/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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:34:16,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:34:16,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:34:16,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:34:16,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:34:16,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:34:16,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:34:16,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:34:16,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:34:16,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:34:16,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:34:16,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:34:16,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:34:16,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:34:16,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:34:16,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:34:16,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:34:16,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:34:16,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:34:16,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:34:16,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:34:16,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:34:16,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:34:16,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:34:16,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:34:16,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:34:16,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:34:16,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:34:16,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:34:16,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:34:16,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:34:16,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:34:16,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:34:16,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:34:16,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:34:16,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:34:16,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:34:16,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:34:16,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:34:16,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:34:16,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:34:16,841 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 [2020-07-17 11:34:16,872 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:34:16,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:34:16,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:34:16,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:34:16,874 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:34:16,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:34:16,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:34:16,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:34:16,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:34:16,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:34:16,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:34:16,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:34:16,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:34:16,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:34:16,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:34:16,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:34:16,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:34:16,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:34:16,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:34:16,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:34:16,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:34:16,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:34:16,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:34:16,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:34:16,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:34:16,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:34:16,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:34:16,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:34:16,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:34:16,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:34:17,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:34:17,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:34:17,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:34:17,196 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:34:17,196 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:34:17,197 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-07-17 11:34:17,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c835478d/43bd45c165c14b1290d31447a5ad8eba/FLAG671f3b716 [2020-07-17 11:34:17,712 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:34:17,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2020-07-17 11:34:17,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c835478d/43bd45c165c14b1290d31447a5ad8eba/FLAG671f3b716 [2020-07-17 11:34:18,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c835478d/43bd45c165c14b1290d31447a5ad8eba [2020-07-17 11:34:18,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:34:18,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:34:18,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:34:18,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:34:18,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:34:18,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbe310f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18, skipping insertion in model container [2020-07-17 11:34:18,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:34:18,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:34:18,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:34:18,571 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:34:18,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:34:18,823 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:34:18,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18 WrapperNode [2020-07-17 11:34:18,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:34:18,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:34:18,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:34:18,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:34:18,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (1/1) ... [2020-07-17 11:34:18,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:34:18,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:34:18,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:34:18,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:34:18,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (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 [2020-07-17 11:34:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:34:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:34:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:34:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:34:18,998 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:34:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:34:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:34:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:34:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:34:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:34:18,999 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:34:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:34:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:34:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:34:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:34:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:34:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:34:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:34:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:34:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:34:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:34:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:34:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:34:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:34:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:34:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:34:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:34:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:34:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:34:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:34:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:34:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:34:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:34:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:34:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:34:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:34:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:34:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:34:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:34:20,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:34:20,047 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:34:20,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:34:20 BoogieIcfgContainer [2020-07-17 11:34:20,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:34:20,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:34:20,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:34:20,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:34:20,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:34:18" (1/3) ... [2020-07-17 11:34:20,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a61126e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:34:20, skipping insertion in model container [2020-07-17 11:34:20,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:18" (2/3) ... [2020-07-17 11:34:20,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a61126e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:34:20, skipping insertion in model container [2020-07-17 11:34:20,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:34:20" (3/3) ... [2020-07-17 11:34:20,060 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2020-07-17 11:34:20,070 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:34:20,078 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:34:20,092 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:34:20,117 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:34:20,117 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:34:20,117 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:34:20,118 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:34:20,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:34:20,118 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:34:20,118 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:34:20,118 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:34:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-17 11:34:20,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:34:20,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:20,152 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] [2020-07-17 11:34:20,153 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:20,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:20,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1185825638, now seen corresponding path program 1 times [2020-07-17 11:34:20,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:20,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169094784] [2020-07-17 11:34:20,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,782 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:20,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169094784] [2020-07-17 11:34:20,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:20,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:34:20,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243031541] [2020-07-17 11:34:20,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:34:20,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:20,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:34:20,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:34:20,926 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2020-07-17 11:34:22,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:22,097 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-07-17 11:34:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:34:22,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:34:22,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:22,114 INFO L225 Difference]: With dead ends: 294 [2020-07-17 11:34:22,114 INFO L226 Difference]: Without dead ends: 159 [2020-07-17 11:34:22,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:34:22,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-17 11:34:22,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-07-17 11:34:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-17 11:34:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-17 11:34:22,219 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-07-17 11:34:22,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:22,220 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-17 11:34:22,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:34:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-17 11:34:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:34:22,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:22,227 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] [2020-07-17 11:34:22,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:34:22,228 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:22,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:22,228 INFO L82 PathProgramCache]: Analyzing trace with hash 64634253, now seen corresponding path program 1 times [2020-07-17 11:34:22,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:22,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572456506] [2020-07-17 11:34:22,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,629 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:22,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572456506] [2020-07-17 11:34:22,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:22,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:34:22,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048298860] [2020-07-17 11:34:22,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:34:22,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:22,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:34:22,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:34:22,673 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2020-07-17 11:34:23,104 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:34:23,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:23,827 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2020-07-17 11:34:23,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:34:23,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:34:23,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:23,833 INFO L225 Difference]: With dead ends: 223 [2020-07-17 11:34:23,833 INFO L226 Difference]: Without dead ends: 143 [2020-07-17 11:34:23,837 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 [2020-07-17 11:34:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-17 11:34:23,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-07-17 11:34:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-17 11:34:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-07-17 11:34:23,883 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-07-17 11:34:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:23,883 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-07-17 11:34:23,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:34:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-07-17 11:34:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:34:23,885 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:23,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:34:23,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:34:23,886 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:23,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:23,886 INFO L82 PathProgramCache]: Analyzing trace with hash -974818796, now seen corresponding path program 1 times [2020-07-17 11:34:23,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:23,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350211062] [2020-07-17 11:34:23,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,213 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:24,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350211062] [2020-07-17 11:34:24,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:24,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:34:24,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203290322] [2020-07-17 11:34:24,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:34:24,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:24,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:34:24,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:34:24,342 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 8 states. [2020-07-17 11:34:24,702 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:25,003 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:25,290 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:25,533 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:26,654 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-07-17 11:34:26,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:34:26,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-17 11:34:26,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:26,657 INFO L225 Difference]: With dead ends: 236 [2020-07-17 11:34:26,657 INFO L226 Difference]: Without dead ends: 143 [2020-07-17 11:34:26,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:34:26,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-17 11:34:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-07-17 11:34:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-17 11:34:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-07-17 11:34:26,695 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-07-17 11:34:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:26,696 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-07-17 11:34:26,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:34:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-07-17 11:34:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 11:34:26,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:26,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:34:26,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:34:26,699 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:26,700 INFO L82 PathProgramCache]: Analyzing trace with hash 2068919848, now seen corresponding path program 1 times [2020-07-17 11:34:26,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:26,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926813876] [2020-07-17 11:34:26,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,055 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:27,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926813876] [2020-07-17 11:34:27,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:27,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:34:27,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559322778] [2020-07-17 11:34:27,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:34:27,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:27,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:34:27,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:34:27,155 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 12 states. [2020-07-17 11:34:27,675 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:28,004 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:28,253 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:28,495 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:29,022 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:34:30,319 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:30,705 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:31,000 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:31,257 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:34:31,522 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:31,826 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:32,106 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:32,372 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:33,463 INFO L93 Difference]: Finished difference Result 458 states and 603 transitions. [2020-07-17 11:34:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:34:33,468 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-07-17 11:34:33,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:33,472 INFO L225 Difference]: With dead ends: 458 [2020-07-17 11:34:33,472 INFO L226 Difference]: Without dead ends: 365 [2020-07-17 11:34:33,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:34:33,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-07-17 11:34:33,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 292. [2020-07-17 11:34:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-07-17 11:34:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 346 transitions. [2020-07-17 11:34:33,553 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 346 transitions. Word has length 65 [2020-07-17 11:34:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:33,553 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 346 transitions. [2020-07-17 11:34:33,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:34:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2020-07-17 11:34:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-17 11:34:33,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:33,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:34:33,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:34:33,557 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:33,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:33,558 INFO L82 PathProgramCache]: Analyzing trace with hash 425688904, now seen corresponding path program 1 times [2020-07-17 11:34:33,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:33,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339529997] [2020-07-17 11:34:33,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,806 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:33,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339529997] [2020-07-17 11:34:33,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:33,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:34:33,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912493455] [2020-07-17 11:34:33,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:34:33,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:33,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:34:33,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:34:33,918 INFO L87 Difference]: Start difference. First operand 292 states and 346 transitions. Second operand 6 states. [2020-07-17 11:34:34,267 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:34,824 INFO L93 Difference]: Finished difference Result 459 states and 563 transitions. [2020-07-17 11:34:34,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:34:34,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-07-17 11:34:34,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:34,827 INFO L225 Difference]: With dead ends: 459 [2020-07-17 11:34:34,827 INFO L226 Difference]: Without dead ends: 191 [2020-07-17 11:34:34,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:34:34,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-17 11:34:34,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2020-07-17 11:34:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-17 11:34:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2020-07-17 11:34:34,868 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 73 [2020-07-17 11:34:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:34,869 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2020-07-17 11:34:34,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:34:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2020-07-17 11:34:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-17 11:34:34,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:34,871 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, 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] [2020-07-17 11:34:34,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:34:34,872 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:34,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:34,872 INFO L82 PathProgramCache]: Analyzing trace with hash 490046148, now seen corresponding path program 1 times [2020-07-17 11:34:34,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:34,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853521224] [2020-07-17 11:34:34,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,129 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-17 11:34:35,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853521224] [2020-07-17 11:34:35,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2521396] [2020-07-17 11:34:35,293 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 [2020-07-17 11:34:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:35,490 INFO L264 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-17 11:34:35,501 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:34:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:34:35,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:34:35,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-17 11:34:35,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718802112] [2020-07-17 11:34:35,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:34:35,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:35,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:34:35,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:34:35,630 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand 12 states. [2020-07-17 11:34:36,311 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 11:34:36,823 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:37,440 INFO L93 Difference]: Finished difference Result 240 states and 272 transitions. [2020-07-17 11:34:37,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:34:37,440 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2020-07-17 11:34:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:37,441 INFO L225 Difference]: With dead ends: 240 [2020-07-17 11:34:37,441 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:34:37,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:34:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:34:37,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:34:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:34:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:34:37,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2020-07-17 11:34:37,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:37,444 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:34:37,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:34:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:34:37,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:34:37,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-17 11:34:37,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:34:38,155 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 212 [2020-07-17 11:34:38,258 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 215 [2020-07-17 11:34:40,187 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-17 11:34:40,528 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:41,000 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-17 11:34:41,241 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-17 11:34:41,463 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 24 [2020-07-17 11:34:41,588 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-17 11:34:41,958 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:42,082 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-17 11:34:42,425 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:43,030 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-07-17 11:34:43,239 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:43,846 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-17 11:34:44,016 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-17 11:34:44,679 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-17 11:34:44,928 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-17 11:34:45,546 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-17 11:34:46,128 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-07-17 11:34:46,301 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-17 11:34:46,941 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-17 11:34:47,426 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-17 11:34:47,781 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-17 11:34:48,152 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-17 11:34:48,488 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:48,655 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-17 11:34:48,980 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:49,195 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-17 11:34:49,784 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-17 11:34:50,242 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:50,277 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-07-17 11:34:50,277 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-07-17 11:34:50,277 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-17 11:34:50,277 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-07-17 11:34:50,278 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-07-17 11:34:50,278 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-17 11:34:50,278 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-07-17 11:34:50,278 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-07-17 11:34:50,278 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-07-17 11:34:50,279 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-07-17 11:34:50,279 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-07-17 11:34:50,279 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-07-17 11:34:50,279 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-17 11:34:50,279 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-17 11:34:50,279 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-07-17 11:34:50,279 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-07-17 11:34:50,280 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-07-17 11:34:50,280 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-07-17 11:34:50,280 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2020-07-17 11:34:50,280 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2020-07-17 11:34:50,280 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2020-07-17 11:34:50,280 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2020-07-17 11:34:50,281 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2020-07-17 11:34:50,281 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2020-07-17 11:34:50,281 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,281 INFO L268 CegarLoopResult]: For program point L150(lines 150 156) no Hoare annotation was computed. [2020-07-17 11:34:50,281 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,281 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-07-17 11:34:50,282 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2020-07-17 11:34:50,282 INFO L268 CegarLoopResult]: For program point L146(lines 146 159) no Hoare annotation was computed. [2020-07-17 11:34:50,282 INFO L268 CegarLoopResult]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2020-07-17 11:34:50,282 INFO L271 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: true [2020-07-17 11:34:50,282 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-07-17 11:34:50,282 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 881 903) 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))) [2020-07-17 11:34:50,282 INFO L264 CegarLoopResult]: At program point L893(line 893) 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) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:50,283 INFO L264 CegarLoopResult]: At program point L893-1(line 893) 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) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:50,283 INFO L268 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2020-07-17 11:34:50,283 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2020-07-17 11:34:50,283 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-17 11:34:50,283 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2020-07-17 11:34:50,283 INFO L264 CegarLoopResult]: At program point L888(line 888) 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))) [2020-07-17 11:34:50,284 INFO L264 CegarLoopResult]: At program point L887(line 887) 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))) [2020-07-17 11:34:50,284 INFO L264 CegarLoopResult]: At program point L887-1(line 887) 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))) [2020-07-17 11:34:50,284 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2020-07-17 11:34:50,284 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-07-17 11:34:50,284 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-07-17 11:34:50,284 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-07-17 11:34:50,284 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-17 11:34:50,285 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-17 11:34:50,286 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-17 11:34:50,286 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-17 11:34:50,286 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-17 11:34:50,286 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-17 11:34:50,286 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-17 11:34:50,286 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-17 11:34:50,287 INFO L268 CegarLoopResult]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2020-07-17 11:34:50,287 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,287 INFO L264 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,287 INFO L268 CegarLoopResult]: For program point L212(lines 212 220) no Hoare annotation was computed. [2020-07-17 11:34:50,287 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,287 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-07-17 11:34:50,287 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-17 11:34:50,288 INFO L268 CegarLoopResult]: For program point L208(lines 208 225) no Hoare annotation was computed. [2020-07-17 11:34:50,288 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2020-07-17 11:34:50,288 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2020-07-17 11:34:50,288 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2020-07-17 11:34:50,288 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2020-07-17 11:34:50,288 INFO L268 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-07-17 11:34:50,288 INFO L271 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: true [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-07-17 11:34:50,289 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-17 11:34:50,289 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 308 343) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-07-17 11:34:50,290 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-07-17 11:34:50,291 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-07-17 11:34:50,291 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-07-17 11:34:50,291 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-07-17 11:34:50,291 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-07-17 11:34:50,291 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-07-17 11:34:50,291 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-07-17 11:34:50,291 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 877) 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))) [2020-07-17 11:34:50,292 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2020-07-17 11:34:50,292 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2020-07-17 11:34:50,292 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2020-07-17 11:34:50,292 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2020-07-17 11:34:50,292 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2020-07-17 11:34:50,292 INFO L271 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: true [2020-07-17 11:34:50,292 INFO L268 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-07-17 11:34:50,292 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2020-07-17 11:34:50,293 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-07-17 11:34:50,293 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-07-17 11:34:50,293 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-17 11:34:50,293 INFO L268 CegarLoopResult]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2020-07-17 11:34:50,293 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2020-07-17 11:34:50,293 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,293 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-17 11:34:50,293 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,293 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-17 11:34:50,293 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-17 11:34:50,294 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-07-17 11:34:50,294 INFO L268 CegarLoopResult]: For program point L234(lines 234 251) no Hoare annotation was computed. [2020-07-17 11:34:50,294 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2020-07-17 11:34:50,294 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2020-07-17 11:34:50,294 INFO L268 CegarLoopResult]: For program point L384(lines 383 430) no Hoare annotation was computed. [2020-07-17 11:34:50,294 INFO L264 CegarLoopResult]: At program point testENTRY(lines 373 438) 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))) [2020-07-17 11:34:50,294 INFO L264 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-17 11:34:50,294 INFO L268 CegarLoopResult]: For program point L413(lines 413 426) no Hoare annotation was computed. [2020-07-17 11:34:50,294 INFO L268 CegarLoopResult]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2020-07-17 11:34:50,294 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-17 11:34:50,295 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-07-17 11:34:50,295 INFO L268 CegarLoopResult]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2020-07-17 11:34:50,295 INFO L264 CegarLoopResult]: At program point L428(lines 383 430) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-17 11:34:50,295 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-17 11:34:50,295 INFO L268 CegarLoopResult]: For program point L393(lines 393 399) no Hoare annotation was computed. [2020-07-17 11:34:50,295 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2020-07-17 11:34:50,295 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-07-17 11:34:50,295 INFO L264 CegarLoopResult]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:50,295 INFO L268 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-07-17 11:34:50,295 INFO L264 CegarLoopResult]: At program point L421-2(lines 413 426) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 255 262) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2020-07-17 11:34:50,296 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-07-17 11:34:50,297 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-17 11:34:50,298 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-07-17 11:34:50,299 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-07-17 11:34:50,299 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-17 11:34:50,299 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-07-17 11:34:50,299 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2020-07-17 11:34:50,299 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 906 915) no Hoare annotation was computed. [2020-07-17 11:34:50,299 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2020-07-17 11:34:50,299 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string59.base| |old(#t~string59.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~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point L268-1(line 268) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2020-07-17 11:34:50,300 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:50,301 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-17 11:34:50,301 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-17 11:34:50,302 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-17 11:34:50,303 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-17 11:34:50,303 INFO L264 CegarLoopResult]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-17 11:34:50,303 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-17 11:34:50,303 INFO L268 CegarLoopResult]: For program point L176(lines 175 194) no Hoare annotation was computed. [2020-07-17 11:34:50,303 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-17 11:34:50,303 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2020-07-17 11:34:50,303 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2020-07-17 11:34:50,303 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-07-17 11:34:50,303 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-07-17 11:34:50,303 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-07-17 11:34:50,303 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-17 11:34:50,304 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-17 11:34:50,304 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-07-17 11:34:50,304 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-17 11:34:50,304 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-07-17 11:34:50,304 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-07-17 11:34:50,304 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-17 11:34:50,304 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-17 11:34:50,304 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-17 11:34:50,304 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-17 11:34:50,305 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-07-17 11:34:50,305 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-07-17 11:34:50,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:50,305 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:34:50,305 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:34:50,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:50,305 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2020-07-17 11:34:50,305 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-17 11:34:50,305 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2020-07-17 11:34:50,305 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-17 11:34:50,305 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-17 11:34:50,306 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-17 11:34:50,306 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2020-07-17 11:34:50,306 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2020-07-17 11:34:50,306 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2020-07-17 11:34:50,306 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2020-07-17 11:34:50,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:34:50 BoogieIcfgContainer [2020-07-17 11:34:50,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:34:50,326 INFO L168 Benchmark]: Toolchain (without parser) took 32286.74 ms. Allocated memory was 146.3 MB in the beginning and 661.1 MB in the end (delta: 514.9 MB). Free memory was 101.7 MB in the beginning and 456.5 MB in the end (delta: -354.7 MB). Peak memory consumption was 513.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:50,327 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:34:50,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.14 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 174.0 MB in the end (delta: -72.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:50,328 INFO L168 Benchmark]: Boogie Preprocessor took 110.65 ms. Allocated memory is still 204.5 MB. Free memory was 174.0 MB in the beginning and 169.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:50,329 INFO L168 Benchmark]: RCFGBuilder took 1116.22 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.9 MB in the beginning and 197.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:50,330 INFO L168 Benchmark]: TraceAbstraction took 30271.14 ms. Allocated memory was 235.9 MB in the beginning and 661.1 MB in the end (delta: 425.2 MB). Free memory was 197.0 MB in the beginning and 456.5 MB in the end (delta: -259.5 MB). Peak memory consumption was 518.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:50,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.14 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.3 MB in the beginning and 174.0 MB in the end (delta: -72.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.65 ms. Allocated memory is still 204.5 MB. Free memory was 174.0 MB in the beginning and 169.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1116.22 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.9 MB in the beginning and 197.0 MB in the end (delta: -27.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30271.14 ms. Allocated memory was 235.9 MB in the beginning and 661.1 MB in the end (delta: 425.2 MB). Free memory was 197.0 MB in the beginning and 456.5 MB in the end (delta: -259.5 MB). Peak memory consumption was 518.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 599 SDtfs, 1235 SDslu, 416 SDs, 0 SdLazy, 2680 SolverSat, 843 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 303 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 424 PreInvPairs, 447 NumberOfFragments, 1237 HoareAnnotationTreeSize, 424 FomulaSimplifications, 49486 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 59 FomulaSimplificationsInter, 11363 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 503 NumberOfCodeBlocks, 503 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 146697 SizeOfPredicates, 3 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 65/74 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...