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_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:37:29,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:37:29,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:37:29,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:37:29,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:37:29,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:37:29,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:37:29,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:37:29,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:37:29,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:37:29,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:37:29,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:37:29,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:37:29,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:37:29,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:37:29,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:37:29,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:37:29,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:37:29,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:37:29,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:37:29,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:37:29,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:37:29,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:37:29,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:37:29,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:37:29,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:37:29,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:37:29,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:37:29,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:37:29,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:37:29,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:37:29,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:37:29,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:37:29,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:37:29,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:37:29,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:37:29,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:37:29,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:37:29,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:37:29,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:37:29,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:37:29,154 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 [2019-10-14 23:37:29,178 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:37:29,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:37:29,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:37:29,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:37:29,180 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:37:29,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:37:29,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:37:29,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:37:29,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:37:29,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:37:29,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:37:29,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:37:29,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:37:29,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:37:29,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:37:29,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:37:29,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:37:29,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:37:29,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:37:29,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:37:29,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:37:29,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:37:29,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:37:29,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:37:29,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:37:29,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:37:29,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:37:29,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:37:29,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:37:29,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:37:29,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:37:29,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:37:29,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:37:29,484 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:37:29,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-10-14 23:37:29,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df82d1eb/da6a11e197eb420d9b729076862098a6/FLAG40d73cc35 [2019-10-14 23:37:30,095 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:37:30,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2019-10-14 23:37:30,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df82d1eb/da6a11e197eb420d9b729076862098a6/FLAG40d73cc35 [2019-10-14 23:37:30,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5df82d1eb/da6a11e197eb420d9b729076862098a6 [2019-10-14 23:37:30,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:37:30,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:37:30,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:37:30,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:37:30,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:37:30,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:30,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371dfc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30, skipping insertion in model container [2019-10-14 23:37:30,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:30,389 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:37:30,426 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:37:30,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:37:30,852 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:37:30,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:37:30,993 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:37:30,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30 WrapperNode [2019-10-14 23:37:30,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:37:30,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:37:30,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:37:30,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:37:31,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:31,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:31,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:31,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:31,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:31,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:31,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (1/1) ... [2019-10-14 23:37:31,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:37:31,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:37:31,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:37:31,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:37:31,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (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 [2019-10-14 23:37:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:37:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:37:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:37:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:37:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:37:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:37:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:37:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:37:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:37:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:37:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:37:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:37:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:37:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:37:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:37:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:37:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:37:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:37:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:37:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:37:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:37:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:37:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 23:37:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:37:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:37:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:37:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:37:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:37:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:37:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:37:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:37:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:37:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:37:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:37:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:37:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:37:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:37:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:37:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:37:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:37:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:37:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:37:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:37:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:37:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:37:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:37:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:37:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:37:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:37:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:37:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:37:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:37:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:37:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:37:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:37:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:37:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:37:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:37:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:37:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:37:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:37:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:37:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 23:37:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:37:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:37:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:37:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:37:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:37:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:37:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:37:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:37:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:37:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:37:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:37:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:37:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:37:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:37:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:37:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:37:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:37:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:37:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:37:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:37:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:37:32,301 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:37:32,301 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:37:32,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:32 BoogieIcfgContainer [2019-10-14 23:37:32,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:37:32,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:37:32,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:37:32,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:37:32,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:37:30" (1/3) ... [2019-10-14 23:37:32,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f75c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:32, skipping insertion in model container [2019-10-14 23:37:32,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:30" (2/3) ... [2019-10-14 23:37:32,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f75c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:32, skipping insertion in model container [2019-10-14 23:37:32,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:32" (3/3) ... [2019-10-14 23:37:32,312 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2019-10-14 23:37:32,323 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:37:32,333 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:37:32,346 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:37:32,374 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:37:32,374 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:37:32,375 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:37:32,375 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:37:32,375 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:37:32,375 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:37:32,376 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:37:32,376 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:37:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-14 23:37:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:37:32,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:32,407 INFO L380 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] [2019-10-14 23:37:32,409 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:32,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:32,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1645653850, now seen corresponding path program 1 times [2019-10-14 23:37:32,424 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:32,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794921679] [2019-10-14 23:37:32,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:32,425 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:32,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,113 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:33,170 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794921679] [2019-10-14 23:37:33,171 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:33,171 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:37:33,171 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048700926] [2019-10-14 23:37:33,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:37:33,177 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:33,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:37:33,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:37:33,195 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2019-10-14 23:37:34,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:34,185 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2019-10-14 23:37:34,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:37:34,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:37:34,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:34,202 INFO L225 Difference]: With dead ends: 219 [2019-10-14 23:37:34,202 INFO L226 Difference]: Without dead ends: 120 [2019-10-14 23:37:34,207 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:37:34,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-14 23:37:34,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2019-10-14 23:37:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-14 23:37:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-10-14 23:37:34,308 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2019-10-14 23:37:34,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:34,310 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-10-14 23:37:34,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:37:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-10-14 23:37:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:37:34,316 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:34,316 INFO L380 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] [2019-10-14 23:37:34,317 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:34,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:34,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1821384666, now seen corresponding path program 1 times [2019-10-14 23:37:34,318 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:34,318 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435039358] [2019-10-14 23:37:34,318 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:34,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:34,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,656 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:34,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435039358] [2019-10-14 23:37:34,719 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:34,719 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:37:34,719 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831734508] [2019-10-14 23:37:34,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:37:34,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:34,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:37:34,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:37:34,733 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2019-10-14 23:37:35,240 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:37:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:35,749 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2019-10-14 23:37:35,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:37:35,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:37:35,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:35,752 INFO L225 Difference]: With dead ends: 143 [2019-10-14 23:37:35,753 INFO L226 Difference]: Without dead ends: 104 [2019-10-14 23:37:35,754 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:37:35,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-10-14 23:37:35,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2019-10-14 23:37:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-14 23:37:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2019-10-14 23:37:35,807 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2019-10-14 23:37:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:35,807 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2019-10-14 23:37:35,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:37:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2019-10-14 23:37:35,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 23:37:35,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:35,810 INFO L380 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] [2019-10-14 23:37:35,810 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:35,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:35,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1519246168, now seen corresponding path program 1 times [2019-10-14 23:37:35,811 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:35,811 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551015502] [2019-10-14 23:37:35,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:35,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:35,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,176 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:36,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551015502] [2019-10-14 23:37:36,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:36,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:37:36,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522014515] [2019-10-14 23:37:36,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:37:36,273 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:36,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:37:36,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:37:36,274 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 8 states. [2019-10-14 23:37:36,696 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:37,051 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:37,335 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:37,607 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:38,455 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:37:39,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:39,457 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2019-10-14 23:37:39,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:37:39,458 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-14 23:37:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:39,461 INFO L225 Difference]: With dead ends: 287 [2019-10-14 23:37:39,461 INFO L226 Difference]: Without dead ends: 230 [2019-10-14 23:37:39,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:37:39,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-14 23:37:39,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2019-10-14 23:37:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-10-14 23:37:39,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2019-10-14 23:37:39,564 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2019-10-14 23:37:39,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:39,565 INFO L462 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2019-10-14 23:37:39,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:37:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2019-10-14 23:37:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-14 23:37:39,575 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:39,575 INFO L380 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] [2019-10-14 23:37:39,576 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:39,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:39,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1651463691, now seen corresponding path program 1 times [2019-10-14 23:37:39,576 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:39,577 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729014494] [2019-10-14 23:37:39,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:39,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:39,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:39,953 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:40,045 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729014494] [2019-10-14 23:37:40,045 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:40,045 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:37:40,045 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561375487] [2019-10-14 23:37:40,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:37:40,046 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:40,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:37:40,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:37:40,047 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 11 states. [2019-10-14 23:37:40,642 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:40,990 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:41,261 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:41,539 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:42,097 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:37:42,767 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:43,104 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:43,382 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:43,649 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:37:43,910 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:44,222 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:44,547 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:44,831 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:45,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:45,412 INFO L93 Difference]: Finished difference Result 594 states and 779 transitions. [2019-10-14 23:37:45,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 23:37:45,413 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2019-10-14 23:37:45,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:45,421 INFO L225 Difference]: With dead ends: 594 [2019-10-14 23:37:45,421 INFO L226 Difference]: Without dead ends: 450 [2019-10-14 23:37:45,423 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:37:45,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-14 23:37:45,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 422. [2019-10-14 23:37:45,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-14 23:37:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 520 transitions. [2019-10-14 23:37:45,509 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 520 transitions. Word has length 54 [2019-10-14 23:37:45,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:45,510 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 520 transitions. [2019-10-14 23:37:45,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:37:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 520 transitions. [2019-10-14 23:37:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-14 23:37:45,513 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:45,513 INFO L380 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] [2019-10-14 23:37:45,513 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:45,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:45,514 INFO L82 PathProgramCache]: Analyzing trace with hash 244560101, now seen corresponding path program 1 times [2019-10-14 23:37:45,514 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:45,514 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194603777] [2019-10-14 23:37:45,514 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:45,514 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:45,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,874 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:45,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194603777] [2019-10-14 23:37:45,949 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:45,949 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-14 23:37:45,949 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998468341] [2019-10-14 23:37:45,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 23:37:45,950 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:45,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 23:37:45,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:37:45,951 INFO L87 Difference]: Start difference. First operand 422 states and 520 transitions. Second operand 5 states. [2019-10-14 23:37:46,303 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:46,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:46,892 INFO L93 Difference]: Finished difference Result 736 states and 931 transitions. [2019-10-14 23:37:46,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-14 23:37:46,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-14 23:37:46,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:46,898 INFO L225 Difference]: With dead ends: 736 [2019-10-14 23:37:46,898 INFO L226 Difference]: Without dead ends: 373 [2019-10-14 23:37:46,901 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:37:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-10-14 23:37:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 360. [2019-10-14 23:37:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-14 23:37:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 419 transitions. [2019-10-14 23:37:46,969 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 419 transitions. Word has length 58 [2019-10-14 23:37:46,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:46,969 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 419 transitions. [2019-10-14 23:37:46,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 23:37:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 419 transitions. [2019-10-14 23:37:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:37:46,972 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:46,972 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:37:46,973 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:46,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:46,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1723103606, now seen corresponding path program 1 times [2019-10-14 23:37:46,973 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:46,974 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219285063] [2019-10-14 23:37:46,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:46,974 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:46,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,299 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-14 23:37:47,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219285063] [2019-10-14 23:37:47,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447935527] [2019-10-14 23:37:47,396 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 [2019-10-14 23:37:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:37:47,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:37:47,797 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:37:47,798 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:37:47,798 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-10-14 23:37:47,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562278431] [2019-10-14 23:37:47,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:37:47,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:47,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:37:47,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:37:47,800 INFO L87 Difference]: Start difference. First operand 360 states and 419 transitions. Second operand 13 states. [2019-10-14 23:37:48,402 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:49,145 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:49,883 INFO L93 Difference]: Finished difference Result 480 states and 570 transitions. [2019-10-14 23:37:49,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:37:49,883 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2019-10-14 23:37:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:49,884 INFO L225 Difference]: With dead ends: 480 [2019-10-14 23:37:49,884 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:37:49,886 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:37:49,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:37:49,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:37:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:37:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:37:49,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-14 23:37:49,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:49,887 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:37:49,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:37:49,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:37:49,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:37:50,094 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:37:50,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:37:51,382 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 17 [2019-10-14 23:37:52,396 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:37:52,920 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 17 [2019-10-14 23:37:53,105 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:37:53,304 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:37:53,559 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:37:53,770 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:37:53,965 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:37:54,252 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:54,436 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:37:54,710 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:37:55,286 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 17 [2019-10-14 23:37:55,886 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-14 23:37:56,130 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-14 23:37:56,353 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:37:56,972 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-14 23:37:57,595 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 22 [2019-10-14 23:37:57,787 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:37:57,994 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:37:58,527 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2019-10-14 23:37:58,588 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 23:37:58,588 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-14 23:37:58,588 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-14 23:37:58,589 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:37:58,589 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:37:58,589 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-14 23:37:58,589 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-14 23:37:58,590 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:37:58,590 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-14 23:37:58,590 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-14 23:37:58,590 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-14 23:37:58,590 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:37:58,590 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-14 23:37:58,590 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-14 23:37:58,591 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:37:58,591 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 23:37:58,591 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:37:58,591 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-14 23:37:58,591 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2019-10-14 23:37:58,591 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2019-10-14 23:37:58,591 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2019-10-14 23:37:58,592 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2019-10-14 23:37:58,592 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2019-10-14 23:37:58,592 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2019-10-14 23:37:58,592 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2019-10-14 23:37:58,592 INFO L439 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:37:58,592 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 754) no Hoare annotation was computed. [2019-10-14 23:37:58,592 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:37:58,592 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-10-14 23:37:58,593 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 757) no Hoare annotation was computed. [2019-10-14 23:37:58,593 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2019-10-14 23:37:58,593 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-10-14 23:37:58,593 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-14 23:37:58,593 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,593 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2019-10-14 23:37:58,593 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= main_~tmp~5 ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,594 INFO L439 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= main_~tmp~5 ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,594 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2019-10-14 23:37:58,594 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-10-14 23:37:58,594 INFO L443 ceAbstractionStarter]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2019-10-14 23:37:58,594 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-14 23:37:58,594 INFO L439 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,595 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,595 INFO L439 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,595 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-14 23:37:58,595 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-14 23:37:58,595 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2019-10-14 23:37:58,595 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-14 23:37:58,595 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-14 23:37:58,596 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-14 23:37:58,597 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-14 23:37:58,597 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-14 23:37:58,597 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-14 23:37:58,597 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2019-10-14 23:37:58,597 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:37:58,597 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:37:58,597 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2019-10-14 23:37:58,597 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-14 23:37:58,598 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2019-10-14 23:37:58,598 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2019-10-14 23:37:58,598 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2019-10-14 23:37:58,598 INFO L443 ceAbstractionStarter]: For program point L610-2(lines 610 618) no Hoare annotation was computed. [2019-10-14 23:37:58,598 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-10-14 23:37:58,598 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-14 23:37:58,598 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 603 638) no Hoare annotation was computed. [2019-10-14 23:37:58,598 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 630) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 618) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:37:58,599 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:37:58,600 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-14 23:37:58,600 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-14 23:37:58,600 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:37:58,600 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:37:58,600 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:37:58,600 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-14 23:37:58,600 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,600 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2019-10-14 23:37:58,601 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2019-10-14 23:37:58,601 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2019-10-14 23:37:58,601 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-14 23:37:58,601 INFO L443 ceAbstractionStarter]: For program point L588-1(line 588) no Hoare annotation was computed. [2019-10-14 23:37:58,601 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2019-10-14 23:37:58,601 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 583 593) no Hoare annotation was computed. [2019-10-14 23:37:58,601 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2019-10-14 23:37:58,601 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2019-10-14 23:37:58,602 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2019-10-14 23:37:58,602 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2019-10-14 23:37:58,602 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2019-10-14 23:37:58,602 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,602 INFO L439 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,602 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-10-14 23:37:58,603 INFO L439 ceAbstractionStarter]: At program point L504-1(lines 498 511) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:37:58,603 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2019-10-14 23:37:58,603 INFO L443 ceAbstractionStarter]: For program point L469(lines 468 515) no Hoare annotation was computed. [2019-10-14 23:37:58,603 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-14 23:37:58,603 INFO L439 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:37:58,603 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 494) no Hoare annotation was computed. [2019-10-14 23:37:58,603 INFO L443 ceAbstractionStarter]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2019-10-14 23:37:58,604 INFO L439 ceAbstractionStarter]: At program point L513(lines 468 515) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:37:58,604 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:37:58,604 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2019-10-14 23:37:58,604 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2019-10-14 23:37:58,604 INFO L443 ceAbstractionStarter]: For program point L470(lines 470 474) no Hoare annotation was computed. [2019-10-14 23:37:58,604 INFO L439 ceAbstractionStarter]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-14 23:37:58,605 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 719) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 703 725) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-14 23:37:58,606 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-14 23:37:58,607 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-14 23:37:58,608 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-14 23:37:58,608 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:37:58,608 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-14 23:37:58,608 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-14 23:37:58,608 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2019-10-14 23:37:58,608 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2019-10-14 23:37:58,608 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2019-10-14 23:37:58,609 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:37:58,609 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.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~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-14 23:37:58,609 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:37:58,609 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 567 574) no Hoare annotation was computed. [2019-10-14 23:37:58,609 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2019-10-14 23:37:58,610 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2019-10-14 23:37:58,610 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2019-10-14 23:37:58,610 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2019-10-14 23:37:58,610 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2019-10-14 23:37:58,610 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:37:58,610 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:37:58,610 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:37:58,610 INFO L443 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2019-10-14 23:37:58,611 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:37:58,611 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2019-10-14 23:37:58,611 INFO L439 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:37:58,611 INFO L443 ceAbstractionStarter]: For program point L540(lines 539 558) no Hoare annotation was computed. [2019-10-14 23:37:58,611 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:37:58,611 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2019-10-14 23:37:58,611 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2019-10-14 23:37:58,612 INFO L439 ceAbstractionStarter]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1)))) [2019-10-14 23:37:58,612 INFO L439 ceAbstractionStarter]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:37:58,612 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-10-14 23:37:58,612 INFO L443 ceAbstractionStarter]: For program point L769-1(line 769) no Hoare annotation was computed. [2019-10-14 23:37:58,612 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2019-10-14 23:37:58,612 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2019-10-14 23:37:58,612 INFO L446 ceAbstractionStarter]: At program point L788(lines 763 792) the Hoare annotation is: true [2019-10-14 23:37:58,612 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-10-14 23:37:58,613 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-14 23:37:58,613 INFO L446 ceAbstractionStarter]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2019-10-14 23:37:58,613 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-14 23:37:58,613 INFO L446 ceAbstractionStarter]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2019-10-14 23:37:58,613 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2019-10-14 23:37:58,613 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 694 702) no Hoare annotation was computed. [2019-10-14 23:37:58,613 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2019-10-14 23:37:58,613 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2019-10-14 23:37:58,613 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2019-10-14 23:37:58,614 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2019-10-14 23:37:58,614 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2019-10-14 23:37:58,614 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2019-10-14 23:37:58,614 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:37:58,614 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:37:58,614 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:37:58,614 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:37:58,614 INFO L443 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2019-10-14 23:37:58,615 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2019-10-14 23:37:58,615 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:37:58,615 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:37:58,615 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-14 23:37:58,615 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-14 23:37:58,615 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:37:58,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:37:58 BoogieIcfgContainer [2019-10-14 23:37:58,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:37:58,632 INFO L168 Benchmark]: Toolchain (without parser) took 28257.32 ms. Allocated memory was 140.0 MB in the beginning and 586.2 MB in the end (delta: 446.2 MB). Free memory was 104.6 MB in the beginning and 425.5 MB in the end (delta: -320.9 MB). Peak memory consumption was 464.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:58,633 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 140.0 MB. Free memory was 123.3 MB in the beginning and 123.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:37:58,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.60 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 104.4 MB in the beginning and 175.3 MB in the end (delta: -70.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:58,635 INFO L168 Benchmark]: Boogie Preprocessor took 84.26 ms. Allocated memory is still 204.5 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:58,636 INFO L168 Benchmark]: RCFGBuilder took 1223.45 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.9 MB in the beginning and 203.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:58,637 INFO L168 Benchmark]: TraceAbstraction took 26326.65 ms. Allocated memory was 235.9 MB in the beginning and 586.2 MB in the end (delta: 350.2 MB). Free memory was 203.2 MB in the beginning and 425.5 MB in the end (delta: -222.3 MB). Peak memory consumption was 467.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:37:58,641 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 140.0 MB. Free memory was 123.3 MB in the beginning and 123.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.60 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 104.4 MB in the beginning and 175.3 MB in the end (delta: -70.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.26 ms. Allocated memory is still 204.5 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1223.45 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.9 MB in the beginning and 203.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26326.65 ms. Allocated memory was 235.9 MB in the beginning and 586.2 MB in the end (delta: 350.2 MB). Free memory was 203.2 MB in the beginning and 425.5 MB in the end (delta: -222.3 MB). Peak memory consumption was 467.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Result: SAFE, OverallTime: 26.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, HoareTripleCheckerStatistics: 468 SDtfs, 825 SDslu, 545 SDs, 0 SdLazy, 2214 SolverSat, 507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 156 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 420 PreInvPairs, 469 NumberOfFragments, 838 HoareAnnotationTreeSize, 420 FomulaSimplifications, 46107 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 13886 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 115770 SizeOfPredicates, 3 NumberOfNonLiveVariables, 729 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 49/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...