/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -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 0.1.25-86f66a4 [2020-07-07 10:45:44,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:45:44,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:45:44,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:45:44,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:45:44,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:45:44,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:45:44,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:45:44,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:45:44,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:45:44,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:45:44,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:45:44,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:45:44,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:45:44,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:45:44,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:45:44,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:45:44,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:45:44,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:45:44,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:45:44,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:45:44,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:45:44,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:45:44,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:45:44,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:45:44,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:45:44,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:45:44,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:45:44,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:45:44,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:45:44,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:45:44,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:45:44,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:45:44,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:45:44,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:45:44,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:45:44,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:45:44,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:45:44,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:45:44,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:45:44,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:45:44,852 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 [2020-07-07 10:45:44,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:45:44,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:45:44,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:45:44,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:45:44,885 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:45:44,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:45:44,885 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:45:44,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:45:44,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:45:44,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:45:44,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:45:44,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:45:44,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:45:44,887 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:45:44,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:45:44,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:45:44,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:45:44,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:45:44,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:45:44,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:45:44,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:45:44,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:45:44,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:45:44,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:45:44,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:45:44,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:45:44,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:45:44,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:45:44,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:45:44,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:45:45,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:45:45,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:45:45,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:45:45,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:45:45,191 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:45:45,192 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-07-07 10:45:45,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094ba79e7/f30d54da637b4c06b90f94147ccefb8c/FLAGe2b3f69d7 [2020-07-07 10:45:45,820 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:45:45,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-07-07 10:45:45,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094ba79e7/f30d54da637b4c06b90f94147ccefb8c/FLAGe2b3f69d7 [2020-07-07 10:45:46,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094ba79e7/f30d54da637b4c06b90f94147ccefb8c [2020-07-07 10:45:46,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:45:46,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:45:46,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:46,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:45:46,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:45:46,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de56935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46, skipping insertion in model container [2020-07-07 10:45:46,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:45:46,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:45:46,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:46,655 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:45:46,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:46,795 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:45:46,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46 WrapperNode [2020-07-07 10:45:46,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:46,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:45:46,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:45:46,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:45:46,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:45:46,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:45:46,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:45:46,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:45:46,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (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 [2020-07-07 10:45:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:45:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:45:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:45:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:45:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:45:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:45:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:45:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:45:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:45:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:45:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:45:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:45:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:45:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:45:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:45:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:45:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:45:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:45:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:45:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:45:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:45:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:45:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:45:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:45:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:45:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:45:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:45:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:45:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:45:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:45:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:45:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:45:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:45:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:45:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:45:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:45:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:45:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:45:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:45:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:45:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:45:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:45:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:45:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:45:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:45:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:45:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:45:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:45:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:45:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:45:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:45:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:45:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:45:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:45:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:45:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:45:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:45:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:45:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:45:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:45:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:45:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:45:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:45:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:45:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:45:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:45:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:45:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:45:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:45:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:45:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:45:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:45:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:45:46,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:45:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:45:48,062 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:45:48,062 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:45:48,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:48 BoogieIcfgContainer [2020-07-07 10:45:48,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:45:48,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:45:48,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:45:48,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:45:48,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:45:46" (1/3) ... [2020-07-07 10:45:48,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387d8d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:48, skipping insertion in model container [2020-07-07 10:45:48,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (2/3) ... [2020-07-07 10:45:48,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387d8d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:48, skipping insertion in model container [2020-07-07 10:45:48,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:48" (3/3) ... [2020-07-07 10:45:48,076 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-07-07 10:45:48,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:45:48,095 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:45:48,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:45:48,135 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:45:48,135 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:45:48,136 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:45:48,136 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:45:48,136 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:45:48,136 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:45:48,136 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:45:48,137 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:45:48,161 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-07-07 10:45:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:45:48,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:48,172 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] [2020-07-07 10:45:48,173 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:48,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:48,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1827738968, now seen corresponding path program 1 times [2020-07-07 10:45:48,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:48,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187759444] [2020-07-07 10:45:48,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,859 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:48,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187759444] [2020-07-07 10:45:48,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:48,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:45:48,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602927555] [2020-07-07 10:45:48,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:45:48,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:48,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:45:48,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:48,975 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-07-07 10:45:50,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:50,047 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-07-07 10:45:50,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:45:50,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:45:50,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:50,065 INFO L225 Difference]: With dead ends: 261 [2020-07-07 10:45:50,065 INFO L226 Difference]: Without dead ends: 142 [2020-07-07 10:45:50,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:50,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-07 10:45:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-07-07 10:45:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-07 10:45:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-07 10:45:50,153 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-07 10:45:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:50,157 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-07 10:45:50,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:45:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-07 10:45:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:45:50,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:50,161 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] [2020-07-07 10:45:50,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:45:50,162 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:50,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:50,162 INFO L82 PathProgramCache]: Analyzing trace with hash 622240591, now seen corresponding path program 1 times [2020-07-07 10:45:50,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:50,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210375373] [2020-07-07 10:45:50,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,479 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:50,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210375373] [2020-07-07 10:45:50,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:50,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:45:50,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329279091] [2020-07-07 10:45:50,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:45:50,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:50,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:45:50,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:45:50,552 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-07-07 10:45:50,998 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:51,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:51,638 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-07-07 10:45:51,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:45:51,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:45:51,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:51,643 INFO L225 Difference]: With dead ends: 188 [2020-07-07 10:45:51,643 INFO L226 Difference]: Without dead ends: 126 [2020-07-07 10:45:51,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:45:51,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-07 10:45:51,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-07-07 10:45:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-07 10:45:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-07 10:45:51,679 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-07 10:45:51,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:51,680 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-07 10:45:51,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:45:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-07 10:45:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:45:51,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:51,682 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] [2020-07-07 10:45:51,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:45:51,683 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:51,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:51,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1297415431, now seen corresponding path program 1 times [2020-07-07 10:45:51,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:51,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324552808] [2020-07-07 10:45:51,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,055 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:52,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324552808] [2020-07-07 10:45:52,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:52,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:45:52,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536460267] [2020-07-07 10:45:52,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:45:52,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:52,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:45:52,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:45:52,132 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2020-07-07 10:45:52,486 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:52,774 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:53,012 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:53,261 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:53,971 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:55,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:55,247 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2020-07-07 10:45:55,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:45:55,248 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-07 10:45:55,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:55,253 INFO L225 Difference]: With dead ends: 351 [2020-07-07 10:45:55,253 INFO L226 Difference]: Without dead ends: 274 [2020-07-07 10:45:55,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:55,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-07 10:45:55,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2020-07-07 10:45:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-07 10:45:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2020-07-07 10:45:55,351 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2020-07-07 10:45:55,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:55,351 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2020-07-07 10:45:55,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:45:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2020-07-07 10:45:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:45:55,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:55,354 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] [2020-07-07 10:45:55,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:45:55,355 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:55,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:55,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1649615923, now seen corresponding path program 1 times [2020-07-07 10:45:55,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:55,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050996114] [2020-07-07 10:45:55,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,665 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:55,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050996114] [2020-07-07 10:45:55,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:55,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:45:55,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435923023] [2020-07-07 10:45:55,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:45:55,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:55,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:45:55,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:55,795 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 12 states. [2020-07-07 10:45:56,239 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:56,571 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:56,805 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:57,035 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:57,537 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:58,392 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:58,723 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:59,000 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:59,263 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:59,516 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:59,827 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:00,124 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:00,442 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:01,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:01,642 INFO L93 Difference]: Finished difference Result 871 states and 1174 transitions. [2020-07-07 10:46:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:46:01,643 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:46:01,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:01,653 INFO L225 Difference]: With dead ends: 871 [2020-07-07 10:46:01,653 INFO L226 Difference]: Without dead ends: 675 [2020-07-07 10:46:01,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:46:01,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-07-07 10:46:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 582. [2020-07-07 10:46:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-07-07 10:46:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 724 transitions. [2020-07-07 10:46:01,792 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 724 transitions. Word has length 57 [2020-07-07 10:46:01,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:01,792 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 724 transitions. [2020-07-07 10:46:01,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 724 transitions. [2020-07-07 10:46:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:46:01,797 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:01,797 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] [2020-07-07 10:46:01,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:46:01,798 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:01,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:01,798 INFO L82 PathProgramCache]: Analyzing trace with hash 671694067, now seen corresponding path program 1 times [2020-07-07 10:46:01,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:01,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612536752] [2020-07-07 10:46:01,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,091 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:46:02,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612536752] [2020-07-07 10:46:02,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:02,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:46:02,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251540839] [2020-07-07 10:46:02,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:46:02,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:02,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:46:02,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:46:02,192 INFO L87 Difference]: Start difference. First operand 582 states and 724 transitions. Second operand 6 states. [2020-07-07 10:46:02,511 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:03,296 INFO L93 Difference]: Finished difference Result 973 states and 1255 transitions. [2020-07-07 10:46:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:46:03,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:46:03,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:03,303 INFO L225 Difference]: With dead ends: 973 [2020-07-07 10:46:03,304 INFO L226 Difference]: Without dead ends: 415 [2020-07-07 10:46:03,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:46:03,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-07-07 10:46:03,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2020-07-07 10:46:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-07 10:46:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2020-07-07 10:46:03,385 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2020-07-07 10:46:03,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:03,386 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2020-07-07 10:46:03,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:46:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2020-07-07 10:46:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:46:03,389 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:03,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:46:03,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:46:03,390 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:03,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:03,390 INFO L82 PathProgramCache]: Analyzing trace with hash -511342643, now seen corresponding path program 1 times [2020-07-07 10:46:03,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:03,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447242498] [2020-07-07 10:46:03,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,712 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 10:46:03,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447242498] [2020-07-07 10:46:03,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090991639] [2020-07-07 10:46:03,873 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:46:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:04,063 INFO L264 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:46:04,074 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:46:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:46:04,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:46:04,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:46:04,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926844447] [2020-07-07 10:46:04,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:04,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:04,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:04,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:04,206 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 12 states. [2020-07-07 10:46:04,793 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:46:05,379 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:06,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:06,234 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2020-07-07 10:46:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:46:06,235 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-07 10:46:06,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:06,235 INFO L225 Difference]: With dead ends: 522 [2020-07-07 10:46:06,236 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:46:06,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:46:06,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:46:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:46:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:46:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:46:06,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-07-07 10:46:06,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:06,239 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:46:06,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:46:06,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:46:06,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:46:06,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:46:06,635 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 219 [2020-07-07 10:46:09,883 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:46:10,435 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:10,785 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:11,135 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:11,272 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:46:11,626 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:12,039 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:12,639 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-07 10:46:12,774 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:13,409 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-07 10:46:13,681 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:14,051 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:14,673 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:46:14,818 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:15,420 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:46:15,809 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:16,265 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:16,621 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:17,020 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:17,689 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:18,336 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:46:18,374 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:46:18,375 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-07 10:46:18,376 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:46:18,377 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-07 10:46:18,377 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2020-07-07 10:46:18,377 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-07 10:46:18,377 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-07 10:46:18,377 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2020-07-07 10:46:18,378 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-07 10:46:18,378 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:18,378 INFO L268 CegarLoopResult]: For program point L897-1(line 897) no Hoare annotation was computed. [2020-07-07 10:46:18,378 INFO L268 CegarLoopResult]: For program point L895(lines 895 908) no Hoare annotation was computed. [2020-07-07 10:46:18,378 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2020-07-07 10:46:18,378 INFO L268 CegarLoopResult]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2020-07-07 10:46:18,378 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-07-07 10:46:18,378 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-07-07 10:46:18,379 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2020-07-07 10:46:18,379 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:18,379 INFO L268 CegarLoopResult]: For program point L899(lines 899 905) no Hoare annotation was computed. [2020-07-07 10:46:18,379 INFO L264 CegarLoopResult]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:18,379 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:18,379 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2020-07-07 10:46:18,380 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2020-07-07 10:46:18,380 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:18,380 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:18,380 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-07 10:46:18,380 INFO L268 CegarLoopResult]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2020-07-07 10:46:18,380 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-07-07 10:46:18,381 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:18,381 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:18,381 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-07 10:46:18,381 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-07 10:46:18,381 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 784 807) no Hoare annotation was computed. [2020-07-07 10:46:18,381 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-07 10:46:18,381 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-07 10:46:18,382 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-07 10:46:18,382 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 784 807) no Hoare annotation was computed. [2020-07-07 10:46:18,382 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-07 10:46:18,382 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 784 807) no Hoare annotation was computed. [2020-07-07 10:46:18,382 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-07 10:46:18,382 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-07 10:46:18,382 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:18,383 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-07-07 10:46:18,383 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:18,384 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-07-07 10:46:18,384 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-07-07 10:46:18,384 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-07-07 10:46:18,384 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-07-07 10:46:18,384 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-07-07 10:46:18,384 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-07-07 10:46:18,384 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-07-07 10:46:18,384 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-07-07 10:46:18,385 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-07-07 10:46:18,385 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-07-07 10:46:18,385 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-07-07 10:46:18,385 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-07 10:46:18,385 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-07 10:46:18,385 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-07-07 10:46:18,385 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-07-07 10:46:18,386 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-07-07 10:46:18,386 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-07-07 10:46:18,386 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-07-07 10:46:18,386 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-07-07 10:46:18,386 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-07-07 10:46:18,386 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2020-07-07 10:46:18,386 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2020-07-07 10:46:18,386 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:46:18,387 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:18,388 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2020-07-07 10:46:18,388 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2020-07-07 10:46:18,388 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-07-07 10:46:18,388 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-07 10:46:18,388 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-07 10:46:18,388 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-07-07 10:46:18,388 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-07-07 10:46:18,388 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-07-07 10:46:18,389 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-07-07 10:46:18,389 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-07-07 10:46:18,389 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2020-07-07 10:46:18,389 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:18,389 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:18,389 INFO L268 CegarLoopResult]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2020-07-07 10:46:18,389 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:18,390 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:18,390 INFO L268 CegarLoopResult]: For program point L552(lines 552 560) no Hoare annotation was computed. [2020-07-07 10:46:18,390 INFO L264 CegarLoopResult]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:18,390 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-07 10:46:18,390 INFO L268 CegarLoopResult]: For program point L548(lines 548 565) no Hoare annotation was computed. [2020-07-07 10:46:18,390 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2020-07-07 10:46:18,391 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2020-07-07 10:46:18,391 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-07-07 10:46:18,391 INFO L264 CegarLoopResult]: At program point testENTRY(lines 686 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:18,391 INFO L268 CegarLoopResult]: For program point L698(lines 698 702) no Hoare annotation was computed. [2020-07-07 10:46:18,391 INFO L268 CegarLoopResult]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2020-07-07 10:46:18,391 INFO L264 CegarLoopResult]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:18,392 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-07 10:46:18,392 INFO L268 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-07-07 10:46:18,392 INFO L264 CegarLoopResult]: At program point L732-1(lines 726 739) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:18,392 INFO L268 CegarLoopResult]: For program point L697(lines 696 743) no Hoare annotation was computed. [2020-07-07 10:46:18,392 INFO L268 CegarLoopResult]: For program point L726(lines 726 739) no Hoare annotation was computed. [2020-07-07 10:46:18,392 INFO L264 CegarLoopResult]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:18,392 INFO L268 CegarLoopResult]: For program point L716(lines 716 722) no Hoare annotation was computed. [2020-07-07 10:46:18,393 INFO L268 CegarLoopResult]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2020-07-07 10:46:18,393 INFO L264 CegarLoopResult]: At program point L741(lines 696 743) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:18,393 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-07 10:46:18,393 INFO L268 CegarLoopResult]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2020-07-07 10:46:18,393 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-07-07 10:46:18,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:46:18,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:46:18,393 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-07-07 10:46:18,394 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-07 10:46:18,395 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:46:18,396 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-07 10:46:18,397 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-07 10:46:18,397 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 853 862) no Hoare annotation was computed. [2020-07-07 10:46:18,397 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 853 862) no Hoare annotation was computed. [2020-07-07 10:46:18,397 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 853 862) no Hoare annotation was computed. [2020-07-07 10:46:18,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:18,397 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:46:18,398 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:18,398 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 569 576) no Hoare annotation was computed. [2020-07-07 10:46:18,398 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 569 576) no Hoare annotation was computed. [2020-07-07 10:46:18,398 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 569 576) no Hoare annotation was computed. [2020-07-07 10:46:18,398 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2020-07-07 10:46:18,398 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-07 10:46:18,398 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-07 10:46:18,399 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:18,399 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:18,399 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:18,399 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:18,399 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-07-07 10:46:18,399 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-07-07 10:46:18,399 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 451 459) no Hoare annotation was computed. [2020-07-07 10:46:18,400 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-07-07 10:46:18,400 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-07-07 10:46:18,400 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:18,400 INFO L264 CegarLoopResult]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:46:18,400 INFO L264 CegarLoopResult]: At program point L523(lines 523 529) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:18,400 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2020-07-07 10:46:18,401 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2020-07-07 10:46:18,401 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:18,401 INFO L268 CegarLoopResult]: For program point L516(lines 515 534) no Hoare annotation was computed. [2020-07-07 10:46:18,401 INFO L268 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2020-07-07 10:46:18,401 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2020-07-07 10:46:18,401 INFO L271 CegarLoopResult]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2020-07-07 10:46:18,401 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-07-07 10:46:18,402 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2020-07-07 10:46:18,402 INFO L271 CegarLoopResult]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2020-07-07 10:46:18,402 INFO L271 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: true [2020-07-07 10:46:18,402 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-07 10:46:18,402 INFO L271 CegarLoopResult]: At program point L779(lines 754 783) the Hoare annotation is: true [2020-07-07 10:46:18,402 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-07-07 10:46:18,402 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-07-07 10:46:18,402 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-07-07 10:46:18,403 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-07-07 10:46:18,403 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2020-07-07 10:46:18,403 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2020-07-07 10:46:18,403 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:18,403 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:46:18,403 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:18,403 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:18,404 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-07-07 10:46:18,404 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-07-07 10:46:18,404 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:18,404 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2020-07-07 10:46:18,404 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2020-07-07 10:46:18,404 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2020-07-07 10:46:18,405 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2020-07-07 10:46:18,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:18 BoogieIcfgContainer [2020-07-07 10:46:18,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:18,426 INFO L168 Benchmark]: Toolchain (without parser) took 32323.96 ms. Allocated memory was 138.9 MB in the beginning and 680.0 MB in the end (delta: 541.1 MB). Free memory was 103.2 MB in the beginning and 265.1 MB in the end (delta: -161.9 MB). Peak memory consumption was 532.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:18,426 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:46:18,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.76 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 172.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:18,428 INFO L168 Benchmark]: Boogie Preprocessor took 84.36 ms. Allocated memory is still 203.4 MB. Free memory was 172.9 MB in the beginning and 168.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:18,429 INFO L168 Benchmark]: RCFGBuilder took 1186.17 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.9 MB in the beginning and 200.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:18,429 INFO L168 Benchmark]: TraceAbstraction took 30355.05 ms. Allocated memory was 237.0 MB in the beginning and 680.0 MB in the end (delta: 443.0 MB). Free memory was 199.0 MB in the beginning and 265.1 MB in the end (delta: -66.1 MB). Peak memory consumption was 530.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:18,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 692.76 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 172.9 MB in the end (delta: -70.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.36 ms. Allocated memory is still 203.4 MB. Free memory was 172.9 MB in the beginning and 168.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1186.17 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.9 MB in the beginning and 200.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30355.05 ms. Allocated memory was 237.0 MB in the beginning and 680.0 MB in the end (delta: 443.0 MB). Free memory was 199.0 MB in the beginning and 265.1 MB in the end (delta: -66.1 MB). Peak memory consumption was 530.4 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(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - 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: 18.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 568 SDtfs, 1333 SDslu, 544 SDs, 0 SdLazy, 2805 SolverSat, 864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1010 HoareAnnotationTreeSize, 618 FomulaSimplifications, 69389 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 52 FomulaSimplificationsInter, 18970 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 122425 SizeOfPredicates, 3 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 37/46 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...