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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:41,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:41,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:41,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:41,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:41,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:41,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:41,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:41,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:41,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:41,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:41,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:41,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:41,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:41,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:41,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:41,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:41,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:41,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:41,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:41,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:41,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:41,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:41,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:41,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:41,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:41,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:41,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:41,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:41,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:41,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:41,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:41,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:41,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:41,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:41,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:41,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:41,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:41,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:41,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:41,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:41,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:19:42,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:42,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:42,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:42,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:42,005 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:42,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:42,006 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:42,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:42,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:42,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:42,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:42,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:42,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:42,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:42,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:42,009 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:42,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:42,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:42,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:42,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:42,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:42,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:42,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:42,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:42,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:42,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:42,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:42,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:42,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:19:42,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:42,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:42,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:42,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:42,322 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:42,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-15 01:19:42,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34a76761/67a8088ca1b64bc59f4c41bc7f4f5d14/FLAG497eda4e0 [2019-10-15 01:19:42,946 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:42,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2019-10-15 01:19:42,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34a76761/67a8088ca1b64bc59f4c41bc7f4f5d14/FLAG497eda4e0 [2019-10-15 01:19:43,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34a76761/67a8088ca1b64bc59f4c41bc7f4f5d14 [2019-10-15 01:19:43,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:43,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:43,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:43,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:43,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:43,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ca86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43, skipping insertion in model container [2019-10-15 01:19:43,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:43,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:43,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:43,790 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:43,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:43,938 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:43,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43 WrapperNode [2019-10-15 01:19:43,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:43,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:43,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:43,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:43,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:43,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:44,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:44,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:44,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... [2019-10-15 01:19:44,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:44,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:44,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:44,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:44,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:44,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:19:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:19:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:19:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:45,375 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:45,376 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:45,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:45 BoogieIcfgContainer [2019-10-15 01:19:45,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:45,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:45,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:45,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:45,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:43" (1/3) ... [2019-10-15 01:19:45,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e890085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:45, skipping insertion in model container [2019-10-15 01:19:45,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:43" (2/3) ... [2019-10-15 01:19:45,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e890085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:45, skipping insertion in model container [2019-10-15 01:19:45,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:45" (3/3) ... [2019-10-15 01:19:45,386 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2019-10-15 01:19:45,396 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:45,405 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:45,417 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:45,443 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:45,443 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:45,444 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:45,444 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:45,444 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:45,444 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:45,444 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:45,445 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-10-15 01:19:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:45,479 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:45,480 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:45,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:45,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:45,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1698741088, now seen corresponding path program 1 times [2019-10-15 01:19:45,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:45,499 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986787372] [2019-10-15 01:19:45,499 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:45,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:45,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986787372] [2019-10-15 01:19:45,885 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:45,886 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:45,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484410187] [2019-10-15 01:19:45,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:45,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:45,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:45,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:45,911 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2019-10-15 01:19:45,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:45,956 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2019-10-15 01:19:45,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:45,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:19:45,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:45,973 INFO L225 Difference]: With dead ends: 260 [2019-10-15 01:19:45,974 INFO L226 Difference]: Without dead ends: 132 [2019-10-15 01:19:45,983 INFO L600 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 [2019-10-15 01:19:46,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-15 01:19:46,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-10-15 01:19:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-15 01:19:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-15 01:19:46,066 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2019-10-15 01:19:46,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:46,066 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-15 01:19:46,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-15 01:19:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:19:46,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:46,072 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:46,072 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:46,073 INFO L82 PathProgramCache]: Analyzing trace with hash 160126664, now seen corresponding path program 1 times [2019-10-15 01:19:46,073 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:46,073 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597894317] [2019-10-15 01:19:46,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:46,200 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597894317] [2019-10-15 01:19:46,200 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:46,200 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:46,200 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863233792] [2019-10-15 01:19:46,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:46,202 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:46,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:46,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:46,204 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2019-10-15 01:19:46,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:46,232 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2019-10-15 01:19:46,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:46,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:19:46,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:46,235 INFO L225 Difference]: With dead ends: 205 [2019-10-15 01:19:46,236 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 01:19:46,237 INFO L600 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 [2019-10-15 01:19:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 01:19:46,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 01:19:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 01:19:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-15 01:19:46,251 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2019-10-15 01:19:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:46,251 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-15 01:19:46,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-15 01:19:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:46,254 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:46,254 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:46,254 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:46,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:46,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1051645430, now seen corresponding path program 1 times [2019-10-15 01:19:46,255 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:46,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608581648] [2019-10-15 01:19:46,255 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,256 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:46,405 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608581648] [2019-10-15 01:19:46,405 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:46,405 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:46,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967505572] [2019-10-15 01:19:46,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:46,406 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:46,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:46,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:46,407 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2019-10-15 01:19:46,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:46,794 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2019-10-15 01:19:46,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:46,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:19:46,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:46,797 INFO L225 Difference]: With dead ends: 218 [2019-10-15 01:19:46,798 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 01:19:46,799 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:46,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 01:19:46,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 01:19:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 01:19:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-10-15 01:19:46,815 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2019-10-15 01:19:46,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:46,815 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-10-15 01:19:46,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-10-15 01:19:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:19:46,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:46,819 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:46,819 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:46,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:46,820 INFO L82 PathProgramCache]: Analyzing trace with hash 23828646, now seen corresponding path program 1 times [2019-10-15 01:19:46,820 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:46,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293214267] [2019-10-15 01:19:46,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:46,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:47,004 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293214267] [2019-10-15 01:19:47,004 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:47,004 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:47,005 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020447797] [2019-10-15 01:19:47,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:47,006 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:47,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:47,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:47,006 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2019-10-15 01:19:47,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:47,560 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2019-10-15 01:19:47,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:47,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-15 01:19:47,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:47,567 INFO L225 Difference]: With dead ends: 319 [2019-10-15 01:19:47,568 INFO L226 Difference]: Without dead ends: 224 [2019-10-15 01:19:47,572 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:47,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-15 01:19:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2019-10-15 01:19:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-10-15 01:19:47,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2019-10-15 01:19:47,616 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2019-10-15 01:19:47,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:47,617 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2019-10-15 01:19:47,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2019-10-15 01:19:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:19:47,623 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:47,623 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:47,623 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:47,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:47,624 INFO L82 PathProgramCache]: Analyzing trace with hash 765865706, now seen corresponding path program 1 times [2019-10-15 01:19:47,624 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:47,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105745618] [2019-10-15 01:19:47,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:47,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:47,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105745618] [2019-10-15 01:19:47,749 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:47,749 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:47,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983811766] [2019-10-15 01:19:47,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:47,751 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:47,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:47,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:47,753 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2019-10-15 01:19:47,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:47,998 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2019-10-15 01:19:48,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:48,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:19:48,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,005 INFO L225 Difference]: With dead ends: 541 [2019-10-15 01:19:48,006 INFO L226 Difference]: Without dead ends: 364 [2019-10-15 01:19:48,007 INFO L600 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 [2019-10-15 01:19:48,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-10-15 01:19:48,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2019-10-15 01:19:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-10-15 01:19:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2019-10-15 01:19:48,041 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2019-10-15 01:19:48,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,041 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2019-10-15 01:19:48,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2019-10-15 01:19:48,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:19:48,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,044 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:48,044 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1305842374, now seen corresponding path program 1 times [2019-10-15 01:19:48,045 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147702713] [2019-10-15 01:19:48,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:48,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147702713] [2019-10-15 01:19:48,156 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:48,156 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178685388] [2019-10-15 01:19:48,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:48,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:48,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:48,159 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2019-10-15 01:19:48,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,780 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2019-10-15 01:19:48,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:48,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-10-15 01:19:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,784 INFO L225 Difference]: With dead ends: 719 [2019-10-15 01:19:48,785 INFO L226 Difference]: Without dead ends: 389 [2019-10-15 01:19:48,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:48,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-15 01:19:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2019-10-15 01:19:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-15 01:19:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2019-10-15 01:19:48,838 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2019-10-15 01:19:48,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,839 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2019-10-15 01:19:48,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2019-10-15 01:19:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:19:48,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,841 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:48,841 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,842 INFO L82 PathProgramCache]: Analyzing trace with hash -638509814, now seen corresponding path program 1 times [2019-10-15 01:19:48,842 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,843 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770999005] [2019-10-15 01:19:48,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,843 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:48,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770999005] [2019-10-15 01:19:48,913 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:48,913 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:48,913 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868153854] [2019-10-15 01:19:48,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:48,914 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:48,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:48,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:48,915 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2019-10-15 01:19:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:48,956 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2019-10-15 01:19:48,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:48,957 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-15 01:19:48,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:48,960 INFO L225 Difference]: With dead ends: 696 [2019-10-15 01:19:48,960 INFO L226 Difference]: Without dead ends: 367 [2019-10-15 01:19:48,962 INFO L600 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 [2019-10-15 01:19:48,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-15 01:19:48,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2019-10-15 01:19:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-15 01:19:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2019-10-15 01:19:48,986 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2019-10-15 01:19:48,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:48,986 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2019-10-15 01:19:48,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2019-10-15 01:19:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:19:48,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:48,988 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:48,988 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:48,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:48,989 INFO L82 PathProgramCache]: Analyzing trace with hash 63090060, now seen corresponding path program 1 times [2019-10-15 01:19:48,989 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:48,989 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852244233] [2019-10-15 01:19:48,990 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,990 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:48,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:49,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852244233] [2019-10-15 01:19:49,092 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:49,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:49,092 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842970500] [2019-10-15 01:19:49,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:49,093 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:49,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:49,094 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2019-10-15 01:19:49,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:49,137 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2019-10-15 01:19:49,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:49,137 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2019-10-15 01:19:49,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:49,140 INFO L225 Difference]: With dead ends: 720 [2019-10-15 01:19:49,140 INFO L226 Difference]: Without dead ends: 381 [2019-10-15 01:19:49,142 INFO L600 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 [2019-10-15 01:19:49,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-10-15 01:19:49,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2019-10-15 01:19:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-15 01:19:49,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2019-10-15 01:19:49,164 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2019-10-15 01:19:49,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:49,165 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2019-10-15 01:19:49,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2019-10-15 01:19:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:19:49,167 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,167 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:49,167 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1788570957, now seen corresponding path program 1 times [2019-10-15 01:19:49,168 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026283338] [2019-10-15 01:19:49,168 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,169 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:49,239 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026283338] [2019-10-15 01:19:49,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:49,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:49,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290889276] [2019-10-15 01:19:49,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:49,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:49,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:49,241 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2019-10-15 01:19:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:49,488 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2019-10-15 01:19:49,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:49,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-10-15 01:19:49,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:49,495 INFO L225 Difference]: With dead ends: 1132 [2019-10-15 01:19:49,495 INFO L226 Difference]: Without dead ends: 785 [2019-10-15 01:19:49,497 INFO L600 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 [2019-10-15 01:19:49,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-10-15 01:19:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2019-10-15 01:19:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2019-10-15 01:19:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2019-10-15 01:19:49,538 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2019-10-15 01:19:49,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:49,539 INFO L462 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2019-10-15 01:19:49,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2019-10-15 01:19:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 01:19:49,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,541 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:49,542 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1370895219, now seen corresponding path program 1 times [2019-10-15 01:19:49,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272404338] [2019-10-15 01:19:49,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:49,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272404338] [2019-10-15 01:19:49,660 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:49,660 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:49,661 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518350273] [2019-10-15 01:19:49,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:49,661 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:49,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:49,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:49,662 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2019-10-15 01:19:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:49,719 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2019-10-15 01:19:49,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:49,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-10-15 01:19:49,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:49,724 INFO L225 Difference]: With dead ends: 776 [2019-10-15 01:19:49,725 INFO L226 Difference]: Without dead ends: 773 [2019-10-15 01:19:49,726 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:49,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-10-15 01:19:49,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2019-10-15 01:19:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2019-10-15 01:19:49,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2019-10-15 01:19:49,766 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2019-10-15 01:19:49,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:49,767 INFO L462 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2019-10-15 01:19:49,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2019-10-15 01:19:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 01:19:49,770 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:49,771 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:49,771 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:49,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:49,771 INFO L82 PathProgramCache]: Analyzing trace with hash -669184687, now seen corresponding path program 1 times [2019-10-15 01:19:49,772 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:49,772 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645079213] [2019-10-15 01:19:49,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,772 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:49,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 01:19:49,937 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645079213] [2019-10-15 01:19:49,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194768641] [2019-10-15 01:19:49,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:50,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:50,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-15 01:19:50,398 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 01:19:50,937 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:50,937 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:50,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217042850] [2019-10-15 01:19:50,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:50,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:50,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:50,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:50,940 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 8 states. [2019-10-15 01:19:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:51,254 INFO L93 Difference]: Finished difference Result 1212 states and 1390 transitions. [2019-10-15 01:19:51,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:51,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2019-10-15 01:19:51,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:51,259 INFO L225 Difference]: With dead ends: 1212 [2019-10-15 01:19:51,259 INFO L226 Difference]: Without dead ends: 593 [2019-10-15 01:19:51,261 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:51,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-15 01:19:51,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 564. [2019-10-15 01:19:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-15 01:19:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 634 transitions. [2019-10-15 01:19:51,300 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 634 transitions. Word has length 152 [2019-10-15 01:19:51,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:51,301 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 634 transitions. [2019-10-15 01:19:51,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 634 transitions. [2019-10-15 01:19:51,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 01:19:51,305 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:51,305 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:19:51,509 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:51,510 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:51,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:51,511 INFO L82 PathProgramCache]: Analyzing trace with hash 906656976, now seen corresponding path program 1 times [2019-10-15 01:19:51,511 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:51,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334760381] [2019-10-15 01:19:51,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:51,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:51,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334760381] [2019-10-15 01:19:51,727 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429288144] [2019-10-15 01:19:51,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:51,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:19:51,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:52,002 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:52,189 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:52,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-15 01:19:52,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238114431] [2019-10-15 01:19:52,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:52,190 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:52,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:52,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:52,191 INFO L87 Difference]: Start difference. First operand 564 states and 634 transitions. Second operand 3 states. [2019-10-15 01:19:52,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:52,271 INFO L93 Difference]: Finished difference Result 909 states and 1031 transitions. [2019-10-15 01:19:52,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:52,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-15 01:19:52,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:52,272 INFO L225 Difference]: With dead ends: 909 [2019-10-15 01:19:52,273 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:52,275 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:52,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:52,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2019-10-15 01:19:52,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:52,276 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:52,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:52,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:52,482 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:52,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:53,455 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2019-10-15 01:19:53,656 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2019-10-15 01:19:53,865 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-10-15 01:19:54,023 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2019-10-15 01:19:54,243 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-10-15 01:19:54,429 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-10-15 01:19:54,652 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2019-10-15 01:19:54,905 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-15 01:19:55,136 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-15 01:19:55,430 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2019-10-15 01:19:55,611 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2019-10-15 01:19:55,828 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-15 01:19:55,984 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2019-10-15 01:19:56,191 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2019-10-15 01:19:56,486 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-10-15 01:19:56,738 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2019-10-15 01:19:56,976 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-15 01:19:57,171 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-10-15 01:19:57,590 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2019-10-15 01:19:57,785 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2019-10-15 01:19:57,934 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2019-10-15 01:19:58,385 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-10-15 01:19:58,500 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 20 [2019-10-15 01:19:58,659 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-10-15 01:19:58,881 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-15 01:19:59,121 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-10-15 01:19:59,124 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-15 01:19:59,124 INFO L443 ceAbstractionStarter]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L662(line 662) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 636 691) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L683(lines 660 684) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L737(line 737) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L737-1(line 737) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 728) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L724-1(lines 724 728) no Hoare annotation was computed. [2019-10-15 01:19:59,125 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-15 01:19:59,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2019-10-15 01:19:59,126 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2019-10-15 01:19:59,126 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2019-10-15 01:19:59,126 INFO L443 ceAbstractionStarter]: For program point L744(lines 717 745) no Hoare annotation was computed. [2019-10-15 01:19:59,126 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2019-10-15 01:19:59,126 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2019-10-15 01:19:59,126 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:19:59,127 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2019-10-15 01:19:59,127 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:19:59,127 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,127 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,128 INFO L439 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,128 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2019-10-15 01:19:59,128 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2019-10-15 01:19:59,128 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-15 01:19:59,128 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2019-10-15 01:19:59,128 INFO L439 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,129 INFO L439 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,129 INFO L439 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,129 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2019-10-15 01:19:59,129 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2019-10-15 01:19:59,129 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2019-10-15 01:19:59,129 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2019-10-15 01:19:59,129 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-15 01:19:59,130 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-15 01:19:59,131 INFO L443 ceAbstractionStarter]: For program point L432(line 432) no Hoare annotation was computed. [2019-10-15 01:19:59,131 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-15 01:19:59,131 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-15 01:19:59,131 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-15 01:19:59,131 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-15 01:19:59,131 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2019-10-15 01:19:59,131 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2019-10-15 01:19:59,131 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point L288(line 288) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 285) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 258 293) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 273) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2019-10-15 01:19:59,132 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 590 635) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 930) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 903 948) no Hoare annotation was computed. [2019-10-15 01:19:59,133 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 937) no Hoare annotation was computed. [2019-10-15 01:19:59,134 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 917 937) no Hoare annotation was computed. [2019-10-15 01:19:59,134 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2019-10-15 01:19:59,134 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2019-10-15 01:19:59,134 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,134 INFO L439 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,134 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2019-10-15 01:19:59,134 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2019-10-15 01:19:59,135 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2019-10-15 01:19:59,135 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2019-10-15 01:19:59,135 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2019-10-15 01:19:59,135 INFO L446 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2019-10-15 01:19:59,135 INFO L443 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2019-10-15 01:19:59,135 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (or (not (<= 1 ~methaneLevelCritical~0)) .cse2)) (or .cse0 (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1))) [2019-10-15 01:19:59,135 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2019-10-15 01:19:59,136 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2019-10-15 01:19:59,136 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2019-10-15 01:19:59,136 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2019-10-15 01:19:59,136 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2019-10-15 01:19:59,136 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2019-10-15 01:19:59,136 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 (or .cse1 .cse2)) (or .cse4 (or .cse5 .cse1)) (or .cse5 .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-15 01:19:59,136 INFO L443 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2019-10-15 01:19:59,136 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2019-10-15 01:19:59,137 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse3 .cse5) .cse6) (or .cse0 (or .cse3 .cse5) .cse1) (or .cse2 .cse6 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-15 01:19:59,137 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse0 .cse2)) (or .cse1 .cse2 .cse4) (or .cse3 (or .cse2 .cse4) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:59,137 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse0 .cse2) (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse4 (or .cse2 .cse3) .cse5))) [2019-10-15 01:19:59,137 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-10-15 01:19:59,138 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse2 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse3 .cse5) (or .cse0 (or .cse3 .cse5) .cse1))) [2019-10-15 01:19:59,138 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-10-15 01:19:59,138 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-10-15 01:19:59,138 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2019-10-15 01:19:59,138 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2019-10-15 01:19:59,138 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,138 INFO L439 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,139 INFO L439 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,139 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2019-10-15 01:19:59,139 INFO L443 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2019-10-15 01:19:59,139 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2019-10-15 01:19:59,139 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-10-15 01:19:59,139 INFO L439 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:59,139 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-15 01:19:59,140 INFO L439 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse2 .cse3 .cse4) .cse5) (and .cse0 .cse1 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse3 .cse4) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,140 INFO L443 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2019-10-15 01:19:59,140 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse2 .cse3 .cse4) .cse5) (and .cse0 .cse1 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse3 .cse4) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,140 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2019-10-15 01:19:59,141 INFO L439 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse2 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse6 (and .cse0 .cse2 .cse3) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:59,141 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-10-15 01:19:59,141 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2019-10-15 01:19:59,141 INFO L443 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2019-10-15 01:19:59,141 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2019-10-15 01:19:59,141 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2019-10-15 01:19:59,141 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 857 902) no Hoare annotation was computed. [2019-10-15 01:19:59,142 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 884) no Hoare annotation was computed. [2019-10-15 01:19:59,142 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 891) no Hoare annotation was computed. [2019-10-15 01:19:59,142 INFO L443 ceAbstractionStarter]: For program point L871-1(lines 871 891) no Hoare annotation was computed. [2019-10-15 01:19:59,142 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-10-15 01:19:59,142 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse5 .cse6 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-15 01:19:59,142 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2019-10-15 01:19:59,142 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-15 01:19:59,143 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2019-10-15 01:19:59,143 INFO L439 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse4 .cse7) (or .cse1 .cse6 .cse3 .cse4 (not .cse2) .cse5) (or .cse0 (or .cse4 .cse7)))) [2019-10-15 01:19:59,143 INFO L443 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2019-10-15 01:19:59,143 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2019-10-15 01:19:59,143 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2019-10-15 01:19:59,143 INFO L443 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2019-10-15 01:19:59,143 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse5 .cse6 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2019-10-15 01:19:59,144 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:59,144 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2019-10-15 01:19:59,144 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2019-10-15 01:19:59,144 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 553) no Hoare annotation was computed. [2019-10-15 01:19:59,144 INFO L443 ceAbstractionStarter]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2019-10-15 01:19:59,144 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2019-10-15 01:19:59,144 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2019-10-15 01:19:59,144 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 94 103) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point L824(lines 802 825) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 799) no Hoare annotation was computed. [2019-10-15 01:19:59,145 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point L804(lines 803 823) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 841) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-15 01:19:59,146 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 782) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 853) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 809) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:19:59,147 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2019-10-15 01:19:59,147 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-15 01:19:59,148 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2019-10-15 01:19:59,148 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2019-10-15 01:19:59,148 INFO L446 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2019-10-15 01:19:59,148 INFO L443 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2019-10-15 01:19:59,148 INFO L443 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2019-10-15 01:19:59,148 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2019-10-15 01:19:59,148 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2019-10-15 01:19:59,148 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4) (or .cse5 (or .cse2 .cse3 .cse6) .cse4) (or .cse7 (or .cse0 .cse3) .cse1) (or .cse7 .cse5 (or .cse3 .cse6) .cse4))) [2019-10-15 01:19:59,149 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,149 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2019-10-15 01:19:59,150 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2019-10-15 01:19:59,150 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2019-10-15 01:19:59,150 INFO L439 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse4) (or .cse6 (or .cse4 .cse8) .cse7) (or .cse0 .cse3 .cse9 .cse4 .cse10 .cse5) (or .cse1 (or .cse3 .cse4 .cse8) .cse5) (or .cse3 (and .cse9 .cse2) .cse4 .cse10 .cse5 .cse8))) [2019-10-15 01:19:59,150 INFO L439 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= 1 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (not .cse12)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and .cse12 .cse2)) (.cse6 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (or .cse5 .cse6) .cse7) (or .cse3 (or .cse5 .cse6 .cse8) (and .cse0 .cse1) .cse7) (or .cse9 .cse3 (or .cse6 .cse8) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse9 .cse4 .cse3 .cse6) (or .cse4 .cse5 .cse10 .cse6 .cse11 .cse7) (or .cse5 .cse10 .cse6 .cse11 .cse7 .cse8)))) [2019-10-15 01:19:59,150 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (or .cse3 .cse4) .cse2) (or .cse1 (or .cse5 .cse3) .cse6) (or (or .cse5 .cse3 .cse4) .cse6))) [2019-10-15 01:19:59,151 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse7)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse4) (or .cse6 .cse0 (or .cse1 .cse2) .cse4) (or .cse1 .cse8 .cse2 .cse9 .cse4 .cse3) (or .cse5 .cse6 .cse10 .cse2) (or .cse5 (or .cse2 .cse3) .cse10) (or .cse6 .cse1 .cse8 .cse2 .cse9 .cse4)))) [2019-10-15 01:19:59,151 INFO L443 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2019-10-15 01:19:59,151 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2019-10-15 01:19:59,151 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2019-10-15 01:19:59,151 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2019-10-15 01:19:59,151 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-15 01:19:59,151 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2019-10-15 01:19:59,151 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-10-15 01:19:59,152 INFO L446 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2019-10-15 01:19:59,152 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-15 01:19:59,152 INFO L446 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2019-10-15 01:19:59,152 INFO L446 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2019-10-15 01:19:59,152 INFO L443 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2019-10-15 01:19:59,152 INFO L446 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2019-10-15 01:19:59,152 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2019-10-15 01:19:59,152 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2019-10-15 01:19:59,152 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2019-10-15 01:19:59,153 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2019-10-15 01:19:59,153 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2019-10-15 01:19:59,153 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,153 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) (= 0 ~methAndRunningLastTime~0)) [2019-10-15 01:19:59,153 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:59,153 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:59,153 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2019-10-15 01:19:59,153 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse2 .cse3) .cse0) (or .cse6 .cse0 (or .cse1 .cse2) .cse4) (or .cse5 .cse6 .cse0 .cse2))) [2019-10-15 01:19:59,154 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2019-10-15 01:19:59,154 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-15 01:19:59,154 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 01:19:59,154 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2019-10-15 01:19:59,154 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2019-10-15 01:19:59,154 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse0 .cse1)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 (or .cse3 .cse0) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse3 .cse0 .cse1) .cse2))) [2019-10-15 01:19:59,155 INFO L439 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (not (= 1 ~waterLevel~0)) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse2 .cse3)))) [2019-10-15 01:19:59,155 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-10-15 01:19:59,155 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-15 01:19:59,155 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-15 01:19:59,155 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2019-10-15 01:19:59,155 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2019-10-15 01:19:59,155 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2019-10-15 01:19:59,156 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-10-15 01:19:59,156 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:19:59,156 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:19:59,156 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:19:59,156 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:19:59,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:59 BoogieIcfgContainer [2019-10-15 01:19:59,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:59,176 INFO L168 Benchmark]: Toolchain (without parser) took 15966.81 ms. Allocated memory was 144.2 MB in the beginning and 458.8 MB in the end (delta: 314.6 MB). Free memory was 100.7 MB in the beginning and 357.3 MB in the end (delta: -256.6 MB). Peak memory consumption was 329.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,177 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.07 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 169.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,178 INFO L168 Benchmark]: Boogie Preprocessor took 114.27 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 165.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,179 INFO L168 Benchmark]: RCFGBuilder took 1323.78 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 197.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,180 INFO L168 Benchmark]: TraceAbstraction took 13795.25 ms. Allocated memory was 233.3 MB in the beginning and 458.8 MB in the end (delta: 225.4 MB). Free memory was 195.6 MB in the beginning and 357.3 MB in the end (delta: -161.7 MB). Peak memory consumption was 335.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:59,184 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.07 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 169.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.27 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 165.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.78 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 197.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13795.25 ms. Allocated memory was 233.3 MB in the beginning and 458.8 MB in the end (delta: 225.4 MB). Free memory was 195.6 MB in the beginning and 357.3 MB in the end (delta: -161.7 MB). Peak memory consumption was 335.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 1 <= methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((1 <= methaneLevelCritical && (1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Result: SAFE, OverallTime: 13.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, HoareTripleCheckerStatistics: 1983 SDtfs, 1047 SDslu, 3701 SDs, 0 SdLazy, 1237 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 727 GetRequests, 644 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1359 PreInvPairs, 1417 NumberOfFragments, 2532 HoareAnnotationTreeSize, 1359 FomulaSimplifications, 4810 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 61 FomulaSimplificationsInter, 8106 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1658 ConstructedInterpolants, 0 QuantifiedInterpolants, 318276 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1852 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 275/291 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...