/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:36:25,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:36:25,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:36:25,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:36:25,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:36:25,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:36:25,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:36:25,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:36:25,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:36:25,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:36:25,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:36:25,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:36:25,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:36:25,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:36:25,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:36:25,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:36:25,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:36:25,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:36:25,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:36:25,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:36:25,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:36:25,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:36:25,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:36:25,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:36:25,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:36:25,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:36:25,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:36:25,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:36:25,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:36:25,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:36:25,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:36:25,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:36:25,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:36:25,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:36:25,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:36:25,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:36:25,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:36:25,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:36:25,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:36:25,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:36:25,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:36:25,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:36:25,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:36:25,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:36:25,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:36:25,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:36:25,191 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:36:25,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:36:25,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:36:25,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:36:25,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:36:25,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:36:25,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:36:25,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:36:25,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:36:25,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:36:25,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:36:25,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:36:25,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:36:25,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:36:25,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:36:25,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:36:25,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:36:25,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:36:25,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:36:25,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:36:25,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:36:25,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:36:25,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:25,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:36:25,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:36:25,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:36:25,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:36:25,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:36:25,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:36:25,483 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:36:25,483 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:36:25,484 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-21 10:36:25,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4870528d3/9b4468d8b5ea4ba5ac777298ca55d0c3/FLAG5b37b3cdf [2020-07-21 10:36:26,098 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:36:26,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-21 10:36:26,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4870528d3/9b4468d8b5ea4ba5ac777298ca55d0c3/FLAG5b37b3cdf [2020-07-21 10:36:26,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4870528d3/9b4468d8b5ea4ba5ac777298ca55d0c3 [2020-07-21 10:36:26,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:36:26,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:36:26,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:26,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:36:26,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:36:26,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:26" (1/1) ... [2020-07-21 10:36:26,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b567383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:26, skipping insertion in model container [2020-07-21 10:36:26,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:26" (1/1) ... [2020-07-21 10:36:26,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:36:26,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:36:26,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:26,913 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:36:27,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:27,069 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:36:27,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27 WrapperNode [2020-07-21 10:36:27,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:27,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:36:27,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:36:27,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:36:27,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... [2020-07-21 10:36:27,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... [2020-07-21 10:36:27,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... [2020-07-21 10:36:27,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... [2020-07-21 10:36:27,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... [2020-07-21 10:36:27,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... [2020-07-21 10:36:27,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... [2020-07-21 10:36:27,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:36:27,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:36:27,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:36:27,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:36:27,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:36:27,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:36:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:36:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:36:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:36:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:36:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:36:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:36:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:36:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:36:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:36:27,247 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:36:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:36:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:36:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:36:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:36:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:36:27,248 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:36:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:36:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:36:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:36:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:36:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:36:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:36:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:36:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:36:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:36:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:36:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:36:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:36:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:36:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:36:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:36:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:36:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:36:27,251 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:36:27,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:36:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:36:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:36:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:36:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:36:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:36:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:36:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:36:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:36:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:36:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:36:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:36:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:36:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:36:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:36:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:36:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:36:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:36:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:36:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:36:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:36:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:36:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:36:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:36:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:36:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:36:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:36:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:36:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:36:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:36:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:36:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:36:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:36:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:36:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:36:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:36:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:36:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:36:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:36:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:36:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:36:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:36:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:36:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:36:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:36:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:36:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:36:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:36:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:36:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:36:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:36:28,463 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:36:28,463 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:36:28,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:28 BoogieIcfgContainer [2020-07-21 10:36:28,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:36:28,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:36:28,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:36:28,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:36:28,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:36:26" (1/3) ... [2020-07-21 10:36:28,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d57175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:28, skipping insertion in model container [2020-07-21 10:36:28,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:27" (2/3) ... [2020-07-21 10:36:28,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d57175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:28, skipping insertion in model container [2020-07-21 10:36:28,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:28" (3/3) ... [2020-07-21 10:36:28,478 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-07-21 10:36:28,488 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:36:28,497 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:36:28,516 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:36:28,554 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:36:28,554 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:36:28,555 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:36:28,555 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:36:28,555 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:36:28,556 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:36:28,556 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:36:28,557 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:36:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-07-21 10:36:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:36:28,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:28,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:28,605 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:28,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:28,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2020-07-21 10:36:28,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:28,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493706181] [2020-07-21 10:36:28,620 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:28,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:36:28,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:28,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:28,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493706181] [2020-07-21 10:36:28,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:28,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:36:28,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079730777] [2020-07-21 10:36:28,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:36:28,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:28,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:36:28,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:28,958 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2020-07-21 10:36:29,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:29,013 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2020-07-21 10:36:29,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:36:29,015 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 10:36:29,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:29,031 INFO L225 Difference]: With dead ends: 300 [2020-07-21 10:36:29,031 INFO L226 Difference]: Without dead ends: 152 [2020-07-21 10:36:29,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-21 10:36:29,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-07-21 10:36:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-21 10:36:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2020-07-21 10:36:29,106 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2020-07-21 10:36:29,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:29,106 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2020-07-21 10:36:29,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:36:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2020-07-21 10:36:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:36:29,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:29,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:29,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:29,325 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:29,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:29,326 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2020-07-21 10:36:29,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:29,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126054800] [2020-07-21 10:36:29,327 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:29,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:36:29,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:29,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:29,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126054800] [2020-07-21 10:36:29,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:29,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:29,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936114681] [2020-07-21 10:36:29,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:29,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:29,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:29,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:29,639 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2020-07-21 10:36:29,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:29,690 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2020-07-21 10:36:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:29,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:36:29,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:29,696 INFO L225 Difference]: With dead ends: 245 [2020-07-21 10:36:29,697 INFO L226 Difference]: Without dead ends: 143 [2020-07-21 10:36:29,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:29,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-21 10:36:29,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-21 10:36:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-21 10:36:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-07-21 10:36:29,730 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2020-07-21 10:36:29,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:29,731 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-07-21 10:36:29,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-07-21 10:36:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:36:29,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:29,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:29,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:29,938 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:29,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:29,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2020-07-21 10:36:29,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:29,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2005512353] [2020-07-21 10:36:29,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:30,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:36:30,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:30,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:30,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2005512353] [2020-07-21 10:36:30,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:30,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:30,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364400036] [2020-07-21 10:36:30,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:30,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:30,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:30,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:30,163 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2020-07-21 10:36:30,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:30,181 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2020-07-21 10:36:30,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:30,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 10:36:30,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:30,184 INFO L225 Difference]: With dead ends: 258 [2020-07-21 10:36:30,184 INFO L226 Difference]: Without dead ends: 143 [2020-07-21 10:36:30,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:30,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-21 10:36:30,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-21 10:36:30,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-21 10:36:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-07-21 10:36:30,208 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2020-07-21 10:36:30,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:30,208 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-07-21 10:36:30,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-07-21 10:36:30,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-21 10:36:30,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:30,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:30,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:30,426 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:30,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:30,427 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2020-07-21 10:36:30,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:30,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605862618] [2020-07-21 10:36:30,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:30,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:30,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:30,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:30,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605862618] [2020-07-21 10:36:30,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:30,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:30,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206550047] [2020-07-21 10:36:30,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:30,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:30,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:30,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:30,670 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 3 states. [2020-07-21 10:36:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:30,707 INFO L93 Difference]: Finished difference Result 258 states and 310 transitions. [2020-07-21 10:36:30,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:30,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-21 10:36:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:30,712 INFO L225 Difference]: With dead ends: 258 [2020-07-21 10:36:30,713 INFO L226 Difference]: Without dead ends: 255 [2020-07-21 10:36:30,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:30,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-21 10:36:30,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2020-07-21 10:36:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-07-21 10:36:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 307 transitions. [2020-07-21 10:36:30,740 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 307 transitions. Word has length 75 [2020-07-21 10:36:30,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:30,741 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 307 transitions. [2020-07-21 10:36:30,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 307 transitions. [2020-07-21 10:36:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-21 10:36:30,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:30,745 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:30,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:30,947 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:30,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:30,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1916601061, now seen corresponding path program 1 times [2020-07-21 10:36:30,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:30,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200267089] [2020-07-21 10:36:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:31,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:31,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-21 10:36:31,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:31,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200267089] [2020-07-21 10:36:31,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:31,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 10:36:31,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529020998] [2020-07-21 10:36:31,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:36:31,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:31,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:36:31,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:31,220 INFO L87 Difference]: Start difference. First operand 255 states and 307 transitions. Second operand 7 states. [2020-07-21 10:36:32,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:32,011 INFO L93 Difference]: Finished difference Result 616 states and 795 transitions. [2020-07-21 10:36:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:36:32,012 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-07-21 10:36:32,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:32,018 INFO L225 Difference]: With dead ends: 616 [2020-07-21 10:36:32,019 INFO L226 Difference]: Without dead ends: 389 [2020-07-21 10:36:32,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:36:32,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-07-21 10:36:32,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2020-07-21 10:36:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-07-21 10:36:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 434 transitions. [2020-07-21 10:36:32,059 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 434 transitions. Word has length 124 [2020-07-21 10:36:32,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:32,060 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 434 transitions. [2020-07-21 10:36:32,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:36:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 434 transitions. [2020-07-21 10:36:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 10:36:32,063 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:32,063 INFO L422 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, 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] [2020-07-21 10:36:32,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:32,277 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:32,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:32,278 INFO L82 PathProgramCache]: Analyzing trace with hash -119933091, now seen corresponding path program 1 times [2020-07-21 10:36:32,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:32,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523474305] [2020-07-21 10:36:32,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:32,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:36:32,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 10:36:32,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:32,789 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:32,820 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-21 10:36:32,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523474305] [2020-07-21 10:36:32,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:32,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 10:36:32,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919039288] [2020-07-21 10:36:32,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:36:32,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:32,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:36:32,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:32,939 INFO L87 Difference]: Start difference. First operand 357 states and 434 transitions. Second operand 5 states. [2020-07-21 10:36:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:33,399 INFO L93 Difference]: Finished difference Result 948 states and 1255 transitions. [2020-07-21 10:36:33,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:33,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-07-21 10:36:33,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:33,406 INFO L225 Difference]: With dead ends: 948 [2020-07-21 10:36:33,406 INFO L226 Difference]: Without dead ends: 619 [2020-07-21 10:36:33,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 303 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:33,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-07-21 10:36:33,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 598. [2020-07-21 10:36:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-07-21 10:36:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2020-07-21 10:36:33,497 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 158 [2020-07-21 10:36:33,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:33,498 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2020-07-21 10:36:33,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:36:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2020-07-21 10:36:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-21 10:36:33,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:33,502 INFO L422 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, 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] [2020-07-21 10:36:33,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:33,717 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:33,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:33,718 INFO L82 PathProgramCache]: Analyzing trace with hash -666186336, now seen corresponding path program 1 times [2020-07-21 10:36:33,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:33,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536721606] [2020-07-21 10:36:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:33,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:33,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 10:36:33,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:34,212 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:34,241 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 10:36:34,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536721606] [2020-07-21 10:36:34,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:34,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2020-07-21 10:36:34,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50201857] [2020-07-21 10:36:34,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:36:34,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:36:34,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:36:34,352 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand 7 states. [2020-07-21 10:36:34,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:34,902 INFO L93 Difference]: Finished difference Result 1535 states and 2198 transitions. [2020-07-21 10:36:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:36:34,902 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-07-21 10:36:34,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:34,913 INFO L225 Difference]: With dead ends: 1535 [2020-07-21 10:36:34,913 INFO L226 Difference]: Without dead ends: 965 [2020-07-21 10:36:34,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 301 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-21 10:36:34,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2020-07-21 10:36:34,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 950. [2020-07-21 10:36:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-07-21 10:36:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1272 transitions. [2020-07-21 10:36:35,000 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1272 transitions. Word has length 158 [2020-07-21 10:36:35,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:35,003 INFO L479 AbstractCegarLoop]: Abstraction has 950 states and 1272 transitions. [2020-07-21 10:36:35,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:36:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1272 transitions. [2020-07-21 10:36:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-21 10:36:35,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:35,011 INFO L422 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, 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] [2020-07-21 10:36:35,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:35,222 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:35,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:35,223 INFO L82 PathProgramCache]: Analyzing trace with hash 19236045, now seen corresponding path program 1 times [2020-07-21 10:36:35,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:35,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781336478] [2020-07-21 10:36:35,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:35,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 10:36:35,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:35,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:35,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781336478] [2020-07-21 10:36:35,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:35,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:35,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113405] [2020-07-21 10:36:35,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:35,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:35,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:35,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:35,492 INFO L87 Difference]: Start difference. First operand 950 states and 1272 transitions. Second operand 8 states. [2020-07-21 10:36:37,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:37,210 INFO L93 Difference]: Finished difference Result 2740 states and 3787 transitions. [2020-07-21 10:36:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 10:36:37,210 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-07-21 10:36:37,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:37,224 INFO L225 Difference]: With dead ends: 2740 [2020-07-21 10:36:37,224 INFO L226 Difference]: Without dead ends: 1818 [2020-07-21 10:36:37,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-21 10:36:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-07-21 10:36:37,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1485. [2020-07-21 10:36:37,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2020-07-21 10:36:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1927 transitions. [2020-07-21 10:36:37,369 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1927 transitions. Word has length 162 [2020-07-21 10:36:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:37,369 INFO L479 AbstractCegarLoop]: Abstraction has 1485 states and 1927 transitions. [2020-07-21 10:36:37,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1927 transitions. [2020-07-21 10:36:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 10:36:37,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:37,375 INFO L422 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, 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] [2020-07-21 10:36:37,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:37,614 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:37,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:37,615 INFO L82 PathProgramCache]: Analyzing trace with hash -382773415, now seen corresponding path program 1 times [2020-07-21 10:36:37,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:37,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321881871] [2020-07-21 10:36:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:37,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 10:36:37,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:37,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:37,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321881871] [2020-07-21 10:36:37,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:37,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:37,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354482856] [2020-07-21 10:36:37,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:37,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:37,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:37,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:37,853 INFO L87 Difference]: Start difference. First operand 1485 states and 1927 transitions. Second operand 3 states. [2020-07-21 10:36:38,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:38,008 INFO L93 Difference]: Finished difference Result 2702 states and 3579 transitions. [2020-07-21 10:36:38,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:38,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-07-21 10:36:38,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:38,018 INFO L225 Difference]: With dead ends: 2702 [2020-07-21 10:36:38,018 INFO L226 Difference]: Without dead ends: 1245 [2020-07-21 10:36:38,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:38,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2020-07-21 10:36:38,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1074. [2020-07-21 10:36:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-07-21 10:36:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1283 transitions. [2020-07-21 10:36:38,087 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1283 transitions. Word has length 154 [2020-07-21 10:36:38,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:38,088 INFO L479 AbstractCegarLoop]: Abstraction has 1074 states and 1283 transitions. [2020-07-21 10:36:38,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1283 transitions. [2020-07-21 10:36:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 10:36:38,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:38,092 INFO L422 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:38,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:38,308 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:38,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:38,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1386376622, now seen corresponding path program 1 times [2020-07-21 10:36:38,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:38,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424182988] [2020-07-21 10:36:38,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:38,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 10:36:38,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-21 10:36:38,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-21 10:36:38,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424182988] [2020-07-21 10:36:38,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:38,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-21 10:36:38,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208555730] [2020-07-21 10:36:38,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:38,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:38,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:38,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:38,913 INFO L87 Difference]: Start difference. First operand 1074 states and 1283 transitions. Second operand 6 states. [2020-07-21 10:36:39,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:39,188 INFO L93 Difference]: Finished difference Result 3021 states and 3717 transitions. [2020-07-21 10:36:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:39,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-07-21 10:36:39,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:39,203 INFO L225 Difference]: With dead ends: 3021 [2020-07-21 10:36:39,204 INFO L226 Difference]: Without dead ends: 1975 [2020-07-21 10:36:39,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:36:39,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2020-07-21 10:36:39,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1718. [2020-07-21 10:36:39,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-07-21 10:36:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2030 transitions. [2020-07-21 10:36:39,337 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2030 transitions. Word has length 167 [2020-07-21 10:36:39,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:39,338 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 2030 transitions. [2020-07-21 10:36:39,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2030 transitions. [2020-07-21 10:36:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-21 10:36:39,343 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:39,343 INFO L422 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:39,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:39,558 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:39,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:39,559 INFO L82 PathProgramCache]: Analyzing trace with hash -817430126, now seen corresponding path program 1 times [2020-07-21 10:36:39,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:39,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848534080] [2020-07-21 10:36:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:39,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:36:39,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 10:36:39,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:39,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848534080] [2020-07-21 10:36:39,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:39,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:39,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875030314] [2020-07-21 10:36:39,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:39,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:39,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:39,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:39,889 INFO L87 Difference]: Start difference. First operand 1718 states and 2030 transitions. Second operand 8 states. [2020-07-21 10:36:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:40,166 INFO L93 Difference]: Finished difference Result 3083 states and 3684 transitions. [2020-07-21 10:36:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:40,167 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2020-07-21 10:36:40,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:40,169 INFO L225 Difference]: With dead ends: 3083 [2020-07-21 10:36:40,169 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:36:40,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:40,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:36:40,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:36:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:36:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:36:40,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-07-21 10:36:40,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:40,181 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:36:40,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:36:40,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:36:40,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:40,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:36:43,056 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2020-07-21 10:36:43,560 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 34 [2020-07-21 10:36:45,070 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 145 DAG size of output: 61 [2020-07-21 10:36:45,553 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2020-07-21 10:36:45,907 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-07-21 10:36:46,285 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2020-07-21 10:36:46,639 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2020-07-21 10:36:47,328 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 33 [2020-07-21 10:36:47,617 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-21 10:36:47,906 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-21 10:36:48,960 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 163 DAG size of output: 52 [2020-07-21 10:36:49,253 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-07-21 10:36:49,778 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 33 [2020-07-21 10:36:50,071 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-07-21 10:36:50,919 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 48 [2020-07-21 10:36:51,111 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2020-07-21 10:36:51,469 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2020-07-21 10:36:51,932 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2020-07-21 10:36:52,325 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2020-07-21 10:36:52,626 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-07-21 10:36:53,656 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 56 [2020-07-21 10:36:54,051 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 35 [2020-07-21 10:36:54,245 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2020-07-21 10:36:54,454 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-21 10:36:54,733 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2020-07-21 10:36:55,126 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-21 10:36:55,441 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-07-21 10:36:55,722 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2020-07-21 10:36:55,906 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-21 10:36:56,152 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2020-07-21 10:36:56,373 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 22 [2020-07-21 10:36:56,587 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-21 10:36:56,815 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 32 [2020-07-21 10:36:57,112 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-07-21 10:36:57,117 INFO L268 CegarLoopResult]: For program point L287(lines 264 288) no Hoare annotation was computed. [2020-07-21 10:36:57,117 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 240 295) no Hoare annotation was computed. [2020-07-21 10:36:57,117 INFO L268 CegarLoopResult]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-07-21 10:36:57,117 INFO L268 CegarLoopResult]: For program point L271-1(lines 271 275) no Hoare annotation was computed. [2020-07-21 10:36:57,118 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-21 10:36:57,118 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2020-07-21 10:36:57,118 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2020-07-21 10:36:57,118 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2020-07-21 10:36:57,118 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2020-07-21 10:36:57,118 INFO L268 CegarLoopResult]: For program point L348(lines 321 349) no Hoare annotation was computed. [2020-07-21 10:36:57,118 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-07-21 10:36:57,119 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2020-07-21 10:36:57,120 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-21 10:36:57,120 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2020-07-21 10:36:57,120 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2020-07-21 10:36:57,120 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2020-07-21 10:36:57,120 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,120 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,121 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,121 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,121 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-21 10:36:57,121 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-21 10:36:57,121 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,122 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,122 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-21 10:36:57,122 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-21 10:36:57,122 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 10:36:57,122 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:36:57,122 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 10:36:57,122 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 10:36:57,123 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2020-07-21 10:36:57,124 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2020-07-21 10:36:57,124 INFO L268 CegarLoopResult]: For program point L840(lines 840 844) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L795(lines 795 803) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 776 811) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-21 10:36:57,125 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 194 239) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 507 552) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point L521(lines 521 541) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point L521-1(lines 521 541) no Hoare annotation was computed. [2020-07-21 10:36:57,126 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2020-07-21 10:36:57,127 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,127 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,127 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-21 10:36:57,127 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-21 10:36:57,127 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2020-07-21 10:36:57,127 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2020-07-21 10:36:57,127 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-07-21 10:36:57,127 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-21 10:36:57,127 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2020-07-21 10:36:57,128 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-07-21 10:36:57,128 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2020-07-21 10:36:57,128 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2020-07-21 10:36:57,128 INFO L268 CegarLoopResult]: For program point L943(lines 943 949) no Hoare annotation was computed. [2020-07-21 10:36:57,128 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2020-07-21 10:36:57,128 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2020-07-21 10:36:57,129 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2020-07-21 10:36:57,129 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse4 .cse7) (or .cse0 .cse1 .cse8 .cse2 .cse3 .cse5) (or .cse1 .cse8 .cse6 .cse7))) [2020-07-21 10:36:57,129 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-07-21 10:36:57,129 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse6) (or .cse1 .cse2 .cse5 .cse7))) [2020-07-21 10:36:57,129 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2020-07-21 10:36:57,129 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse3 .cse4 .cse7) (or .cse1 .cse2 .cse5 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse8))) [2020-07-21 10:36:57,129 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse9 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse9 .cse6 .cse7 .cse8))) [2020-07-21 10:36:57,130 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-21 10:36:57,130 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse3 .cse4 .cse7) (or .cse1 .cse2 .cse5 .cse6 .cse8))) [2020-07-21 10:36:57,130 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-21 10:36:57,130 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-21 10:36:57,130 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2020-07-21 10:36:57,130 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2020-07-21 10:36:57,130 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,130 INFO L268 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-07-21 10:36:57,130 INFO L264 CegarLoopResult]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:57,130 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-07-21 10:36:57,131 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-07-21 10:36:57,131 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (let ((.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:57,131 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-07-21 10:36:57,131 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0)) (.cse5 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and .cse1 .cse6 .cse7 .cse2 .cse3 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:57,131 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-07-21 10:36:57,131 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-07-21 10:36:57,131 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (< ~waterLevel~0 3)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:57,131 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (< ~waterLevel~0 3)) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:57,131 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point L481(lines 481 488) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point L475(lines 475 495) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 495) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 461 506) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2020-07-21 10:36:57,132 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2020-07-21 10:36:57,132 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2020-07-21 10:36:57,133 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:57,133 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse5 (not (<= ~waterLevel~0 1)) .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse6))) [2020-07-21 10:36:57,133 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-21 10:36:57,133 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-07-21 10:36:57,133 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse0 .cse1 .cse3 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse4))) [2020-07-21 10:36:57,133 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-21 10:36:57,133 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-21 10:36:57,133 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-07-21 10:36:57,133 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:57,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 907 929) no Hoare annotation was computed. [2020-07-21 10:36:57,134 INFO L268 CegarLoopResult]: For program point L915(lines 915 923) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L446(lines 446 457) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L428(lines 406 429) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L387(lines 387 403) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L447(lines 447 454) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L408(lines 407 427) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point L404(lines 404 445) no Hoare annotation was computed. [2020-07-21 10:36:57,135 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 964 973) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< 2 |old(~waterLevel~0)|) (< ~waterLevel~0 3)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2020-07-21 10:36:57,136 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4))) [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 930 938) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2020-07-21 10:36:57,137 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (< ~waterLevel~0 3))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse3) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse6))) [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:57,138 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse10 (<= 1 ~systemActive~0))) (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (< ~waterLevel~0 2)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not .cse10)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse8 .cse9 .cse2) (or .cse0 .cse9 .cse5 .cse6 .cse4) (or .cse7 .cse0 .cse8 .cse2 .cse3) (or .cse0 .cse1 .cse9 .cse2 .cse4) (or .cse0 .cse9 (= 0 ~methAndRunningLastTime~0) .cse2 .cse5 .cse4)))) [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point L635(lines 634 653) no Hoare annotation was computed. [2020-07-21 10:36:57,138 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse12 (<= 1 ~systemActive~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse13 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (< ~waterLevel~0 3))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (and .cse11 (= 0 ~pumpRunning~0) .cse13 .cse14)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not .cse12)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 (<= 1 ~pumpRunning~0) .cse13 .cse14)) (.cse9 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse5 .cse6 .cse4) (or .cse1 .cse8 .cse5 .cse6 .cse3 .cse9) (or .cse1 .cse2 .cse3 .cse10 .cse9) (or .cse1 .cse8 .cse7 .cse5 .cse6 .cse9) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse1 .cse11 .cse7 .cse2 .cse5 .cse9) (or .cse1 .cse7 .cse2 .cse10 .cse9)))) [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2020-07-21 10:36:57,138 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2020-07-21 10:36:57,139 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 1)) (.cse13 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (and .cse13 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (<= 1 ~waterLevel~0)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse7 .cse2 .cse3 .cse4 .cse8) (or .cse1 .cse7 .cse6 .cse2 .cse3 .cse8) (or .cse1 .cse9 .cse4 .cse10 .cse8) (or .cse1 .cse6 .cse9 .cse10 .cse8) (or .cse1 .cse6 .cse9 .cse11 .cse12 .cse8) (or .cse1 .cse6 .cse13 .cse9 .cse2 .cse8) (or .cse1 .cse9 .cse4 .cse11 .cse12 .cse8)))) [2020-07-21 10:36:57,139 INFO L264 CegarLoopResult]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse20 (< ~waterLevel~0 3)) (.cse21 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= 0 ~pumpRunning~0)) (.cse22 (<= 1 ~systemActive~0)) (.cse18 (= 0 ~methAndRunningLastTime~0)) (.cse13 (<= ~waterLevel~0 1)) (.cse14 (<= 1 ~pumpRunning~0)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse18 .cse13 .cse14 .cse19)) (.cse6 (and .cse21 .cse16 .cse13 .cse22 .cse19)) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (and .cse16 .cse13)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (<= 1 ~waterLevel~0)) (.cse0 (not .cse22)) (.cse2 (and (< 1 ~waterLevel~0) .cse21 .cse16 .cse22 .cse19 .cse20)) (.cse3 (and .cse18 .cse14 .cse19 .cse20)) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse17 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse1 .cse4 .cse5 .cse9 .cse6) (or .cse8 .cse0 .cse4 .cse5 .cse9 .cse10 .cse6) (or .cse8 .cse0 .cse1 .cse11 .cse12) (or .cse0 .cse11 .cse10 (and .cse13 .cse14) .cse12 .cse7) (or .cse0 .cse1 .cse11 (and .cse15 .cse16 .cse13) .cse17 .cse7) (or .cse0 .cse11 .cse10 .cse15 .cse17 .cse7) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse10 .cse17 .cse7)))) [2020-07-21 10:36:57,139 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 10:36:57,139 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 10:36:57,139 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 10:36:57,139 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 10:36:57,139 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 10:36:57,139 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 10:36:57,139 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 10:36:57,139 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 10:36:57,139 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 10:36:57,140 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 10:36:57,140 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2020-07-21 10:36:57,140 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-21 10:36:57,140 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-21 10:36:57,140 INFO L268 CegarLoopResult]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2020-07-21 10:36:57,140 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: (let ((.cse8 (<= 1 ~systemActive~0))) (let ((.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (< ~waterLevel~0 3)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (< |old(~waterLevel~0)| 2))) (.cse0 (not .cse8)) (.cse6 (< ~waterLevel~0 2)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse2 .cse3) (or .cse0 (and .cse8 .cse9) .cse1 .cse2 .cse3) (or .cse0 .cse7 (and .cse8 .cse9 .cse4) .cse2 .cse3) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse3)))) [2020-07-21 10:36:57,140 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2020-07-21 10:36:57,140 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 10:36:57,141 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 10:36:57,141 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:57,141 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:36:57,141 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:36:57,141 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:57,141 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-21 10:36:57,141 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse8 (<= 1 ~systemActive~0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse9 (< ~waterLevel~0 3))) (let ((.cse0 (and .cse8 .cse10 .cse9)) (.cse3 (not .cse10)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not .cse9)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse4 .cse8) (or .cse6 .cse5 .cse1 .cse7 .cse8 .cse4)))) [2020-07-21 10:36:57,141 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-21 10:36:57,141 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:57,141 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5))) [2020-07-21 10:36:57,141 INFO L268 CegarLoopResult]: For program point L671(lines 671 679) no Hoare annotation was computed. [2020-07-21 10:36:57,142 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:57,142 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-21 10:36:57,142 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2020-07-21 10:36:57,142 INFO L268 CegarLoopResult]: For program point L667(lines 667 684) no Hoare annotation was computed. [2020-07-21 10:36:57,142 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:57,142 INFO L268 CegarLoopResult]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2020-07-21 10:36:57,142 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:57,142 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2020-07-21 10:36:57,142 INFO L268 CegarLoopResult]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2020-07-21 10:36:57,142 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse8 (and .cse9 .cse11)) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (= 0 ~pumpRunning~0))) (.cse3 (and .cse11 (< ~waterLevel~0 3))) (.cse4 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse8 .cse2) (or .cse7 .cse5 .cse0 .cse6 .cse9 .cse2) (or .cse7 .cse5 .cse0 .cse1 .cse8 .cse10) (or .cse7 .cse5 .cse0 .cse6 .cse9 .cse10) (or .cse5 .cse0 .cse1 .cse10 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse10 .cse3 .cse4)))) [2020-07-21 10:36:57,142 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2020-07-21 10:36:57,143 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2020-07-21 10:36:57,143 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2020-07-21 10:36:57,143 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2020-07-21 10:36:57,143 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:57,143 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2020-07-21 10:36:57,143 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:57,143 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5))) [2020-07-21 10:36:57,143 INFO L268 CegarLoopResult]: For program point L697(lines 697 705) no Hoare annotation was computed. [2020-07-21 10:36:57,143 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-21 10:36:57,144 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-21 10:36:57,144 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-21 10:36:57,144 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-21 10:36:57,144 INFO L268 CegarLoopResult]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2020-07-21 10:36:57,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:36:57 BoogieIcfgContainer [2020-07-21 10:36:57,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:36:57,164 INFO L168 Benchmark]: Toolchain (without parser) took 30795.02 ms. Allocated memory was 145.2 MB in the beginning and 580.9 MB in the end (delta: 435.7 MB). Free memory was 101.8 MB in the beginning and 412.4 MB in the end (delta: -310.7 MB). Peak memory consumption was 433.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:57,165 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:36:57,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.68 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 170.4 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:57,166 INFO L168 Benchmark]: Boogie Preprocessor took 96.84 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:57,167 INFO L168 Benchmark]: RCFGBuilder took 1301.70 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 166.2 MB in the beginning and 192.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:57,168 INFO L168 Benchmark]: TraceAbstraction took 28692.35 ms. Allocated memory was 236.5 MB in the beginning and 580.9 MB in the end (delta: 344.5 MB). Free memory was 191.1 MB in the beginning and 412.4 MB in the end (delta: -221.3 MB). Peak memory consumption was 431.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:57,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.68 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 170.4 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.84 ms. Allocated memory is still 203.4 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1301.70 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 166.2 MB in the beginning and 192.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28692.35 ms. Allocated memory was 236.5 MB in the beginning and 580.9 MB in the end (delta: 344.5 MB). Free memory was 191.1 MB in the beginning and 412.4 MB in the end (delta: -221.3 MB). Peak memory consumption was 431.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || ((((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) && waterLevel < 3) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) && waterLevel < 3)) || (((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) && waterLevel < 3)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive) && waterLevel < 3) && 1 <= pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2226 SDtfs, 1796 SDslu, 2324 SDs, 0 SdLazy, 2506 SolverSat, 596 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1824 GetRequests, 1755 SyntacticMatches, 16 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1718occurred 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: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 829 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3504 PreInvPairs, 3693 NumberOfFragments, 3947 HoareAnnotationTreeSize, 3504 FomulaSimplifications, 16192 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 46570 FormulaSimplificationTreeSizeReductionInter, 14.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1329 NumberOfCodeBlocks, 1329 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1798 ConstructedInterpolants, 0 QuantifiedInterpolants, 511096 SizeOfPredicates, 33 NumberOfNonLiveVariables, 9318 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 541/547 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...