/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 06:34:24,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 06:34:24,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 06:34:24,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 06:34:24,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 06:34:24,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 06:34:24,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 06:34:24,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 06:34:24,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 06:34:24,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 06:34:24,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 06:34:24,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 06:34:24,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 06:34:24,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 06:34:24,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 06:34:24,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 06:34:24,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 06:34:24,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 06:34:24,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 06:34:24,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 06:34:24,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 06:34:24,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 06:34:24,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 06:34:24,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 06:34:24,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 06:34:24,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 06:34:24,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 06:34:24,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 06:34:24,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 06:34:24,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 06:34:24,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 06:34:24,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 06:34:24,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 06:34:24,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 06:34:24,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 06:34:24,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 06:34:24,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 06:34:24,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 06:34:24,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 06:34:24,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 06:34:24,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 06:34:24,154 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 [2020-08-19 06:34:24,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 06:34:24,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 06:34:24,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 06:34:24,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 06:34:24,199 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 06:34:24,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 06:34:24,200 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 06:34:24,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 06:34:24,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 06:34:24,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 06:34:24,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 06:34:24,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 06:34:24,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 06:34:24,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 06:34:24,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 06:34:24,202 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 06:34:24,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 06:34:24,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 06:34:24,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 06:34:24,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 06:34:24,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 06:34:24,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 06:34:24,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 06:34:24,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 06:34:24,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 06:34:24,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 06:34:24,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 06:34:24,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 06:34:24,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 06:34:24,205 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=SMALLESTAMONGWIDE;tolerance=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; [2020-08-19 06:34:24,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 06:34:24,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 06:34:24,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 06:34:24,552 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 06:34:24,553 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 06:34:24,553 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-08-19 06:34:24,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fae2f5d05/925fcfb1834f4f24af2454c40fa3ab31/FLAGd5bf6dbe2 [2020-08-19 06:34:25,133 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 06:34:25,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-08-19 06:34:25,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fae2f5d05/925fcfb1834f4f24af2454c40fa3ab31/FLAGd5bf6dbe2 [2020-08-19 06:34:25,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fae2f5d05/925fcfb1834f4f24af2454c40fa3ab31 [2020-08-19 06:34:25,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 06:34:25,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 06:34:25,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 06:34:25,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 06:34:25,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 06:34:25,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:34:25" (1/1) ... [2020-08-19 06:34:25,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3210105d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:25, skipping insertion in model container [2020-08-19 06:34:25,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:34:25" (1/1) ... [2020-08-19 06:34:25,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 06:34:25,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 06:34:25,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:34:25,990 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 06:34:26,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:34:26,193 INFO L208 MainTranslator]: Completed translation [2020-08-19 06:34:26,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26 WrapperNode [2020-08-19 06:34:26,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 06:34:26,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 06:34:26,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 06:34:26,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 06:34:26,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (1/1) ... [2020-08-19 06:34:26,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (1/1) ... [2020-08-19 06:34:26,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (1/1) ... [2020-08-19 06:34:26,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (1/1) ... [2020-08-19 06:34:26,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (1/1) ... [2020-08-19 06:34:26,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (1/1) ... [2020-08-19 06:34:26,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (1/1) ... [2020-08-19 06:34:26,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 06:34:26,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 06:34:26,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 06:34:26,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 06:34:26,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (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 [2020-08-19 06:34:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 06:34:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 06:34:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 06:34:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 06:34:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 06:34:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 06:34:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 06:34:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 06:34:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 06:34:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 06:34:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 06:34:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 06:34:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 06:34:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 06:34:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 06:34:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-19 06:34:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 06:34:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 06:34:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 06:34:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 06:34:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-19 06:34:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 06:34:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 06:34:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 06:34:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 06:34:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 06:34:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-19 06:34:26,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 06:34:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 06:34:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 06:34:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 06:34:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 06:34:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-19 06:34:26,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 06:34:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 06:34:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 06:34:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 06:34:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 06:34:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 06:34:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 06:34:26,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 06:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 06:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 06:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 06:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 06:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 06:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 06:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 06:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 06:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 06:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 06:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 06:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 06:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 06:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 06:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 06:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 06:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 06:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 06:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 06:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 06:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 06:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 06:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 06:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 06:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 06:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-19 06:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 06:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 06:34:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 06:34:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 06:34:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 06:34:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 06:34:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 06:34:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 06:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 06:34:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 06:34:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 06:34:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 06:34:27,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 06:34:27,480 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 06:34:27,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:34:27 BoogieIcfgContainer [2020-08-19 06:34:27,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 06:34:27,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 06:34:27,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 06:34:27,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 06:34:27,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 06:34:25" (1/3) ... [2020-08-19 06:34:27,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d09a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:34:27, skipping insertion in model container [2020-08-19 06:34:27,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:34:26" (2/3) ... [2020-08-19 06:34:27,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57d09a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:34:27, skipping insertion in model container [2020-08-19 06:34:27,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:34:27" (3/3) ... [2020-08-19 06:34:27,494 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2020-08-19 06:34:27,505 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 06:34:27,513 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 06:34:27,527 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 06:34:27,552 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 06:34:27,552 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 06:34:27,553 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 06:34:27,553 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 06:34:27,553 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 06:34:27,553 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 06:34:27,554 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 06:34:27,554 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 06:34:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-08-19 06:34:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 06:34:27,587 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:34:27,589 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] [2020-08-19 06:34:27,589 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:34:27,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:34:27,596 INFO L82 PathProgramCache]: Analyzing trace with hash 878433908, now seen corresponding path program 1 times [2020-08-19 06:34:27,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:34:27,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558337823] [2020-08-19 06:34:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:34:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,363 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:34:28,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:34:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:34:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:34:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:34:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:34:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 06:34:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 06:34:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:34:28,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558337823] [2020-08-19 06:34:28,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:34:28,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 06:34:28,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511239693] [2020-08-19 06:34:28,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 06:34:28,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:34:28,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 06:34:28,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 06:34:28,544 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 3 states. [2020-08-19 06:34:29,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:34:29,769 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-08-19 06:34:29,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 06:34:29,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 06:34:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:34:29,786 INFO L225 Difference]: With dead ends: 302 [2020-08-19 06:34:29,786 INFO L226 Difference]: Without dead ends: 164 [2020-08-19 06:34:29,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 06:34:29,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-19 06:34:29,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-08-19 06:34:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-08-19 06:34:29,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-08-19 06:34:29,892 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-08-19 06:34:29,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:34:29,893 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-08-19 06:34:29,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 06:34:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-08-19 06:34:29,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 06:34:29,896 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:34:29,897 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] [2020-08-19 06:34:29,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 06:34:29,897 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:34:29,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:34:29,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1259616678, now seen corresponding path program 1 times [2020-08-19 06:34:29,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:34:29,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722555657] [2020-08-19 06:34:29,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:34:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,220 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:34:30,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:34:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:34:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:34:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:34:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:34:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 06:34:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 06:34:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:34:30,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722555657] [2020-08-19 06:34:30,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:34:30,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 06:34:30,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761885021] [2020-08-19 06:34:30,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 06:34:30,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:34:30,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 06:34:30,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 06:34:30,264 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 4 states. [2020-08-19 06:34:30,695 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 06:34:31,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:34:31,605 INFO L93 Difference]: Finished difference Result 225 states and 278 transitions. [2020-08-19 06:34:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 06:34:31,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 06:34:31,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:34:31,610 INFO L225 Difference]: With dead ends: 225 [2020-08-19 06:34:31,611 INFO L226 Difference]: Without dead ends: 148 [2020-08-19 06:34:31,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:34:31,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-19 06:34:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2020-08-19 06:34:31,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-19 06:34:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-08-19 06:34:31,657 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-08-19 06:34:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:34:31,658 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-08-19 06:34:31,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 06:34:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-08-19 06:34:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 06:34:31,661 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:34:31,661 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] [2020-08-19 06:34:31,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 06:34:31,661 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:34:31,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:34:31,662 INFO L82 PathProgramCache]: Analyzing trace with hash 357693267, now seen corresponding path program 1 times [2020-08-19 06:34:31,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:34:31,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517855204] [2020-08-19 06:34:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:34:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,046 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:34:32,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:34:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:34:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:34:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:34:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:34:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 06:34:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 06:34:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:34:32,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517855204] [2020-08-19 06:34:32,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:34:32,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 06:34:32,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502780865] [2020-08-19 06:34:32,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:34:32,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:34:32,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:34:32,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:34:32,188 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 8 states. [2020-08-19 06:34:32,522 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:34:32,811 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:33,089 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:33,316 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:34,036 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 06:34:35,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:34:35,794 INFO L93 Difference]: Finished difference Result 415 states and 520 transitions. [2020-08-19 06:34:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 06:34:35,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 06:34:35,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:34:35,799 INFO L225 Difference]: With dead ends: 415 [2020-08-19 06:34:35,799 INFO L226 Difference]: Without dead ends: 319 [2020-08-19 06:34:35,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 06:34:35,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-08-19 06:34:35,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 254. [2020-08-19 06:34:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-08-19 06:34:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 310 transitions. [2020-08-19 06:34:35,875 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 310 transitions. Word has length 52 [2020-08-19 06:34:35,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:34:35,875 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 310 transitions. [2020-08-19 06:34:35,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:34:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 310 transitions. [2020-08-19 06:34:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-19 06:34:35,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:34:35,878 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] [2020-08-19 06:34:35,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 06:34:35,879 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:34:35,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:34:35,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1656866468, now seen corresponding path program 1 times [2020-08-19 06:34:35,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:34:35,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876700358] [2020-08-19 06:34:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:34:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,182 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:34:36,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:34:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:34:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:34:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:34:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:34:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 06:34:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-19 06:34:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-19 06:34:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:34:36,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876700358] [2020-08-19 06:34:36,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:34:36,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 06:34:36,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763730471] [2020-08-19 06:34:36,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:34:36,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:34:36,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:34:36,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:34:36,303 INFO L87 Difference]: Start difference. First operand 254 states and 310 transitions. Second operand 8 states. [2020-08-19 06:34:36,667 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:34:37,599 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:37,982 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:34:38,204 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:38,469 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:38,934 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 06:34:39,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:34:39,914 INFO L93 Difference]: Finished difference Result 823 states and 1081 transitions. [2020-08-19 06:34:39,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 06:34:39,915 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-19 06:34:39,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:34:39,923 INFO L225 Difference]: With dead ends: 823 [2020-08-19 06:34:39,924 INFO L226 Difference]: Without dead ends: 593 [2020-08-19 06:34:39,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-19 06:34:39,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-08-19 06:34:40,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 463. [2020-08-19 06:34:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-19 06:34:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 570 transitions. [2020-08-19 06:34:40,046 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 570 transitions. Word has length 57 [2020-08-19 06:34:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:34:40,046 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 570 transitions. [2020-08-19 06:34:40,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:34:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 570 transitions. [2020-08-19 06:34:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-19 06:34:40,049 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:34:40,049 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] [2020-08-19 06:34:40,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 06:34:40,050 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:34:40,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:34:40,050 INFO L82 PathProgramCache]: Analyzing trace with hash -403422112, now seen corresponding path program 1 times [2020-08-19 06:34:40,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:34:40,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607558628] [2020-08-19 06:34:40,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:34:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,330 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:34:40,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:34:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:34:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:34:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:34:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:34:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-19 06:34:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 06:34:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 06:34:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-19 06:34:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:34:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:34:40,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607558628] [2020-08-19 06:34:40,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:34:40,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 06:34:40,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655414458] [2020-08-19 06:34:40,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 06:34:40,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:34:40,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 06:34:40,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:34:40,438 INFO L87 Difference]: Start difference. First operand 463 states and 570 transitions. Second operand 9 states. [2020-08-19 06:34:41,013 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:34:41,933 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:42,209 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:42,450 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:34:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:34:42,867 INFO L93 Difference]: Finished difference Result 865 states and 1149 transitions. [2020-08-19 06:34:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 06:34:42,871 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-19 06:34:42,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:34:42,872 INFO L225 Difference]: With dead ends: 865 [2020-08-19 06:34:42,872 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 06:34:42,876 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-19 06:34:42,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 06:34:42,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 06:34:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 06:34:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 06:34:42,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-19 06:34:42,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:34:42,878 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 06:34:42,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 06:34:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 06:34:42,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 06:34:42,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 06:34:42,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 06:34:46,240 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 06:34:46,407 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 06:34:46,557 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-19 06:34:47,081 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-19 06:34:47,282 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-19 06:34:47,451 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 06:34:47,742 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-19 06:34:47,931 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:34:48,082 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 06:34:48,385 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-19 06:34:48,554 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-19 06:34:48,856 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-19 06:34:49,008 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 06:34:49,326 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-19 06:34:49,630 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 06:34:49,925 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 06:34:50,098 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 06:34:50,262 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 06:34:50,427 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 06:34:50,734 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-19 06:34:50,894 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 06:34:51,091 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 06:34:51,407 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 06:34:51,592 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 06:34:51,956 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-19 06:34:52,120 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 06:34:52,124 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-19 06:34:52,125 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-19 06:34:52,125 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 06:34:52,125 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-19 06:34:52,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-19 06:34:52,125 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-19 06:34:52,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-19 06:34:52,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-19 06:34:52,126 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 06:34:52,126 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-19 06:34:52,126 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-19 06:34:52,126 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-19 06:34:52,126 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 523 529) the Hoare annotation is: true [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 523 529) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 530 538) no Hoare annotation was computed. [2020-08-19 06:34:52,127 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 530 538) the Hoare annotation is: true [2020-08-19 06:34:52,127 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 530 538) no Hoare annotation was computed. [2020-08-19 06:34:52,128 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 943 965) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,128 INFO L264 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,128 INFO L264 CegarLoopResult]: At program point L955-1(line 955) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,128 INFO L268 CegarLoopResult]: For program point L953(lines 953 960) no Hoare annotation was computed. [2020-08-19 06:34:52,128 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 943 965) no Hoare annotation was computed. [2020-08-19 06:34:52,129 INFO L268 CegarLoopResult]: For program point L953-1(lines 953 960) no Hoare annotation was computed. [2020-08-19 06:34:52,129 INFO L268 CegarLoopResult]: For program point L951(line 951) no Hoare annotation was computed. [2020-08-19 06:34:52,129 INFO L264 CegarLoopResult]: At program point L950(line 950) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,129 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,129 INFO L264 CegarLoopResult]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,129 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 943 965) no Hoare annotation was computed. [2020-08-19 06:34:52,130 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 902 925) no Hoare annotation was computed. [2020-08-19 06:34:52,130 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 902 925) no Hoare annotation was computed. [2020-08-19 06:34:52,130 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 902 925) no Hoare annotation was computed. [2020-08-19 06:34:52,130 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-08-19 06:34:52,130 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-08-19 06:34:52,130 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-08-19 06:34:52,130 INFO L268 CegarLoopResult]: For program point L917(line 917) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-08-19 06:34:52,131 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,131 INFO L268 CegarLoopResult]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2020-08-19 06:34:52,132 INFO L264 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,132 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,132 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 679 703) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,132 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-08-19 06:34:52,132 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,132 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-08-19 06:34:52,132 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 679 703) no Hoare annotation was computed. [2020-08-19 06:34:52,132 INFO L268 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2020-08-19 06:34:52,132 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 838 852) no Hoare annotation was computed. [2020-08-19 06:34:52,132 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 06:34:52,132 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-08-19 06:34:52,133 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 838 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-19 06:34:52,133 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 838 852) no Hoare annotation was computed. [2020-08-19 06:34:52,133 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-08-19 06:34:52,133 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-08-19 06:34:52,133 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-08-19 06:34:52,133 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-08-19 06:34:52,133 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-08-19 06:34:52,133 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-08-19 06:34:52,133 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-08-19 06:34:52,133 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-08-19 06:34:52,133 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 516 522) no Hoare annotation was computed. [2020-08-19 06:34:52,134 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 516 522) the Hoare annotation is: true [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-19 06:34:52,135 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-19 06:34:52,136 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-19 06:34:52,136 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 933 942) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,136 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 933 942) no Hoare annotation was computed. [2020-08-19 06:34:52,136 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 933 942) no Hoare annotation was computed. [2020-08-19 06:34:52,136 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-08-19 06:34:52,136 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2020-08-19 06:34:52,136 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-08-19 06:34:52,137 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-08-19 06:34:52,137 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-08-19 06:34:52,137 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2020-08-19 06:34:52,137 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-08-19 06:34:52,137 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-08-19 06:34:52,137 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2020-08-19 06:34:52,137 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,137 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,137 INFO L268 CegarLoopResult]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2020-08-19 06:34:52,137 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,138 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,138 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-08-19 06:34:52,138 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,138 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-08-19 06:34:52,138 INFO L268 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-08-19 06:34:52,138 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 671 677) no Hoare annotation was computed. [2020-08-19 06:34:52,138 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 671 677) the Hoare annotation is: true [2020-08-19 06:34:52,138 INFO L264 CegarLoopResult]: At program point testENTRY(lines 572 639) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,138 INFO L264 CegarLoopResult]: At program point L632(lines 581 633) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 06:34:52,138 INFO L268 CegarLoopResult]: For program point testFINAL(lines 572 639) no Hoare annotation was computed. [2020-08-19 06:34:52,138 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 06:34:52,139 INFO L268 CegarLoopResult]: For program point L620(lines 620 626) no Hoare annotation was computed. [2020-08-19 06:34:52,139 INFO L264 CegarLoopResult]: At program point L620-1(lines 612 627) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 06:34:52,139 INFO L268 CegarLoopResult]: For program point L583(lines 582 631) no Hoare annotation was computed. [2020-08-19 06:34:52,139 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 06:34:52,139 INFO L268 CegarLoopResult]: For program point L612(lines 612 627) no Hoare annotation was computed. [2020-08-19 06:34:52,139 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 06:34:52,139 INFO L268 CegarLoopResult]: For program point L602(lines 602 608) no Hoare annotation was computed. [2020-08-19 06:34:52,139 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2020-08-19 06:34:52,139 INFO L264 CegarLoopResult]: At program point L629(lines 582 631) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 06:34:52,139 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point L592(lines 592 598) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point testEXIT(lines 572 639) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 730 737) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 730 737) no Hoare annotation was computed. [2020-08-19 06:34:52,140 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 730 737) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-19 06:34:52,141 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-19 06:34:52,142 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-19 06:34:52,143 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-19 06:34:52,143 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-19 06:34:52,143 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-19 06:34:52,143 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 506 515) no Hoare annotation was computed. [2020-08-19 06:34:52,143 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 506 515) no Hoare annotation was computed. [2020-08-19 06:34:52,143 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 506 515) no Hoare annotation was computed. [2020-08-19 06:34:52,143 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:34:52,144 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point L749-1(lines 738 754) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 738 754) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 738 754) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-08-19 06:34:52,144 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-08-19 06:34:52,145 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-08-19 06:34:52,145 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-08-19 06:34:52,145 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:34:52,145 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 06:34:52,145 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:34:52,145 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 06:34:52,145 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-19 06:34:52,146 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-19 06:34:52,146 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-08-19 06:34:52,146 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-08-19 06:34:52,146 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-08-19 06:34:52,146 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,146 INFO L264 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,146 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:34:52,147 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 06:34:52,147 INFO L268 CegarLoopResult]: For program point L651(lines 650 669) no Hoare annotation was computed. [2020-08-19 06:34:52,147 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2020-08-19 06:34:52,147 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2020-08-19 06:34:52,147 INFO L271 CegarLoopResult]: At program point L897(lines 872 901) the Hoare annotation is: true [2020-08-19 06:34:52,147 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 872 901) no Hoare annotation was computed. [2020-08-19 06:34:52,147 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-08-19 06:34:52,147 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 872 901) the Hoare annotation is: true [2020-08-19 06:34:52,148 INFO L268 CegarLoopResult]: For program point L886(lines 886 890) no Hoare annotation was computed. [2020-08-19 06:34:52,148 INFO L271 CegarLoopResult]: At program point L886-1(lines 886 890) the Hoare annotation is: true [2020-08-19 06:34:52,148 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-19 06:34:52,148 INFO L271 CegarLoopResult]: At program point L882-2(lines 882 896) the Hoare annotation is: true [2020-08-19 06:34:52,148 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-08-19 06:34:52,148 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-08-19 06:34:52,148 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-08-19 06:34:52,148 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-08-19 06:34:52,149 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-08-19 06:34:52,149 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 926 932) no Hoare annotation was computed. [2020-08-19 06:34:52,149 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 926 932) the Hoare annotation is: true [2020-08-19 06:34:52,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:34:52,149 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-19 06:34:52,149 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 06:34:52,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:34:52,149 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2020-08-19 06:34:52,150 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-19 06:34:52,150 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2020-08-19 06:34:52,150 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-19 06:34:52,150 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-19 06:34:52,150 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-19 06:34:52,150 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 862 869) no Hoare annotation was computed. [2020-08-19 06:34:52,150 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2020-08-19 06:34:52,151 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 862 869) the Hoare annotation is: true [2020-08-19 06:34:52,151 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 862 869) no Hoare annotation was computed. [2020-08-19 06:34:52,151 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 542 566) the Hoare annotation is: true [2020-08-19 06:34:52,151 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 542 566) no Hoare annotation was computed. [2020-08-19 06:34:52,151 INFO L264 CegarLoopResult]: At program point L556(line 556) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-19 06:34:52,151 INFO L268 CegarLoopResult]: For program point L554(lines 554 560) no Hoare annotation was computed. [2020-08-19 06:34:52,151 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-19 06:34:52,151 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-08-19 06:34:52,152 INFO L268 CegarLoopResult]: For program point L550(lines 550 563) no Hoare annotation was computed. [2020-08-19 06:34:52,152 INFO L268 CegarLoopResult]: For program point L550-1(lines 542 566) no Hoare annotation was computed. [2020-08-19 06:34:52,152 INFO L271 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: true [2020-08-19 06:34:52,152 INFO L268 CegarLoopResult]: For program point L548-1(line 548) no Hoare annotation was computed. [2020-08-19 06:34:52,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 06:34:52 BoogieIcfgContainer [2020-08-19 06:34:52,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 06:34:52,174 INFO L168 Benchmark]: Toolchain (without parser) took 26703.04 ms. Allocated memory was 139.5 MB in the beginning and 640.2 MB in the end (delta: 500.7 MB). Free memory was 101.7 MB in the beginning and 513.7 MB in the end (delta: -412.0 MB). Peak memory consumption was 523.9 MB. Max. memory is 7.1 GB. [2020-08-19 06:34:52,175 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 06:34:52,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.53 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 101.5 MB in the beginning and 168.9 MB in the end (delta: -67.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-08-19 06:34:52,177 INFO L168 Benchmark]: Boogie Preprocessor took 93.24 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-19 06:34:52,178 INFO L168 Benchmark]: RCFGBuilder took 1197.38 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 193.4 MB in the end (delta: -28.6 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-08-19 06:34:52,178 INFO L168 Benchmark]: TraceAbstraction took 24685.39 ms. Allocated memory was 234.4 MB in the beginning and 640.2 MB in the end (delta: 405.8 MB). Free memory was 193.4 MB in the beginning and 513.7 MB in the end (delta: -320.3 MB). Peak memory consumption was 520.7 MB. Max. memory is 7.1 GB. [2020-08-19 06:34:52,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.53 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 101.5 MB in the beginning and 168.9 MB in the end (delta: -67.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.24 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1197.38 ms. Allocated memory was 200.8 MB in the beginning and 234.4 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 193.4 MB in the end (delta: -28.6 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24685.39 ms. Allocated memory was 234.4 MB in the beginning and 640.2 MB in the end (delta: 405.8 MB). Free memory was 193.4 MB in the beginning and 513.7 MB in the end (delta: -320.3 MB). Peak memory consumption was 520.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 866]: 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: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 921 SDslu, 465 SDs, 0 SdLazy, 2369 SolverSat, 632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 651 PreInvPairs, 754 NumberOfFragments, 753 HoareAnnotationTreeSize, 651 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 18981 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 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...