/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 [2020-07-20 10:41:35,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:35,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:35,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:35,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:35,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:35,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:35,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:35,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:35,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:35,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:35,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:35,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:35,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:35,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:35,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:35,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:35,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:35,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:35,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:35,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:35,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:35,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:35,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:35,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:35,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:35,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:35,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:35,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:35,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:35,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:35,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:35,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:35,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:35,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:35,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:35,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:35,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:35,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:35,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:35,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:35,254 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 [2020-07-20 10:41:35,268 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:35,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:35,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:35,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:35,270 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:35,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:35,271 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:35,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:35,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:35,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:35,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:35,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:35,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:35,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:35,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:35,273 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:35,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:35,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:35,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:35,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:35,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:35,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:35,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:35,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:35,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:35,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:35,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:35,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:35,275 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 [2020-07-20 10:41:35,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:35,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:35,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:35,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:35,615 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:35,616 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-20 10:41:35,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b045be97b/4599b9e092d9425388c351b6513f3c4f/FLAGad4352c03 [2020-07-20 10:41:36,240 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:36,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-20 10:41:36,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b045be97b/4599b9e092d9425388c351b6513f3c4f/FLAGad4352c03 [2020-07-20 10:41:36,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b045be97b/4599b9e092d9425388c351b6513f3c4f [2020-07-20 10:41:36,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:36,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:36,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:36,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:36,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:36,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce2c12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36, skipping insertion in model container [2020-07-20 10:41:36,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:36,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:36,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:37,012 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:37,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:37,128 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:37,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37 WrapperNode [2020-07-20 10:41:37,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:37,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:37,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:37,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:37,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (1/1) ... [2020-07-20 10:41:37,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (1/1) ... [2020-07-20 10:41:37,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (1/1) ... [2020-07-20 10:41:37,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (1/1) ... [2020-07-20 10:41:37,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (1/1) ... [2020-07-20 10:41:37,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (1/1) ... [2020-07-20 10:41:37,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (1/1) ... [2020-07-20 10:41:37,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:37,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:37,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:37,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:37,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (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 [2020-07-20 10:41:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:41:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:37,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:41:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:41:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:37,306 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:37,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:41:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:37,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:37,311 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:37,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:37,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:41:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:37,314 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:41:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:37,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:41:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:41:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:37,316 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:37,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:38,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:38,559 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:38,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:38 BoogieIcfgContainer [2020-07-20 10:41:38,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:38,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:38,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:38,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:38,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:36" (1/3) ... [2020-07-20 10:41:38,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6c3a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:38, skipping insertion in model container [2020-07-20 10:41:38,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:37" (2/3) ... [2020-07-20 10:41:38,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6c3a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:38, skipping insertion in model container [2020-07-20 10:41:38,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:38" (3/3) ... [2020-07-20 10:41:38,583 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-07-20 10:41:38,594 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:38,604 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:38,619 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:38,656 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:38,656 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:38,656 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:38,656 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:38,657 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:38,657 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:38,657 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:38,657 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:38,678 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-07-20 10:41:38,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:38,689 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:38,690 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] [2020-07-20 10:41:38,690 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:38,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:38,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2020-07-20 10:41:38,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:38,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715739254] [2020-07-20 10:41:38,706 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 [2020-07-20 10:41:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:38,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:38,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:39,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715739254] [2020-07-20 10:41:39,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:39,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706874564] [2020-07-20 10:41:39,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:39,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:39,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:39,062 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2020-07-20 10:41:39,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:39,107 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2020-07-20 10:41:39,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:39,109 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:39,122 INFO L225 Difference]: With dead ends: 300 [2020-07-20 10:41:39,123 INFO L226 Difference]: Without dead ends: 152 [2020-07-20 10:41:39,127 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 [2020-07-20 10:41:39,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-20 10:41:39,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-07-20 10:41:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-20 10:41:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2020-07-20 10:41:39,191 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2020-07-20 10:41:39,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:39,193 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2020-07-20 10:41:39,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2020-07-20 10:41:39,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:39,203 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:39,203 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] [2020-07-20 10:41:39,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,418 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:39,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:39,418 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2020-07-20 10:41:39,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:39,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885028577] [2020-07-20 10:41:39,419 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 [2020-07-20 10:41:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:39,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:39,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:39,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885028577] [2020-07-20 10:41:39,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:39,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608100486] [2020-07-20 10:41:39,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:39,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:39,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:39,770 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2020-07-20 10:41:39,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:39,823 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2020-07-20 10:41:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:39,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:39,828 INFO L225 Difference]: With dead ends: 245 [2020-07-20 10:41:39,829 INFO L226 Difference]: Without dead ends: 143 [2020-07-20 10:41:39,832 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 [2020-07-20 10:41:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-20 10:41:39,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-20 10:41:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-20 10:41:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-07-20 10:41:39,861 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2020-07-20 10:41:39,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:39,862 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-07-20 10:41:39,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-07-20 10:41:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 10:41:39,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:39,870 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] [2020-07-20 10:41:40,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,071 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:40,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:40,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2020-07-20 10:41:40,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:40,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199190791] [2020-07-20 10:41:40,073 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 [2020-07-20 10:41:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:40,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:41:40,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:40,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:40,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199190791] [2020-07-20 10:41:40,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:40,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:40,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71173770] [2020-07-20 10:41:40,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:40,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:40,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:40,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:40,330 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2020-07-20 10:41:40,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:40,363 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2020-07-20 10:41:40,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:40,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 10:41:40,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:40,373 INFO L225 Difference]: With dead ends: 258 [2020-07-20 10:41:40,373 INFO L226 Difference]: Without dead ends: 143 [2020-07-20 10:41:40,376 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 [2020-07-20 10:41:40,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-20 10:41:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-20 10:41:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-20 10:41:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-07-20 10:41:40,403 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2020-07-20 10:41:40,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:40,403 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-07-20 10:41:40,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-07-20 10:41:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 10:41:40,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:40,407 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] [2020-07-20 10:41:40,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,621 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:40,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:40,621 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2020-07-20 10:41:40,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:40,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131264175] [2020-07-20 10:41:40,622 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 [2020-07-20 10:41:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:40,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:40,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:40,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:40,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131264175] [2020-07-20 10:41:40,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:40,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:40,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813271066] [2020-07-20 10:41:40,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:40,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:40,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:40,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:40,907 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 3 states. [2020-07-20 10:41:40,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:40,954 INFO L93 Difference]: Finished difference Result 258 states and 310 transitions. [2020-07-20 10:41:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:40,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-20 10:41:40,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:40,980 INFO L225 Difference]: With dead ends: 258 [2020-07-20 10:41:40,980 INFO L226 Difference]: Without dead ends: 255 [2020-07-20 10:41:40,981 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 [2020-07-20 10:41:40,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-20 10:41:41,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2020-07-20 10:41:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-07-20 10:41:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 307 transitions. [2020-07-20 10:41:41,033 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 307 transitions. Word has length 75 [2020-07-20 10:41:41,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:41,033 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 307 transitions. [2020-07-20 10:41:41,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 307 transitions. [2020-07-20 10:41:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 10:41:41,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:41,036 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] [2020-07-20 10:41:41,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:41,238 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:41,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:41,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1916601061, now seen corresponding path program 1 times [2020-07-20 10:41:41,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:41,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561604108] [2020-07-20 10:41:41,239 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 [2020-07-20 10:41:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:41,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:41,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-20 10:41:41,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:41,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561604108] [2020-07-20 10:41:41,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:41,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:41:41,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576766508] [2020-07-20 10:41:41,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:41,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:41,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:41,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:41,538 INFO L87 Difference]: Start difference. First operand 255 states and 307 transitions. Second operand 7 states. [2020-07-20 10:41:42,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:42,392 INFO L93 Difference]: Finished difference Result 616 states and 795 transitions. [2020-07-20 10:41:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:41:42,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-07-20 10:41:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:42,397 INFO L225 Difference]: With dead ends: 616 [2020-07-20 10:41:42,397 INFO L226 Difference]: Without dead ends: 389 [2020-07-20 10:41:42,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:41:42,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-07-20 10:41:42,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2020-07-20 10:41:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-07-20 10:41:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 434 transitions. [2020-07-20 10:41:42,431 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 434 transitions. Word has length 124 [2020-07-20 10:41:42,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:42,432 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 434 transitions. [2020-07-20 10:41:42,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 434 transitions. [2020-07-20 10:41:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 10:41:42,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:42,436 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] [2020-07-20 10:41:42,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:42,651 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:42,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:42,651 INFO L82 PathProgramCache]: Analyzing trace with hash -119933091, now seen corresponding path program 1 times [2020-07-20 10:41:42,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:42,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48344856] [2020-07-20 10:41:42,653 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 [2020-07-20 10:41:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:42,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:41:42,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 10:41:42,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:43,144 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:43,187 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-20 10:41:43,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48344856] [2020-07-20 10:41:43,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:43,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-20 10:41:43,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773443152] [2020-07-20 10:41:43,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:41:43,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:43,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:41:43,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:43,337 INFO L87 Difference]: Start difference. First operand 357 states and 434 transitions. Second operand 5 states. [2020-07-20 10:41:43,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:43,916 INFO L93 Difference]: Finished difference Result 948 states and 1255 transitions. [2020-07-20 10:41:43,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:41:43,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-07-20 10:41:43,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:43,936 INFO L225 Difference]: With dead ends: 948 [2020-07-20 10:41:43,937 INFO L226 Difference]: Without dead ends: 619 [2020-07-20 10:41:43,941 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 [2020-07-20 10:41:43,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-07-20 10:41:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 598. [2020-07-20 10:41:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-07-20 10:41:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2020-07-20 10:41:44,037 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 158 [2020-07-20 10:41:44,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:44,038 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2020-07-20 10:41:44,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:41:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2020-07-20 10:41:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 10:41:44,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:44,045 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] [2020-07-20 10:41:44,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:44,260 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash -666186336, now seen corresponding path program 1 times [2020-07-20 10:41:44,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:44,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042278812] [2020-07-20 10:41:44,262 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 [2020-07-20 10:41:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:44,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:44,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 10:41:44,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:44,756 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:44,780 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-20 10:41:44,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042278812] [2020-07-20 10:41:44,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:44,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2020-07-20 10:41:44,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290424060] [2020-07-20 10:41:44,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:44,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:44,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:44,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:41:44,871 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand 7 states. [2020-07-20 10:41:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:45,363 INFO L93 Difference]: Finished difference Result 1535 states and 2198 transitions. [2020-07-20 10:41:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:41:45,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-07-20 10:41:45,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:45,371 INFO L225 Difference]: With dead ends: 1535 [2020-07-20 10:41:45,371 INFO L226 Difference]: Without dead ends: 965 [2020-07-20 10:41:45,374 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 [2020-07-20 10:41:45,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2020-07-20 10:41:45,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 950. [2020-07-20 10:41:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-07-20 10:41:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1272 transitions. [2020-07-20 10:41:45,455 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1272 transitions. Word has length 158 [2020-07-20 10:41:45,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:45,456 INFO L479 AbstractCegarLoop]: Abstraction has 950 states and 1272 transitions. [2020-07-20 10:41:45,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1272 transitions. [2020-07-20 10:41:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-20 10:41:45,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:45,463 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] [2020-07-20 10:41:45,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:45,678 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:45,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:45,679 INFO L82 PathProgramCache]: Analyzing trace with hash -382773415, now seen corresponding path program 1 times [2020-07-20 10:41:45,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:45,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492634511] [2020-07-20 10:41:45,681 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 [2020-07-20 10:41:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:45,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 10:41:45,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:45,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:45,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492634511] [2020-07-20 10:41:45,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:45,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:45,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943612004] [2020-07-20 10:41:45,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:45,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:45,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:45,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:45,921 INFO L87 Difference]: Start difference. First operand 950 states and 1272 transitions. Second operand 3 states. [2020-07-20 10:41:46,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:46,080 INFO L93 Difference]: Finished difference Result 1682 states and 2316 transitions. [2020-07-20 10:41:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:46,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-07-20 10:41:46,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:46,086 INFO L225 Difference]: With dead ends: 1682 [2020-07-20 10:41:46,086 INFO L226 Difference]: Without dead ends: 760 [2020-07-20 10:41:46,090 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 [2020-07-20 10:41:46,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-07-20 10:41:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 670. [2020-07-20 10:41:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-07-20 10:41:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 818 transitions. [2020-07-20 10:41:46,138 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 818 transitions. Word has length 154 [2020-07-20 10:41:46,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:46,139 INFO L479 AbstractCegarLoop]: Abstraction has 670 states and 818 transitions. [2020-07-20 10:41:46,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 818 transitions. [2020-07-20 10:41:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-20 10:41:46,143 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:46,143 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] [2020-07-20 10:41:46,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:46,357 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:46,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:46,358 INFO L82 PathProgramCache]: Analyzing trace with hash -650910668, now seen corresponding path program 1 times [2020-07-20 10:41:46,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:46,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317077447] [2020-07-20 10:41:46,359 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 [2020-07-20 10:41:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:46,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:41:46,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:41:46,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:46,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317077447] [2020-07-20 10:41:46,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:46,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:46,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983008352] [2020-07-20 10:41:46,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:46,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:46,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:46,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:46,633 INFO L87 Difference]: Start difference. First operand 670 states and 818 transitions. Second operand 8 states. [2020-07-20 10:41:48,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:48,259 INFO L93 Difference]: Finished difference Result 2092 states and 2643 transitions. [2020-07-20 10:41:48,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 10:41:48,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2020-07-20 10:41:48,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:48,270 INFO L225 Difference]: With dead ends: 2092 [2020-07-20 10:41:48,271 INFO L226 Difference]: Without dead ends: 1450 [2020-07-20 10:41:48,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-20 10:41:48,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2020-07-20 10:41:48,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1074. [2020-07-20 10:41:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-07-20 10:41:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1283 transitions. [2020-07-20 10:41:48,364 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1283 transitions. Word has length 171 [2020-07-20 10:41:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:48,365 INFO L479 AbstractCegarLoop]: Abstraction has 1074 states and 1283 transitions. [2020-07-20 10:41:48,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1283 transitions. [2020-07-20 10:41:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 10:41:48,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:48,370 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] [2020-07-20 10:41:48,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:48,583 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:48,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:48,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1386376622, now seen corresponding path program 1 times [2020-07-20 10:41:48,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:48,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128492939] [2020-07-20 10:41:48,585 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 [2020-07-20 10:41:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:48,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:48,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-20 10:41:48,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-20 10:41:49,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128492939] [2020-07-20 10:41:49,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:49,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:49,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514206952] [2020-07-20 10:41:49,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:49,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:49,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:49,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:49,123 INFO L87 Difference]: Start difference. First operand 1074 states and 1283 transitions. Second operand 6 states. [2020-07-20 10:41:49,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:49,439 INFO L93 Difference]: Finished difference Result 3021 states and 3717 transitions. [2020-07-20 10:41:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:49,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-07-20 10:41:49,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:49,457 INFO L225 Difference]: With dead ends: 3021 [2020-07-20 10:41:49,458 INFO L226 Difference]: Without dead ends: 1975 [2020-07-20 10:41:49,462 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 [2020-07-20 10:41:49,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2020-07-20 10:41:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1718. [2020-07-20 10:41:49,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2020-07-20 10:41:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2030 transitions. [2020-07-20 10:41:49,645 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2030 transitions. Word has length 167 [2020-07-20 10:41:49,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:49,647 INFO L479 AbstractCegarLoop]: Abstraction has 1718 states and 2030 transitions. [2020-07-20 10:41:49,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2030 transitions. [2020-07-20 10:41:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-20 10:41:49,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:49,656 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] [2020-07-20 10:41:49,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:49,871 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:49,872 INFO L82 PathProgramCache]: Analyzing trace with hash -817430126, now seen corresponding path program 1 times [2020-07-20 10:41:49,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:49,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179280396] [2020-07-20 10:41:49,873 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 [2020-07-20 10:41:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:50,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:50,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 10:41:50,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:50,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179280396] [2020-07-20 10:41:50,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:50,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:50,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446605295] [2020-07-20 10:41:50,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:50,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:50,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:50,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:50,227 INFO L87 Difference]: Start difference. First operand 1718 states and 2030 transitions. Second operand 8 states. [2020-07-20 10:41:50,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:50,993 INFO L93 Difference]: Finished difference Result 3083 states and 3684 transitions. [2020-07-20 10:41:50,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:50,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2020-07-20 10:41:50,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:50,999 INFO L225 Difference]: With dead ends: 3083 [2020-07-20 10:41:50,999 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:51,016 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 [2020-07-20 10:41:51,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:51,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:51,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-07-20 10:41:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:51,018 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:51,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:51,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:51,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:51,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:54,314 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 32 [2020-07-20 10:41:54,752 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 34 [2020-07-20 10:41:56,029 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 151 DAG size of output: 60 [2020-07-20 10:41:56,162 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 1 [2020-07-20 10:41:56,499 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 32 [2020-07-20 10:41:56,820 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-07-20 10:41:57,171 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2020-07-20 10:41:57,503 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2020-07-20 10:41:58,079 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 32 [2020-07-20 10:41:58,189 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 1 [2020-07-20 10:41:58,549 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2020-07-20 10:41:58,840 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-07-20 10:41:59,921 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 181 DAG size of output: 57 [2020-07-20 10:42:00,203 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-07-20 10:42:00,744 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2020-07-20 10:42:01,040 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-07-20 10:42:01,829 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 47 [2020-07-20 10:42:02,013 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2020-07-20 10:42:02,261 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-07-20 10:42:02,733 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2020-07-20 10:42:03,121 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2020-07-20 10:42:03,412 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-07-20 10:42:04,413 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 56 [2020-07-20 10:42:05,002 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 35 [2020-07-20 10:42:05,270 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2020-07-20 10:42:05,484 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-20 10:42:05,751 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2020-07-20 10:42:06,143 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-20 10:42:06,442 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-07-20 10:42:06,714 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2020-07-20 10:42:06,929 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-20 10:42:07,305 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 40 [2020-07-20 10:42:07,525 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 22 [2020-07-20 10:42:07,733 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2020-07-20 10:42:07,972 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 32 [2020-07-20 10:42:08,270 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 27 [2020-07-20 10:42:08,275 INFO L268 CegarLoopResult]: For program point L287(lines 264 288) no Hoare annotation was computed. [2020-07-20 10:42:08,275 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 240 295) no Hoare annotation was computed. [2020-07-20 10:42:08,275 INFO L268 CegarLoopResult]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-07-20 10:42:08,275 INFO L268 CegarLoopResult]: For program point L271-1(lines 271 275) no Hoare annotation was computed. [2020-07-20 10:42:08,275 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-20 10:42:08,276 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2020-07-20 10:42:08,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2020-07-20 10:42:08,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2020-07-20 10:42:08,276 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2020-07-20 10:42:08,276 INFO L268 CegarLoopResult]: For program point L348(lines 321 349) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2020-07-20 10:42:08,277 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-07-20 10:42:08,278 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2020-07-20 10:42:08,278 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-20 10:42:08,278 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2020-07-20 10:42:08,278 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2020-07-20 10:42:08,278 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2020-07-20 10:42:08,278 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)|))) [2020-07-20 10:42:08,279 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)|))) [2020-07-20 10:42:08,279 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)|))) [2020-07-20 10:42:08,279 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)|))) [2020-07-20 10:42:08,279 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-20 10:42:08,279 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-20 10:42:08,280 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)|))) [2020-07-20 10:42:08,280 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)|))) [2020-07-20 10:42:08,280 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-20 10:42:08,280 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-20 10:42:08,280 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 10:42:08,280 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 10:42:08,281 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2020-07-20 10:42:08,282 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2020-07-20 10:42:08,282 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point L840(lines 840 844) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point L795(lines 795 803) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 776 811) no Hoare annotation was computed. [2020-07-20 10:42:08,283 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 194 239) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 507 552) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-07-20 10:42:08,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2020-07-20 10:42:08,285 INFO L268 CegarLoopResult]: For program point L521(lines 521 541) no Hoare annotation was computed. [2020-07-20 10:42:08,285 INFO L268 CegarLoopResult]: For program point L521-1(lines 521 541) no Hoare annotation was computed. [2020-07-20 10:42:08,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2020-07-20 10:42:08,285 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)|))) [2020-07-20 10:42:08,285 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)|))) [2020-07-20 10:42:08,285 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-20 10:42:08,285 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-20 10:42:08,285 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2020-07-20 10:42:08,286 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2020-07-20 10:42:08,286 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-07-20 10:42:08,286 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-20 10:42:08,286 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2020-07-20 10:42:08,286 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))) [2020-07-20 10:42:08,286 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2020-07-20 10:42:08,286 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2020-07-20 10:42:08,286 INFO L268 CegarLoopResult]: For program point L943(lines 943 949) no Hoare annotation was computed. [2020-07-20 10:42:08,286 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2020-07-20 10:42:08,287 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2020-07-20 10:42:08,287 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2020-07-20 10:42:08,287 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))) [2020-07-20 10:42:08,287 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-07-20 10:42:08,287 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))) [2020-07-20 10:42:08,287 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2020-07-20 10:42:08,288 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))) [2020-07-20 10:42:08,288 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))) [2020-07-20 10:42:08,288 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-20 10:42:08,288 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))) [2020-07-20 10:42:08,288 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-20 10:42:08,289 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-20 10:42:08,289 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2020-07-20 10:42:08,289 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2020-07-20 10:42:08,289 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)|))) [2020-07-20 10:42:08,289 INFO L268 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-07-20 10:42:08,289 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(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:42:08,289 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-07-20 10:42:08,290 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-07-20 10:42:08,290 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(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse4) (and .cse6 .cse0 .cse7 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:42:08,290 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-07-20 10:42:08,290 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~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)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:42:08,290 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-07-20 10:42:08,290 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-07-20 10:42:08,291 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .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)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:42:08,291 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .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)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:42:08,291 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-20 10:42:08,291 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-07-20 10:42:08,291 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-07-20 10:42:08,291 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)|))) [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point L481(lines 481 488) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point L475(lines 475 495) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 495) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 461 506) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2020-07-20 10:42:08,292 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2020-07-20 10:42:08,293 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2020-07-20 10:42:08,293 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))) [2020-07-20 10:42:08,293 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))) [2020-07-20 10:42:08,293 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-20 10:42:08,293 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-07-20 10:42:08,293 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))) [2020-07-20 10:42:08,294 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-20 10:42:08,294 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-20 10:42:08,294 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-07-20 10:42:08,294 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))) [2020-07-20 10:42:08,294 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-07-20 10:42:08,294 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-20 10:42:08,294 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))) [2020-07-20 10:42:08,294 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 907 929) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point L915(lines 915 923) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2020-07-20 10:42:08,295 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L446(lines 446 457) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L428(lines 406 429) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L387(lines 387 403) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L447(lines 447 454) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L408(lines 407 427) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 10:42:08,296 INFO L268 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point L404(lines 404 445) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 964 973) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2020-07-20 10:42:08,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:08,297 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)) [2020-07-20 10:42:08,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:08,298 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2020-07-20 10:42:08,298 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2020-07-20 10:42:08,298 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))) [2020-07-20 10:42:08,298 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2020-07-20 10:42:08,298 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2020-07-20 10:42:08,298 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-20 10:42:08,298 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2020-07-20 10:42:08,298 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-20 10:42:08,299 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2020-07-20 10:42:08,299 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 10:42:08,299 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2020-07-20 10:42:08,299 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 930 938) no Hoare annotation was computed. [2020-07-20 10:42:08,299 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2020-07-20 10:42:08,299 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))) [2020-07-20 10:42:08,299 INFO L268 CegarLoopResult]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2020-07-20 10:42:08,300 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2020-07-20 10:42:08,300 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:08,300 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:42:08,300 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:08,300 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse10 (<= 1 ~systemActive~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse7 (not (< |old(~waterLevel~0)| 2))) (.cse8 (< ~waterLevel~0 2)) (.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 .cse2 .cse3 .cse4) (or .cse0 .cse9 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse9 .cse2 .cse4) (or .cse7 .cse0 .cse8 .cse9 .cse2 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse9 .cse2 .cse5 .cse4)))) [2020-07-20 10:42:08,300 INFO L268 CegarLoopResult]: For program point L635(lines 634 653) no Hoare annotation was computed. [2020-07-20 10:42:08,300 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse13 (= 0 ~methAndRunningLastTime~0)) (.cse14 (<= 1 ~systemActive~0)) (.cse16 (< ~waterLevel~0 3)) (.cse15 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 1)) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse14 (<= 1 ~pumpRunning~0) .cse16 .cse15)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse13 (= 0 ~pumpRunning~0) .cse15 .cse16)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (< |old(~waterLevel~0)| 2))) (.cse12 (< ~waterLevel~0 2)) (.cse1 (not .cse14)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse7 .cse4 .cse8 .cse9) (or .cse1 .cse10 .cse2 .cse3 .cse4 .cse9) (or .cse1 .cse6 .cse7 .cse8 .cse9) (or .cse11 .cse1 .cse12 .cse7 .cse4 .cse9) (or .cse1 .cse10 .cse6 .cse2 .cse3 .cse9) (or .cse11 .cse1 .cse12 .cse6 .cse7 .cse9) (or .cse1 .cse13 .cse6 .cse7 .cse2 .cse9)))) [2020-07-20 10:42:08,300 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2020-07-20 10:42:08,300 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2020-07-20 10:42:08,301 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)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (<= 1 ~waterLevel~0)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~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 .cse9 .cse4 .cse11 .cse12 .cse8) (or .cse1 .cse13 .cse6 .cse9 .cse2 .cse8)))) [2020-07-20 10:42:08,301 INFO L264 CegarLoopResult]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse19 (< ~waterLevel~0 3)) (.cse20 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse21 (= 0 ~pumpRunning~0)) (.cse22 (<= 1 ~systemActive~0)) (.cse17 (= 0 ~methAndRunningLastTime~0)) (.cse13 (<= ~waterLevel~0 1)) (.cse14 (<= 1 ~pumpRunning~0)) (.cse18 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse17 .cse13 .cse14 .cse18)) (.cse6 (and .cse20 .cse21 .cse13 .cse22 .cse18)) (.cse12 (and .cse21 .cse13)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (<= 1 ~waterLevel~0)) (.cse0 (not .cse22)) (.cse2 (and (< 1 ~waterLevel~0) .cse20 .cse21 .cse22 .cse18 .cse19)) (.cse3 (and .cse17 .cse14 .cse18 .cse19)) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse16 (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 .cse0 .cse1 .cse11 .cse12 .cse7) (or .cse0 .cse11 .cse10 (and .cse13 .cse14) .cse12 .cse7) (or .cse0 .cse1 .cse11 .cse15 .cse16 .cse7) (or .cse0 .cse11 .cse10 .cse15 .cse16 .cse7) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse10 .cse16 .cse7)))) [2020-07-20 10:42:08,301 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 10:42:08,301 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 10:42:08,301 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 10:42:08,301 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 10:42:08,301 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 10:42:08,301 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 10:42:08,301 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 10:42:08,302 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 10:42:08,302 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 10:42:08,302 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 10:42:08,302 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2020-07-20 10:42:08,302 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-20 10:42:08,302 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-20 10:42:08,302 INFO L268 CegarLoopResult]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2020-07-20 10:42:08,302 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (< ~waterLevel~0 3)) (.cse5 (not (< |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 ~systemActive~0))) (.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 .cse7 (and .cse8 .cse4) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse8) (or .cse5 .cse0 .cse6 .cse1 .cse2 .cse3))) [2020-07-20 10:42:08,303 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2020-07-20 10:42:08,303 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 10:42:08,303 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 10:42:08,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:08,303 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)) [2020-07-20 10:42:08,303 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:08,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:08,303 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-20 10:42:08,303 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse7 (<= 1 ~systemActive~0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse9 (< ~waterLevel~0 3))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and .cse7 .cse10 .cse9)) (.cse3 (not .cse10)) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not .cse9)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7 .cse4) (or .cse0 .cse8 .cse1 .cse3 .cse4) (or .cse5 .cse8 .cse1 .cse6 .cse7 .cse4)))) [2020-07-20 10:42:08,303 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-20 10:42:08,303 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))) [2020-07-20 10:42:08,304 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))) [2020-07-20 10:42:08,304 INFO L268 CegarLoopResult]: For program point L671(lines 671 679) no Hoare annotation was computed. [2020-07-20 10:42:08,304 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))) [2020-07-20 10:42:08,304 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-20 10:42:08,304 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2020-07-20 10:42:08,304 INFO L268 CegarLoopResult]: For program point L667(lines 667 684) no Hoare annotation was computed. [2020-07-20 10:42:08,304 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))) [2020-07-20 10:42:08,304 INFO L268 CegarLoopResult]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2020-07-20 10:42:08,304 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))) [2020-07-20 10:42:08,304 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2020-07-20 10:42:08,304 INFO L268 CegarLoopResult]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2020-07-20 10:42:08,305 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)))) [2020-07-20 10:42:08,305 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2020-07-20 10:42:08,305 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2020-07-20 10:42:08,305 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2020-07-20 10:42:08,305 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2020-07-20 10:42:08,305 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))) [2020-07-20 10:42:08,305 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2020-07-20 10:42:08,306 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))) [2020-07-20 10:42:08,306 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))) [2020-07-20 10:42:08,306 INFO L268 CegarLoopResult]: For program point L697(lines 697 705) no Hoare annotation was computed. [2020-07-20 10:42:08,306 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))) [2020-07-20 10:42:08,306 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-20 10:42:08,306 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-20 10:42:08,306 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))) [2020-07-20 10:42:08,306 INFO L268 CegarLoopResult]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2020-07-20 10:42:08,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:08 BoogieIcfgContainer [2020-07-20 10:42:08,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:42:08,334 INFO L168 Benchmark]: Toolchain (without parser) took 31835.76 ms. Allocated memory was 136.8 MB in the beginning and 592.4 MB in the end (delta: 455.6 MB). Free memory was 100.1 MB in the beginning and 306.3 MB in the end (delta: -206.3 MB). Peak memory consumption was 482.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:08,334 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 10:42:08,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.70 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 99.9 MB in the beginning and 168.1 MB in the end (delta: -68.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:08,336 INFO L168 Benchmark]: Boogie Preprocessor took 90.16 ms. Allocated memory is still 198.7 MB. Free memory was 168.1 MB in the beginning and 163.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:08,336 INFO L168 Benchmark]: RCFGBuilder took 1351.87 ms. Allocated memory was 198.7 MB in the beginning and 229.6 MB in the end (delta: 30.9 MB). Free memory was 163.4 MB in the beginning and 190.1 MB in the end (delta: -26.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:08,337 INFO L168 Benchmark]: TraceAbstraction took 29758.34 ms. Allocated memory was 229.6 MB in the beginning and 592.4 MB in the end (delta: 362.8 MB). Free memory was 188.6 MB in the beginning and 306.3 MB in the end (delta: -117.7 MB). Peak memory consumption was 478.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:08,340 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 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.70 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 99.9 MB in the beginning and 168.1 MB in the end (delta: -68.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.16 ms. Allocated memory is still 198.7 MB. Free memory was 168.1 MB in the beginning and 163.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1351.87 ms. Allocated memory was 198.7 MB in the beginning and 229.6 MB in the end (delta: 30.9 MB). Free memory was 163.4 MB in the beginning and 190.1 MB in the end (delta: -26.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29758.34 ms. Allocated memory was 229.6 MB in the beginning and 592.4 MB in the end (delta: 362.8 MB). Free memory was 188.6 MB in the beginning and 306.3 MB in the end (delta: -117.7 MB). Peak memory consumption was 478.0 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) && 1 <= pumpRunning) && waterLevel < 3)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) && waterLevel < 3)) || !(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)) || !(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: 12.5s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2223 SDtfs, 2021 SDslu, 2869 SDs, 0 SdLazy, 2319 SolverSat, 724 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1833 GetRequests, 1764 SyntacticMatches, 16 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s 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, 791 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3160 PreInvPairs, 3349 NumberOfFragments, 3949 HoareAnnotationTreeSize, 3160 FomulaSimplifications, 15973 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 69 FomulaSimplificationsInter, 54278 FormulaSimplificationTreeSizeReductionInter, 14.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1338 NumberOfCodeBlocks, 1338 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1807 ConstructedInterpolants, 0 QuantifiedInterpolants, 515677 SizeOfPredicates, 33 NumberOfNonLiveVariables, 9339 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 523/529 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...