/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=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:40:49,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:40:49,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:40:49,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:40:49,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:40:49,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:40:49,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:40:49,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:40:49,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:40:49,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:40:49,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:40:49,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:40:49,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:40:49,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:40:49,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:40:49,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:40:49,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:40:49,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:40:49,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:40:49,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:40:49,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:40:49,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:40:49,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:40:49,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:40:49,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:40:49,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:40:49,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:40:49,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:40:49,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:40:49,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:40:49,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:40:49,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:40:49,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:40:49,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:40:49,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:40:49,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:40:49,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:40:49,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:40:49,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:40:49,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:40:49,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:40:49,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 17:40:49,614 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:40:49,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:40:49,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:40:49,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:40:49,619 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:40:49,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:40:49,619 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:40:49,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:40:49,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:40:49,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:40:49,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:40:49,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:40:49,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:40:49,622 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:40:49,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:40:49,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:40:49,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:40:49,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:40:49,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:40:49,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:40:49,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:40:49,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:40:49,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:40:49,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:40:49,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:40:49,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:40:49,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:40:49,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:40:49,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:40:49,625 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=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:40:49,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:40:49,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:40:49,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:40:49,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:40:49,976 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:40:49,976 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-08-18 17:40:50,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc6728b06/66fcfe2bc8d342799083e8444ddb675e/FLAGaad5000d3 [2020-08-18 17:40:50,575 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:40:50,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-08-18 17:40:50,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc6728b06/66fcfe2bc8d342799083e8444ddb675e/FLAGaad5000d3 [2020-08-18 17:40:50,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc6728b06/66fcfe2bc8d342799083e8444ddb675e [2020-08-18 17:40:50,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:40:50,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:40:50,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:40:50,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:40:50,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:40:50,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:40:50" (1/1) ... [2020-08-18 17:40:50,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469b4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:50, skipping insertion in model container [2020-08-18 17:40:50,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:40:50" (1/1) ... [2020-08-18 17:40:50,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:40:50,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:40:51,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:40:51,478 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:40:51,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:40:51,594 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:40:51,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51 WrapperNode [2020-08-18 17:40:51,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:40:51,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:40:51,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:40:51,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:40:51,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... [2020-08-18 17:40:51,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... [2020-08-18 17:40:51,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... [2020-08-18 17:40:51,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... [2020-08-18 17:40:51,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... [2020-08-18 17:40:51,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... [2020-08-18 17:40:51,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... [2020-08-18 17:40:51,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:40:51,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:40:51,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:40:51,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:40:51,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:40:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:40:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:40:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:40:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:40:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:40:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:40:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:40:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:40:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:40:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:40:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:40:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:40:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:40:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:40:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:40:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 17:40:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 17:40:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:40:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:40:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:40:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:40:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:40:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:40:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 17:40:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 17:40:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:40:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:40:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 17:40:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 17:40:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:40:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:40:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:40:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:40:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:40:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:40:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 17:40:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:40:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:40:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:40:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:40:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:40:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:40:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:40:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:40:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:40:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:40:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:40:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:40:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:40:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:40:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:40:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:40:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:40:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:40:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:40:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:40:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:40:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:40:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:40:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:40:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:40:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:40:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:40:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:40:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:40:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:40:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:40:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 17:40:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:40:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:40:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:40:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:40:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:40:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:40:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:40:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:40:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:40:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 17:40:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:40:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:40:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:40:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 17:40:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 17:40:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:40:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 17:40:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 17:40:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 17:40:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:40:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:40:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:40:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:40:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:40:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:40:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:40:53,019 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:40:53,020 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:40:53,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:40:53 BoogieIcfgContainer [2020-08-18 17:40:53,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:40:53,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:40:53,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:40:53,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:40:53,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:40:50" (1/3) ... [2020-08-18 17:40:53,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152cb2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:40:53, skipping insertion in model container [2020-08-18 17:40:53,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:40:51" (2/3) ... [2020-08-18 17:40:53,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152cb2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:40:53, skipping insertion in model container [2020-08-18 17:40:53,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:40:53" (3/3) ... [2020-08-18 17:40:53,034 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2020-08-18 17:40:53,045 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:40:53,053 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:40:53,068 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:40:53,093 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:40:53,094 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:40:53,094 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:40:53,094 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:40:53,094 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:40:53,095 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:40:53,095 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:40:53,095 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:40:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-08-18 17:40:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 17:40:53,128 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:40:53,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:40:53,129 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:40:53,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:40:53,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1920161495, now seen corresponding path program 1 times [2020-08-18 17:40:53,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:40:53,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719995951] [2020-08-18 17:40:53,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:40:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:53,858 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:40:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:40:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:53,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:40:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:40:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:53,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:40:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:53,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:40:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:54,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:40:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:54,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:40:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 17:40:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:40:54,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719995951] [2020-08-18 17:40:54,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:40:54,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:40:54,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019634625] [2020-08-18 17:40:54,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:40:54,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:40:54,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:40:54,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:40:54,083 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-08-18 17:40:55,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:40:55,218 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2020-08-18 17:40:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 17:40:55,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 17:40:55,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:40:55,235 INFO L225 Difference]: With dead ends: 288 [2020-08-18 17:40:55,235 INFO L226 Difference]: Without dead ends: 161 [2020-08-18 17:40:55,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:40:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-08-18 17:40:55,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2020-08-18 17:40:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-08-18 17:40:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-08-18 17:40:55,346 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-08-18 17:40:55,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:40:55,347 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-08-18 17:40:55,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:40:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-08-18 17:40:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 17:40:55,351 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:40:55,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:40:55,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:40:55,352 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:40:55,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:40:55,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1183327725, now seen corresponding path program 1 times [2020-08-18 17:40:55,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:40:55,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105083694] [2020-08-18 17:40:55,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:40:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,712 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:40:55,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:40:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:40:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:40:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:40:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:40:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:40:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:40:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 17:40:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:40:55,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105083694] [2020-08-18 17:40:55,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:40:55,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 17:40:55,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091417062] [2020-08-18 17:40:55,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 17:40:55,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:40:55,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 17:40:55,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:40:55,783 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-08-18 17:40:56,308 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:40:57,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:40:57,253 INFO L93 Difference]: Finished difference Result 229 states and 286 transitions. [2020-08-18 17:40:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 17:40:57,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 17:40:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:40:57,256 INFO L225 Difference]: With dead ends: 229 [2020-08-18 17:40:57,256 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 17:40:57,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:40:57,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 17:40:57,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-18 17:40:57,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 17:40:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-18 17:40:57,300 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-08-18 17:40:57,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:40:57,300 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-18 17:40:57,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 17:40:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-18 17:40:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 17:40:57,303 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:40:57,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:40:57,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:40:57,304 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:40:57,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:40:57,304 INFO L82 PathProgramCache]: Analyzing trace with hash -2053206438, now seen corresponding path program 1 times [2020-08-18 17:40:57,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:40:57,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922946982] [2020-08-18 17:40:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:40:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,655 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:40:57,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:40:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:40:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:40:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:40:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:40:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:40:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 17:40:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 17:40:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:40:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:40:57,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922946982] [2020-08-18 17:40:57,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:40:57,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:40:57,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375124587] [2020-08-18 17:40:57,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:40:57,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:40:57,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:40:57,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:40:57,750 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 9 states. [2020-08-18 17:40:58,175 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:40:58,481 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:40:58,741 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:40:58,988 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:00,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:41:00,209 INFO L93 Difference]: Finished difference Result 242 states and 305 transitions. [2020-08-18 17:41:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:41:00,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 17:41:00,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:41:00,213 INFO L225 Difference]: With dead ends: 242 [2020-08-18 17:41:00,213 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 17:41:00,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 17:41:00,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 17:41:00,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-18 17:41:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 17:41:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-08-18 17:41:00,252 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 57 [2020-08-18 17:41:00,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:41:00,253 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-08-18 17:41:00,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:41:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-08-18 17:41:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-18 17:41:00,256 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:41:00,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:41:00,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:41:00,256 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:41:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:41:00,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1469392380, now seen corresponding path program 1 times [2020-08-18 17:41:00,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:41:00,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119469052] [2020-08-18 17:41:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:41:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,532 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:41:00,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:41:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:41:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:41:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:41:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:41:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:41:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:41:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:41:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:41:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 17:41:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 17:41:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:41:00,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119469052] [2020-08-18 17:41:00,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:41:00,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:41:00,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618691782] [2020-08-18 17:41:00,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:41:00,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:41:00,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:41:00,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:41:00,654 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 9 states. [2020-08-18 17:41:01,040 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:41:01,906 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:02,355 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:41:03,102 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:03,345 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:04,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:41:04,108 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2020-08-18 17:41:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 17:41:04,109 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-18 17:41:04,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:41:04,114 INFO L225 Difference]: With dead ends: 373 [2020-08-18 17:41:04,114 INFO L226 Difference]: Without dead ends: 282 [2020-08-18 17:41:04,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 17:41:04,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-08-18 17:41:04,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 200. [2020-08-18 17:41:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-08-18 17:41:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 236 transitions. [2020-08-18 17:41:04,172 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 236 transitions. Word has length 70 [2020-08-18 17:41:04,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:41:04,172 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 236 transitions. [2020-08-18 17:41:04,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:41:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 236 transitions. [2020-08-18 17:41:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-08-18 17:41:04,176 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:41:04,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:41:04,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:41:04,176 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:41:04,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:41:04,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1644322976, now seen corresponding path program 1 times [2020-08-18 17:41:04,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:41:04,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459170441] [2020-08-18 17:41:04,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:41:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,497 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:41:04,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:41:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:41:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:41:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:41:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:41:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 17:41:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 17:41:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 17:41:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:41:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:41:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-18 17:41:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 17:41:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:41:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:41:04,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459170441] [2020-08-18 17:41:04,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:41:04,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 17:41:04,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728728196] [2020-08-18 17:41:04,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 17:41:04,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:41:04,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 17:41:04,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 17:41:04,682 INFO L87 Difference]: Start difference. First operand 200 states and 236 transitions. Second operand 10 states. [2020-08-18 17:41:05,028 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:41:05,961 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:06,230 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:06,502 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 17:41:06,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:41:06,779 INFO L93 Difference]: Finished difference Result 349 states and 444 transitions. [2020-08-18 17:41:06,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 17:41:06,780 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-08-18 17:41:06,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:41:06,781 INFO L225 Difference]: With dead ends: 349 [2020-08-18 17:41:06,781 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:41:06,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-18 17:41:06,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:41:06,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:41:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:41:06,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:41:06,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-08-18 17:41:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:41:06,784 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:41:06,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 17:41:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:41:06,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:41:06,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:41:06,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:41:08,962 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 17:41:09,161 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:09,385 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 17:41:09,709 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 17:41:10,080 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 17:41:10,407 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-08-18 17:41:10,626 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:41:10,800 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:10,993 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:11,336 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 17:41:11,674 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-18 17:41:12,032 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 17:41:12,219 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:12,389 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:12,710 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 17:41:12,890 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 17:41:13,073 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 17:41:13,395 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 17:41:13,744 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 17:41:13,912 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 17:41:14,084 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-18 17:41:14,405 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 17:41:14,607 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 17:41:14,811 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 17:41:15,126 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 17:41:15,152 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 17:41:15,153 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 17:41:15,154 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 17:41:15,154 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 17:41:15,154 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 17:41:15,154 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 17:41:15,154 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 17:41:15,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 17:41:15,155 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 17:41:15,155 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 17:41:15,155 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 17:41:15,156 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 930 936) the Hoare annotation is: true [2020-08-18 17:41:15,156 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 930 936) no Hoare annotation was computed. [2020-08-18 17:41:15,156 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 937 945) no Hoare annotation was computed. [2020-08-18 17:41:15,156 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 937 945) the Hoare annotation is: true [2020-08-18 17:41:15,157 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 937 945) no Hoare annotation was computed. [2020-08-18 17:41:15,157 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,157 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-08-18 17:41:15,158 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 17:41:15,158 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 17:41:15,158 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-08-18 17:41:15,159 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-08-18 17:41:15,159 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-18 17:41:15,159 INFO L264 CegarLoopResult]: At program point L495(line 495) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,159 INFO L264 CegarLoopResult]: At program point L494(line 494) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,160 INFO L264 CegarLoopResult]: At program point L494-1(line 494) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,160 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-08-18 17:41:15,160 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-18 17:41:15,160 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 17:41:15,160 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-08-18 17:41:15,160 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-08-18 17:41:15,160 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 17:41:15,161 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-08-18 17:41:15,161 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-08-18 17:41:15,161 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-18 17:41:15,161 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 17:41:15,161 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-18 17:41:15,161 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-08-18 17:41:15,161 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 634 642) the Hoare annotation is: true [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2020-08-18 17:41:15,162 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-08-18 17:41:15,163 INFO L271 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: true [2020-08-18 17:41:15,163 INFO L268 CegarLoopResult]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2020-08-18 17:41:15,163 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-08-18 17:41:15,163 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 679 697) the Hoare annotation is: true [2020-08-18 17:41:15,163 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 679 697) no Hoare annotation was computed. [2020-08-18 17:41:15,163 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 679 697) no Hoare annotation was computed. [2020-08-18 17:41:15,163 INFO L268 CegarLoopResult]: For program point L673(line 673) no Hoare annotation was computed. [2020-08-18 17:41:15,163 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-08-18 17:41:15,163 INFO L268 CegarLoopResult]: For program point L662(lines 662 670) no Hoare annotation was computed. [2020-08-18 17:41:15,164 INFO L268 CegarLoopResult]: For program point L662-2(lines 662 670) no Hoare annotation was computed. [2020-08-18 17:41:15,164 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 643 678) no Hoare annotation was computed. [2020-08-18 17:41:15,164 INFO L268 CegarLoopResult]: For program point L650(lines 650 658) no Hoare annotation was computed. [2020-08-18 17:41:15,164 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 658) no Hoare annotation was computed. [2020-08-18 17:41:15,164 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 643 678) no Hoare annotation was computed. [2020-08-18 17:41:15,164 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 643 678) no Hoare annotation was computed. [2020-08-18 17:41:15,164 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 923 929) no Hoare annotation was computed. [2020-08-18 17:41:15,165 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 923 929) the Hoare annotation is: true [2020-08-18 17:41:15,165 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 17:41:15,165 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 17:41:15,165 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 17:41:15,165 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 17:41:15,165 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 17:41:15,165 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 17:41:15,166 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 17:41:15,166 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 17:41:15,166 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 17:41:15,166 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,166 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 17:41:15,166 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-08-18 17:41:15,167 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-08-18 17:41:15,167 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 623 633) the Hoare annotation is: true [2020-08-18 17:41:15,167 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 623 633) no Hoare annotation was computed. [2020-08-18 17:41:15,167 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 623 633) no Hoare annotation was computed. [2020-08-18 17:41:15,167 INFO L271 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: true [2020-08-18 17:41:15,167 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-08-18 17:41:15,167 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 615 622) the Hoare annotation is: true [2020-08-18 17:41:15,168 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2020-08-18 17:41:15,168 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 615 622) no Hoare annotation was computed. [2020-08-18 17:41:15,168 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,168 INFO L268 CegarLoopResult]: For program point L601-1(lines 582 606) no Hoare annotation was computed. [2020-08-18 17:41:15,168 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 582 606) no Hoare annotation was computed. [2020-08-18 17:41:15,168 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,169 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 582 606) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,169 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,169 INFO L268 CegarLoopResult]: For program point L590(lines 590 598) no Hoare annotation was computed. [2020-08-18 17:41:15,169 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,169 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-08-18 17:41:15,169 INFO L268 CegarLoopResult]: For program point L586(lines 586 603) no Hoare annotation was computed. [2020-08-18 17:41:15,169 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 548 554) no Hoare annotation was computed. [2020-08-18 17:41:15,169 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 548 554) the Hoare annotation is: true [2020-08-18 17:41:15,170 INFO L268 CegarLoopResult]: For program point L737(lines 737 743) no Hoare annotation was computed. [2020-08-18 17:41:15,170 INFO L268 CegarLoopResult]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2020-08-18 17:41:15,170 INFO L264 CegarLoopResult]: At program point testENTRY(lines 707 772) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,170 INFO L264 CegarLoopResult]: At program point L762(lines 717 764) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,170 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,170 INFO L268 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2020-08-18 17:41:15,171 INFO L268 CegarLoopResult]: For program point testFINAL(lines 707 772) no Hoare annotation was computed. [2020-08-18 17:41:15,171 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 733) no Hoare annotation was computed. [2020-08-18 17:41:15,171 INFO L268 CegarLoopResult]: For program point L719(lines 719 723) no Hoare annotation was computed. [2020-08-18 17:41:15,171 INFO L264 CegarLoopResult]: At program point L765(lines 716 766) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,171 INFO L268 CegarLoopResult]: For program point L755(lines 755 759) no Hoare annotation was computed. [2020-08-18 17:41:15,171 INFO L264 CegarLoopResult]: At program point L755-2(lines 747 760) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,171 INFO L268 CegarLoopResult]: For program point L718(lines 717 764) no Hoare annotation was computed. [2020-08-18 17:41:15,172 INFO L264 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,172 INFO L268 CegarLoopResult]: For program point L747(lines 747 760) no Hoare annotation was computed. [2020-08-18 17:41:15,172 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:41:15,172 INFO L268 CegarLoopResult]: For program point testEXIT(lines 707 772) no Hoare annotation was computed. [2020-08-18 17:41:15,172 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 17:41:15,172 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 17:41:15,172 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 17:41:15,173 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 17:41:15,173 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 17:41:15,173 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 17:41:15,173 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 902 910) no Hoare annotation was computed. [2020-08-18 17:41:15,173 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 902 910) the Hoare annotation is: true [2020-08-18 17:41:15,173 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 902 910) no Hoare annotation was computed. [2020-08-18 17:41:15,173 INFO L268 CegarLoopResult]: For program point L802-1(line 802) no Hoare annotation was computed. [2020-08-18 17:41:15,174 INFO L268 CegarLoopResult]: For program point L800(lines 800 817) no Hoare annotation was computed. [2020-08-18 17:41:15,174 INFO L268 CegarLoopResult]: For program point L800-1(lines 792 820) no Hoare annotation was computed. [2020-08-18 17:41:15,174 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 17:41:15,174 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-08-18 17:41:15,174 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 792 820) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 17:41:15,174 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:41:15,175 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-08-18 17:41:15,175 INFO L268 CegarLoopResult]: For program point L804(lines 804 814) no Hoare annotation was computed. [2020-08-18 17:41:15,175 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 792 820) no Hoare annotation was computed. [2020-08-18 17:41:15,175 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-18 17:41:15,175 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 784 791) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 17:41:15,175 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 784 791) no Hoare annotation was computed. [2020-08-18 17:41:15,175 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 784 791) no Hoare annotation was computed. [2020-08-18 17:41:15,176 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-08-18 17:41:15,176 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-08-18 17:41:15,176 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 870 892) no Hoare annotation was computed. [2020-08-18 17:41:15,176 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 870 892) no Hoare annotation was computed. [2020-08-18 17:41:15,176 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 870 892) no Hoare annotation was computed. [2020-08-18 17:41:15,176 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 17:41:15,176 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 17:41:15,177 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 17:41:15,177 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 17:41:15,177 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 17:41:15,177 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 17:41:15,177 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 17:41:15,177 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 17:41:15,177 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 17:41:15,178 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 913 922) no Hoare annotation was computed. [2020-08-18 17:41:15,179 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 913 922) no Hoare annotation was computed. [2020-08-18 17:41:15,179 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 913 922) no Hoare annotation was computed. [2020-08-18 17:41:15,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:41:15,179 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~string50.base| |old(#t~string50.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~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.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~string50.offset| |old(#t~string50.offset)|) (= |#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~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.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~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.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)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:41:15,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:41:15,180 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 607 614) no Hoare annotation was computed. [2020-08-18 17:41:15,180 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 607 614) no Hoare annotation was computed. [2020-08-18 17:41:15,180 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 607 614) no Hoare annotation was computed. [2020-08-18 17:41:15,180 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 893 901) no Hoare annotation was computed. [2020-08-18 17:41:15,180 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 893 901) no Hoare annotation was computed. [2020-08-18 17:41:15,180 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 893 901) no Hoare annotation was computed. [2020-08-18 17:41:15,180 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:41:15,181 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:41:15,181 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:41:15,181 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 849 860) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 17:41:15,181 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 849 860) no Hoare annotation was computed. [2020-08-18 17:41:15,181 INFO L268 CegarLoopResult]: For program point L853-1(lines 849 860) no Hoare annotation was computed. [2020-08-18 17:41:15,181 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,182 INFO L264 CegarLoopResult]: At program point L535(lines 535 541) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,182 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,182 INFO L268 CegarLoopResult]: For program point L528(lines 527 546) no Hoare annotation was computed. [2020-08-18 17:41:15,182 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 524 547) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,182 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 524 547) no Hoare annotation was computed. [2020-08-18 17:41:15,182 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 524 547) no Hoare annotation was computed. [2020-08-18 17:41:15,183 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-08-18 17:41:15,183 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-08-18 17:41:15,183 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-08-18 17:41:15,183 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-08-18 17:41:15,183 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-08-18 17:41:15,183 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-08-18 17:41:15,183 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-08-18 17:41:15,184 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-08-18 17:41:15,184 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-08-18 17:41:15,184 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-18 17:41:15,184 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 861 869) the Hoare annotation is: true [2020-08-18 17:41:15,184 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 861 869) no Hoare annotation was computed. [2020-08-18 17:41:15,184 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 861 869) no Hoare annotation was computed. [2020-08-18 17:41:15,184 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 825 836) the Hoare annotation is: true [2020-08-18 17:41:15,185 INFO L268 CegarLoopResult]: For program point L829-1(lines 825 836) no Hoare annotation was computed. [2020-08-18 17:41:15,185 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 825 836) no Hoare annotation was computed. [2020-08-18 17:41:15,185 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-08-18 17:41:15,185 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-08-18 17:41:15,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:41:15,185 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 17:41:15,185 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:41:15,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:41:15,186 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 698 705) no Hoare annotation was computed. [2020-08-18 17:41:15,186 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 698 705) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-18 17:41:15,186 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 698 705) no Hoare annotation was computed. [2020-08-18 17:41:15,186 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 837 848) no Hoare annotation was computed. [2020-08-18 17:41:15,186 INFO L268 CegarLoopResult]: For program point L841-1(lines 837 848) no Hoare annotation was computed. [2020-08-18 17:41:15,186 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 837 848) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:41:15,186 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 774 781) no Hoare annotation was computed. [2020-08-18 17:41:15,187 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2020-08-18 17:41:15,187 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 774 781) the Hoare annotation is: true [2020-08-18 17:41:15,187 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 774 781) no Hoare annotation was computed. [2020-08-18 17:41:15,187 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,187 INFO L268 CegarLoopResult]: For program point L575-1(lines 556 580) no Hoare annotation was computed. [2020-08-18 17:41:15,187 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 556 580) no Hoare annotation was computed. [2020-08-18 17:41:15,188 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 556 580) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,188 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,188 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,188 INFO L268 CegarLoopResult]: For program point L564(lines 564 572) no Hoare annotation was computed. [2020-08-18 17:41:15,188 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:41:15,188 INFO L268 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-08-18 17:41:15,188 INFO L268 CegarLoopResult]: For program point L560(lines 560 577) no Hoare annotation was computed. [2020-08-18 17:41:15,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:41:15 BoogieIcfgContainer [2020-08-18 17:41:15,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:41:15,209 INFO L168 Benchmark]: Toolchain (without parser) took 24319.88 ms. Allocated memory was 143.7 MB in the beginning and 563.6 MB in the end (delta: 420.0 MB). Free memory was 104.1 MB in the beginning and 342.2 MB in the end (delta: -238.1 MB). Peak memory consumption was 432.5 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:15,210 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:41:15,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.59 ms. Allocated memory was 143.7 MB in the beginning and 205.5 MB in the end (delta: 61.9 MB). Free memory was 103.9 MB in the beginning and 171.1 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:15,212 INFO L168 Benchmark]: Boogie Preprocessor took 91.56 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 166.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:15,213 INFO L168 Benchmark]: RCFGBuilder took 1337.64 ms. Allocated memory was 205.5 MB in the beginning and 233.3 MB in the end (delta: 27.8 MB). Free memory was 166.9 MB in the beginning and 184.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:15,214 INFO L168 Benchmark]: TraceAbstraction took 22180.40 ms. Allocated memory was 233.3 MB in the beginning and 563.6 MB in the end (delta: 330.3 MB). Free memory was 182.7 MB in the beginning and 342.2 MB in the end (delta: -159.5 MB). Peak memory consumption was 421.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:41:15,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.59 ms. Allocated memory was 143.7 MB in the beginning and 205.5 MB in the end (delta: 61.9 MB). Free memory was 103.9 MB in the beginning and 171.1 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.56 ms. Allocated memory is still 205.5 MB. Free memory was 171.1 MB in the beginning and 166.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1337.64 ms. Allocated memory was 205.5 MB in the beginning and 233.3 MB in the end (delta: 27.8 MB). Free memory was 166.9 MB in the beginning and 184.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22180.40 ms. Allocated memory was 233.3 MB in the beginning and 563.6 MB in the end (delta: 330.3 MB). Free memory was 182.7 MB in the beginning and 342.2 MB in the end (delta: -159.5 MB). Peak memory consumption was 421.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 778]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 233 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 915 SDslu, 426 SDs, 0 SdLazy, 2097 SolverSat, 685 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 352 PreInvPairs, 390 NumberOfFragments, 886 HoareAnnotationTreeSize, 352 FomulaSimplifications, 110361 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 60 FomulaSimplificationsInter, 8590 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 90515 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...