java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:05:24,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:05:24,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:05:24,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:05:24,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:05:24,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:05:24,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:05:24,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:05:24,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:05:24,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:05:24,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:05:24,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:05:24,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:05:24,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:05:24,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:05:24,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:05:24,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:05:24,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:05:24,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:05:24,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:05:24,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:05:24,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:05:24,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:05:24,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:05:24,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:05:24,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:05:24,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:05:24,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:05:24,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:05:24,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:05:24,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:05:24,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:05:24,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:05:24,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:05:24,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:05:24,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:05:24,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:05:24,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:05:24,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:05:24,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:05:24,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:05:24,173 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 [2019-09-20 13:05:24,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:05:24,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:05:24,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:05:24,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:05:24,191 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:05:24,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:05:24,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:05:24,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:05:24,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:05:24,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:05:24,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:05:24,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:05:24,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:05:24,196 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:05:24,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:05:24,196 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:05:24,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:05:24,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:05:24,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:05:24,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:05:24,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:05:24,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:24,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:05:24,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:05:24,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:05:24,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:05:24,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:05:24,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:05:24,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:05:24,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:05:24,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:05:24,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:05:24,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:05:24,253 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:05:24,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-09-20 13:05:24,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54b4026f/077735d81fff42de8c0b2342518eadba/FLAG401efc0ca [2019-09-20 13:05:24,923 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:05:24,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2019-09-20 13:05:24,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54b4026f/077735d81fff42de8c0b2342518eadba/FLAG401efc0ca [2019-09-20 13:05:25,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d54b4026f/077735d81fff42de8c0b2342518eadba [2019-09-20 13:05:25,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:05:25,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:05:25,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:25,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:05:25,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:05:25,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:25,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a928e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25, skipping insertion in model container [2019-09-20 13:05:25,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:25,182 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:05:25,247 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:05:25,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:25,755 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:05:25,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:25,956 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:05:25,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25 WrapperNode [2019-09-20 13:05:25,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:25,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:05:25,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:05:25,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:05:25,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:25,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:25,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:25,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:26,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:26,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:26,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (1/1) ... [2019-09-20 13:05:26,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:05:26,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:05:26,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:05:26,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:05:26,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (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 [2019-09-20 13:05:26,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:05:26,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:05:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:05:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:05:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:05:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:05:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:05:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:26,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:05:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:05:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:05:26,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:05:26,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:05:26,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:05:26,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:05:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:05:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:05:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:05:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:05:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:05:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:05:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:05:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:05:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:05:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:05:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:05:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:05:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:05:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:05:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:05:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:05:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:05:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:05:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:05:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:05:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:05:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:05:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:05:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:05:26,141 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:05:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:05:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:05:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:05:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:05:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:05:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:05:26,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:05:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:05:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:05:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:05:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:05:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:05:26,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:05:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:05:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:05:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:05:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:05:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:05:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:05:26,144 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:05:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:05:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:05:26,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:05:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:05:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:05:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:05:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:05:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:05:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:05:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:05:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:05:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:05:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:05:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:05:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:05:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:05:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:05:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:05:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:05:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:05:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:05:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:05:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:05:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:05:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:05:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:05:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:05:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:05:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:27,385 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:27,385 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:27,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:27 BoogieIcfgContainer [2019-09-20 13:05:27,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:27,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:27,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:27,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:27,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:05:25" (1/3) ... [2019-09-20 13:05:27,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5538690c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:27, skipping insertion in model container [2019-09-20 13:05:27,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:25" (2/3) ... [2019-09-20 13:05:27,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5538690c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:27, skipping insertion in model container [2019-09-20 13:05:27,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:27" (3/3) ... [2019-09-20 13:05:27,400 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2019-09-20 13:05:27,411 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:27,423 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:27,441 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:27,482 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:27,483 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:27,483 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:27,483 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:27,484 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:27,484 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:27,484 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:27,484 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:27,485 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-09-20 13:05:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:05:27,525 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:27,526 INFO L407 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] [2019-09-20 13:05:27,529 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:27,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:27,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1299073538, now seen corresponding path program 1 times [2019-09-20 13:05:27,535 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:27,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:27,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:27,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:27,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:27,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:27,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:27,882 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:27,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:27,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:27,910 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2019-09-20 13:05:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:27,969 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2019-09-20 13:05:27,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:27,971 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:05:27,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:27,985 INFO L225 Difference]: With dead ends: 306 [2019-09-20 13:05:27,985 INFO L226 Difference]: Without dead ends: 155 [2019-09-20 13:05:27,992 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:28,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-09-20 13:05:28,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-09-20 13:05:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-09-20 13:05:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2019-09-20 13:05:28,055 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2019-09-20 13:05:28,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:28,056 INFO L475 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2019-09-20 13:05:28,056 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:28,056 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2019-09-20 13:05:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:28,061 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:28,061 INFO L407 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] [2019-09-20 13:05:28,061 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:28,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:28,062 INFO L82 PathProgramCache]: Analyzing trace with hash -155172335, now seen corresponding path program 1 times [2019-09-20 13:05:28,062 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:28,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:28,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:28,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:28,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:28,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:28,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:28,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:28,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:28,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:28,224 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2019-09-20 13:05:28,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:28,249 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-09-20 13:05:28,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:28,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:05:28,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:28,252 INFO L225 Difference]: With dead ends: 255 [2019-09-20 13:05:28,253 INFO L226 Difference]: Without dead ends: 146 [2019-09-20 13:05:28,255 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:28,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-09-20 13:05:28,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-09-20 13:05:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-09-20 13:05:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2019-09-20 13:05:28,274 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2019-09-20 13:05:28,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:28,274 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2019-09-20 13:05:28,275 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2019-09-20 13:05:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:05:28,277 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:28,278 INFO L407 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] [2019-09-20 13:05:28,278 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:28,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1504957008, now seen corresponding path program 1 times [2019-09-20 13:05:28,279 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:28,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:28,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:28,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:28,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:28,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:28,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:28,499 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:28,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:28,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:28,500 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2019-09-20 13:05:28,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:28,919 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2019-09-20 13:05:28,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:28,919 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-20 13:05:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:28,922 INFO L225 Difference]: With dead ends: 264 [2019-09-20 13:05:28,924 INFO L226 Difference]: Without dead ends: 146 [2019-09-20 13:05:28,926 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:28,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-09-20 13:05:28,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-09-20 13:05:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-09-20 13:05:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-09-20 13:05:28,945 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2019-09-20 13:05:28,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:28,946 INFO L475 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-09-20 13:05:28,946 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-09-20 13:05:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-20 13:05:28,955 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:28,955 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:28,955 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:28,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:28,956 INFO L82 PathProgramCache]: Analyzing trace with hash -775636071, now seen corresponding path program 1 times [2019-09-20 13:05:28,956 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:28,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:28,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:28,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:28,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:29,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:29,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:29,110 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:29,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:29,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:29,110 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2019-09-20 13:05:29,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:29,718 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2019-09-20 13:05:29,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:29,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2019-09-20 13:05:29,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:29,729 INFO L225 Difference]: With dead ends: 375 [2019-09-20 13:05:29,729 INFO L226 Difference]: Without dead ends: 257 [2019-09-20 13:05:29,731 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:29,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-09-20 13:05:29,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2019-09-20 13:05:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-09-20 13:05:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2019-09-20 13:05:29,793 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2019-09-20 13:05:29,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:29,795 INFO L475 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2019-09-20 13:05:29,796 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2019-09-20 13:05:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:05:29,804 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:29,804 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:29,805 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:29,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:29,807 INFO L82 PathProgramCache]: Analyzing trace with hash 2094752105, now seen corresponding path program 1 times [2019-09-20 13:05:29,807 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:29,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:29,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:29,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:29,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:29,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:29,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:29,984 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:29,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:29,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:29,986 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2019-09-20 13:05:30,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:30,245 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2019-09-20 13:05:30,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:30,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-20 13:05:30,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:30,251 INFO L225 Difference]: With dead ends: 643 [2019-09-20 13:05:30,252 INFO L226 Difference]: Without dead ends: 432 [2019-09-20 13:05:30,253 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:30,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2019-09-20 13:05:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2019-09-20 13:05:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-09-20 13:05:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-09-20 13:05:30,322 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2019-09-20 13:05:30,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:30,324 INFO L475 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-09-20 13:05:30,324 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-09-20 13:05:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:05:30,327 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:30,328 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:30,328 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:30,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:30,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1169136517, now seen corresponding path program 1 times [2019-09-20 13:05:30,328 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:30,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:30,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:30,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:30,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:30,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:30,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:30,482 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:30,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:30,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:30,483 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2019-09-20 13:05:31,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:31,153 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2019-09-20 13:05:31,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:05:31,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-09-20 13:05:31,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:31,157 INFO L225 Difference]: With dead ends: 853 [2019-09-20 13:05:31,157 INFO L226 Difference]: Without dead ends: 455 [2019-09-20 13:05:31,159 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-09-20 13:05:31,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2019-09-20 13:05:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-09-20 13:05:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2019-09-20 13:05:31,189 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2019-09-20 13:05:31,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:31,189 INFO L475 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2019-09-20 13:05:31,189 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2019-09-20 13:05:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-20 13:05:31,191 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:31,192 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:31,192 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:31,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:31,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1253770304, now seen corresponding path program 1 times [2019-09-20 13:05:31,192 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:31,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:31,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:31,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:05:31,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:31,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:31,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:31,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:31,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:31,286 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2019-09-20 13:05:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:31,338 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2019-09-20 13:05:31,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:31,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-09-20 13:05:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:31,342 INFO L225 Difference]: With dead ends: 836 [2019-09-20 13:05:31,343 INFO L226 Difference]: Without dead ends: 439 [2019-09-20 13:05:31,344 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:31,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-09-20 13:05:31,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2019-09-20 13:05:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-09-20 13:05:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2019-09-20 13:05:31,368 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2019-09-20 13:05:31,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:31,369 INFO L475 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2019-09-20 13:05:31,369 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:31,369 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2019-09-20 13:05:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-20 13:05:31,371 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:31,371 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:31,372 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:31,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:31,372 INFO L82 PathProgramCache]: Analyzing trace with hash 685391742, now seen corresponding path program 1 times [2019-09-20 13:05:31,372 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:31,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:31,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:31,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:05:31,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:31,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:05:31,456 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:05:31,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:05:31,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:31,457 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2019-09-20 13:05:31,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:31,508 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2019-09-20 13:05:31,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:31,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-09-20 13:05:31,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:31,513 INFO L225 Difference]: With dead ends: 856 [2019-09-20 13:05:31,514 INFO L226 Difference]: Without dead ends: 449 [2019-09-20 13:05:31,515 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:31,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-09-20 13:05:31,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2019-09-20 13:05:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-09-20 13:05:31,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2019-09-20 13:05:31,542 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2019-09-20 13:05:31,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:31,543 INFO L475 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2019-09-20 13:05:31,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:05:31,543 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2019-09-20 13:05:31,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-20 13:05:31,546 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:31,546 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:31,546 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:31,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:31,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1454561757, now seen corresponding path program 1 times [2019-09-20 13:05:31,547 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:31,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:31,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:31,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:05:31,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:31,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:05:31,648 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:05:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:05:31,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:31,649 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2019-09-20 13:05:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:31,893 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2019-09-20 13:05:31,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:05:31,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-09-20 13:05:31,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:31,900 INFO L225 Difference]: With dead ends: 1306 [2019-09-20 13:05:31,900 INFO L226 Difference]: Without dead ends: 891 [2019-09-20 13:05:31,902 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:05:31,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2019-09-20 13:05:31,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2019-09-20 13:05:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2019-09-20 13:05:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2019-09-20 13:05:31,954 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2019-09-20 13:05:31,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:31,955 INFO L475 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2019-09-20 13:05:31,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:05:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2019-09-20 13:05:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-20 13:05:31,957 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:31,957 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:31,958 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:31,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:31,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1438503063, now seen corresponding path program 1 times [2019-09-20 13:05:31,958 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:31,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:31,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:31,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:05:32,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:32,108 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:32,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:32,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:05:32,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:32,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:32,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:05:32,613 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:05:32,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:05:32,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:05:32,614 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2019-09-20 13:05:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:33,966 INFO L93 Difference]: Finished difference Result 1691 states and 2002 transitions. [2019-09-20 13:05:33,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:05:33,966 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2019-09-20 13:05:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:33,972 INFO L225 Difference]: With dead ends: 1691 [2019-09-20 13:05:33,972 INFO L226 Difference]: Without dead ends: 843 [2019-09-20 13:05:33,975 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:05:33,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2019-09-20 13:05:34,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2019-09-20 13:05:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2019-09-20 13:05:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 971 transitions. [2019-09-20 13:05:34,051 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 971 transitions. Word has length 112 [2019-09-20 13:05:34,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:34,052 INFO L475 AbstractCegarLoop]: Abstraction has 843 states and 971 transitions. [2019-09-20 13:05:34,052 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:05:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 971 transitions. [2019-09-20 13:05:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-09-20 13:05:34,057 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:34,057 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:34,058 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:34,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:34,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1023478100, now seen corresponding path program 1 times [2019-09-20 13:05:34,058 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:34,058 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:34,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:34,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:34,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-09-20 13:05:34,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:34,159 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:34,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:34,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:05:34,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:05:34,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:34,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:05:34,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:34,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:34,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:34,435 INFO L87 Difference]: Start difference. First operand 843 states and 971 transitions. Second operand 6 states. [2019-09-20 13:05:35,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:35,479 INFO L93 Difference]: Finished difference Result 1811 states and 2185 transitions. [2019-09-20 13:05:35,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:35,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2019-09-20 13:05:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:35,492 INFO L225 Difference]: With dead ends: 1811 [2019-09-20 13:05:35,493 INFO L226 Difference]: Without dead ends: 1126 [2019-09-20 13:05:35,495 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:35,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-09-20 13:05:35,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1025. [2019-09-20 13:05:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2019-09-20 13:05:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1200 transitions. [2019-09-20 13:05:35,578 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1200 transitions. Word has length 185 [2019-09-20 13:05:35,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:35,578 INFO L475 AbstractCegarLoop]: Abstraction has 1025 states and 1200 transitions. [2019-09-20 13:05:35,578 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1200 transitions. [2019-09-20 13:05:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-20 13:05:35,583 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:35,583 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:35,584 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:35,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:35,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2045020006, now seen corresponding path program 1 times [2019-09-20 13:05:35,584 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:35,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:35,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:35,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:35,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:05:35,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:35,733 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:35,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:35,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:05:35,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:05:36,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:36,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:05:36,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:05:36,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:05:36,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:05:36,098 INFO L87 Difference]: Start difference. First operand 1025 states and 1200 transitions. Second operand 19 states. [2019-09-20 13:05:37,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:37,326 INFO L93 Difference]: Finished difference Result 1757 states and 2095 transitions. [2019-09-20 13:05:37,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:05:37,327 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 181 [2019-09-20 13:05:37,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:37,328 INFO L225 Difference]: With dead ends: 1757 [2019-09-20 13:05:37,328 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:05:37,334 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:05:37,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:05:37,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:05:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:05:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:05:37,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2019-09-20 13:05:37,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:37,336 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:05:37,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:05:37,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:05:37,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:05:37,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:05:38,146 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2019-09-20 13:05:38,334 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 16 [2019-09-20 13:05:38,894 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-20 13:05:39,871 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2019-09-20 13:05:40,101 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2019-09-20 13:05:40,477 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-09-20 13:05:40,734 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2019-09-20 13:05:41,179 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point L286(lines 263 287) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 239 294) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point L270-1(lines 270 274) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 239 294) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point L264-2(lines 264 285) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 239 294) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point L321-2(lines 321 346) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point L347(lines 320 348) no Hoare annotation was computed. [2019-09-20 13:05:41,507 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 295 354) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 295 354) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 295 354) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-09-20 13:05:41,508 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2019-09-20 13:05:41,508 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2019-09-20 13:05:41,509 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2019-09-20 13:05:41,509 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2019-09-20 13:05:41,509 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2019-09-20 13:05:41,509 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,509 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2019-09-20 13:05:41,509 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,510 INFO L439 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,510 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2019-09-20 13:05:41,510 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2019-09-20 13:05:41,510 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2019-09-20 13:05:41,510 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-09-20 13:05:41,510 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,511 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,511 INFO L439 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,511 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-09-20 13:05:41,511 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-20 13:05:41,511 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 117 140) no Hoare annotation was computed. [2019-09-20 13:05:41,511 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-09-20 13:05:41,511 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 117 140) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 117 140) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-09-20 13:05:41,512 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-09-20 13:05:41,513 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-09-20 13:05:41,513 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-09-20 13:05:41,513 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-09-20 13:05:41,513 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3))) [2019-09-20 13:05:41,513 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2019-09-20 13:05:41,513 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:41,514 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:05:41,514 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2019-09-20 13:05:41,514 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:05:41,514 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-09-20 13:05:41,514 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:05:41,514 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-09-20 13:05:41,514 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-09-20 13:05:41,515 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2019-09-20 13:05:41,515 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2019-09-20 13:05:41,515 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2019-09-20 13:05:41,515 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2019-09-20 13:05:41,515 INFO L443 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2019-09-20 13:05:41,515 INFO L446 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2019-09-20 13:05:41,515 INFO L443 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2019-09-20 13:05:41,515 INFO L443 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 964) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point L956-2(lines 956 964) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 952) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 937 972) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-09-20 13:05:41,516 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 937 972) no Hoare annotation was computed. [2019-09-20 13:05:41,517 INFO L443 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-09-20 13:05:41,517 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 937 972) no Hoare annotation was computed. [2019-09-20 13:05:41,517 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2019-09-20 13:05:41,517 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2019-09-20 13:05:41,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 193 238) no Hoare annotation was computed. [2019-09-20 13:05:41,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 193 238) no Hoare annotation was computed. [2019-09-20 13:05:41,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 193 238) no Hoare annotation was computed. [2019-09-20 13:05:41,517 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 506 551) no Hoare annotation was computed. [2019-09-20 13:05:41,518 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-09-20 13:05:41,518 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 506 551) no Hoare annotation was computed. [2019-09-20 13:05:41,518 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 540) no Hoare annotation was computed. [2019-09-20 13:05:41,518 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 540) no Hoare annotation was computed. [2019-09-20 13:05:41,518 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 506 551) no Hoare annotation was computed. [2019-09-20 13:05:41,518 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,518 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2019-09-20 13:05:41,518 INFO L439 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,519 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2019-09-20 13:05:41,519 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2019-09-20 13:05:41,519 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2019-09-20 13:05:41,519 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-09-20 13:05:41,519 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-09-20 13:05:41,519 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2019-09-20 13:05:41,519 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-09-20 13:05:41,520 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2019-09-20 13:05:41,520 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2019-09-20 13:05:41,520 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2019-09-20 13:05:41,520 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2019-09-20 13:05:41,520 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2019-09-20 13:05:41,520 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2019-09-20 13:05:41,520 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2))) [2019-09-20 13:05:41,520 INFO L443 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2019-09-20 13:05:41,520 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2019-09-20 13:05:41,521 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2019-09-20 13:05:41,521 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:41,521 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse4 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2019-09-20 13:05:41,521 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2019-09-20 13:05:41,521 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-20 13:05:41,521 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:41,522 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2019-09-20 13:05:41,522 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2019-09-20 13:05:41,522 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2019-09-20 13:05:41,522 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-09-20 13:05:41,522 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,522 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2019-09-20 13:05:41,522 INFO L439 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:05:41,522 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2019-09-20 13:05:41,523 INFO L439 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (and .cse0 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:41,523 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2019-09-20 13:05:41,523 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2019-09-20 13:05:41,523 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:41,523 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-09-20 13:05:41,523 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2019-09-20 13:05:41,524 INFO L439 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (and (and .cse0 (= ~pumpRunning~0 0)) (= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:41,524 INFO L439 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:05:41,524 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-09-20 13:05:41,524 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2019-09-20 13:05:41,524 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2019-09-20 13:05:41,524 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 487) no Hoare annotation was computed. [2019-09-20 13:05:41,524 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 494) no Hoare annotation was computed. [2019-09-20 13:05:41,524 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 460 505) no Hoare annotation was computed. [2019-09-20 13:05:41,525 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2019-09-20 13:05:41,525 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 460 505) no Hoare annotation was computed. [2019-09-20 13:05:41,525 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 460 505) no Hoare annotation was computed. [2019-09-20 13:05:41,525 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-09-20 13:05:41,525 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2019-09-20 13:05:41,525 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2019-09-20 13:05:41,525 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2019-09-20 13:05:41,525 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2019-09-20 13:05:41,526 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2019-09-20 13:05:41,526 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-09-20 13:05:41,526 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-09-20 13:05:41,526 INFO L439 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:05:41,526 INFO L443 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2019-09-20 13:05:41,526 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-09-20 13:05:41,526 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2019-09-20 13:05:41,526 INFO L446 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2019-09-20 13:05:41,527 INFO L443 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2019-09-20 13:05:41,527 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2019-09-20 13:05:41,527 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2019-09-20 13:05:41,527 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:41,527 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-09-20 13:05:41,527 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-09-20 13:05:41,527 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-09-20 13:05:41,527 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 714 736) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 714 736) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 714 736) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 357 459) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point L407(lines 406 426) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-09-20 13:05:41,528 INFO L443 ceAbstractionStarter]: For program point L438-1(line 438) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 444) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 357 459) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point L422-1(line 422) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 456) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 426) no Hoare annotation was computed. [2019-09-20 13:05:41,529 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 357 459) no Hoare annotation was computed. [2019-09-20 13:05:41,530 INFO L443 ceAbstractionStarter]: For program point L427(lines 405 428) no Hoare annotation was computed. [2019-09-20 13:05:41,530 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 402) no Hoare annotation was computed. [2019-09-20 13:05:41,530 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 563 572) no Hoare annotation was computed. [2019-09-20 13:05:41,530 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 563 572) no Hoare annotation was computed. [2019-09-20 13:05:41,530 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 563 572) no Hoare annotation was computed. [2019-09-20 13:05:41,530 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,530 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:05:41,530 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,531 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:05:41,531 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-09-20 13:05:41,531 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2019-09-20 13:05:41,531 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:05:41,531 INFO L439 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~9) (= ~pumpRunning~0 0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 737 745) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 737 745) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 737 745) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2019-09-20 13:05:41,532 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2019-09-20 13:05:41,532 INFO L446 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2019-09-20 13:05:41,533 INFO L443 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2019-09-20 13:05:41,533 INFO L443 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2019-09-20 13:05:41,533 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (= 1 ~methaneLevelCritical~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-09-20 13:05:41,533 INFO L443 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2019-09-20 13:05:41,533 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2019-09-20 13:05:41,533 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,533 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,534 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,534 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2019-09-20 13:05:41,534 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2019-09-20 13:05:41,534 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2019-09-20 13:05:41,534 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (and .cse2 .cse3) .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse2)) (or .cse3 (or .cse0 .cse4 .cse1)))) [2019-09-20 13:05:41,534 INFO L439 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 .cse5)) (.cse2 (and .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) .cse3) .cse2 .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))))) [2019-09-20 13:05:41,535 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2019-09-20 13:05:41,535 INFO L439 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (and .cse4 .cse1 .cse2) .cse0))) [2019-09-20 13:05:41,535 INFO L443 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2019-09-20 13:05:41,535 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2019-09-20 13:05:41,535 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2019-09-20 13:05:41,535 INFO L446 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2019-09-20 13:05:41,535 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2019-09-20 13:05:41,535 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-09-20 13:05:41,536 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2019-09-20 13:05:41,536 INFO L446 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2019-09-20 13:05:41,536 INFO L446 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2019-09-20 13:05:41,536 INFO L443 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2019-09-20 13:05:41,536 INFO L446 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2019-09-20 13:05:41,536 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-09-20 13:05:41,536 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-09-20 13:05:41,536 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2019-09-20 13:05:41,536 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or .cse1 .cse2)) (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2019-09-20 13:05:41,537 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2019-09-20 13:05:41,537 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2019-09-20 13:05:41,537 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2019-09-20 13:05:41,537 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,537 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:05:41,537 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:05:41,537 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:05:41,537 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:41,537 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2019-09-20 13:05:41,538 INFO L439 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:05:41,538 INFO L443 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2019-09-20 13:05:41,538 INFO L439 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0) (or .cse0 .cse3 .cse1))) [2019-09-20 13:05:41,538 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1)))) [2019-09-20 13:05:41,538 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2019-09-20 13:05:41,538 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3))) [2019-09-20 13:05:41,538 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-09-20 13:05:41,539 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2019-09-20 13:05:41,539 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2019-09-20 13:05:41,539 INFO L443 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2019-09-20 13:05:41,539 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:05:41,539 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2019-09-20 13:05:41,539 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-09-20 13:05:41,539 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2019-09-20 13:05:41,539 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2019-09-20 13:05:41,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:05:41 BoogieIcfgContainer [2019-09-20 13:05:41,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:05:41,556 INFO L168 Benchmark]: Toolchain (without parser) took 16392.60 ms. Allocated memory was 131.6 MB in the beginning and 542.1 MB in the end (delta: 410.5 MB). Free memory was 86.9 MB in the beginning and 359.0 MB in the end (delta: -272.1 MB). Peak memory consumption was 358.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,557 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.05 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 160.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,559 INFO L168 Benchmark]: Boogie Preprocessor took 89.02 ms. Allocated memory is still 198.2 MB. Free memory was 160.6 MB in the beginning and 156.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,560 INFO L168 Benchmark]: RCFGBuilder took 1341.67 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 156.0 MB in the beginning and 182.7 MB in the end (delta: -26.7 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,561 INFO L168 Benchmark]: TraceAbstraction took 14162.91 ms. Allocated memory was 219.2 MB in the beginning and 542.1 MB in the end (delta: 323.0 MB). Free memory was 182.7 MB in the beginning and 359.0 MB in the end (delta: -176.3 MB). Peak memory consumption was 367.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:05:41,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.05 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 160.6 MB in the end (delta: -73.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.02 ms. Allocated memory is still 198.2 MB. Free memory was 160.6 MB in the beginning and 156.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1341.67 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 156.0 MB in the beginning and 182.7 MB in the end (delta: -26.7 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14162.91 ms. Allocated memory was 219.2 MB in the beginning and 542.1 MB in the end (delta: 323.0 MB). Free memory was 182.7 MB in the beginning and 359.0 MB in the end (delta: -176.3 MB). Peak memory consumption was 367.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 257 locations, 1 error locations. SAFE Result, 14.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2529 SDtfs, 1879 SDslu, 8330 SDs, 0 SdLazy, 3961 SolverSat, 579 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 637 GetRequests, 521 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1025occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 180 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2454 PreInvPairs, 2580 NumberOfFragments, 1533 HoareAnnotationTreeSize, 2454 FomulaSimplifications, 4564 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 70 FomulaSimplificationsInter, 13666 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1693 NumberOfCodeBlocks, 1693 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1678 ConstructedInterpolants, 0 QuantifiedInterpolants, 333729 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2764 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 221/231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...