/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:58:42,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:58:42,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:58:42,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:58:42,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:58:42,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:58:42,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:58:42,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:58:42,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:58:42,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:58:42,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:58:42,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:58:42,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:58:42,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:58:42,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:58:42,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:58:42,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:58:42,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:58:42,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:58:42,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:58:42,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:58:42,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:58:42,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:58:42,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:58:42,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:58:42,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:58:42,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:58:42,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:58:42,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:58:42,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:58:42,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:58:42,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:58:42,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:58:42,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:58:42,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:58:42,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:58:42,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:58:42,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:58:42,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:58:42,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:58:42,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:58:42,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 20:58:42,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:58:42,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:58:42,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:58:42,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:58:42,834 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:58:42,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:58:42,834 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:58:42,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:58:42,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:58:42,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:58:42,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:58:42,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:58:42,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:58:42,836 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:58:42,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:58:42,836 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:58:42,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:58:42,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:58:42,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:58:42,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:58:42,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:58:42,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:58:42,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:58:42,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:58:42,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:58:42,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:58:42,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:58:42,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:58:42,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:58:42,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:58:43,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:58:43,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:58:43,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:58:43,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:58:43,152 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:58:43,152 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-07-19 20:58:43,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83a9d935/2de8d3cbe96b4e60b04e45e6bc97b30b/FLAGabd71eb96 [2020-07-19 20:58:43,759 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:58:43,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2020-07-19 20:58:43,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83a9d935/2de8d3cbe96b4e60b04e45e6bc97b30b/FLAGabd71eb96 [2020-07-19 20:58:44,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83a9d935/2de8d3cbe96b4e60b04e45e6bc97b30b [2020-07-19 20:58:44,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:58:44,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:58:44,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:58:44,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:58:44,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:58:44,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:44,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74274924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44, skipping insertion in model container [2020-07-19 20:58:44,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:44,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:58:44,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:58:44,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:58:44,825 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:58:44,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:58:44,979 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:58:44,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44 WrapperNode [2020-07-19 20:58:44,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:58:44,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:58:44,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:58:44,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:58:44,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:44,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:45,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:45,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:45,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:45,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:45,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... [2020-07-19 20:58:45,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:58:45,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:58:45,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:58:45,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:58:45,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:58:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:58:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:58:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 20:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 20:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 20:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 20:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 20:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:58:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:58:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 20:58:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 20:58:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:58:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:58:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-19 20:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-19 20:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:58:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:58:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:58:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:58:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:58:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:58:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 20:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 20:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 20:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 20:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 20:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 20:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 20:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:58:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:58:46,126 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:58:46,127 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:58:46,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:58:46 BoogieIcfgContainer [2020-07-19 20:58:46,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:58:46,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:58:46,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:58:46,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:58:46,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:58:44" (1/3) ... [2020-07-19 20:58:46,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720481e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:58:46, skipping insertion in model container [2020-07-19 20:58:46,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:58:44" (2/3) ... [2020-07-19 20:58:46,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720481e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:58:46, skipping insertion in model container [2020-07-19 20:58:46,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:58:46" (3/3) ... [2020-07-19 20:58:46,143 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2020-07-19 20:58:46,154 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:58:46,161 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:58:46,175 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:58:46,198 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:58:46,198 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:58:46,199 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:58:46,199 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:58:46,199 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:58:46,199 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:58:46,200 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:58:46,200 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:58:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-07-19 20:58:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 20:58:46,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:46,233 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] [2020-07-19 20:58:46,234 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:46,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:46,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1299073538, now seen corresponding path program 1 times [2020-07-19 20:58:46,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:46,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656299346] [2020-07-19 20:58:46,250 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:58:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,856 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:46,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656299346] [2020-07-19 20:58:46,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:46,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:58:46,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045847382] [2020-07-19 20:58:46,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:58:46,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:46,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:58:46,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:58:46,982 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2020-07-19 20:58:48,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:48,326 INFO L93 Difference]: Finished difference Result 344 states and 448 transitions. [2020-07-19 20:58:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 20:58:48,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-19 20:58:48,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:48,354 INFO L225 Difference]: With dead ends: 344 [2020-07-19 20:58:48,354 INFO L226 Difference]: Without dead ends: 190 [2020-07-19 20:58:48,362 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 [2020-07-19 20:58:48,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-19 20:58:48,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 155. [2020-07-19 20:58:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-19 20:58:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2020-07-19 20:58:48,478 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2020-07-19 20:58:48,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:48,479 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2020-07-19 20:58:48,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:58:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2020-07-19 20:58:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 20:58:48,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:48,483 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] [2020-07-19 20:58:48,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:58:48,483 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:48,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:48,484 INFO L82 PathProgramCache]: Analyzing trace with hash -155172335, now seen corresponding path program 1 times [2020-07-19 20:58:48,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:48,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282067684] [2020-07-19 20:58:48,485 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:58:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,815 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:48,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282067684] [2020-07-19 20:58:48,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:48,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 20:58:48,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386823199] [2020-07-19 20:58:48,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 20:58:48,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:48,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 20:58:48,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:58:48,877 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 5 states. [2020-07-19 20:58:49,455 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:50,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:50,624 INFO L93 Difference]: Finished difference Result 289 states and 359 transitions. [2020-07-19 20:58:50,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 20:58:50,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-19 20:58:50,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:50,630 INFO L225 Difference]: With dead ends: 289 [2020-07-19 20:58:50,630 INFO L226 Difference]: Without dead ends: 180 [2020-07-19 20:58:50,637 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 [2020-07-19 20:58:50,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-07-19 20:58:50,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 146. [2020-07-19 20:58:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-19 20:58:50,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2020-07-19 20:58:50,684 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2020-07-19 20:58:50,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:50,684 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2020-07-19 20:58:50,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 20:58:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2020-07-19 20:58:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-19 20:58:50,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:50,687 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] [2020-07-19 20:58:50,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:58:50,688 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:50,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1504957008, now seen corresponding path program 1 times [2020-07-19 20:58:50,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:50,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597540602] [2020-07-19 20:58:50,689 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:58:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,075 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:51,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597540602] [2020-07-19 20:58:51,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:51,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:58:51,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229199350] [2020-07-19 20:58:51,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:58:51,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:51,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:58:51,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:58:51,192 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 9 states. [2020-07-19 20:58:51,597 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:51,927 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 20:58:52,206 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:52,449 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:53,982 INFO L93 Difference]: Finished difference Result 298 states and 374 transitions. [2020-07-19 20:58:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 20:58:53,983 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-19 20:58:53,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:53,986 INFO L225 Difference]: With dead ends: 298 [2020-07-19 20:58:53,986 INFO L226 Difference]: Without dead ends: 180 [2020-07-19 20:58:53,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 20:58:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-07-19 20:58:54,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 146. [2020-07-19 20:58:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-19 20:58:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2020-07-19 20:58:54,028 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2020-07-19 20:58:54,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:54,029 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2020-07-19 20:58:54,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:58:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2020-07-19 20:58:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-19 20:58:54,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:54,033 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] [2020-07-19 20:58:54,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:58:54,033 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:54,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:54,033 INFO L82 PathProgramCache]: Analyzing trace with hash -775636071, now seen corresponding path program 1 times [2020-07-19 20:58:54,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:54,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400471992] [2020-07-19 20:58:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:58:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,303 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:54,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400471992] [2020-07-19 20:58:54,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:54,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 20:58:54,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096291079] [2020-07-19 20:58:54,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 20:58:54,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:54,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 20:58:54,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 20:58:54,421 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 7 states. [2020-07-19 20:58:54,817 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:56,136 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:58:57,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:58:57,043 INFO L93 Difference]: Finished difference Result 403 states and 508 transitions. [2020-07-19 20:58:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 20:58:57,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-19 20:58:57,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:58:57,048 INFO L225 Difference]: With dead ends: 403 [2020-07-19 20:58:57,049 INFO L226 Difference]: Without dead ends: 285 [2020-07-19 20:58:57,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 20:58:57,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-07-19 20:58:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 239. [2020-07-19 20:58:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-07-19 20:58:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2020-07-19 20:58:57,125 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2020-07-19 20:58:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:58:57,125 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2020-07-19 20:58:57,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 20:58:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2020-07-19 20:58:57,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 20:58:57,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:58:57,129 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] [2020-07-19 20:58:57,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:58:57,129 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:58:57,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:58:57,130 INFO L82 PathProgramCache]: Analyzing trace with hash 2094752105, now seen corresponding path program 1 times [2020-07-19 20:58:57,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:58:57,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098018041] [2020-07-19 20:58:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:58:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,414 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:58:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:58:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:58:57,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098018041] [2020-07-19 20:58:57,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:58:57,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:58:57,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502080362] [2020-07-19 20:58:57,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:58:57,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:58:57,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:58:57,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:58:57,581 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 9 states. [2020-07-19 20:58:57,993 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:58:59,038 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:58:59,363 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:00,016 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:59:00,271 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:59:01,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:01,594 INFO L93 Difference]: Finished difference Result 708 states and 878 transitions. [2020-07-19 20:59:01,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-19 20:59:01,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-19 20:59:01,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:01,601 INFO L225 Difference]: With dead ends: 708 [2020-07-19 20:59:01,601 INFO L226 Difference]: Without dead ends: 497 [2020-07-19 20:59:01,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 20:59:01,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-07-19 20:59:01,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 426. [2020-07-19 20:59:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-07-19 20:59:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2020-07-19 20:59:01,699 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2020-07-19 20:59:01,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:01,700 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2020-07-19 20:59:01,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:59:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2020-07-19 20:59:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 20:59:01,702 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:01,702 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] [2020-07-19 20:59:01,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:59:01,702 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:01,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:01,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1169136517, now seen corresponding path program 1 times [2020-07-19 20:59:01,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:01,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913898169] [2020-07-19 20:59:01,704 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:59:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,000 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:02,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913898169] [2020-07-19 20:59:02,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:02,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 20:59:02,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338147646] [2020-07-19 20:59:02,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 20:59:02,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:02,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 20:59:02,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:59:02,161 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 10 states. [2020-07-19 20:59:02,595 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:03,769 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:04,972 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:59:05,212 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:59:05,495 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:59:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:05,861 INFO L93 Difference]: Finished difference Result 930 states and 1135 transitions. [2020-07-19 20:59:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-19 20:59:05,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-07-19 20:59:05,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:05,867 INFO L225 Difference]: With dead ends: 930 [2020-07-19 20:59:05,868 INFO L226 Difference]: Without dead ends: 532 [2020-07-19 20:59:05,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-19 20:59:05,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-07-19 20:59:05,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 425. [2020-07-19 20:59:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-07-19 20:59:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2020-07-19 20:59:06,006 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2020-07-19 20:59:06,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:06,008 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2020-07-19 20:59:06,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 20:59:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2020-07-19 20:59:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-19 20:59:06,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:06,010 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:06,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 20:59:06,011 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:06,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:06,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1253770304, now seen corresponding path program 1 times [2020-07-19 20:59:06,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:06,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000027242] [2020-07-19 20:59:06,012 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:59:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,267 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:59:06,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000027242] [2020-07-19 20:59:06,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:06,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 20:59:06,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648298614] [2020-07-19 20:59:06,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 20:59:06,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:06,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 20:59:06,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-19 20:59:06,414 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 10 states. [2020-07-19 20:59:07,382 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:59:07,628 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 20:59:07,866 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:08,099 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:09,460 INFO L93 Difference]: Finished difference Result 937 states and 1168 transitions. [2020-07-19 20:59:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 20:59:09,464 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-07-19 20:59:09,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:09,469 INFO L225 Difference]: With dead ends: 937 [2020-07-19 20:59:09,469 INFO L226 Difference]: Without dead ends: 540 [2020-07-19 20:59:09,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-19 20:59:09,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-07-19 20:59:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 435. [2020-07-19 20:59:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-07-19 20:59:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2020-07-19 20:59:09,566 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2020-07-19 20:59:09,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:09,567 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2020-07-19 20:59:09,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 20:59:09,567 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2020-07-19 20:59:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-19 20:59:09,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:09,572 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:09,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 20:59:09,572 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:09,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:09,573 INFO L82 PathProgramCache]: Analyzing trace with hash 685391742, now seen corresponding path program 1 times [2020-07-19 20:59:09,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:09,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935235441] [2020-07-19 20:59:09,573 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:59:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,833 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:59:09,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935235441] [2020-07-19 20:59:09,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:09,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 20:59:09,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090124581] [2020-07-19 20:59:09,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 20:59:09,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:09,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 20:59:09,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-19 20:59:09,983 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 12 states. [2020-07-19 20:59:10,847 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:59:11,059 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:11,295 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:11,947 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:12,200 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:12,436 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:13,954 INFO L93 Difference]: Finished difference Result 957 states and 1190 transitions. [2020-07-19 20:59:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 20:59:13,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 108 [2020-07-19 20:59:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:13,959 INFO L225 Difference]: With dead ends: 957 [2020-07-19 20:59:13,959 INFO L226 Difference]: Without dead ends: 550 [2020-07-19 20:59:13,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-19 20:59:13,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-07-19 20:59:14,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 443. [2020-07-19 20:59:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-19 20:59:14,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2020-07-19 20:59:14,053 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2020-07-19 20:59:14,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:14,055 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2020-07-19 20:59:14,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 20:59:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2020-07-19 20:59:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-19 20:59:14,058 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:14,059 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:14,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 20:59:14,059 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:14,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:14,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1454561757, now seen corresponding path program 1 times [2020-07-19 20:59:14,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:14,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136626152] [2020-07-19 20:59:14,060 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:59:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,347 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:59:14,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136626152] [2020-07-19 20:59:14,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:14,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:59:14,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737974529] [2020-07-19 20:59:14,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:14,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:14,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:14,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:59:14,564 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 8 states. [2020-07-19 20:59:15,171 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:16,104 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 20:59:19,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:19,018 INFO L93 Difference]: Finished difference Result 1499 states and 1995 transitions. [2020-07-19 20:59:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-19 20:59:19,019 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-07-19 20:59:19,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:19,027 INFO L225 Difference]: With dead ends: 1499 [2020-07-19 20:59:19,028 INFO L226 Difference]: Without dead ends: 1084 [2020-07-19 20:59:19,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-07-19 20:59:19,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2020-07-19 20:59:19,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 880. [2020-07-19 20:59:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-07-19 20:59:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1063 transitions. [2020-07-19 20:59:19,221 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1063 transitions. Word has length 108 [2020-07-19 20:59:19,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:19,222 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 1063 transitions. [2020-07-19 20:59:19,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1063 transitions. [2020-07-19 20:59:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-19 20:59:19,225 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:19,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:19,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 20:59:19,225 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:19,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:19,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1438503063, now seen corresponding path program 1 times [2020-07-19 20:59:19,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:19,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196941668] [2020-07-19 20:59:19,227 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:59:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,517 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 20:59:19,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196941668] [2020-07-19 20:59:19,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22428593] [2020-07-19 20:59:19,843 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:59:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:59:20,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:59:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:20,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:59:20,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 20:59:20,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563271367] [2020-07-19 20:59:20,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:20,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:20,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:20,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 20:59:20,238 INFO L87 Difference]: Start difference. First operand 880 states and 1063 transitions. Second operand 8 states. [2020-07-19 20:59:20,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:20,827 INFO L93 Difference]: Finished difference Result 1695 states and 2061 transitions. [2020-07-19 20:59:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:59:20,827 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2020-07-19 20:59:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:20,832 INFO L225 Difference]: With dead ends: 1695 [2020-07-19 20:59:20,833 INFO L226 Difference]: Without dead ends: 843 [2020-07-19 20:59:20,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 20:59:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2020-07-19 20:59:21,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2020-07-19 20:59:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2020-07-19 20:59:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1002 transitions. [2020-07-19 20:59:21,025 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1002 transitions. Word has length 112 [2020-07-19 20:59:21,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:21,026 INFO L479 AbstractCegarLoop]: Abstraction has 843 states and 1002 transitions. [2020-07-19 20:59:21,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:21,026 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1002 transitions. [2020-07-19 20:59:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-19 20:59:21,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:21,030 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:21,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 20:59:21,246 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:21,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:21,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2045020006, now seen corresponding path program 1 times [2020-07-19 20:59:21,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:21,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011335295] [2020-07-19 20:59:21,248 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 [2020-07-19 20:59:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,546 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-19 20:59:21,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011335295] [2020-07-19 20:59:21,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145947477] [2020-07-19 20:59:21,908 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205cc537 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:59:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:22,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:59:22,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:59:22,483 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 20:59:22,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:59:22,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 20:59:22,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464807022] [2020-07-19 20:59:22,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:22,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:22,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:22,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 20:59:22,486 INFO L87 Difference]: Start difference. First operand 843 states and 1002 transitions. Second operand 8 states. [2020-07-19 20:59:23,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:23,267 INFO L93 Difference]: Finished difference Result 1527 states and 1835 transitions. [2020-07-19 20:59:23,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:59:23,269 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2020-07-19 20:59:23,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:23,271 INFO L225 Difference]: With dead ends: 1527 [2020-07-19 20:59:23,272 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 20:59:23,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-19 20:59:23,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 20:59:23,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 20:59:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 20:59:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 20:59:23,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2020-07-19 20:59:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:23,282 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 20:59:23,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 20:59:23,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 20:59:23,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:59:23,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 20:59:25,326 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 263 [2020-07-19 20:59:25,794 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 204 [2020-07-19 20:59:25,940 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 204 [2020-07-19 20:59:26,116 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 203 [2020-07-19 20:59:26,304 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 204 [2020-07-19 20:59:26,512 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 202 [2020-07-19 20:59:27,708 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 272 [2020-07-19 20:59:28,219 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-07-19 20:59:30,087 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-07-19 20:59:31,193 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-19 20:59:31,578 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-07-19 20:59:32,623 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 162 DAG size of output: 16 [2020-07-19 20:59:33,025 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 19 [2020-07-19 20:59:33,195 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 20:59:33,376 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:59:33,565 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 20:59:33,729 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 20:59:33,930 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-19 20:59:34,946 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 210 DAG size of output: 25 [2020-07-19 20:59:35,337 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-07-19 20:59:35,504 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 20:59:36,995 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 169 DAG size of output: 32 [2020-07-19 20:59:37,524 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-19 20:59:38,307 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-07-19 20:59:38,473 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 20:59:38,667 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:39,192 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 20 [2020-07-19 20:59:39,708 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 23 [2020-07-19 20:59:40,600 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 22 [2020-07-19 20:59:40,758 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-07-19 20:59:41,411 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2020-07-19 20:59:42,304 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-07-19 20:59:42,786 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 21 [2020-07-19 20:59:43,305 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-07-19 20:59:44,139 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 20:59:44,295 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 20:59:44,467 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:59:45,128 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 19 [2020-07-19 20:59:45,299 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:59:45,451 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 20:59:46,252 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 20:59:47,194 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 20:59:47,749 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-19 20:59:48,417 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 18 [2020-07-19 20:59:49,085 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 20:59:49,240 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 20:59:49,410 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:59:50,396 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 35 [2020-07-19 20:59:51,370 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 23 [2020-07-19 20:59:51,528 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-19 20:59:51,686 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-19 20:59:51,857 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:59:52,019 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 20:59:52,189 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-19 20:59:52,371 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-07-19 20:59:52,528 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-19 20:59:52,895 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-07-19 20:59:53,796 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-07-19 20:59:54,267 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 21 [2020-07-19 20:59:54,951 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 20:59:55,327 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-07-19 20:59:55,792 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 20:59:55,955 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 20:59:56,741 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-07-19 20:59:56,747 INFO L268 CegarLoopResult]: For program point L286(lines 263 287) no Hoare annotation was computed. [2020-07-19 20:59:56,747 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 239 294) no Hoare annotation was computed. [2020-07-19 20:59:56,747 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-19 20:59:56,748 INFO L268 CegarLoopResult]: For program point L270-1(lines 270 274) no Hoare annotation was computed. [2020-07-19 20:59:56,748 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-07-19 20:59:56,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2020-07-19 20:59:56,748 INFO L268 CegarLoopResult]: For program point L264-2(lines 264 285) no Hoare annotation was computed. [2020-07-19 20:59:56,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2020-07-19 20:59:56,748 INFO L268 CegarLoopResult]: For program point L321-2(lines 321 346) no Hoare annotation was computed. [2020-07-19 20:59:56,748 INFO L268 CegarLoopResult]: For program point L347(lines 320 348) no Hoare annotation was computed. [2020-07-19 20:59:56,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2020-07-19 20:59:56,749 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-19 20:59:56,749 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-07-19 20:59:56,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2020-07-19 20:59:56,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2020-07-19 20:59:56,749 INFO L268 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-07-19 20:59:56,750 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2020-07-19 20:59:56,750 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-19 20:59:56,750 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2020-07-19 20:59:56,750 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2020-07-19 20:59:56,750 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2020-07-19 20:59:56,750 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2020-07-19 20:59:56,750 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2020-07-19 20:59:56,751 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,751 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2020-07-19 20:59:56,751 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,751 INFO L264 CegarLoopResult]: At program point L175-1(line 175) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,751 INFO L268 CegarLoopResult]: For program point L173(lines 173 180) no Hoare annotation was computed. [2020-07-19 20:59:56,752 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2020-07-19 20:59:56,752 INFO L268 CegarLoopResult]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2020-07-19 20:59:56,752 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-19 20:59:56,752 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,752 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,753 INFO L264 CegarLoopResult]: At program point L169-1(line 169) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2020-07-19 20:59:56,753 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-19 20:59:56,754 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-19 20:59:56,755 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 20:59:56,755 INFO L268 CegarLoopResult]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2020-07-19 20:59:56,756 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 20:59:56,756 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 20:59:56,756 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2020-07-19 20:59:56,756 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 20:59:56,756 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-19 20:59:56,757 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 20:59:56,757 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-19 20:59:56,757 INFO L268 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2020-07-19 20:59:56,757 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2020-07-19 20:59:56,757 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2020-07-19 20:59:56,757 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2020-07-19 20:59:56,757 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2020-07-19 20:59:56,757 INFO L268 CegarLoopResult]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L271 CegarLoopResult]: At program point L999(line 999) the Hoare annotation is: true [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point L999-1(line 999) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point L956(lines 956 964) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point L956-2(lines 956 964) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point L944(lines 944 952) no Hoare annotation was computed. [2020-07-19 20:59:56,758 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 937 972) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point L967(line 967) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point L967-1(line 967) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2020-07-19 20:59:56,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 193 238) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 506 551) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L268 CegarLoopResult]: For program point L526(lines 526 533) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L268 CegarLoopResult]: For program point L520(lines 520 540) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 540) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2020-07-19 20:59:56,760 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,761 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2020-07-19 20:59:56,761 INFO L264 CegarLoopResult]: At program point L154(line 154) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,761 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2020-07-19 20:59:56,761 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2020-07-19 20:59:56,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2020-07-19 20:59:56,761 INFO L271 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: true [2020-07-19 20:59:56,761 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-07-19 20:59:56,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2020-07-19 20:59:56,762 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 20:59:56,762 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2020-07-19 20:59:56,762 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2020-07-19 20:59:56,762 INFO L268 CegarLoopResult]: For program point L750(lines 750 756) no Hoare annotation was computed. [2020-07-19 20:59:56,762 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2020-07-19 20:59:56,762 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2020-07-19 20:59:56,762 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2020-07-19 20:59:56,763 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 20:59:56,763 INFO L268 CegarLoopResult]: For program point L865-1(line 865) no Hoare annotation was computed. [2020-07-19 20:59:56,763 INFO L268 CegarLoopResult]: For program point L863(lines 863 880) no Hoare annotation was computed. [2020-07-19 20:59:56,763 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2020-07-19 20:59:56,763 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:59:56,763 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 20:59:56,763 INFO L268 CegarLoopResult]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2020-07-19 20:59:56,763 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-19 20:59:56,764 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse4 .cse1 .cse2) (or .cse3 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse2))) [2020-07-19 20:59:56,764 INFO L268 CegarLoopResult]: For program point L867(lines 867 875) no Hoare annotation was computed. [2020-07-19 20:59:56,764 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2020-07-19 20:59:56,764 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2020-07-19 20:59:56,764 INFO L268 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-07-19 20:59:56,764 INFO L264 CegarLoopResult]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,764 INFO L268 CegarLoopResult]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2020-07-19 20:59:56,765 INFO L264 CegarLoopResult]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,765 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-19 20:59:56,765 INFO L264 CegarLoopResult]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:59:56,765 INFO L268 CegarLoopResult]: For program point L608(lines 607 652) no Hoare annotation was computed. [2020-07-19 20:59:56,765 INFO L268 CegarLoopResult]: For program point L637(lines 637 648) no Hoare annotation was computed. [2020-07-19 20:59:56,765 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:59:56,765 INFO L268 CegarLoopResult]: For program point L627(lines 627 633) no Hoare annotation was computed. [2020-07-19 20:59:56,765 INFO L268 CegarLoopResult]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2020-07-19 20:59:56,766 INFO L264 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:59:56,766 INFO L264 CegarLoopResult]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)))) [2020-07-19 20:59:56,766 INFO L268 CegarLoopResult]: For program point L617(lines 617 623) no Hoare annotation was computed. [2020-07-19 20:59:56,766 INFO L268 CegarLoopResult]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2020-07-19 20:59:56,766 INFO L268 CegarLoopResult]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2020-07-19 20:59:56,766 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-19 20:59:56,766 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-19 20:59:56,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-19 20:59:56,766 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-19 20:59:56,767 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-19 20:59:56,767 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-19 20:59:56,767 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (< 1 ~waterLevel~0)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,767 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2020-07-19 20:59:56,767 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2020-07-19 20:59:56,767 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2020-07-19 20:59:56,767 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2020-07-19 20:59:56,768 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2020-07-19 20:59:56,768 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-19 20:59:56,768 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-19 20:59:56,768 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0) (or (not (= 0 ~methaneLevelCritical~0)) .cse0))) [2020-07-19 20:59:56,768 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-19 20:59:56,768 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-19 20:59:56,768 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-19 20:59:56,768 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:59:56,769 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-19 20:59:56,769 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:59:56,769 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-19 20:59:56,769 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 0 ~methaneLevelCritical~0)) .cse0))) [2020-07-19 20:59:56,769 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= 1 ~systemActive~0))) [2020-07-19 20:59:56,769 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-19 20:59:56,769 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-19 20:59:56,769 INFO L268 CegarLoopResult]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 714 736) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point L446(lines 446 453) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point L407(lines 406 426) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point L438-1(line 438) no Hoare annotation was computed. [2020-07-19 20:59:56,770 INFO L268 CegarLoopResult]: For program point L403(lines 403 444) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point L422-1(line 422) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point L445(lines 445 456) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 426) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2020-07-19 20:59:56,771 INFO L268 CegarLoopResult]: For program point L427(lines 405 428) no Hoare annotation was computed. [2020-07-19 20:59:56,772 INFO L268 CegarLoopResult]: For program point L386(lines 386 402) no Hoare annotation was computed. [2020-07-19 20:59:56,772 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2020-07-19 20:59:56,772 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 563 572) no Hoare annotation was computed. [2020-07-19 20:59:56,772 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2020-07-19 20:59:56,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:59:56,772 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.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~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 20:59:56,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:59:56,773 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 ~waterLevel~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-19 20:59:56,773 INFO L268 CegarLoopResult]: For program point L897-1(line 897) no Hoare annotation was computed. [2020-07-19 20:59:56,773 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2020-07-19 20:59:56,773 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 ~waterLevel~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-19 20:59:56,773 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 (= 0 ~pumpRunning~0) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 20:59:56,773 INFO L268 CegarLoopResult]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2020-07-19 20:59:56,773 INFO L268 CegarLoopResult]: For program point L899(lines 899 905) no Hoare annotation was computed. [2020-07-19 20:59:56,774 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2020-07-19 20:59:56,774 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 737 745) no Hoare annotation was computed. [2020-07-19 20:59:56,774 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2020-07-19 20:59:56,774 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2020-07-19 20:59:56,774 INFO L268 CegarLoopResult]: For program point L982(lines 982 986) no Hoare annotation was computed. [2020-07-19 20:59:56,774 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2020-07-19 20:59:56,774 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2020-07-19 20:59:56,774 INFO L271 CegarLoopResult]: At program point L980(line 980) the Hoare annotation is: true [2020-07-19 20:59:56,774 INFO L268 CegarLoopResult]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2020-07-19 20:59:56,775 INFO L268 CegarLoopResult]: For program point L980-1(line 980) no Hoare annotation was computed. [2020-07-19 20:59:56,775 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-19 20:59:56,775 INFO L268 CegarLoopResult]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2020-07-19 20:59:56,775 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2020-07-19 20:59:56,775 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:59:56,775 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 20:59:56,775 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:59:56,775 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2020-07-19 20:59:56,776 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2020-07-19 20:59:56,776 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2020-07-19 20:59:56,776 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse6 .cse2 .cse3) (or .cse1 .cse7 .cse3) (or .cse4 .cse6 .cse5 .cse3) (or .cse7 .cse6 .cse3))) [2020-07-19 20:59:56,776 INFO L264 CegarLoopResult]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 1)) (.cse1 (and .cse9 (= |old(~waterLevel~0)| ~waterLevel~0) .cse8)) (.cse2 (and .cse7 .cse9 .cse8)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 .cse6 .cse5 .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8) .cse1 (and (< 1 ~waterLevel~0) .cse8) .cse2 .cse6 .cse3)))) [2020-07-19 20:59:56,776 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:59:56,777 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse2))) [2020-07-19 20:59:56,777 INFO L268 CegarLoopResult]: For program point L779(lines 778 797) no Hoare annotation was computed. [2020-07-19 20:59:56,777 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2020-07-19 20:59:56,777 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2020-07-19 20:59:56,777 INFO L271 CegarLoopResult]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2020-07-19 20:59:56,777 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2020-07-19 20:59:56,777 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-19 20:59:56,777 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2020-07-19 20:59:56,778 INFO L271 CegarLoopResult]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2020-07-19 20:59:56,778 INFO L271 CegarLoopResult]: At program point L90(line 90) the Hoare annotation is: true [2020-07-19 20:59:56,778 INFO L268 CegarLoopResult]: For program point L90-1(line 90) no Hoare annotation was computed. [2020-07-19 20:59:56,778 INFO L271 CegarLoopResult]: At program point L109(lines 84 113) the Hoare annotation is: true [2020-07-19 20:59:56,778 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-19 20:59:56,778 INFO L268 CegarLoopResult]: For program point L98(lines 98 102) no Hoare annotation was computed. [2020-07-19 20:59:56,778 INFO L268 CegarLoopResult]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2020-07-19 20:59:56,778 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 20:59:56,779 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2020-07-19 20:59:56,779 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2020-07-19 20:59:56,779 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2020-07-19 20:59:56,779 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:59:56,779 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-07-19 20:59:56,779 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 20:59:56,779 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:59:56,779 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 20:59:56,780 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2020-07-19 20:59:56,780 INFO L264 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 20:59:56,780 INFO L268 CegarLoopResult]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2020-07-19 20:59:56,780 INFO L264 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2))) [2020-07-19 20:59:56,780 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (< 1 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not .cse3) .cse2))) [2020-07-19 20:59:56,780 INFO L268 CegarLoopResult]: For program point L815(lines 815 823) no Hoare annotation was computed. [2020-07-19 20:59:56,781 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 20:59:56,781 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-19 20:59:56,781 INFO L268 CegarLoopResult]: For program point L811(lines 811 828) no Hoare annotation was computed. [2020-07-19 20:59:56,781 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2020-07-19 20:59:56,781 INFO L268 CegarLoopResult]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2020-07-19 20:59:56,781 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:59:56,781 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2020-07-19 20:59:56,782 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2020-07-19 20:59:56,782 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2020-07-19 20:59:56,782 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2020-07-19 20:59:56,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 08:59:56 BoogieIcfgContainer [2020-07-19 20:59:56,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 20:59:56,801 INFO L168 Benchmark]: Toolchain (without parser) took 72589.67 ms. Allocated memory was 146.8 MB in the beginning and 915.9 MB in the end (delta: 769.1 MB). Free memory was 103.3 MB in the beginning and 559.1 MB in the end (delta: -455.8 MB). Peak memory consumption was 783.9 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:56,801 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 20:59:56,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.95 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 169.4 MB in the end (delta: -66.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:56,803 INFO L168 Benchmark]: Boogie Preprocessor took 90.31 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:56,803 INFO L168 Benchmark]: RCFGBuilder took 1064.06 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.8 MB in the beginning and 186.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:56,804 INFO L168 Benchmark]: TraceAbstraction took 70663.18 ms. Allocated memory was 234.9 MB in the beginning and 915.9 MB in the end (delta: 681.1 MB). Free memory was 184.8 MB in the beginning and 559.1 MB in the end (delta: -374.3 MB). Peak memory consumption was 777.3 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:56,806 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 765.95 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 169.4 MB in the end (delta: -66.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.31 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1064.06 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.8 MB in the beginning and 186.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 70663.18 ms. Allocated memory was 234.9 MB in the beginning and 915.9 MB in the end (delta: 681.1 MB). Free memory was 184.8 MB in the beginning and 559.1 MB in the end (delta: -374.3 MB). Peak memory consumption was 777.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1891 SDtfs, 2604 SDslu, 3593 SDs, 0 SdLazy, 7180 SolverSat, 1689 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 832 GetRequests, 652 SyntacticMatches, 2 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=880occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 743 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2093 PreInvPairs, 2193 NumberOfFragments, 1944 HoareAnnotationTreeSize, 2093 FomulaSimplifications, 100833736 FormulaSimplificationTreeSizeReduction, 6.8s HoareSimplificationTime, 70 FomulaSimplificationsInter, 4553142 FormulaSimplificationTreeSizeReductionInter, 26.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1323 NumberOfCodeBlocks, 1323 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1310 ConstructedInterpolants, 0 QuantifiedInterpolants, 441837 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1783 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/119 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...