/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:37:32,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:37:32,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:37:32,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:37:32,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:37:32,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:37:32,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:37:32,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:37:32,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:37:32,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:37:32,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:37:32,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:37:32,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:37:32,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:37:32,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:37:32,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:37:32,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:37:32,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:37:32,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:37:32,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:37:32,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:37:32,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:37:32,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:37:32,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:37:32,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:37:32,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:37:32,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:37:32,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:37:32,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:37:32,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:37:32,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:37:32,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:37:32,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:37:32,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:37:32,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:37:32,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:37:32,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:37:32,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:37:32,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:37:32,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:37:32,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:37:32,681 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:37:32,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:37:32,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:37:32,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:37:32,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:37:32,701 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:37:32,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:37:32,702 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:37:32,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:37:32,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:37:32,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:37:32,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:37:32,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:37:32,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:37:32,703 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:37:32,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:37:32,704 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:37:32,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:37:32,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:37:32,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:37:32,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:37:32,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:37:32,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:32,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:37:32,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:37:32,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:37:32,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:37:32,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:32,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:37:32,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:37:32,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:37:32,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:37:32,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:37:32,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:37:32,995 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:37:32,997 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:37:32,999 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-07-21 10:37:33,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437d6e42f/3b2b2186d1344045a16f9e9769a53da5/FLAGcd0f19934 [2020-07-21 10:37:33,676 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:37:33,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-07-21 10:37:33,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437d6e42f/3b2b2186d1344045a16f9e9769a53da5/FLAGcd0f19934 [2020-07-21 10:37:33,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437d6e42f/3b2b2186d1344045a16f9e9769a53da5 [2020-07-21 10:37:33,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:37:33,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:37:33,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:33,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:37:33,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:37:33,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:33" (1/1) ... [2020-07-21 10:37:33,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5e6636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:33, skipping insertion in model container [2020-07-21 10:37:33,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:37:33" (1/1) ... [2020-07-21 10:37:33,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:37:34,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:37:34,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:34,382 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:37:34,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:37:34,665 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:37:34,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34 WrapperNode [2020-07-21 10:37:34,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:37:34,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:37:34,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:37:34,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:37:34,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... [2020-07-21 10:37:34,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... [2020-07-21 10:37:34,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... [2020-07-21 10:37:34,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... [2020-07-21 10:37:34,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... [2020-07-21 10:37:34,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... [2020-07-21 10:37:34,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... [2020-07-21 10:37:34,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:37:34,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:37:34,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:37:34,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:37:34,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:34,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:37:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:37:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:37:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:37:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:37:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:37:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:37:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:37:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:37:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:37:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:37:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:37:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:37:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:37:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:37:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:37:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:37:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:37:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:37:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:37:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:37:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:37:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:37:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:37:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:37:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:37:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:37:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:37:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:37:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:37:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:37:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:37:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:37:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:37:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:37:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:37:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:37:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:37:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:37:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:37:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:37:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:37:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:37:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:37:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:37:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:37:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:37:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:37:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:37:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:37:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:37:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:37:34,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:37:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:37:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:37:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:37:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:37:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:37:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:37:34,823 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:37:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:37:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:37:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:37:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:37:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:37:34,824 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:37:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:37:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:37:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:37:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:37:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:37:34,825 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:37:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:37:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:37:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:37:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:37:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:37:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:37:34,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:37:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:37:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:37:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:37:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:37:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:37:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:37:35,941 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:37:35,941 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:37:35,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:35 BoogieIcfgContainer [2020-07-21 10:37:35,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:37:35,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:37:35,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:37:35,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:37:35,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:37:33" (1/3) ... [2020-07-21 10:37:35,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462662fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:35, skipping insertion in model container [2020-07-21 10:37:35,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:37:34" (2/3) ... [2020-07-21 10:37:35,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462662fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:37:35, skipping insertion in model container [2020-07-21 10:37:35,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:37:35" (3/3) ... [2020-07-21 10:37:35,957 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-07-21 10:37:35,967 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:37:35,977 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:37:35,991 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:37:36,016 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:37:36,016 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:37:36,017 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:37:36,017 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:37:36,017 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:37:36,017 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:37:36,018 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:37:36,018 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:37:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-07-21 10:37:36,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:37:36,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:36,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:36,049 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:36,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:36,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1827738968, now seen corresponding path program 1 times [2020-07-21 10:37:36,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:36,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202241573] [2020-07-21 10:37:36,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:36,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:37:36,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:36,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:36,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202241573] [2020-07-21 10:37:36,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:36,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:37:36,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128581634] [2020-07-21 10:37:36,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:37:36,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:36,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:37:36,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:36,362 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2020-07-21 10:37:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:36,404 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2020-07-21 10:37:36,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:37:36,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:37:36,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:36,422 INFO L225 Difference]: With dead ends: 220 [2020-07-21 10:37:36,422 INFO L226 Difference]: Without dead ends: 110 [2020-07-21 10:37:36,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:37:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-21 10:37:36,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-21 10:37:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-21 10:37:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-21 10:37:36,483 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-21 10:37:36,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:36,483 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-21 10:37:36,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:37:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-21 10:37:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:37:36,488 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:36,488 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:36,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:36,703 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:36,704 INFO L82 PathProgramCache]: Analyzing trace with hash 622240591, now seen corresponding path program 1 times [2020-07-21 10:37:36,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:36,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538404339] [2020-07-21 10:37:36,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:36,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:37:36,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:36,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:36,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538404339] [2020-07-21 10:37:36,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:36,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:36,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590789774] [2020-07-21 10:37:36,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:36,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:36,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:36,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:36,944 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2020-07-21 10:37:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:36,967 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2020-07-21 10:37:36,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:36,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:37:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:36,970 INFO L225 Difference]: With dead ends: 163 [2020-07-21 10:37:36,971 INFO L226 Difference]: Without dead ends: 101 [2020-07-21 10:37:36,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-21 10:37:36,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-21 10:37:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-21 10:37:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-21 10:37:36,987 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-21 10:37:36,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:36,988 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-21 10:37:36,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-21 10:37:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:37:36,990 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:36,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:37,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:37,204 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:37,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:37,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1297415431, now seen corresponding path program 1 times [2020-07-21 10:37:37,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:37,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [579102298] [2020-07-21 10:37:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:37,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:37:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:37,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:37,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [579102298] [2020-07-21 10:37:37,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:37,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:37:37,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366884924] [2020-07-21 10:37:37,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:37:37,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:37,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:37:37,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:37,431 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 3 states. [2020-07-21 10:37:37,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:37,458 INFO L93 Difference]: Finished difference Result 253 states and 303 transitions. [2020-07-21 10:37:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:37,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 10:37:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:37,462 INFO L225 Difference]: With dead ends: 253 [2020-07-21 10:37:37,462 INFO L226 Difference]: Without dead ends: 176 [2020-07-21 10:37:37,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:37:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-21 10:37:37,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-07-21 10:37:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-21 10:37:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-07-21 10:37:37,488 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-07-21 10:37:37,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:37,489 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-07-21 10:37:37,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:37:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-07-21 10:37:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:37:37,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:37,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:37,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:37,707 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:37,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:37,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1649615923, now seen corresponding path program 1 times [2020-07-21 10:37:37,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:37,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263973806] [2020-07-21 10:37:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:37,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:37:37,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:37,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:37,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263973806] [2020-07-21 10:37:37,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:37,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:37,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549496306] [2020-07-21 10:37:37,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:37,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:37,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:37,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:37,988 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 6 states. [2020-07-21 10:37:38,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:38,301 INFO L93 Difference]: Finished difference Result 449 states and 559 transitions. [2020-07-21 10:37:38,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:37:38,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:37:38,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:38,306 INFO L225 Difference]: With dead ends: 449 [2020-07-21 10:37:38,306 INFO L226 Difference]: Without dead ends: 301 [2020-07-21 10:37:38,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:37:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-07-21 10:37:38,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2020-07-21 10:37:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-07-21 10:37:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 368 transitions. [2020-07-21 10:37:38,340 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 368 transitions. Word has length 57 [2020-07-21 10:37:38,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:38,345 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 368 transitions. [2020-07-21 10:37:38,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:38,345 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 368 transitions. [2020-07-21 10:37:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 10:37:38,351 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:37:38,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:37:38,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:38,555 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:37:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:37:38,556 INFO L82 PathProgramCache]: Analyzing trace with hash 671694067, now seen corresponding path program 1 times [2020-07-21 10:37:38,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:37:38,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179431270] [2020-07-21 10:37:38,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:37:38,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:37:38,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:37:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:37:38,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:37:38,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179431270] [2020-07-21 10:37:38,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:37:38,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:37:38,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67855602] [2020-07-21 10:37:38,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:37:38,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:37:38,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:37:38,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:38,793 INFO L87 Difference]: Start difference. First operand 301 states and 368 transitions. Second operand 6 states. [2020-07-21 10:37:38,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:37:38,935 INFO L93 Difference]: Finished difference Result 388 states and 483 transitions. [2020-07-21 10:37:38,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:37:38,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-21 10:37:38,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:37:38,936 INFO L225 Difference]: With dead ends: 388 [2020-07-21 10:37:38,936 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:37:38,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:37:38,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:37:38,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:37:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:37:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:37:38,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-21 10:37:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:37:38,940 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:37:38,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:37:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:37:38,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:37:39,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:39,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:37:39,995 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:37:39,996 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:37:39,996 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:37:39,996 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 10:37:39,996 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:37:39,996 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 10:37:39,996 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:37:39,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:37:39,997 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 10:37:39,997 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 10:37:39,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:37:39,998 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:37:39,999 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:37:39,999 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 10:37:39,999 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:37:39,999 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 10:37:39,999 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:37:39,999 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 10:37:40,000 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2020-07-21 10:37:40,000 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-21 10:37:40,000 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-21 10:37:40,000 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2020-07-21 10:37:40,000 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-21 10:37:40,001 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:37:40,001 INFO L268 CegarLoopResult]: For program point L897-1(line 897) no Hoare annotation was computed. [2020-07-21 10:37:40,001 INFO L268 CegarLoopResult]: For program point L895(lines 895 908) no Hoare annotation was computed. [2020-07-21 10:37:40,002 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2020-07-21 10:37:40,002 INFO L268 CegarLoopResult]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2020-07-21 10:37:40,002 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-07-21 10:37:40,002 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-07-21 10:37:40,002 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2020-07-21 10:37:40,004 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:37:40,005 INFO L268 CegarLoopResult]: For program point L899(lines 899 905) no Hoare annotation was computed. [2020-07-21 10:37:40,005 INFO L264 CegarLoopResult]: At program point L834-1(line 834) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,005 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,005 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2020-07-21 10:37:40,005 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2020-07-21 10:37:40,006 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,006 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,006 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-21 10:37:40,006 INFO L268 CegarLoopResult]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2020-07-21 10:37:40,007 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-07-21 10:37:40,007 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,007 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,008 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-21 10:37:40,009 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-21 10:37:40,009 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 784 807) no Hoare annotation was computed. [2020-07-21 10:37:40,009 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-21 10:37:40,009 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-21 10:37:40,009 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-21 10:37:40,010 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 784 807) no Hoare annotation was computed. [2020-07-21 10:37:40,010 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-21 10:37:40,010 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 784 807) no Hoare annotation was computed. [2020-07-21 10:37:40,010 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-21 10:37:40,010 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-21 10:37:40,012 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-21 10:37:40,012 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-21 10:37:40,013 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-21 10:37:40,013 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-21 10:37:40,013 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-07-21 10:37:40,013 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-21 10:37:40,013 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-07-21 10:37:40,013 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:40,013 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-07-21 10:37:40,014 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-21 10:37:40,014 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-07-21 10:37:40,014 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-07-21 10:37:40,014 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-07-21 10:37:40,014 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-07-21 10:37:40,014 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-07-21 10:37:40,014 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-07-21 10:37:40,014 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-07-21 10:37:40,015 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-07-21 10:37:40,015 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-07-21 10:37:40,015 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-07-21 10:37:40,015 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-07-21 10:37:40,015 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-21 10:37:40,021 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-21 10:37:40,021 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-07-21 10:37:40,021 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-07-21 10:37:40,021 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-07-21 10:37:40,021 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-07-21 10:37:40,022 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-07-21 10:37:40,022 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-07-21 10:37:40,022 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-07-21 10:37:40,022 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2020-07-21 10:37:40,022 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2020-07-21 10:37:40,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:37:40,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:37:40,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:37:40,023 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 10:37:40,023 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:37:40,023 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:37:40,023 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:37:40,023 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:37:40,023 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:37:40,027 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,027 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2020-07-21 10:37:40,027 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2020-07-21 10:37:40,027 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-07-21 10:37:40,027 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-21 10:37:40,027 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-21 10:37:40,028 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-07-21 10:37:40,028 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-07-21 10:37:40,028 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-07-21 10:37:40,028 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-07-21 10:37:40,028 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-07-21 10:37:40,028 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2020-07-21 10:37:40,028 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:40,028 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:37:40,029 INFO L268 CegarLoopResult]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2020-07-21 10:37:40,029 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:40,029 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:40,029 INFO L268 CegarLoopResult]: For program point L552(lines 552 560) no Hoare annotation was computed. [2020-07-21 10:37:40,029 INFO L264 CegarLoopResult]: At program point L550(line 550) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:37:40,029 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-21 10:37:40,030 INFO L268 CegarLoopResult]: For program point L548(lines 548 565) no Hoare annotation was computed. [2020-07-21 10:37:40,030 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2020-07-21 10:37:40,030 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2020-07-21 10:37:40,030 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-07-21 10:37:40,030 INFO L264 CegarLoopResult]: At program point testENTRY(lines 686 751) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,030 INFO L268 CegarLoopResult]: For program point L698(lines 698 702) no Hoare annotation was computed. [2020-07-21 10:37:40,030 INFO L268 CegarLoopResult]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2020-07-21 10:37:40,031 INFO L264 CegarLoopResult]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,031 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,031 INFO L268 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-07-21 10:37:40,031 INFO L264 CegarLoopResult]: At program point L732-1(lines 726 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,031 INFO L268 CegarLoopResult]: For program point L697(lines 696 743) no Hoare annotation was computed. [2020-07-21 10:37:40,031 INFO L268 CegarLoopResult]: For program point L726(lines 726 739) no Hoare annotation was computed. [2020-07-21 10:37:40,031 INFO L264 CegarLoopResult]: At program point L718(line 718) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,032 INFO L268 CegarLoopResult]: For program point L716(lines 716 722) no Hoare annotation was computed. [2020-07-21 10:37:40,032 INFO L268 CegarLoopResult]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2020-07-21 10:37:40,032 INFO L264 CegarLoopResult]: At program point L741(lines 696 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,032 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:37:40,032 INFO L268 CegarLoopResult]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2020-07-21 10:37:40,032 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-07-21 10:37:40,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:37:40,033 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 10:37:40,034 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 10:37:40,035 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 10:37:40,035 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:37:40,035 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:37:40,035 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:37:40,035 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:37:40,036 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:37:40,036 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 10:37:40,036 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 10:37:40,036 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:37:40,036 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 10:37:40,036 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 853 862) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 853 862) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 853 862) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 569 576) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 569 576) no Hoare annotation was computed. [2020-07-21 10:37:40,037 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 569 576) no Hoare annotation was computed. [2020-07-21 10:37:40,038 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2020-07-21 10:37:40,038 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:37:40,038 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:37:40,038 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:40,039 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:37:40,039 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:40,039 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2020-07-21 10:37:40,040 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-07-21 10:37:40,040 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-07-21 10:37:40,040 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 451 459) no Hoare annotation was computed. [2020-07-21 10:37:40,041 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-07-21 10:37:40,041 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-07-21 10:37:40,041 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:40,041 INFO L264 CegarLoopResult]: At program point L525(line 525) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:40,041 INFO L264 CegarLoopResult]: At program point L523(lines 523 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:40,041 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2020-07-21 10:37:40,041 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2020-07-21 10:37:40,042 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:40,042 INFO L268 CegarLoopResult]: For program point L516(lines 515 534) no Hoare annotation was computed. [2020-07-21 10:37:40,042 INFO L268 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2020-07-21 10:37:40,042 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2020-07-21 10:37:40,042 INFO L271 CegarLoopResult]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2020-07-21 10:37:40,042 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-07-21 10:37:40,042 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2020-07-21 10:37:40,042 INFO L271 CegarLoopResult]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2020-07-21 10:37:40,043 INFO L271 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: true [2020-07-21 10:37:40,043 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-21 10:37:40,043 INFO L271 CegarLoopResult]: At program point L779(lines 754 783) the Hoare annotation is: true [2020-07-21 10:37:40,043 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-07-21 10:37:40,044 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-07-21 10:37:40,045 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-07-21 10:37:40,045 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-07-21 10:37:40,046 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2020-07-21 10:37:40,046 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2020-07-21 10:37:40,046 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:37:40,047 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:37:40,047 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:37:40,047 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:37:40,047 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-07-21 10:37:40,047 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-07-21 10:37:40,047 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:37:40,047 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2020-07-21 10:37:40,048 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2020-07-21 10:37:40,048 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2020-07-21 10:37:40,048 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2020-07-21 10:37:40,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:37:40 BoogieIcfgContainer [2020-07-21 10:37:40,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:37:40,074 INFO L168 Benchmark]: Toolchain (without parser) took 6143.23 ms. Allocated memory was 136.8 MB in the beginning and 295.7 MB in the end (delta: 158.9 MB). Free memory was 99.9 MB in the beginning and 207.7 MB in the end (delta: -107.8 MB). Peak memory consumption was 130.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:40,076 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:37:40,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.70 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.5 MB in the beginning and 172.1 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:40,081 INFO L168 Benchmark]: Boogie Preprocessor took 84.81 ms. Allocated memory is still 201.9 MB. Free memory was 172.1 MB in the beginning and 167.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:40,082 INFO L168 Benchmark]: RCFGBuilder took 1197.32 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 167.8 MB in the beginning and 199.1 MB in the end (delta: -31.3 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:40,086 INFO L168 Benchmark]: TraceAbstraction took 4119.04 ms. Allocated memory was 231.2 MB in the beginning and 295.7 MB in the end (delta: 64.5 MB). Free memory was 199.1 MB in the beginning and 207.7 MB in the end (delta: -8.6 MB). Peak memory consumption was 135.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:37:40,096 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.70 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.5 MB in the beginning and 172.1 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.81 ms. Allocated memory is still 201.9 MB. Free memory was 172.1 MB in the beginning and 167.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1197.32 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 167.8 MB in the beginning and 199.1 MB in the end (delta: -31.3 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4119.04 ms. Allocated memory was 231.2 MB in the beginning and 295.7 MB in the end (delta: 64.5 MB). Free memory was 199.1 MB in the beginning and 207.7 MB in the end (delta: -8.6 MB). Peak memory consumption was 135.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 604 SDtfs, 210 SDslu, 773 SDs, 0 SdLazy, 121 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 322 PreInvPairs, 337 NumberOfFragments, 521 HoareAnnotationTreeSize, 322 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 548 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25933 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3321 ConjunctsInSsa, 40 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...