/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 15:27:52,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 15:27:52,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 15:27:52,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 15:27:52,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 15:27:52,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 15:27:52,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 15:27:52,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 15:27:52,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 15:27:52,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 15:27:52,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 15:27:52,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 15:27:52,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 15:27:52,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 15:27:52,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 15:27:52,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 15:27:53,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 15:27:53,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 15:27:53,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 15:27:53,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 15:27:53,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 15:27:53,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 15:27:53,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 15:27:53,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 15:27:53,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 15:27:53,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 15:27:53,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 15:27:53,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 15:27:53,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 15:27:53,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-02-21 15:27:53,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 15:27:53,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 15:27:53,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 15:27:53,045 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 [2021-02-21 15:27:53,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 15:27:53,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 15:27:53,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 15:27:53,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 15:27:53,074 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 15:27:53,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 15:27:53,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 15:27:53,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 15:27:53,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 15:27:53,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 15:27:53,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 15:27:53,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 15:27:53,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 15:27:53,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 15:27:53,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 15:27:53,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 15:27:53,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 15:27:53,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 15:27:53,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 15:27:53,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 15:27:53,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:27:53,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 15:27:53,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 15:27:53,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 15:27:53,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 15:27:53,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 15:27:53,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 15:27:53,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 15:27:53,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 15:27:53,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 15:27:53,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 15:27:53,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 15:27:53,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 15:27:53,501 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 15:27:53,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2021-02-21 15:27:53,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394af77c3/05d8314a41414a9f999563c04160ee18/FLAG2e22767a1 [2021-02-21 15:27:54,399 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 15:27:54,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2021-02-21 15:27:54,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394af77c3/05d8314a41414a9f999563c04160ee18/FLAG2e22767a1 [2021-02-21 15:27:54,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/394af77c3/05d8314a41414a9f999563c04160ee18 [2021-02-21 15:27:54,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 15:27:54,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 15:27:54,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 15:27:54,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 15:27:54,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 15:27:54,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:54" (1/1) ... [2021-02-21 15:27:54,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4c517d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:54, skipping insertion in model container [2021-02-21 15:27:54,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:27:54" (1/1) ... [2021-02-21 15:27:54,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 15:27:54,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 15:27:55,201 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c[17658,17671] [2021-02-21 15:27:55,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:27:55,226 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 15:27:55,373 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c[17658,17671] [2021-02-21 15:27:55,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:27:55,467 INFO L208 MainTranslator]: Completed translation [2021-02-21 15:27:55,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55 WrapperNode [2021-02-21 15:27:55,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 15:27:55,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 15:27:55,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 15:27:55,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 15:27:55,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2021-02-21 15:27:55,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2021-02-21 15:27:55,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2021-02-21 15:27:55,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2021-02-21 15:27:55,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2021-02-21 15:27:55,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2021-02-21 15:27:55,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (1/1) ... [2021-02-21 15:27:55,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 15:27:55,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 15:27:55,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 15:27:55,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 15:27:55,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (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 [2021-02-21 15:27:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 15:27:55,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 15:27:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 15:27:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 15:27:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 15:27:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 15:27:55,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 15:27:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 15:27:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 15:27:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 15:27:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 15:27:55,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 15:27:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 15:27:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 15:27:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 15:27:55,713 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 15:27:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 15:27:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 15:27:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 15:27:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 15:27:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 15:27:55,714 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 15:27:55,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 15:27:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-21 15:27:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-21 15:27:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 15:27:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-21 15:27:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-21 15:27:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 15:27:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 15:27:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 15:27:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 15:27:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 15:27:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 15:27:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 15:27:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 15:27:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 15:27:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 15:27:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 15:27:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 15:27:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 15:27:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 15:27:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 15:27:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 15:27:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 15:27:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 15:27:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 15:27:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 15:27:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 15:27:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 15:27:55,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 15:27:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 15:27:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 15:27:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 15:27:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 15:27:55,722 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 15:27:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 15:27:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 15:27:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 15:27:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 15:27:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-21 15:27:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 15:27:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 15:27:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 15:27:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 15:27:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 15:27:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 15:27:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 15:27:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-21 15:27:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-21 15:27:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 15:27:55,728 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 15:27:55,728 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 15:27:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-21 15:27:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 15:27:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 15:27:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-21 15:27:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 15:27:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 15:27:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 15:27:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 15:27:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 15:27:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 15:27:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 15:27:57,094 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 15:27:57,095 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 15:27:57,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:57 BoogieIcfgContainer [2021-02-21 15:27:57,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 15:27:57,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 15:27:57,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 15:27:57,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 15:27:57,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:27:54" (1/3) ... [2021-02-21 15:27:57,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd0b0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:27:57, skipping insertion in model container [2021-02-21 15:27:57,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:27:55" (2/3) ... [2021-02-21 15:27:57,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd0b0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:27:57, skipping insertion in model container [2021-02-21 15:27:57,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:27:57" (3/3) ... [2021-02-21 15:27:57,112 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2021-02-21 15:27:57,126 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 15:27:57,132 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 15:27:57,151 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 15:27:57,181 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 15:27:57,181 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 15:27:57,181 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 15:27:57,181 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 15:27:57,182 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 15:27:57,182 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 15:27:57,182 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 15:27:57,182 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 15:27:57,205 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2021-02-21 15:27:57,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-21 15:27:57,215 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:27:57,216 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] [2021-02-21 15:27:57,217 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:27:57,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:27:57,223 INFO L82 PathProgramCache]: Analyzing trace with hash 292205055, now seen corresponding path program 1 times [2021-02-21 15:27:57,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:27:57,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156254903] [2021-02-21 15:27:57,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:27:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:57,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:57,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:57,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:57,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,030 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:27:58,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:27:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:27:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:27:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:27:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:27:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:27:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-21 15:27:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-21 15:27:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:58,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:58,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:27:58,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156254903] [2021-02-21 15:27:58,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:27:58,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 15:27:58,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737603346] [2021-02-21 15:27:58,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 15:27:58,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:27:58,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 15:27:58,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:27:58,244 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 4 states. [2021-02-21 15:27:59,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:27:59,714 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2021-02-21 15:27:59,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 15:27:59,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-21 15:27:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:27:59,730 INFO L225 Difference]: With dead ends: 288 [2021-02-21 15:27:59,730 INFO L226 Difference]: Without dead ends: 161 [2021-02-21 15:27:59,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:27:59,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-02-21 15:27:59,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2021-02-21 15:27:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-02-21 15:27:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2021-02-21 15:27:59,857 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2021-02-21 15:27:59,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:27:59,858 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2021-02-21 15:27:59,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 15:27:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2021-02-21 15:27:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-21 15:27:59,862 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:27:59,862 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] [2021-02-21 15:27:59,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 15:27:59,863 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:27:59,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:27:59,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1732550585, now seen corresponding path program 1 times [2021-02-21 15:27:59,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:27:59,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155157221] [2021-02-21 15:27:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:27:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:27:59,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:59,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:27:59,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:59,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:27:59,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:27:59,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,300 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:28:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:28:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:28:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:28:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:28:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:28:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:28:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-21 15:28:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-21 15:28:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:00,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:00,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:28:00,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155157221] [2021-02-21 15:28:00,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:28:00,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 15:28:00,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131767943] [2021-02-21 15:28:00,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 15:28:00,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:28:00,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 15:28:00,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 15:28:00,401 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2021-02-21 15:28:01,035 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-21 15:28:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:28:02,126 INFO L93 Difference]: Finished difference Result 229 states and 286 transitions. [2021-02-21 15:28:02,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 15:28:02,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-02-21 15:28:02,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:28:02,147 INFO L225 Difference]: With dead ends: 229 [2021-02-21 15:28:02,147 INFO L226 Difference]: Without dead ends: 151 [2021-02-21 15:28:02,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-21 15:28:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-02-21 15:28:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2021-02-21 15:28:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-02-21 15:28:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2021-02-21 15:28:02,204 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2021-02-21 15:28:02,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:28:02,205 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2021-02-21 15:28:02,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 15:28:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2021-02-21 15:28:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-21 15:28:02,207 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:28:02,208 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] [2021-02-21 15:28:02,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 15:28:02,208 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:28:02,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:28:02,209 INFO L82 PathProgramCache]: Analyzing trace with hash 186969192, now seen corresponding path program 1 times [2021-02-21 15:28:02,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:28:02,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027551723] [2021-02-21 15:28:02,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:28:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:02,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:02,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:02,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:02,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:28:02,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:28:02,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:28:02,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:02,679 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:28:02,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:28:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 15:28:02,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:28:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:02,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:28:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:28:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,748 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-21 15:28:02,749 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-21 15:28:02,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:28:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:02,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:28:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:02,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-21 15:28:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:02,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 15:28:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:02,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:02,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:28:02,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027551723] [2021-02-21 15:28:02,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:28:02,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:28:02,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425633416] [2021-02-21 15:28:02,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:28:02,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:28:02,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:28:02,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:28:02,808 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 9 states. [2021-02-21 15:28:03,397 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:28:03,884 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:04,296 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:04,689 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:06,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:28:06,188 INFO L93 Difference]: Finished difference Result 242 states and 305 transitions. [2021-02-21 15:28:06,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 15:28:06,188 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2021-02-21 15:28:06,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:28:06,191 INFO L225 Difference]: With dead ends: 242 [2021-02-21 15:28:06,191 INFO L226 Difference]: Without dead ends: 151 [2021-02-21 15:28:06,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-21 15:28:06,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-02-21 15:28:06,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2021-02-21 15:28:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-02-21 15:28:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2021-02-21 15:28:06,243 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 57 [2021-02-21 15:28:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:28:06,244 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2021-02-21 15:28:06,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:28:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2021-02-21 15:28:06,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-02-21 15:28:06,247 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:28:06,247 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] [2021-02-21 15:28:06,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 15:28:06,248 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:28:06,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:28:06,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1186774182, now seen corresponding path program 1 times [2021-02-21 15:28:06,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:28:06,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358856685] [2021-02-21 15:28:06,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:28:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,706 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:28:06,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:28:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:28:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:28:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:28:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:28:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:28:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-21 15:28:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:28:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:28:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-21 15:28:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:06,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-02-21 15:28:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:06,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:06,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:28:06,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358856685] [2021-02-21 15:28:06,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:28:06,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:28:06,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933487630] [2021-02-21 15:28:06,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:28:06,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:28:06,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:28:06,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:28:06,823 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 9 states. [2021-02-21 15:28:07,426 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:28:08,553 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:09,052 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:28:10,183 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:10,616 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:28:11,697 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2021-02-21 15:28:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-21 15:28:11,698 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2021-02-21 15:28:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:28:11,703 INFO L225 Difference]: With dead ends: 373 [2021-02-21 15:28:11,703 INFO L226 Difference]: Without dead ends: 282 [2021-02-21 15:28:11,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2021-02-21 15:28:11,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-02-21 15:28:11,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 200. [2021-02-21 15:28:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-02-21 15:28:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 236 transitions. [2021-02-21 15:28:11,783 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 236 transitions. Word has length 70 [2021-02-21 15:28:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:28:11,783 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 236 transitions. [2021-02-21 15:28:11,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:28:11,784 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 236 transitions. [2021-02-21 15:28:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-02-21 15:28:11,786 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:28:11,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:28:11,786 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 15:28:11,787 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:28:11,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:28:11,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1768374206, now seen corresponding path program 1 times [2021-02-21 15:28:11,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:28:11,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198744909] [2021-02-21 15:28:11,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:28:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:11,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:11,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:11,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,216 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:28:12,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:28:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:12,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:28:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:28:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:28:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:28:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 15:28:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-02-21 15:28:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-21 15:28:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:12,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:28:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 15:28:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 15:28:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:28:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-21 15:28:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:28:12,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:28:12,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:28:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:28:12,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198744909] [2021-02-21 15:28:12,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:28:12,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 15:28:12,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048571219] [2021-02-21 15:28:12,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 15:28:12,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:28:12,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 15:28:12,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-21 15:28:12,398 INFO L87 Difference]: Start difference. First operand 200 states and 236 transitions. Second operand 10 states. [2021-02-21 15:28:12,994 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-21 15:28:14,121 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:14,497 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:14,895 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-21 15:28:15,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:28:15,239 INFO L93 Difference]: Finished difference Result 349 states and 444 transitions. [2021-02-21 15:28:15,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 15:28:15,239 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2021-02-21 15:28:15,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:28:15,240 INFO L225 Difference]: With dead ends: 349 [2021-02-21 15:28:15,240 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 15:28:15,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-02-21 15:28:15,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 15:28:15,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 15:28:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 15:28:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 15:28:15,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-02-21 15:28:15,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:28:15,244 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 15:28:15,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 15:28:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 15:28:15,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 15:28:15,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 15:28:15,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 15:28:15,644 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2021-02-21 15:28:16,020 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-02-21 15:28:17,245 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2021-02-21 15:28:18,409 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-21 15:28:18,689 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-21 15:28:18,999 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2021-02-21 15:28:19,291 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2021-02-21 15:28:19,580 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-21 15:28:19,818 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2021-02-21 15:28:20,454 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-21 15:28:20,692 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2021-02-21 15:28:21,189 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2021-02-21 15:28:21,727 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-21 15:28:22,071 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:28:22,645 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-21 15:28:23,219 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 12 [2021-02-21 15:28:23,547 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-21 15:28:23,839 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2021-02-21 15:28:24,396 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-21 15:28:24,685 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-21 15:28:25,161 WARN L202 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-21 15:28:25,721 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-21 15:28:25,882 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2021-02-21 15:28:26,196 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-21 15:28:26,536 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-21 15:28:27,096 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-21 15:28:27,377 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2021-02-21 15:28:27,928 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-21 15:28:28,223 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-21 15:28:28,497 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-21 15:28:29,056 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-21 15:28:29,059 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point L120(line 120) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point L141(lines 118 142) no Hoare annotation was computed. [2021-02-21 15:28:29,060 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2021-02-21 15:28:29,061 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2021-02-21 15:28:29,061 INFO L189 CegarLoopUtils]: For program point L182(lines 182 186) no Hoare annotation was computed. [2021-02-21 15:28:29,061 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2021-02-21 15:28:29,061 INFO L189 CegarLoopUtils]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2021-02-21 15:28:29,061 INFO L189 CegarLoopUtils]: For program point L177(line 177) no Hoare annotation was computed. [2021-02-21 15:28:29,061 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2021-02-21 15:28:29,061 INFO L189 CegarLoopUtils]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2021-02-21 15:28:29,062 INFO L189 CegarLoopUtils]: For program point L202(lines 175 203) no Hoare annotation was computed. [2021-02-21 15:28:29,062 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2021-02-21 15:28:29,062 INFO L189 CegarLoopUtils]: For program point L195(line 195) no Hoare annotation was computed. [2021-02-21 15:28:29,062 INFO L189 CegarLoopUtils]: For program point L195-1(line 195) no Hoare annotation was computed. [2021-02-21 15:28:29,063 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 429 435) the Hoare annotation is: true [2021-02-21 15:28:29,063 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 429 435) no Hoare annotation was computed. [2021-02-21 15:28:29,063 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 436 444) no Hoare annotation was computed. [2021-02-21 15:28:29,063 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 436 444) the Hoare annotation is: true [2021-02-21 15:28:29,063 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 436 444) no Hoare annotation was computed. [2021-02-21 15:28:29,063 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 525 547) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,064 INFO L185 CegarLoopUtils]: At program point L537(line 537) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2021-02-21 15:28:29,064 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 525 547) no Hoare annotation was computed. [2021-02-21 15:28:29,064 INFO L185 CegarLoopUtils]: At program point L537-1(line 537) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2021-02-21 15:28:29,064 INFO L189 CegarLoopUtils]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-02-21 15:28:29,064 INFO L189 CegarLoopUtils]: For program point L535-1(lines 535 542) no Hoare annotation was computed. [2021-02-21 15:28:29,064 INFO L189 CegarLoopUtils]: For program point L533(line 533) no Hoare annotation was computed. [2021-02-21 15:28:29,065 INFO L185 CegarLoopUtils]: At program point L532(line 532) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,065 INFO L185 CegarLoopUtils]: At program point L531(line 531) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,065 INFO L185 CegarLoopUtils]: At program point L531-1(line 531) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,065 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 525 547) no Hoare annotation was computed. [2021-02-21 15:28:29,065 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 481 504) no Hoare annotation was computed. [2021-02-21 15:28:29,065 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 481 504) no Hoare annotation was computed. [2021-02-21 15:28:29,065 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 481 504) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L499(line 499) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L498(line 498) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L496(line 496) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L494(line 494) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L493(line 493) no Hoare annotation was computed. [2021-02-21 15:28:29,066 INFO L189 CegarLoopUtils]: For program point L492(line 492) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L189 CegarLoopUtils]: For program point L491(line 491) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L189 CegarLoopUtils]: For program point L490(line 490) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L189 CegarLoopUtils]: For program point L487(line 487) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L185 CegarLoopUtils]: At program point L769(line 769) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,067 INFO L189 CegarLoopUtils]: For program point L769-1(lines 750 774) no Hoare annotation was computed. [2021-02-21 15:28:29,067 INFO L185 CegarLoopUtils]: At program point L764(line 764) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,068 INFO L185 CegarLoopUtils]: At program point L760(line 760) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,068 INFO L189 CegarLoopUtils]: For program point L758(lines 758 766) no Hoare annotation was computed. [2021-02-21 15:28:29,068 INFO L185 CegarLoopUtils]: At program point L756(line 756) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,068 INFO L189 CegarLoopUtils]: For program point L756-1(line 756) no Hoare annotation was computed. [2021-02-21 15:28:29,068 INFO L189 CegarLoopUtils]: For program point L754(lines 754 771) no Hoare annotation was computed. [2021-02-21 15:28:29,068 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 750 774) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,068 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 750 774) no Hoare annotation was computed. [2021-02-21 15:28:29,069 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 845 853) no Hoare annotation was computed. [2021-02-21 15:28:29,069 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 845 853) the Hoare annotation is: true [2021-02-21 15:28:29,069 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 845 853) no Hoare annotation was computed. [2021-02-21 15:28:29,069 INFO L192 CegarLoopUtils]: At program point L897(line 897) the Hoare annotation is: true [2021-02-21 15:28:29,069 INFO L189 CegarLoopUtils]: For program point L899-2(lines 899 903) no Hoare annotation was computed. [2021-02-21 15:28:29,069 INFO L189 CegarLoopUtils]: For program point L897-1(line 897) no Hoare annotation was computed. [2021-02-21 15:28:29,069 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 890 908) the Hoare annotation is: true [2021-02-21 15:28:29,069 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 890 908) no Hoare annotation was computed. [2021-02-21 15:28:29,069 INFO L189 CegarLoopUtils]: For program point L899(lines 899 903) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 890 908) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point L861(lines 861 869) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point L861-2(lines 861 869) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point L884(line 884) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point L884-1(line 884) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 854 889) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point L873(lines 873 881) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point L873-2(lines 873 881) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 854 889) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 854 889) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 422 428) no Hoare annotation was computed. [2021-02-21 15:28:29,070 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 422 428) the Hoare annotation is: true [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point L381(lines 381 388) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point L375(lines 375 395) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2021-02-21 15:28:29,071 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2021-02-21 15:28:29,072 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 514 524) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,072 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 514 524) no Hoare annotation was computed. [2021-02-21 15:28:29,072 INFO L185 CegarLoopUtils]: At program point L519(line 519) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-21 15:28:29,072 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 514 524) no Hoare annotation was computed. [2021-02-21 15:28:29,072 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 834 844) the Hoare annotation is: true [2021-02-21 15:28:29,072 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 834 844) no Hoare annotation was computed. [2021-02-21 15:28:29,072 INFO L192 CegarLoopUtils]: At program point L839(line 839) the Hoare annotation is: true [2021-02-21 15:28:29,072 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 834 844) no Hoare annotation was computed. [2021-02-21 15:28:29,073 INFO L189 CegarLoopUtils]: For program point L839-1(line 839) no Hoare annotation was computed. [2021-02-21 15:28:29,073 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 826 833) the Hoare annotation is: true [2021-02-21 15:28:29,073 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 826 833) no Hoare annotation was computed. [2021-02-21 15:28:29,073 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 826 833) no Hoare annotation was computed. [2021-02-21 15:28:29,073 INFO L185 CegarLoopUtils]: At program point L795(line 795) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,073 INFO L189 CegarLoopUtils]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2021-02-21 15:28:29,073 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 776 800) no Hoare annotation was computed. [2021-02-21 15:28:29,073 INFO L185 CegarLoopUtils]: At program point L790(line 790) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,073 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 776 800) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,073 INFO L185 CegarLoopUtils]: At program point L786(line 786) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,074 INFO L189 CegarLoopUtils]: For program point L784(lines 784 792) no Hoare annotation was computed. [2021-02-21 15:28:29,074 INFO L185 CegarLoopUtils]: At program point L782(line 782) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,074 INFO L189 CegarLoopUtils]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-02-21 15:28:29,074 INFO L189 CegarLoopUtils]: For program point L780(lines 780 797) no Hoare annotation was computed. [2021-02-21 15:28:29,074 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 742 748) no Hoare annotation was computed. [2021-02-21 15:28:29,074 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 742 748) the Hoare annotation is: true [2021-02-21 15:28:29,074 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 644 709) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,074 INFO L185 CegarLoopUtils]: At program point L702(lines 653 703) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,074 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 644 709) no Hoare annotation was computed. [2021-02-21 15:28:29,074 INFO L189 CegarLoopUtils]: For program point L692(lines 692 696) no Hoare annotation was computed. [2021-02-21 15:28:29,075 INFO L185 CegarLoopUtils]: At program point L692-2(lines 684 697) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,075 INFO L189 CegarLoopUtils]: For program point L655(lines 654 701) no Hoare annotation was computed. [2021-02-21 15:28:29,075 INFO L185 CegarLoopUtils]: At program point L686(line 686) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,075 INFO L189 CegarLoopUtils]: For program point L684(lines 684 697) no Hoare annotation was computed. [2021-02-21 15:28:29,075 INFO L185 CegarLoopUtils]: At program point L676(line 676) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,075 INFO L189 CegarLoopUtils]: For program point L674(lines 674 680) no Hoare annotation was computed. [2021-02-21 15:28:29,075 INFO L189 CegarLoopUtils]: For program point L674-1(lines 674 680) no Hoare annotation was computed. [2021-02-21 15:28:29,075 INFO L185 CegarLoopUtils]: At program point L699(lines 654 701) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,075 INFO L185 CegarLoopUtils]: At program point L666(line 666) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:28:29,075 INFO L189 CegarLoopUtils]: For program point L664(lines 664 670) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point L664-1(lines 664 670) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point L656(lines 656 660) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 644 709) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point L335(lines 335 342) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point L329(lines 329 349) no Hoare annotation was computed. [2021-02-21 15:28:29,076 INFO L189 CegarLoopUtils]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2021-02-21 15:28:29,077 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 801 808) no Hoare annotation was computed. [2021-02-21 15:28:29,077 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 801 808) no Hoare annotation was computed. [2021-02-21 15:28:29,077 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 801 808) no Hoare annotation was computed. [2021-02-21 15:28:29,077 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 633 641) no Hoare annotation was computed. [2021-02-21 15:28:29,077 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 633 641) the Hoare annotation is: true [2021-02-21 15:28:29,077 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 633 641) no Hoare annotation was computed. [2021-02-21 15:28:29,077 INFO L185 CegarLoopUtils]: At program point L951(line 951) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:28:29,077 INFO L189 CegarLoopUtils]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-02-21 15:28:29,078 INFO L189 CegarLoopUtils]: For program point L948(lines 948 958) no Hoare annotation was computed. [2021-02-21 15:28:29,078 INFO L185 CegarLoopUtils]: At program point L946(line 946) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-02-21 15:28:29,078 INFO L189 CegarLoopUtils]: For program point L946-1(line 946) no Hoare annotation was computed. [2021-02-21 15:28:29,078 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 936 964) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-21 15:28:29,078 INFO L189 CegarLoopUtils]: For program point L944(lines 944 961) no Hoare annotation was computed. [2021-02-21 15:28:29,078 INFO L189 CegarLoopUtils]: For program point L944-1(lines 936 964) no Hoare annotation was computed. [2021-02-21 15:28:29,078 INFO L185 CegarLoopUtils]: At program point L942(line 942) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-21 15:28:29,078 INFO L189 CegarLoopUtils]: For program point L942-1(line 942) no Hoare annotation was computed. [2021-02-21 15:28:29,078 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__2EXIT(lines 936 964) no Hoare annotation was computed. [2021-02-21 15:28:29,078 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point L609(lines 609 617) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point L609-2(lines 609 617) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 601 623) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 601 623) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 601 623) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2021-02-21 15:28:29,079 INFO L189 CegarLoopUtils]: For program point L277(line 277) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L277-1(line 277) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L282(lines 260 283) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L241(lines 241 257) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L301(lines 301 308) no Hoare annotation was computed. [2021-02-21 15:28:29,080 INFO L189 CegarLoopUtils]: For program point L262(lines 261 281) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point L293(line 293) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point L293-1(line 293) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point L258(lines 258 299) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 412 421) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 412 421) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 412 421) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:28:29,081 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-21 15:28:29,081 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point L816(lines 816 822) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point L814(line 814) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point L814-1(line 814) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 809 825) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 809 825) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point L820(line 820) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point L820-1(lines 809 825) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 624 632) no Hoare annotation was computed. [2021-02-21 15:28:29,082 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 624 632) no Hoare annotation was computed. [2021-02-21 15:28:29,083 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 624 632) no Hoare annotation was computed. [2021-02-21 15:28:29,083 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:28:29,083 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-21 15:28:29,083 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:28:29,083 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 580 591) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-21 15:28:29,083 INFO L189 CegarLoopUtils]: For program point L584-1(lines 580 591) no Hoare annotation was computed. [2021-02-21 15:28:29,083 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 580 591) no Hoare annotation was computed. [2021-02-21 15:28:29,083 INFO L185 CegarLoopUtils]: At program point L731(line 731) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,084 INFO L185 CegarLoopUtils]: At program point L729(lines 729 735) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,084 INFO L185 CegarLoopUtils]: At program point L724(line 724) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,084 INFO L189 CegarLoopUtils]: For program point L722(lines 721 740) no Hoare annotation was computed. [2021-02-21 15:28:29,084 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 718 741) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:28:29,084 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 718 741) no Hoare annotation was computed. [2021-02-21 15:28:29,084 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 718 741) no Hoare annotation was computed. [2021-02-21 15:28:29,084 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 448 477) no Hoare annotation was computed. [2021-02-21 15:28:29,084 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 448 477) the Hoare annotation is: true [2021-02-21 15:28:29,085 INFO L192 CegarLoopUtils]: At program point L473(lines 448 477) the Hoare annotation is: true [2021-02-21 15:28:29,085 INFO L189 CegarLoopUtils]: For program point L469(line 469) no Hoare annotation was computed. [2021-02-21 15:28:29,085 INFO L189 CegarLoopUtils]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-02-21 15:28:29,085 INFO L192 CegarLoopUtils]: At program point L462-1(lines 462 466) the Hoare annotation is: true [2021-02-21 15:28:29,085 INFO L189 CegarLoopUtils]: For program point L459(line 459) no Hoare annotation was computed. [2021-02-21 15:28:29,085 INFO L192 CegarLoopUtils]: At program point L458-2(lines 458 472) the Hoare annotation is: true [2021-02-21 15:28:29,085 INFO L192 CegarLoopUtils]: At program point L454(line 454) the Hoare annotation is: true [2021-02-21 15:28:29,085 INFO L189 CegarLoopUtils]: For program point L454-1(line 454) no Hoare annotation was computed. [2021-02-21 15:28:29,085 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 592 600) the Hoare annotation is: true [2021-02-21 15:28:29,085 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 592 600) no Hoare annotation was computed. [2021-02-21 15:28:29,086 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 592 600) no Hoare annotation was computed. [2021-02-21 15:28:29,086 INFO L189 CegarLoopUtils]: For program point L560-1(lines 556 567) no Hoare annotation was computed. [2021-02-21 15:28:29,086 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 556 567) the Hoare annotation is: true [2021-02-21 15:28:29,086 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 556 567) no Hoare annotation was computed. [2021-02-21 15:28:29,086 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 505 511) no Hoare annotation was computed. [2021-02-21 15:28:29,086 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 505 511) the Hoare annotation is: true [2021-02-21 15:28:29,086 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:28:29,086 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-21 15:28:29,087 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 15:28:29,087 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:28:29,087 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 909 916) no Hoare annotation was computed. [2021-02-21 15:28:29,087 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 909 916) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-21 15:28:29,087 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 909 916) no Hoare annotation was computed. [2021-02-21 15:28:29,087 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 568 579) no Hoare annotation was computed. [2021-02-21 15:28:29,087 INFO L189 CegarLoopUtils]: For program point L572-1(lines 568 579) no Hoare annotation was computed. [2021-02-21 15:28:29,087 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 568 579) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:28:29,087 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2021-02-21 15:28:29,088 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2021-02-21 15:28:29,088 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2021-02-21 15:28:29,088 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2021-02-21 15:28:29,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:28:29 BoogieIcfgContainer [2021-02-21 15:28:29,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 15:28:29,105 INFO L168 Benchmark]: Toolchain (without parser) took 34463.28 ms. Allocated memory was 154.1 MB in the beginning and 413.1 MB in the end (delta: 259.0 MB). Free memory was 128.0 MB in the beginning and 353.8 MB in the end (delta: -225.7 MB). Peak memory consumption was 247.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:28:29,105 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 125.8 MB. Free memory is still 80.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 15:28:29,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.30 ms. Allocated memory is still 154.1 MB. Free memory was 126.9 MB in the beginning and 130.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 19.3 MB. Max. memory is 8.0 GB. [2021-02-21 15:28:29,106 INFO L168 Benchmark]: Boogie Preprocessor took 112.72 ms. Allocated memory is still 154.1 MB. Free memory was 130.6 MB in the beginning and 126.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-21 15:28:29,107 INFO L168 Benchmark]: RCFGBuilder took 1516.04 ms. Allocated memory was 154.1 MB in the beginning and 198.2 MB in the end (delta: 44.0 MB). Free memory was 126.5 MB in the beginning and 172.7 MB in the end (delta: -46.2 MB). Peak memory consumption was 48.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:28:29,108 INFO L168 Benchmark]: TraceAbstraction took 32002.35 ms. Allocated memory was 198.2 MB in the beginning and 413.1 MB in the end (delta: 215.0 MB). Free memory was 172.2 MB in the beginning and 353.8 MB in the end (delta: -181.6 MB). Peak memory consumption was 246.8 MB. Max. memory is 8.0 GB. [2021-02-21 15:28:29,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 125.8 MB. Free memory is still 80.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 814.30 ms. Allocated memory is still 154.1 MB. Free memory was 126.9 MB in the beginning and 130.6 MB in the end (delta: -3.8 MB). Peak memory consumption was 19.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 112.72 ms. Allocated memory is still 154.1 MB. Free memory was 130.6 MB in the beginning and 126.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1516.04 ms. Allocated memory was 154.1 MB in the beginning and 198.2 MB in the end (delta: 44.0 MB). Free memory was 126.5 MB in the beginning and 172.7 MB in the end (delta: -46.2 MB). Peak memory consumption was 48.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32002.35 ms. Allocated memory was 198.2 MB in the beginning and 413.1 MB in the end (delta: 215.0 MB). Free memory was 172.2 MB in the beginning and 353.8 MB in the end (delta: -181.6 MB). Peak memory consumption was 246.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 510 SDtfs, 840 SDslu, 431 SDs, 0 SdLazy, 2127 SolverSat, 610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 352 PreInvPairs, 390 NumberOfFragments, 904 HoareAnnotationTreeSize, 352 FomulaSimplifications, 117979 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 11803 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 95897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...