/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:32:27,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:32:27,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:32:27,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:32:27,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:32:27,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:32:27,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:32:27,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:32:27,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:32:27,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:32:27,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:32:27,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:32:27,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:32:27,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:32:27,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:32:27,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:32:27,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:32:27,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:32:27,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:32:27,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:32:27,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:32:27,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:32:27,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:32:27,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:32:27,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:32:27,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:32:27,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:32:27,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:32:27,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:32:27,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:32:27,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:32:27,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:32:27,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:32:27,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:32:27,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:32:27,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:32:27,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:32:27,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:32:27,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:32:27,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:32:27,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:32:27,110 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 [2020-07-17 11:32:27,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:32:27,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:32:27,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:32:27,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:32:27,127 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:32:27,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:32:27,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:32:27,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:32:27,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:32:27,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:32:27,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:32:27,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:32:27,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:32:27,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:32:27,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:32:27,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:32:27,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:32:27,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:32:27,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:32:27,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:32:27,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:32:27,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:32:27,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:32:27,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:32:27,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:32:27,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:32:27,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:32:27,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:32:27,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:32:27,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:32:27,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:32:27,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:32:27,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:32:27,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:32:27,493 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:32:27,494 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-17 11:32:27,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05beb1f34/30a0925594954310b5f691fb78a41f3b/FLAGbe6ccb1dc [2020-07-17 11:32:28,143 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:32:28,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2020-07-17 11:32:28,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05beb1f34/30a0925594954310b5f691fb78a41f3b/FLAGbe6ccb1dc [2020-07-17 11:32:28,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05beb1f34/30a0925594954310b5f691fb78a41f3b [2020-07-17 11:32:28,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:32:28,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:32:28,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:32:28,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:32:28,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:32:28,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:32:28" (1/1) ... [2020-07-17 11:32:28,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50229795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:28, skipping insertion in model container [2020-07-17 11:32:28,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:32:28" (1/1) ... [2020-07-17 11:32:28,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:32:28,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:32:29,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:32:29,041 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:32:29,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:32:29,158 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:32:29,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29 WrapperNode [2020-07-17 11:32:29,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:32:29,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:32:29,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:32:29,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:32:29,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (1/1) ... [2020-07-17 11:32:29,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (1/1) ... [2020-07-17 11:32:29,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (1/1) ... [2020-07-17 11:32:29,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (1/1) ... [2020-07-17 11:32:29,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (1/1) ... [2020-07-17 11:32:29,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (1/1) ... [2020-07-17 11:32:29,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (1/1) ... [2020-07-17 11:32:29,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:32:29,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:32:29,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:32:29,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:32:29,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (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 [2020-07-17 11:32:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:32:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:32:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:32:29,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:32:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:32:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:32:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:32:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:32:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:32:29,327 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:32:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:32:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:32:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:32:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:32:29,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:32:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:32:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:32:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:32:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:32:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:32:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:32:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:32:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:32:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:32:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:32:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:32:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:32:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:32:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:32:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:32:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:32:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:32:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:32:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:32:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:32:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:32:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:32:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:32:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 11:32:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:32:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:32:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:32:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:32:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:32:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:32:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:32:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:32:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:32:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:32:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:32:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:32:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:32:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:32:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:32:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:32:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:32:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:32:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:32:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:32:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:32:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:32:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:32:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:32:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 11:32:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:32:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:32:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:32:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:32:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:32:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:32:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:32:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:32:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:32:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:32:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:32:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:32:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:32:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:32:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:32:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:32:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:32:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:32:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:32:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:32:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:32:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:32:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:32:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:32:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:32:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:32:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:32:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:32:30,647 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:32:30,647 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:32:30,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:32:30 BoogieIcfgContainer [2020-07-17 11:32:30,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:32:30,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:32:30,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:32:30,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:32:30,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:32:28" (1/3) ... [2020-07-17 11:32:30,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5feccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:32:30, skipping insertion in model container [2020-07-17 11:32:30,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:32:29" (2/3) ... [2020-07-17 11:32:30,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5feccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:32:30, skipping insertion in model container [2020-07-17 11:32:30,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:32:30" (3/3) ... [2020-07-17 11:32:30,662 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-07-17 11:32:30,673 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:32:30,681 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:32:30,695 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:32:30,718 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:32:30,719 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:32:30,719 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:32:30,719 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:32:30,719 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:32:30,719 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:32:30,720 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:32:30,720 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:32:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-07-17 11:32:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:32:30,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:30,756 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] [2020-07-17 11:32:30,756 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:30,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:30,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1349332709, now seen corresponding path program 1 times [2020-07-17 11:32:30,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:30,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283233582] [2020-07-17 11:32:30,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,422 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:31,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283233582] [2020-07-17 11:32:31,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:31,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:32:31,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646719455] [2020-07-17 11:32:31,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:32:31,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:31,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:32:31,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:32:31,573 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-07-17 11:32:32,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:32,722 INFO L93 Difference]: Finished difference Result 296 states and 385 transitions. [2020-07-17 11:32:32,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:32:32,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 11:32:32,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:32,742 INFO L225 Difference]: With dead ends: 296 [2020-07-17 11:32:32,742 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 11:32:32,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:32:32,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 11:32:32,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 127. [2020-07-17 11:32:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-17 11:32:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2020-07-17 11:32:32,878 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2020-07-17 11:32:32,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:32,878 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2020-07-17 11:32:32,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:32:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2020-07-17 11:32:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 11:32:32,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:32,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:32:32,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:32:32,893 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:32,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:32,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1093164693, now seen corresponding path program 1 times [2020-07-17 11:32:32,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:32,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111773331] [2020-07-17 11:32:32,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,278 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:33,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111773331] [2020-07-17 11:32:33,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:33,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:32:33,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345520540] [2020-07-17 11:32:33,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:32:33,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:33,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:32:33,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:32:33,330 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 4 states. [2020-07-17 11:32:33,749 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:34,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:34,510 INFO L93 Difference]: Finished difference Result 225 states and 272 transitions. [2020-07-17 11:32:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:32:34,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 11:32:34,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:34,514 INFO L225 Difference]: With dead ends: 225 [2020-07-17 11:32:34,515 INFO L226 Difference]: Without dead ends: 144 [2020-07-17 11:32:34,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:32:34,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-17 11:32:34,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2020-07-17 11:32:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-17 11:32:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2020-07-17 11:32:34,554 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2020-07-17 11:32:34,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:34,555 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2020-07-17 11:32:34,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:32:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2020-07-17 11:32:34,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 11:32:34,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:34,557 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] [2020-07-17 11:32:34,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:32:34,557 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:34,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:34,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1756790423, now seen corresponding path program 1 times [2020-07-17 11:32:34,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:34,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120404414] [2020-07-17 11:32:34,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,874 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:34,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120404414] [2020-07-17 11:32:34,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:34,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:32:34,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418869284] [2020-07-17 11:32:34,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:32:34,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:34,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:32:34,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:32:34,952 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 8 states. [2020-07-17 11:32:35,393 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:35,706 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:35,970 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:36,242 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:37,372 INFO L93 Difference]: Finished difference Result 238 states and 290 transitions. [2020-07-17 11:32:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:32:37,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 11:32:37,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:37,375 INFO L225 Difference]: With dead ends: 238 [2020-07-17 11:32:37,375 INFO L226 Difference]: Without dead ends: 144 [2020-07-17 11:32:37,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:32:37,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-17 11:32:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2020-07-17 11:32:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-17 11:32:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2020-07-17 11:32:37,410 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2020-07-17 11:32:37,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:37,411 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2020-07-17 11:32:37,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:32:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2020-07-17 11:32:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-17 11:32:37,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:37,413 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] [2020-07-17 11:32:37,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:32:37,414 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:37,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:37,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1312872772, now seen corresponding path program 1 times [2020-07-17 11:32:37,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:37,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213380920] [2020-07-17 11:32:37,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,686 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:37,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213380920] [2020-07-17 11:32:37,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:37,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:32:37,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962615037] [2020-07-17 11:32:37,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:32:37,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:37,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:32:37,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:32:37,806 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 6 states. [2020-07-17 11:32:38,167 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:39,325 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:39,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:39,972 INFO L93 Difference]: Finished difference Result 338 states and 414 transitions. [2020-07-17 11:32:39,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:32:39,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-17 11:32:39,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:39,978 INFO L225 Difference]: With dead ends: 338 [2020-07-17 11:32:39,978 INFO L226 Difference]: Without dead ends: 244 [2020-07-17 11:32:39,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:32:39,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-07-17 11:32:40,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 201. [2020-07-17 11:32:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-17 11:32:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2020-07-17 11:32:40,029 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2020-07-17 11:32:40,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:40,029 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2020-07-17 11:32:40,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:32:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2020-07-17 11:32:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-17 11:32:40,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:40,031 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] [2020-07-17 11:32:40,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:32:40,031 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:40,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:40,032 INFO L82 PathProgramCache]: Analyzing trace with hash 362669874, now seen corresponding path program 1 times [2020-07-17 11:32:40,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:40,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716160363] [2020-07-17 11:32:40,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,348 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:40,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716160363] [2020-07-17 11:32:40,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:40,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:32:40,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315121900] [2020-07-17 11:32:40,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:32:40,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:40,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:32:40,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:32:40,476 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 8 states. [2020-07-17 11:32:40,949 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:42,318 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:42,583 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:42,836 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:43,071 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:43,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:43,686 INFO L93 Difference]: Finished difference Result 555 states and 692 transitions. [2020-07-17 11:32:43,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 11:32:43,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-07-17 11:32:43,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:43,692 INFO L225 Difference]: With dead ends: 555 [2020-07-17 11:32:43,692 INFO L226 Difference]: Without dead ends: 378 [2020-07-17 11:32:43,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:32:43,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-07-17 11:32:43,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 335. [2020-07-17 11:32:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-17 11:32:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 389 transitions. [2020-07-17 11:32:43,768 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 389 transitions. Word has length 80 [2020-07-17 11:32:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:43,769 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 389 transitions. [2020-07-17 11:32:43,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:32:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 389 transitions. [2020-07-17 11:32:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-17 11:32:43,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:43,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:32:43,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:32:43,771 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:43,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:43,772 INFO L82 PathProgramCache]: Analyzing trace with hash 871612076, now seen corresponding path program 1 times [2020-07-17 11:32:43,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:43,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357909156] [2020-07-17 11:32:43,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,074 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:44,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357909156] [2020-07-17 11:32:44,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:44,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:32:44,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052715429] [2020-07-17 11:32:44,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:32:44,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:44,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:32:44,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:32:44,174 INFO L87 Difference]: Start difference. First operand 335 states and 389 transitions. Second operand 9 states. [2020-07-17 11:32:44,682 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:45,188 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:46,681 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:32:48,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:48,187 INFO L93 Difference]: Finished difference Result 815 states and 1039 transitions. [2020-07-17 11:32:48,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:32:48,187 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-17 11:32:48,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:48,193 INFO L225 Difference]: With dead ends: 815 [2020-07-17 11:32:48,194 INFO L226 Difference]: Without dead ends: 627 [2020-07-17 11:32:48,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:32:48,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-17 11:32:48,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 556. [2020-07-17 11:32:48,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-17 11:32:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 666 transitions. [2020-07-17 11:32:48,304 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 666 transitions. Word has length 84 [2020-07-17 11:32:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:48,305 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 666 transitions. [2020-07-17 11:32:48,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:32:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 666 transitions. [2020-07-17 11:32:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-17 11:32:48,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:48,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:32:48,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:32:48,307 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:48,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1201377837, now seen corresponding path program 1 times [2020-07-17 11:32:48,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:48,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460781614] [2020-07-17 11:32:48,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,550 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:48,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460781614] [2020-07-17 11:32:48,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:48,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:32:48,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151868708] [2020-07-17 11:32:48,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:32:48,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:48,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:32:48,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:32:48,673 INFO L87 Difference]: Start difference. First operand 556 states and 666 transitions. Second operand 8 states. [2020-07-17 11:32:49,705 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:49,925 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:50,162 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:51,056 INFO L93 Difference]: Finished difference Result 1006 states and 1249 transitions. [2020-07-17 11:32:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:32:51,057 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-07-17 11:32:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:51,061 INFO L225 Difference]: With dead ends: 1006 [2020-07-17 11:32:51,062 INFO L226 Difference]: Without dead ends: 601 [2020-07-17 11:32:51,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:32:51,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-07-17 11:32:51,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 556. [2020-07-17 11:32:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-17 11:32:51,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 665 transitions. [2020-07-17 11:32:51,200 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 665 transitions. Word has length 84 [2020-07-17 11:32:51,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:51,200 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 665 transitions. [2020-07-17 11:32:51,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:32:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 665 transitions. [2020-07-17 11:32:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-17 11:32:51,202 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:51,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:32:51,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:32:51,203 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:51,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:51,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1128991279, now seen corresponding path program 1 times [2020-07-17 11:32:51,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:51,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906695676] [2020-07-17 11:32:51,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,449 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:51,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906695676] [2020-07-17 11:32:51,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:51,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:32:51,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209207902] [2020-07-17 11:32:51,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:32:51,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:51,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:32:51,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:32:51,635 INFO L87 Difference]: Start difference. First operand 556 states and 665 transitions. Second operand 12 states. [2020-07-17 11:32:52,336 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:52,587 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:52,830 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:53,582 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:53,830 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:32:54,103 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:54,348 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:32:55,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:55,307 INFO L93 Difference]: Finished difference Result 1138 states and 1405 transitions. [2020-07-17 11:32:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 11:32:55,309 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-07-17 11:32:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:55,313 INFO L225 Difference]: With dead ends: 1138 [2020-07-17 11:32:55,313 INFO L226 Difference]: Without dead ends: 606 [2020-07-17 11:32:55,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-07-17 11:32:55,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-07-17 11:32:55,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 563. [2020-07-17 11:32:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-07-17 11:32:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 672 transitions. [2020-07-17 11:32:55,464 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 672 transitions. Word has length 84 [2020-07-17 11:32:55,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:55,464 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 672 transitions. [2020-07-17 11:32:55,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:32:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 672 transitions. [2020-07-17 11:32:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-17 11:32:55,466 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:55,467 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:32:55,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:32:55,467 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:55,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:55,467 INFO L82 PathProgramCache]: Analyzing trace with hash -482545033, now seen corresponding path program 1 times [2020-07-17 11:32:55,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:55,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002340260] [2020-07-17 11:32:55,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,734 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:32:56,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002340260] [2020-07-17 11:32:56,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463194175] [2020-07-17 11:32:56,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:32:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:56,361 INFO L264 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 29 conjunts are in the unsatisfiable core [2020-07-17 11:32:56,393 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:32:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:32:56,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:32:56,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 17 [2020-07-17 11:32:56,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211262038] [2020-07-17 11:32:56,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:32:56,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:56,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:32:56,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:32:56,603 INFO L87 Difference]: Start difference. First operand 563 states and 672 transitions. Second operand 8 states. [2020-07-17 11:32:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:32:57,289 INFO L93 Difference]: Finished difference Result 1604 states and 1956 transitions. [2020-07-17 11:32:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:32:57,290 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-07-17 11:32:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:32:57,297 INFO L225 Difference]: With dead ends: 1604 [2020-07-17 11:32:57,297 INFO L226 Difference]: Without dead ends: 1065 [2020-07-17 11:32:57,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:32:57,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-07-17 11:32:57,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1062. [2020-07-17 11:32:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2020-07-17 11:32:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1269 transitions. [2020-07-17 11:32:57,540 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1269 transitions. Word has length 96 [2020-07-17 11:32:57,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:32:57,543 INFO L479 AbstractCegarLoop]: Abstraction has 1062 states and 1269 transitions. [2020-07-17 11:32:57,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:32:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1269 transitions. [2020-07-17 11:32:57,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-17 11:32:57,549 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:32:57,549 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] [2020-07-17 11:32:57,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-17 11:32:57,764 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:32:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:32:57,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1334976659, now seen corresponding path program 1 times [2020-07-17 11:32:57,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:32:57,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913834113] [2020-07-17 11:32:57,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:32:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,141 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:32:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:32:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:32:58,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913834113] [2020-07-17 11:32:58,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:32:58,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 11:32:58,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091878182] [2020-07-17 11:32:58,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 11:32:58,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:32:58,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 11:32:58,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:32:58,339 INFO L87 Difference]: Start difference. First operand 1062 states and 1269 transitions. Second operand 14 states. [2020-07-17 11:32:59,430 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:59,669 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:32:59,885 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:33:00,504 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:33:01,300 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:33:01,730 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:02,312 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:02,573 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:02,847 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:04,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:33:04,654 INFO L93 Difference]: Finished difference Result 2205 states and 2781 transitions. [2020-07-17 11:33:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-17 11:33:04,655 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2020-07-17 11:33:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:33:04,662 INFO L225 Difference]: With dead ends: 2205 [2020-07-17 11:33:04,663 INFO L226 Difference]: Without dead ends: 1167 [2020-07-17 11:33:04,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2020-07-17 11:33:04,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2020-07-17 11:33:04,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 978. [2020-07-17 11:33:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-07-17 11:33:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1149 transitions. [2020-07-17 11:33:04,929 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1149 transitions. Word has length 100 [2020-07-17 11:33:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:33:04,929 INFO L479 AbstractCegarLoop]: Abstraction has 978 states and 1149 transitions. [2020-07-17 11:33:04,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 11:33:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1149 transitions. [2020-07-17 11:33:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-17 11:33:04,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:33:04,932 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] [2020-07-17 11:33:04,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 11:33:04,932 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:33:04,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:33:04,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1799494055, now seen corresponding path program 1 times [2020-07-17 11:33:04,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:33:04,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375904707] [2020-07-17 11:33:04,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:33:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,272 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:33:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:33:05,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375904707] [2020-07-17 11:33:05,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:33:05,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 11:33:05,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846988162] [2020-07-17 11:33:05,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 11:33:05,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:33:05,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 11:33:05,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:33:05,412 INFO L87 Difference]: Start difference. First operand 978 states and 1149 transitions. Second operand 13 states. [2020-07-17 11:33:06,103 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:33:06,336 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:33:06,554 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:33:07,643 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:33:08,100 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:08,402 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:08,665 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:09,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:33:09,360 INFO L93 Difference]: Finished difference Result 1688 states and 1988 transitions. [2020-07-17 11:33:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:33:09,361 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 100 [2020-07-17 11:33:09,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:33:09,362 INFO L225 Difference]: With dead ends: 1688 [2020-07-17 11:33:09,362 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:33:09,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:33:09,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:33:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:33:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:33:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:33:09,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-07-17 11:33:09,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:33:09,368 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:33:09,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 11:33:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:33:09,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:33:09,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 11:33:09,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:33:10,445 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-07-17 11:33:12,912 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 239 [2020-07-17 11:33:13,303 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 239 [2020-07-17 11:33:13,586 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-07-17 11:33:14,082 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-07-17 11:33:15,199 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-17 11:33:16,430 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 162 DAG size of output: 31 [2020-07-17 11:33:16,611 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:33:17,194 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-07-17 11:33:17,375 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:33:17,654 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-07-17 11:33:17,822 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-17 11:33:18,860 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 174 DAG size of output: 40 [2020-07-17 11:33:19,699 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-17 11:33:19,898 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:33:20,158 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:33:20,742 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-17 11:33:21,636 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 34 [2020-07-17 11:33:22,784 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-17 11:33:22,979 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:33:23,088 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-07-17 11:33:23,252 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:33:23,438 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-17 11:33:24,888 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 174 DAG size of output: 37 [2020-07-17 11:33:25,055 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:33:25,235 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-17 11:33:25,402 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-17 11:33:25,991 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 30 [2020-07-17 11:33:27,152 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-17 11:33:27,331 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-17 11:33:28,160 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-07-17 11:33:29,157 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-17 11:33:29,731 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-07-17 11:33:30,337 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 38 [2020-07-17 11:33:31,320 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 44 [2020-07-17 11:33:31,897 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 38 [2020-07-17 11:33:32,725 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 29 [2020-07-17 11:33:32,889 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:33:33,420 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-07-17 11:33:33,584 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:33:34,420 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 30 [2020-07-17 11:33:34,585 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:33:34,749 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:33:34,908 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-17 11:33:35,099 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:33:35,264 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-17 11:33:35,801 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 40 [2020-07-17 11:33:35,972 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-07-17 11:33:36,788 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 33 [2020-07-17 11:33:36,952 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point L636(lines 613 637) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2020-07-17 11:33:36,957 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point L697(lines 670 698) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-07-17 11:33:36,958 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2020-07-17 11:33:36,959 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2020-07-17 11:33:36,959 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2020-07-17 11:33:36,959 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2020-07-17 11:33:36,959 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2020-07-17 11:33:36,960 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2020-07-17 11:33:36,960 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-17 11:33:36,960 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-17 11:33:36,960 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,960 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,961 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,961 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,961 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-17 11:33:36,961 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-17 11:33:36,961 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,962 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,962 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-17 11:33:36,962 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-17 11:33:36,963 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-17 11:33:36,964 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point L353(lines 353 361) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point L341(lines 341 349) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 334 369) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point L364-1(line 364) no Hoare annotation was computed. [2020-07-17 11:33:36,965 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 334 369) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 334 369) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point L870(lines 870 890) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2020-07-17 11:33:36,966 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2020-07-17 11:33:36,967 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,967 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-17 11:33:36,967 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-17 11:33:36,967 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2020-07-17 11:33:36,967 INFO L271 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: true [2020-07-17 11:33:36,967 INFO L268 CegarLoopResult]: For program point L319-1(line 319) no Hoare annotation was computed. [2020-07-17 11:33:36,967 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2020-07-17 11:33:36,967 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2020-07-17 11:33:36,968 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 306 313) no Hoare annotation was computed. [2020-07-17 11:33:36,968 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 306 313) no Hoare annotation was computed. [2020-07-17 11:33:36,968 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 306 313) no Hoare annotation was computed. [2020-07-17 11:33:36,968 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2020-07-17 11:33:36,968 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2020-07-17 11:33:36,968 INFO L268 CegarLoopResult]: For program point L482(lines 482 488) no Hoare annotation was computed. [2020-07-17 11:33:36,968 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2020-07-17 11:33:36,968 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-07-17 11:33:36,969 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse7 .cse8 .cse6 .cse4))) [2020-07-17 11:33:36,969 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse3))) [2020-07-17 11:33:36,969 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-07-17 11:33:36,969 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4) (or .cse5 .cse1 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse4))) [2020-07-17 11:33:36,969 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= 0 ~pumpRunning~0) (not (= 0 processEnvironment_~tmp~2)))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse5 .cse6 .cse3 .cse2) (or .cse0 .cse4 .cse6 .cse7 .cse2) (or .cse4 .cse6 .cse3 .cse7 .cse2) (or .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-17 11:33:36,969 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-07-17 11:33:36,970 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse0 .cse7 .cse4) (or .cse7 .cse6 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-17 11:33:36,970 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-07-17 11:33:36,970 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-07-17 11:33:36,970 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-07-17 11:33:36,970 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-07-17 11:33:36,970 INFO L264 CegarLoopResult]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,970 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-17 11:33:36,970 INFO L268 CegarLoopResult]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2020-07-17 11:33:36,970 INFO L264 CegarLoopResult]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:33:36,971 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-17 11:33:36,971 INFO L264 CegarLoopResult]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse1 .cse4 .cse2) (and .cse8 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-17 11:33:36,971 INFO L268 CegarLoopResult]: For program point L156(lines 155 202) no Hoare annotation was computed. [2020-07-17 11:33:36,971 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse1 .cse4 .cse2) (and .cse8 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-17 11:33:36,971 INFO L268 CegarLoopResult]: For program point L185(lines 185 198) no Hoare annotation was computed. [2020-07-17 11:33:36,971 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse8 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse1 .cse4 .cse2) (and .cse8 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-17 11:33:36,971 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-07-17 11:33:36,971 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2020-07-17 11:33:36,971 INFO L264 CegarLoopResult]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse7 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-17 11:33:36,972 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4 .cse2 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse7 .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse4 .cse5 .cse6 .cse2))) [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point L830(lines 830 837) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point L824(lines 824 844) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2020-07-17 11:33:36,972 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 446 468) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point L454(lines 454 462) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 446 468) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 446 468) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point L454-2(lines 454 462) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 503 512) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 503 512) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 503 512) no Hoare annotation was computed. [2020-07-17 11:33:36,973 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L795(lines 795 806) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L777(lines 755 778) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L736(lines 736 752) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L796(lines 796 803) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L757(lines 756 776) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2020-07-17 11:33:36,974 INFO L268 CegarLoopResult]: For program point L753(lines 753 794) no Hoare annotation was computed. [2020-07-17 11:33:36,975 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-07-17 11:33:36,975 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-17 11:33:36,975 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:33:36,975 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-17 11:33:36,975 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:33:36,975 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse5 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) .cse2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse7 .cse1 .cse2 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse4)))) [2020-07-17 11:33:36,975 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2020-07-17 11:33:36,975 INFO L268 CegarLoopResult]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2020-07-17 11:33:36,975 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-17 11:33:36,975 INFO L268 CegarLoopResult]: For program point L296(lines 296 302) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (let ((.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point L379(lines 379 383) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L271 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: true [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2020-07-17 11:33:36,976 INFO L268 CegarLoopResult]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2020-07-17 11:33:36,977 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse1 .cse7 .cse6 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse7 .cse5 .cse4))) [2020-07-17 11:33:36,977 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2020-07-17 11:33:36,977 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:33:36,977 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:33:36,977 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:33:36,977 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse10 .cse11)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse10 (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse8 .cse9 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse8 .cse6 .cse9 .cse4) (or .cse1 .cse5 .cse2 .cse7 .cse4)))) [2020-07-17 11:33:36,977 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse6 .cse9 .cse4) (or .cse5 .cse8 .cse6 .cse7 .cse4) (or .cse5 .cse6 .cse2 .cse9 .cse4) (or .cse8 .cse1 .cse10 .cse4) (or .cse1 .cse10 .cse2 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4)))) [2020-07-17 11:33:36,977 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-07-17 11:33:36,978 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 1 ~pumpRunning~0))) (let ((.cse0 (and .cse14 .cse13)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and (= 0 ~pumpRunning~0) .cse14)) (.cse10 (and (= 1 ~waterLevel~0) .cse13)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse12 (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse1 .cse11 .cse4) (or .cse8 .cse9 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse10 .cse1 .cse2 .cse11 .cse4) (or .cse9 .cse6 .cse12 .cse4) (or .cse6 .cse12 .cse2 .cse4) (or .cse5 .cse9 .cse6 .cse7 .cse4)))) [2020-07-17 11:33:36,978 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-07-17 11:33:36,978 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse4 .cse3) (or .cse1 .cse4 .cse7 .cse3) (or .cse0 .cse1 .cse7 .cse3))) [2020-07-17 11:33:36,978 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-07-17 11:33:36,978 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-17 11:33:36,978 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-17 11:33:36,978 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-17 11:33:36,978 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-17 11:33:36,978 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-17 11:33:36,978 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-17 11:33:36,979 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-17 11:33:36,979 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-17 11:33:36,979 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-17 11:33:36,979 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-17 11:33:36,979 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2020-07-17 11:33:36,979 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2020-07-17 11:33:36,979 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2020-07-17 11:33:36,979 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2) (or .cse0 .cse5 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2020-07-17 11:33:36,979 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2020-07-17 11:33:36,979 INFO L268 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-07-17 11:33:36,979 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2020-07-17 11:33:36,980 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse4 .cse5 .cse3 .cse2) (or .cse4 .cse5 .cse1 .cse2))) [2020-07-17 11:33:36,980 INFO L268 CegarLoopResult]: For program point L920-1(line 920) no Hoare annotation was computed. [2020-07-17 11:33:36,980 INFO L268 CegarLoopResult]: For program point L918(lines 918 931) no Hoare annotation was computed. [2020-07-17 11:33:36,980 INFO L268 CegarLoopResult]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2020-07-17 11:33:36,980 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2))) [2020-07-17 11:33:36,980 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-17 11:33:36,980 INFO L268 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2020-07-17 11:33:36,980 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-17 11:33:36,980 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-17 11:33:36,981 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-17 11:33:36,981 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2020-07-17 11:33:36,981 INFO L268 CegarLoopResult]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2020-07-17 11:33:36,981 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-17 11:33:36,981 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-17 11:33:36,981 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:33:36,981 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:33:36,981 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:33:36,981 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:33:36,982 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2020-07-17 11:33:36,982 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse5 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (= 1 |old(~systemActive~0)|))) (.cse7 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse0 .cse3 .cse5 .cse4) (or .cse0 .cse2 .cse3 .cse7) (or .cse6 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse0 .cse3 .cse7))) [2020-07-17 11:33:36,982 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2020-07-17 11:33:36,982 INFO L268 CegarLoopResult]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2020-07-17 11:33:36,982 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2020-07-17 11:33:36,982 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 |old(~waterLevel~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse7 .cse1 .cse2 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse4))) [2020-07-17 11:33:36,982 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2020-07-17 11:33:36,983 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2020-07-17 11:33:36,983 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2020-07-17 11:33:36,983 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2020-07-17 11:33:37,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:33:37 BoogieIcfgContainer [2020-07-17 11:33:37,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:33:37,005 INFO L168 Benchmark]: Toolchain (without parser) took 68477.32 ms. Allocated memory was 144.7 MB in the beginning and 950.0 MB in the end (delta: 805.3 MB). Free memory was 101.6 MB in the beginning and 346.4 MB in the end (delta: -244.9 MB). Peak memory consumption was 835.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:33:37,006 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:33:37,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.01 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 169.4 MB in the end (delta: -68.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-17 11:33:37,007 INFO L168 Benchmark]: Boogie Preprocessor took 93.19 ms. Allocated memory is still 201.3 MB. Free memory was 169.4 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:33:37,008 INFO L168 Benchmark]: RCFGBuilder took 1399.87 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.2 MB in the beginning and 196.8 MB in the end (delta: -31.6 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:33:37,008 INFO L168 Benchmark]: TraceAbstraction took 66349.37 ms. Allocated memory was 233.3 MB in the beginning and 950.0 MB in the end (delta: 716.7 MB). Free memory was 195.3 MB in the beginning and 346.4 MB in the end (delta: -151.1 MB). Peak memory consumption was 840.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:33:37,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.01 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 169.4 MB in the end (delta: -68.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.19 ms. Allocated memory is still 201.3 MB. Free memory was 169.4 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1399.87 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.2 MB in the beginning and 196.8 MB in the end (delta: -31.6 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66349.37 ms. Allocated memory was 233.3 MB in the beginning and 950.0 MB in the end (delta: 716.7 MB). Free memory was 195.3 MB in the beginning and 346.4 MB in the end (delta: -151.1 MB). Peak memory consumption was 840.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) && \old(waterLevel) + 1 <= waterLevel)) || !(1 == \old(systemActive))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == waterLevel) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 31.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1474 SDtfs, 2578 SDslu, 2329 SDs, 0 SdLazy, 8128 SolverSat, 1726 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1062occurred 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: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 522 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1904 PreInvPairs, 2013 NumberOfFragments, 3081 HoareAnnotationTreeSize, 1904 FomulaSimplifications, 10771871 FormulaSimplificationTreeSizeReduction, 4.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 168248 FormulaSimplificationTreeSizeReductionInter, 22.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 941 ConstructedInterpolants, 0 QuantifiedInterpolants, 297947 SizeOfPredicates, 6 NumberOfNonLiveVariables, 770 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...