO L264 CegarLoopResult]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse5 .cse7 .cse1 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse4 .cse6) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point L336(lines 335 382) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse5 .cse7 .cse1 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse4 .cse6) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse6 .cse0 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 857 902) no Hoare annotation was computed. [2020-07-07 10:43:01,039 INFO L268 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point L871(lines 871 891) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point L871-1(lines 871 891) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-07 10:43:01,040 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4 .cse2))) [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point L72(lines 72 82) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse3 .cse2) (or .cse4 .cse1 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point L70-1(line 70) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point L68(lines 68 85) no Hoare annotation was computed. [2020-07-07 10:43:01,040 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-07 10:43:01,041 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point L545(lines 545 553) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 94 103) no Hoare annotation was computed. [2020-07-07 10:43:01,041 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L824(lines 802 825) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L783(lines 783 799) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L804(lines 803 823) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L800(lines 800 841) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2020-07-07 10:43:01,042 INFO L268 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-07-07 10:43:01,043 INFO L268 CegarLoopResult]: For program point L842(lines 842 853) no Hoare annotation was computed. [2020-07-07 10:43:01,043 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-07-07 10:43:01,043 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:01,043 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~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)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~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~string56.offset| |old(#t~string56.offset)|) (= |#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~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#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~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:43:01,043 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:01,043 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2020-07-07 10:43:01,043 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2020-07-07 10:43:01,044 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4))) [2020-07-07 10:43:01,044 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2020-07-07 10:43:01,044 INFO L268 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-07-07 10:43:01,044 INFO L271 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: true [2020-07-07 10:43:01,044 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-07-07 10:43:01,044 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-07-07 10:43:01,044 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2020-07-07 10:43:01,044 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse3) (or .cse4 .cse0 .cse6 .cse2 .cse3))) [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:43:01,045 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:01,046 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2020-07-07 10:43:01,046 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2020-07-07 10:43:01,046 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2020-07-07 10:43:01,046 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse7 .cse4))) [2020-07-07 10:43:01,046 INFO L264 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse4 (and .cse11 .cse13)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (<= 2 ~waterLevel~0) .cse12 .cse13 (<= 1 ~pumpRunning~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) .cse11 .cse12)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse4 .cse7 .cse5) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse6 .cse8 .cse9 .cse2 .cse10 .cse5) (or .cse8 .cse9 .cse2 .cse3 .cse10 .cse5)))) [2020-07-07 10:43:01,046 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse9 .cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 ~methAndRunningLastTime~0) .cse9 .cse10)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse8 .cse3 .cse4) (or .cse8 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4)))) [2020-07-07 10:43:01,047 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (= 0 ~pumpRunning~0) .cse12)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse11 .cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse11 .cse12)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse4) (or .cse5 .cse7 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse9 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4)))) [2020-07-07 10:43:01,047 INFO L268 CegarLoopResult]: For program point L143(lines 142 161) no Hoare annotation was computed. [2020-07-07 10:43:01,047 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2020-07-07 10:43:01,047 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2020-07-07 10:43:01,047 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2020-07-07 10:43:01,047 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-07 10:43:01,047 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2020-07-07 10:43:01,047 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-07 10:43:01,048 INFO L271 CegarLoopResult]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2020-07-07 10:43:01,048 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-07 10:43:01,048 INFO L271 CegarLoopResult]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2020-07-07 10:43:01,048 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-07-07 10:43:01,048 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-07-07 10:43:01,048 INFO L271 CegarLoopResult]: At program point L418(lines 393 422) the Hoare annotation is: true [2020-07-07 10:43:01,048 INFO L268 CegarLoopResult]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2020-07-07 10:43:01,049 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-07-07 10:43:01,049 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2020-07-07 10:43:01,049 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2020-07-07 10:43:01,049 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2020-07-07 10:43:01,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:01,050 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:43:01,050 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:43:01,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:01,050 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2020-07-07 10:43:01,050 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (= |old(~systemActive~0)| ~systemActive~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse2 .cse5 .cse3 .cse7 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4))) [2020-07-07 10:43:01,051 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2020-07-07 10:43:01,051 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-07 10:43:01,051 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-07 10:43:01,051 INFO L268 CegarLoopResult]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2020-07-07 10:43:01,051 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2020-07-07 10:43:01,051 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse1) (or .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse1))) [2020-07-07 10:43:01,051 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-07 10:43:01,052 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-07 10:43:01,052 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-07 10:43:01,052 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-07 10:43:01,052 INFO L268 CegarLoopResult]: For program point L175(lines 175 192) no Hoare annotation was computed. [2020-07-07 10:43:01,052 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2020-07-07 10:43:01,052 INFO L268 CegarLoopResult]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2020-07-07 10:43:01,052 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse5 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-07 10:43:01,052 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:43:01,053 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:43:01,053 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:43:01,053 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:43:01,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:43:01 BoogieIcfgContainer [2020-07-07 10:43:01,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:43:01,088 INFO L168 Benchmark]: Toolchain (without parser) took 73945.02 ms. Allocated memory was 146.3 MB in the beginning and 935.3 MB in the end (delta: 789.1 MB). Free memory was 103.3 MB in the beginning and 296.6 MB in the end (delta: -193.3 MB). Peak memory consumption was 807.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:01,089 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:43:01,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.34 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 171.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:01,090 INFO L168 Benchmark]: Boogie Preprocessor took 169.42 ms. Allocated memory is still 203.9 MB. Free memory was 171.7 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 10:43:01,095 INFO L168 Benchmark]: RCFGBuilder took 1154.15 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.7 MB in the beginning and 193.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:01,096 INFO L168 Benchmark]: TraceAbstraction took 72044.62 ms. Allocated memory was 235.4 MB in the beginning and 935.3 MB in the end (delta: 699.9 MB). Free memory was 193.5 MB in the beginning and 296.6 MB in the end (delta: -103.1 MB). Peak memory consumption was 808.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:01,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 572.34 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 171.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.42 ms. Allocated memory is still 203.9 MB. Free memory was 171.7 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 1154.15 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.7 MB in the beginning and 193.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 72044.62 ms. Allocated memory was 235.4 MB in the beginning and 935.3 MB in the end (delta: 699.9 MB). Free memory was 193.5 MB in the beginning and 296.6 MB in the end (delta: -103.1 MB). Peak memory consumption was 808.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && \old(methAndRunningLastTime) == methAndRunningLastTime) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1587 SDtfs, 3191 SDslu, 2432 SDs, 0 SdLazy, 6157 SolverSat, 2340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 866 GetRequests, 669 SyntacticMatches, 4 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1127occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 933 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1895 PreInvPairs, 2000 NumberOfFragments, 3091 HoareAnnotationTreeSize, 1895 FomulaSimplifications, 417099498 FormulaSimplificationTreeSizeReduction, 7.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 17882106 FormulaSimplificationTreeSizeReductionInter, 27.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 465508 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1854 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 184/194 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...