/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 18:28:59,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 18:28:59,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 18:29:00,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 18:29:00,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 18:29:00,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 18:29:00,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 18:29:00,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 18:29:00,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 18:29:00,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 18:29:00,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 18:29:00,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 18:29:00,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 18:29:00,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 18:29:00,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 18:29:00,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 18:29:00,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 18:29:00,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 18:29:00,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 18:29:00,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 18:29:00,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 18:29:00,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 18:29:00,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 18:29:00,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 18:29:00,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 18:29:00,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 18:29:00,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 18:29:00,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 18:29:00,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 18:29:00,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 18:29:00,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 18:29:00,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 18:29:00,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 18:29:00,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 18:29:00,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 18:29:00,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 18:29:00,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 18:29:00,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 18:29:00,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 18:29:00,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 18:29:00,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 18:29:00,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 18:29:00,061 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 18:29:00,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 18:29:00,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 18:29:00,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 18:29:00,062 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 18:29:00,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 18:29:00,063 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 18:29:00,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 18:29:00,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 18:29:00,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 18:29:00,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 18:29:00,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 18:29:00,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 18:29:00,064 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 18:29:00,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 18:29:00,064 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 18:29:00,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 18:29:00,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 18:29:00,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 18:29:00,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 18:29:00,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 18:29:00,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 18:29:00,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 18:29:00,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 18:29:00,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 18:29:00,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 18:29:00,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 18:29:00,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 18:29:00,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 18:29:00,067 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER; [2020-08-18 18:29:00,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 18:29:00,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 18:29:00,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 18:29:00,452 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 18:29:00,452 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 18:29:00,454 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-08-18 18:29:00,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/976af0b46/e22e27f201b0446db40efa0c7a5412eb/FLAG8a69fea7e [2020-08-18 18:29:01,059 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 18:29:01,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product18.cil.c [2020-08-18 18:29:01,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/976af0b46/e22e27f201b0446db40efa0c7a5412eb/FLAG8a69fea7e [2020-08-18 18:29:01,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/976af0b46/e22e27f201b0446db40efa0c7a5412eb [2020-08-18 18:29:01,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 18:29:01,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 18:29:01,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 18:29:01,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 18:29:01,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 18:29:01,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:29:01" (1/1) ... [2020-08-18 18:29:01,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5ae353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:01, skipping insertion in model container [2020-08-18 18:29:01,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:29:01" (1/1) ... [2020-08-18 18:29:01,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 18:29:01,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 18:29:01,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:29:01,942 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 18:29:02,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:29:02,106 INFO L208 MainTranslator]: Completed translation [2020-08-18 18:29:02,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02 WrapperNode [2020-08-18 18:29:02,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 18:29:02,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 18:29:02,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 18:29:02,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 18:29:02,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... [2020-08-18 18:29:02,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... [2020-08-18 18:29:02,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... [2020-08-18 18:29:02,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... [2020-08-18 18:29:02,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... [2020-08-18 18:29:02,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... [2020-08-18 18:29:02,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... [2020-08-18 18:29:02,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 18:29:02,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 18:29:02,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 18:29:02,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 18:29:02,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 18:29:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 18:29:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 18:29:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 18:29:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 18:29:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 18:29:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 18:29:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 18:29:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 18:29:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 18:29:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 18:29:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 18:29:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 18:29:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 18:29:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 18:29:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 18:29:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 18:29:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 18:29:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 18:29:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 18:29:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 18:29:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 18:29:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 18:29:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 18:29:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 18:29:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 18:29:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 18:29:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 18:29:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 18:29:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 18:29:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 18:29:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 18:29:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 18:29:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 18:29:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 18:29:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 18:29:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 18:29:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 18:29:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 18:29:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 18:29:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 18:29:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 18:29:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 18:29:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 18:29:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 18:29:02,325 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 18:29:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 18:29:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 18:29:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 18:29:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 18:29:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 18:29:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 18:29:02,326 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 18:29:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 18:29:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 18:29:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 18:29:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 18:29:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 18:29:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 18:29:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 18:29:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 18:29:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 18:29:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 18:29:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 18:29:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 18:29:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 18:29:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 18:29:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 18:29:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 18:29:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 18:29:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 18:29:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 18:29:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 18:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 18:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 18:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 18:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 18:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 18:29:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 18:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 18:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 18:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 18:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 18:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 18:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 18:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 18:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 18:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 18:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 18:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 18:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 18:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 18:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 18:29:03,340 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 18:29:03,340 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 18:29:03,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:29:03 BoogieIcfgContainer [2020-08-18 18:29:03,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 18:29:03,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 18:29:03,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 18:29:03,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 18:29:03,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 06:29:01" (1/3) ... [2020-08-18 18:29:03,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2341c6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:29:03, skipping insertion in model container [2020-08-18 18:29:03,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:29:02" (2/3) ... [2020-08-18 18:29:03,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2341c6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:29:03, skipping insertion in model container [2020-08-18 18:29:03,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:29:03" (3/3) ... [2020-08-18 18:29:03,359 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2020-08-18 18:29:03,370 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 18:29:03,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 18:29:03,393 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 18:29:03,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 18:29:03,418 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 18:29:03,418 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 18:29:03,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 18:29:03,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 18:29:03,419 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 18:29:03,419 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 18:29:03,419 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 18:29:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-08-18 18:29:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 18:29:03,450 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:29:03,451 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] [2020-08-18 18:29:03,452 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:29:03,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:29:03,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1030614044, now seen corresponding path program 1 times [2020-08-18 18:29:03,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:29:03,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809593488] [2020-08-18 18:29:03,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:29:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,180 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:29:04,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:29:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:29:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:29:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:29:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:29:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:29:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 18:29:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 18:29:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:29:04,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809593488] [2020-08-18 18:29:04,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:29:04,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 18:29:04,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890272928] [2020-08-18 18:29:04,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 18:29:04,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:29:04,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 18:29:04,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 18:29:04,301 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-08-18 18:29:05,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:29:05,338 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2020-08-18 18:29:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 18:29:05,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 18:29:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:29:05,359 INFO L225 Difference]: With dead ends: 256 [2020-08-18 18:29:05,360 INFO L226 Difference]: Without dead ends: 144 [2020-08-18 18:29:05,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 18:29:05,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-08-18 18:29:05,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2020-08-18 18:29:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-18 18:29:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-08-18 18:29:05,462 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 51 [2020-08-18 18:29:05,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:29:05,463 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-08-18 18:29:05,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 18:29:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-08-18 18:29:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 18:29:05,466 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:29:05,466 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] [2020-08-18 18:29:05,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 18:29:05,467 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:29:05,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:29:05,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1356114072, now seen corresponding path program 1 times [2020-08-18 18:29:05,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:29:05,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706159003] [2020-08-18 18:29:05,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:29:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,783 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:29:05,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:29:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:29:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:29:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:29:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:29:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:29:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 18:29:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 18:29:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:29:05,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706159003] [2020-08-18 18:29:05,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:29:05,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 18:29:05,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152949225] [2020-08-18 18:29:05,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 18:29:05,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:29:05,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 18:29:05,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 18:29:05,838 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 5 states. [2020-08-18 18:29:06,375 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 18:29:07,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:29:07,198 INFO L93 Difference]: Finished difference Result 197 states and 243 transitions. [2020-08-18 18:29:07,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 18:29:07,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 18:29:07,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:29:07,203 INFO L225 Difference]: With dead ends: 197 [2020-08-18 18:29:07,203 INFO L226 Difference]: Without dead ends: 134 [2020-08-18 18:29:07,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 18:29:07,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-18 18:29:07,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-18 18:29:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-18 18:29:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2020-08-18 18:29:07,241 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 52 [2020-08-18 18:29:07,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:29:07,241 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2020-08-18 18:29:07,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 18:29:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2020-08-18 18:29:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 18:29:07,244 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:29:07,244 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] [2020-08-18 18:29:07,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 18:29:07,244 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:29:07,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:29:07,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1966114986, now seen corresponding path program 1 times [2020-08-18 18:29:07,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:29:07,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834282944] [2020-08-18 18:29:07,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:29:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,599 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:29:07,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:29:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:29:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:29:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:29:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:29:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:29:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 18:29:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 18:29:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:29:07,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834282944] [2020-08-18 18:29:07,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:29:07,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:29:07,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949626257] [2020-08-18 18:29:07,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:29:07,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:29:07,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:29:07,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:29:07,695 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 9 states. [2020-08-18 18:29:08,103 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 18:29:08,412 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:08,665 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:08,915 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:29:09,945 INFO L93 Difference]: Finished difference Result 210 states and 262 transitions. [2020-08-18 18:29:09,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 18:29:09,945 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 18:29:09,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:29:09,948 INFO L225 Difference]: With dead ends: 210 [2020-08-18 18:29:09,948 INFO L226 Difference]: Without dead ends: 134 [2020-08-18 18:29:09,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 18:29:09,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-18 18:29:09,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-18 18:29:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-18 18:29:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2020-08-18 18:29:09,979 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 57 [2020-08-18 18:29:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:29:09,980 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2020-08-18 18:29:09,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:29:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2020-08-18 18:29:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-18 18:29:09,982 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:29:09,982 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] [2020-08-18 18:29:09,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 18:29:09,982 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:29:09,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:29:09,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1641395945, now seen corresponding path program 1 times [2020-08-18 18:29:09,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:29:09,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1775129139] [2020-08-18 18:29:09,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:29:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,308 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:29:10,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:29:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:29:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:29:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:29:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:29:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:29:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 18:29:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:29:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 18:29:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-18 18:29:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:29:10,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1775129139] [2020-08-18 18:29:10,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:29:10,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:29:10,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826427761] [2020-08-18 18:29:10,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:29:10,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:29:10,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:29:10,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:29:10,436 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 9 states. [2020-08-18 18:29:10,889 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 18:29:11,935 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:12,241 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:12,491 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:12,766 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 18:29:13,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:29:13,658 INFO L93 Difference]: Finished difference Result 324 states and 430 transitions. [2020-08-18 18:29:13,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 18:29:13,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-18 18:29:13,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:29:13,663 INFO L225 Difference]: With dead ends: 324 [2020-08-18 18:29:13,663 INFO L226 Difference]: Without dead ends: 248 [2020-08-18 18:29:13,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 18:29:13,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-08-18 18:29:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 170. [2020-08-18 18:29:13,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-08-18 18:29:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 196 transitions. [2020-08-18 18:29:13,723 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 196 transitions. Word has length 65 [2020-08-18 18:29:13,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:29:13,724 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 196 transitions. [2020-08-18 18:29:13,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:29:13,724 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 196 transitions. [2020-08-18 18:29:13,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-18 18:29:13,726 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:29:13,727 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] [2020-08-18 18:29:13,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 18:29:13,727 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:29:13,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:29:13,727 INFO L82 PathProgramCache]: Analyzing trace with hash 781494331, now seen corresponding path program 1 times [2020-08-18 18:29:13,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:29:13,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510956205] [2020-08-18 18:29:13,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:29:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,013 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:29:14,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:29:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:29:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:29:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:29:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:29:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 18:29:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 18:29:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 18:29:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 18:29:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 18:29:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-18 18:29:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:29:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:29:14,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510956205] [2020-08-18 18:29:14,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:29:14,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 18:29:14,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400099037] [2020-08-18 18:29:14,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 18:29:14,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:29:14,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 18:29:14,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 18:29:14,167 INFO L87 Difference]: Start difference. First operand 170 states and 196 transitions. Second operand 10 states. [2020-08-18 18:29:14,622 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 18:29:15,478 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:15,746 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:16,009 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 18:29:16,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:29:16,243 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2020-08-18 18:29:16,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 18:29:16,246 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-08-18 18:29:16,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:29:16,247 INFO L225 Difference]: With dead ends: 309 [2020-08-18 18:29:16,247 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 18:29:16,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-18 18:29:16,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 18:29:16,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 18:29:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 18:29:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 18:29:16,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-08-18 18:29:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:29:16,251 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 18:29:16,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 18:29:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 18:29:16,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 18:29:16,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 18:29:16,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 18:29:16,654 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 13 [2020-08-18 18:29:18,610 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 18:29:18,911 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 18:29:19,229 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 18:29:19,418 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 18:29:19,592 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 18:29:19,753 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 18:29:20,121 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-08-18 18:29:20,338 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:29:20,673 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 18:29:21,023 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 18:29:21,353 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-18 18:29:21,546 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 18:29:21,728 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 18:29:22,039 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 18:29:22,266 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 18:29:22,474 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 18:29:22,639 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 18:29:22,823 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 18:29:22,985 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 18:29:23,140 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 18:29:23,445 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 18:29:23,649 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-18 18:29:23,939 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 18:29:23,954 INFO L268 CegarLoopResult]: For program point L606(lines 583 607) no Hoare annotation was computed. [2020-08-18 18:29:23,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 559 614) no Hoare annotation was computed. [2020-08-18 18:29:23,954 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-08-18 18:29:23,954 INFO L268 CegarLoopResult]: For program point L590-1(lines 590 594) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 559 614) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point L584-2(lines 584 605) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 559 614) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 666) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point L667(lines 640 668) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 615 674) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-08-18 18:29:23,955 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 615 674) no Hoare annotation was computed. [2020-08-18 18:29:23,956 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 615 674) no Hoare annotation was computed. [2020-08-18 18:29:23,956 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-08-18 18:29:23,956 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-08-18 18:29:23,956 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-08-18 18:29:23,956 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2020-08-18 18:29:23,957 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2020-08-18 18:29:23,957 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2020-08-18 18:29:23,957 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2020-08-18 18:29:23,957 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2020-08-18 18:29:23,957 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 358 380) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,958 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2020-08-18 18:29:23,958 INFO L264 CegarLoopResult]: At program point L370(line 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 18:29:23,958 INFO L264 CegarLoopResult]: At program point L370-1(line 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 18:29:23,958 INFO L268 CegarLoopResult]: For program point L368(lines 368 375) no Hoare annotation was computed. [2020-08-18 18:29:23,958 INFO L268 CegarLoopResult]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2020-08-18 18:29:23,958 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-08-18 18:29:23,959 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,959 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 358 380) no Hoare annotation was computed. [2020-08-18 18:29:23,959 INFO L264 CegarLoopResult]: At program point L364(line 364) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,959 INFO L264 CegarLoopResult]: At program point L364-1(line 364) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,959 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-08-18 18:29:23,959 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-08-18 18:29:23,960 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-08-18 18:29:23,961 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point L192(lines 192 196) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L271 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: true [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point L192-2(lines 192 196) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 183 201) the Hoare annotation is: true [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 183 201) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 183 201) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-08-18 18:29:23,962 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 147 182) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 147 182) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 147 182) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2020-08-18 18:29:23,963 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2020-08-18 18:29:23,963 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 513 558) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 513 558) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 513 558) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 826 871) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 826 871) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point L840(lines 840 860) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point L840-1(lines 840 860) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 826 871) no Hoare annotation was computed. [2020-08-18 18:29:23,964 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 344 354) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,964 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 18:29:23,964 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 344 354) no Hoare annotation was computed. [2020-08-18 18:29:23,965 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 344 354) no Hoare annotation was computed. [2020-08-18 18:29:23,965 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 127 137) no Hoare annotation was computed. [2020-08-18 18:29:23,965 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 127 137) no Hoare annotation was computed. [2020-08-18 18:29:23,965 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 127 137) no Hoare annotation was computed. [2020-08-18 18:29:23,965 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-08-18 18:29:23,965 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-08-18 18:29:23,965 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2020-08-18 18:29:23,965 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2020-08-18 18:29:23,966 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2020-08-18 18:29:23,966 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,966 INFO L268 CegarLoopResult]: For program point L94(lines 94 102) no Hoare annotation was computed. [2020-08-18 18:29:23,966 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,966 INFO L268 CegarLoopResult]: For program point L92-1(line 92) no Hoare annotation was computed. [2020-08-18 18:29:23,966 INFO L268 CegarLoopResult]: For program point L90(lines 90 107) no Hoare annotation was computed. [2020-08-18 18:29:23,966 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 86 110) no Hoare annotation was computed. [2020-08-18 18:29:23,967 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 86 110) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,967 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,967 INFO L268 CegarLoopResult]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2020-08-18 18:29:23,967 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,967 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2020-08-18 18:29:23,967 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2020-08-18 18:29:23,967 INFO L268 CegarLoopResult]: For program point L225(lines 224 271) no Hoare annotation was computed. [2020-08-18 18:29:23,967 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,968 INFO L264 CegarLoopResult]: At program point testENTRY(lines 214 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,968 INFO L268 CegarLoopResult]: For program point L254(lines 254 267) no Hoare annotation was computed. [2020-08-18 18:29:23,968 INFO L268 CegarLoopResult]: For program point testFINAL(lines 214 279) no Hoare annotation was computed. [2020-08-18 18:29:23,968 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,968 INFO L268 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-08-18 18:29:23,968 INFO L268 CegarLoopResult]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2020-08-18 18:29:23,968 INFO L264 CegarLoopResult]: At program point L269(lines 224 271) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,968 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,968 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-08-18 18:29:23,968 INFO L268 CegarLoopResult]: For program point L234-1(lines 234 240) no Hoare annotation was computed. [2020-08-18 18:29:23,968 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-08-18 18:29:23,968 INFO L264 CegarLoopResult]: At program point L272(lines 223 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L264 CegarLoopResult]: At program point L262-2(lines 254 267) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point testEXIT(lines 214 279) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point L794(lines 794 814) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 780 825) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point L794-1(lines 794 814) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 780 825) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 780 825) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 497 505) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 497 505) the Hoare annotation is: true [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 497 505) no Hoare annotation was computed. [2020-08-18 18:29:23,969 INFO L268 CegarLoopResult]: For program point L896(lines 896 902) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point L895(lines 895 905) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point L891(lines 891 908) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point L891-1(lines 883 911) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 883 911) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 883 911) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L264 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point L473(lines 473 481) no Hoare annotation was computed. [2020-08-18 18:29:23,970 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 465 487) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 481) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 465 487) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 465 487) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 875 882) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 875 882) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 875 882) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 383 392) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 383 392) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 383 392) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 677 779) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point L766(lines 766 773) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point L727(lines 726 746) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-08-18 18:29:23,971 INFO L268 CegarLoopResult]: For program point L758-1(line 758) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L723(lines 723 764) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 677 779) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L765(lines 765 776) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L726-2(lines 726 746) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 677 779) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L747(lines 725 748) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point L706(lines 706 722) no Hoare annotation was computed. [2020-08-18 18:29:23,972 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:29:23,973 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 18:29:23,973 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:29:23,973 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 111 118) no Hoare annotation was computed. [2020-08-18 18:29:23,973 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 111 118) no Hoare annotation was computed. [2020-08-18 18:29:23,973 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 111 118) no Hoare annotation was computed. [2020-08-18 18:29:23,973 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 488 496) no Hoare annotation was computed. [2020-08-18 18:29:23,974 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 488 496) no Hoare annotation was computed. [2020-08-18 18:29:23,974 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 488 496) no Hoare annotation was computed. [2020-08-18 18:29:23,974 INFO L268 CegarLoopResult]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2020-08-18 18:29:23,974 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 18:29:23,974 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2020-08-18 18:29:23,974 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:29:23,974 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 18:29:23,974 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:29:23,975 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2020-08-18 18:29:23,975 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2020-08-18 18:29:23,975 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2020-08-18 18:29:23,975 INFO L264 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,975 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,975 INFO L268 CegarLoopResult]: For program point L58(lines 57 76) no Hoare annotation was computed. [2020-08-18 18:29:23,976 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,976 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2020-08-18 18:29:23,976 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2020-08-18 18:29:23,976 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:29:23,976 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-08-18 18:29:23,976 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2020-08-18 18:29:23,976 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-08-18 18:29:23,976 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2020-08-18 18:29:23,977 INFO L271 CegarLoopResult]: At program point L307(lines 282 311) the Hoare annotation is: true [2020-08-18 18:29:23,977 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-08-18 18:29:23,977 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-08-18 18:29:23,977 INFO L271 CegarLoopResult]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2020-08-18 18:29:23,977 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-08-18 18:29:23,977 INFO L271 CegarLoopResult]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2020-08-18 18:29:23,977 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 420 431) the Hoare annotation is: true [2020-08-18 18:29:23,977 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 420 431) no Hoare annotation was computed. [2020-08-18 18:29:23,978 INFO L268 CegarLoopResult]: For program point L424-1(lines 420 431) no Hoare annotation was computed. [2020-08-18 18:29:23,978 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2020-08-18 18:29:23,978 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2020-08-18 18:29:23,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:29:23,978 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 18:29:23,978 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 18:29:23,978 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:29:23,978 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 202 209) no Hoare annotation was computed. [2020-08-18 18:29:23,979 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 202 209) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-18 18:29:23,979 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 202 209) no Hoare annotation was computed. [2020-08-18 18:29:23,979 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2020-08-18 18:29:23,979 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 18:29:23,979 INFO L268 CegarLoopResult]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2020-08-18 18:29:23,979 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 913 920) no Hoare annotation was computed. [2020-08-18 18:29:23,979 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 917) no Hoare annotation was computed. [2020-08-18 18:29:23,980 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 913 920) the Hoare annotation is: true [2020-08-18 18:29:23,980 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 913 920) no Hoare annotation was computed. [2020-08-18 18:29:23,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 06:29:23 BoogieIcfgContainer [2020-08-18 18:29:24,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 18:29:24,005 INFO L168 Benchmark]: Toolchain (without parser) took 22617.74 ms. Allocated memory was 145.2 MB in the beginning and 583.5 MB in the end (delta: 438.3 MB). Free memory was 100.8 MB in the beginning and 373.9 MB in the end (delta: -273.1 MB). Peak memory consumption was 432.8 MB. Max. memory is 7.1 GB. [2020-08-18 18:29:24,006 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 18:29:24,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.94 ms. Allocated memory was 145.2 MB in the beginning and 199.8 MB in the end (delta: 54.5 MB). Free memory was 100.6 MB in the beginning and 166.8 MB in the end (delta: -66.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-08-18 18:29:24,008 INFO L168 Benchmark]: Boogie Preprocessor took 117.59 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 18:29:24,009 INFO L168 Benchmark]: RCFGBuilder took 1121.60 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 161.9 MB in the beginning and 193.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-08-18 18:29:24,010 INFO L168 Benchmark]: TraceAbstraction took 20650.59 ms. Allocated memory was 230.2 MB in the beginning and 583.5 MB in the end (delta: 353.4 MB). Free memory was 193.6 MB in the beginning and 373.9 MB in the end (delta: -180.4 MB). Peak memory consumption was 440.6 MB. Max. memory is 7.1 GB. [2020-08-18 18:29:24,014 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.94 ms. Allocated memory was 145.2 MB in the beginning and 199.8 MB in the end (delta: 54.5 MB). Free memory was 100.6 MB in the beginning and 166.8 MB in the end (delta: -66.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.59 ms. Allocated memory is still 199.8 MB. Free memory was 166.8 MB in the beginning and 162.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1121.60 ms. Allocated memory was 199.8 MB in the beginning and 230.2 MB in the end (delta: 30.4 MB). Free memory was 161.9 MB in the beginning and 193.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20650.59 ms. Allocated memory was 230.2 MB in the beginning and 583.5 MB in the end (delta: 353.4 MB). Free memory was 193.6 MB in the beginning and 373.9 MB in the end (delta: -180.4 MB). Peak memory consumption was 440.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 917]: 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: 223]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 449 SDtfs, 827 SDslu, 383 SDs, 0 SdLazy, 1848 SolverSat, 600 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 833 HoareAnnotationTreeSize, 258 FomulaSimplifications, 110361 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7748 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 85909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...