/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_spec1_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,762 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 [2021-02-19 16:56:36,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,816 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,823 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,244 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2021-02-19 16:56:37,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679ae2e2e/c3dd9aa074624843a00020aef7df8763/FLAG386276c92 [2021-02-19 16:56:37,994 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:37,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2021-02-19 16:56:38,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679ae2e2e/c3dd9aa074624843a00020aef7df8763/FLAG386276c92 [2021-02-19 16:56:38,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679ae2e2e/c3dd9aa074624843a00020aef7df8763 [2021-02-19 16:56:38,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423f7e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38, skipping insertion in model container [2021-02-19 16:56:38,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,626 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_spec1_product11.cil.c[5714,5727] [2021-02-19 16:56:38,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,763 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,799 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_spec1_product11.cil.c[5714,5727] [2021-02-19 16:56:38,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,872 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:38,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38 WrapperNode [2021-02-19 16:56:38,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:38,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:38,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (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 [2021-02-19 16:56:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-19 16:56:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:56:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:56:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-19 16:56:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,281 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd099b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (2/3) ... [2021-02-19 16:56:40,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd099b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40" (3/3) ... [2021-02-19 16:56:40,293 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-02-19 16:56:40,300 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,306 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,326 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,360 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,382 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,382 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,383 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,383 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,385 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,385 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,385 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2021-02-19 16:56:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,457 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,458 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] [2021-02-19 16:56:40,459 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1280382976, now seen corresponding path program 1 times [2021-02-19 16:56:40,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156548029] [2021-02-19 16:56:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:40,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:40,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:40,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:40,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,262 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:41,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156548029] [2021-02-19 16:56:41,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050421835] [2021-02-19 16:56:41,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,421 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2021-02-19 16:56:42,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:42,402 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2021-02-19 16:56:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:42,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:42,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:42,416 INFO L225 Difference]: With dead ends: 219 [2021-02-19 16:56:42,417 INFO L226 Difference]: Without dead ends: 120 [2021-02-19 16:56:42,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:42,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-02-19 16:56:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2021-02-19 16:56:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-02-19 16:56:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-02-19 16:56:42,501 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2021-02-19 16:56:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:42,501 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-02-19 16:56:42,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-02-19 16:56:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:42,505 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:42,505 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] [2021-02-19 16:56:42,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:42,505 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:42,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:42,506 INFO L82 PathProgramCache]: Analyzing trace with hash 617149214, now seen corresponding path program 1 times [2021-02-19 16:56:42,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:42,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214859217] [2021-02-19 16:56:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:42,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,943 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:42,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214859217] [2021-02-19 16:56:42,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:42,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:42,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541200512] [2021-02-19 16:56:43,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:43,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:43,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:43,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:43,002 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2021-02-19 16:56:43,584 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:44,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:44,151 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2021-02-19 16:56:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:44,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:44,158 INFO L225 Difference]: With dead ends: 143 [2021-02-19 16:56:44,158 INFO L226 Difference]: Without dead ends: 104 [2021-02-19 16:56:44,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-19 16:56:44,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2021-02-19 16:56:44,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-19 16:56:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2021-02-19 16:56:44,217 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2021-02-19 16:56:44,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:44,218 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2021-02-19 16:56:44,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2021-02-19 16:56:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:56:44,229 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:44,229 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] [2021-02-19 16:56:44,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:44,229 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:44,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:44,230 INFO L82 PathProgramCache]: Analyzing trace with hash -850149347, now seen corresponding path program 1 times [2021-02-19 16:56:44,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:44,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988271170] [2021-02-19 16:56:44,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,757 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:44,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:44,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:44,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988271170] [2021-02-19 16:56:44,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:44,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:44,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682036340] [2021-02-19 16:56:44,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:44,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:44,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:44,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:44,853 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 8 states. [2021-02-19 16:56:45,349 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:45,783 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,178 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,532 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,440 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:48,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:48,505 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2021-02-19 16:56:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:48,506 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:56:48,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:48,509 INFO L225 Difference]: With dead ends: 287 [2021-02-19 16:56:48,509 INFO L226 Difference]: Without dead ends: 230 [2021-02-19 16:56:48,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:48,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-02-19 16:56:48,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2021-02-19 16:56:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2021-02-19 16:56:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2021-02-19 16:56:48,578 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2021-02-19 16:56:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:48,579 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2021-02-19 16:56:48,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2021-02-19 16:56:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-02-19 16:56:48,580 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:48,580 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] [2021-02-19 16:56:48,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:48,580 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:48,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:48,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1104582735, now seen corresponding path program 1 times [2021-02-19 16:56:48,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:48,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36436030] [2021-02-19 16:56:48,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,983 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:48,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-19 16:56:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:56:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-19 16:56:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:49,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36436030] [2021-02-19 16:56:49,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:49,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 16:56:49,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976201126] [2021-02-19 16:56:49,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 16:56:49,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:49,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 16:56:49,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:56:49,061 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 7 states. [2021-02-19 16:56:49,624 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:50,611 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,044 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,432 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,780 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:52,196 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:52,566 INFO L93 Difference]: Finished difference Result 508 states and 647 transitions. [2021-02-19 16:56:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:52,567 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2021-02-19 16:56:52,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:52,572 INFO L225 Difference]: With dead ends: 508 [2021-02-19 16:56:52,572 INFO L226 Difference]: Without dead ends: 364 [2021-02-19 16:56:52,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:52,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-02-19 16:56:52,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 291. [2021-02-19 16:56:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2021-02-19 16:56:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-02-19 16:56:52,665 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 54 [2021-02-19 16:56:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:52,666 INFO L480 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-02-19 16:56:52,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 16:56:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-02-19 16:56:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-19 16:56:52,668 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:52,668 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] [2021-02-19 16:56:52,668 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:52,668 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:52,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:52,669 INFO L82 PathProgramCache]: Analyzing trace with hash -366928723, now seen corresponding path program 1 times [2021-02-19 16:56:52,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:52,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173443481] [2021-02-19 16:56:52,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,077 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:53,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:56:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 16:56:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:53,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173443481] [2021-02-19 16:56:53,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:53,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:53,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433340984] [2021-02-19 16:56:53,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:53,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:53,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:53,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:53,182 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand 8 states. [2021-02-19 16:56:53,734 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:54,694 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,103 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,457 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:55,648 INFO L93 Difference]: Finished difference Result 591 states and 756 transitions. [2021-02-19 16:56:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:56:55,649 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2021-02-19 16:56:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:55,650 INFO L225 Difference]: With dead ends: 591 [2021-02-19 16:56:55,650 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:55,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:55,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:55,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:55,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-02-19 16:56:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:55,656 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:55,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:55,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:55,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:55,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:59,323 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 12 [2021-02-19 16:56:59,590 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:56:59,867 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:00,171 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:57:00,719 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:01,000 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,301 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,609 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,860 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:02,157 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:02,433 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:02,973 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:03,249 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:03,785 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:04,062 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:57:04,350 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:04,651 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:04,925 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:05,203 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:05,725 WARN L202 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:06,246 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 16:57:06,273 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,273 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,273 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,273 INFO L189 CegarLoopUtils]: For program point L595(lines 595 599) no Hoare annotation was computed. [2021-02-19 16:57:06,273 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 564 619) no Hoare annotation was computed. [2021-02-19 16:57:06,273 INFO L189 CegarLoopUtils]: For program point L595-1(lines 595 599) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point L589-2(lines 589 610) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 564 619) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point L611(lines 588 612) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 564 619) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point L672(lines 645 673) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point L665(line 665) no Hoare annotation was computed. [2021-02-19 16:57:06,274 INFO L189 CegarLoopUtils]: For program point L665-1(line 665) no Hoare annotation was computed. [2021-02-19 16:57:06,275 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 620 679) no Hoare annotation was computed. [2021-02-19 16:57:06,275 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 620 679) no Hoare annotation was computed. [2021-02-19 16:57:06,275 INFO L189 CegarLoopUtils]: For program point L652(lines 652 656) no Hoare annotation was computed. [2021-02-19 16:57:06,275 INFO L189 CegarLoopUtils]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2021-02-19 16:57:06,275 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 620 679) no Hoare annotation was computed. [2021-02-19 16:57:06,275 INFO L189 CegarLoopUtils]: For program point L647(line 647) no Hoare annotation was computed. [2021-02-19 16:57:06,276 INFO L189 CegarLoopUtils]: For program point L646-2(lines 646 671) no Hoare annotation was computed. [2021-02-19 16:57:06,276 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2021-02-19 16:57:06,276 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2021-02-19 16:57:06,276 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2021-02-19 16:57:06,276 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2021-02-19 16:57:06,276 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 171 179) no Hoare annotation was computed. [2021-02-19 16:57:06,277 INFO L185 CegarLoopUtils]: At program point L129(line 129) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,277 INFO L185 CegarLoopUtils]: At program point L128(line 128) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,277 INFO L185 CegarLoopUtils]: At program point L128-1(line 128) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,277 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 122 144) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,277 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2021-02-19 16:57:06,277 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2021-02-19 16:57:06,278 INFO L185 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,278 INFO L185 CegarLoopUtils]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,278 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-02-19 16:57:06,278 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2021-02-19 16:57:06,278 INFO L189 CegarLoopUtils]: For program point L130(line 130) no Hoare annotation was computed. [2021-02-19 16:57:06,278 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-19 16:57:06,278 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-19 16:57:06,278 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-19 16:57:06,278 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-19 16:57:06,279 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-19 16:57:06,286 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-19 16:57:06,286 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-19 16:57:06,286 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-19 16:57:06,286 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-19 16:57:06,286 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 313 327) no Hoare annotation was computed. [2021-02-19 16:57:06,286 INFO L185 CegarLoopUtils]: At program point L319(line 319) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:06,286 INFO L189 CegarLoopUtils]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 313 327) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 313 327) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 223 230) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 223 230) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 223 230) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 268 276) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 268 276) the Hoare annotation is: true [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 268 276) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point L284(lines 284 292) no Hoare annotation was computed. [2021-02-19 16:57:06,287 INFO L189 CegarLoopUtils]: For program point L284-2(lines 284 292) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point L307(line 307) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point L307-1(line 307) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 277 312) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point L296(lines 296 304) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 277 312) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point L296-2(lines 296 304) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 277 312) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 518 563) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 518 563) no Hoare annotation was computed. [2021-02-19 16:57:06,288 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 518 563) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 831 876) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point L851(lines 851 858) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point L845(lines 845 865) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point L845-1(lines 845 865) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 831 876) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 831 876) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 109 118) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 257 267) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 257 267) no Hoare annotation was computed. [2021-02-19 16:57:06,289 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 257 267) no Hoare annotation was computed. [2021-02-19 16:57:06,290 INFO L189 CegarLoopUtils]: For program point L262(line 262) no Hoare annotation was computed. [2021-02-19 16:57:06,290 INFO L189 CegarLoopUtils]: For program point L262-1(line 262) no Hoare annotation was computed. [2021-02-19 16:57:06,290 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 249 256) the Hoare annotation is: true [2021-02-19 16:57:06,290 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 249 256) no Hoare annotation was computed. [2021-02-19 16:57:06,290 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 249 256) no Hoare annotation was computed. [2021-02-19 16:57:06,290 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 216 222) no Hoare annotation was computed. [2021-02-19 16:57:06,290 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 216 222) the Hoare annotation is: true [2021-02-19 16:57:06,290 INFO L185 CegarLoopUtils]: At program point L384(lines 339 386) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,290 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 329 394) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,290 INFO L185 CegarLoopUtils]: At program point L351(line 351) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,291 INFO L189 CegarLoopUtils]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-02-19 16:57:06,291 INFO L189 CegarLoopUtils]: For program point L349-1(lines 349 355) no Hoare annotation was computed. [2021-02-19 16:57:06,291 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 329 394) no Hoare annotation was computed. [2021-02-19 16:57:06,291 INFO L189 CegarLoopUtils]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-02-19 16:57:06,291 INFO L185 CegarLoopUtils]: At program point L387(lines 338 388) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,291 INFO L185 CegarLoopUtils]: At program point L377(line 377) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,291 INFO L189 CegarLoopUtils]: For program point L375(lines 375 381) no Hoare annotation was computed. [2021-02-19 16:57:06,291 INFO L185 CegarLoopUtils]: At program point L375-1(lines 369 382) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,291 INFO L189 CegarLoopUtils]: For program point L340(lines 339 386) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L369(lines 369 382) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L185 CegarLoopUtils]: At program point L361(line 361) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L359(lines 359 365) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L359-1(lines 359 365) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 329 394) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L799(lines 799 819) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L799-1(lines 799 819) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 785 830) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 785 830) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 785 830) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L805(lines 805 812) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L461(lines 461 469) no Hoare annotation was computed. [2021-02-19 16:57:06,292 INFO L189 CegarLoopUtils]: For program point L461-2(lines 461 469) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 453 475) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 453 475) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 453 475) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 147 156) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 147 156) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 147 156) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 682 784) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point L733(lines 733 737) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point L731-2(lines 731 751) no Hoare annotation was computed. [2021-02-19 16:57:06,293 INFO L189 CegarLoopUtils]: For program point L752(lines 730 753) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L711(lines 711 727) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 682 784) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L771(lines 771 778) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L732(lines 731 751) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L763(line 763) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L763-1(line 763) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L728(lines 728 769) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 682 784) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L747(line 747) no Hoare annotation was computed. [2021-02-19 16:57:06,294 INFO L189 CegarLoopUtils]: For program point L747-1(line 747) no Hoare annotation was computed. [2021-02-19 16:57:06,295 INFO L189 CegarLoopUtils]: For program point L706(lines 706 710) no Hoare annotation was computed. [2021-02-19 16:57:06,295 INFO L189 CegarLoopUtils]: For program point L770(lines 770 781) no Hoare annotation was computed. [2021-02-19 16:57:06,295 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,295 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.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~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:06,295 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,295 INFO L189 CegarLoopUtils]: For program point L239(lines 239 245) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point L237(line 237) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point L237-1(line 237) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 232 248) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 232 248) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point L243(line 243) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point L243-1(lines 232 248) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 476 484) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 476 484) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 476 484) no Hoare annotation was computed. [2021-02-19 16:57:06,296 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 432 443) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:06,297 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 432 443) no Hoare annotation was computed. [2021-02-19 16:57:06,297 INFO L189 CegarLoopUtils]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2021-02-19 16:57:06,297 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,297 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,297 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,297 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 192 215) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:06,297 INFO L185 CegarLoopUtils]: At program point L205(line 205) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2021-02-19 16:57:06,297 INFO L185 CegarLoopUtils]: At program point L203(lines 203 209) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:06,297 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 192 215) no Hoare annotation was computed. [2021-02-19 16:57:06,297 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 192 215) no Hoare annotation was computed. [2021-02-19 16:57:06,298 INFO L185 CegarLoopUtils]: At program point L198(line 198) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:06,298 INFO L189 CegarLoopUtils]: For program point L196(lines 195 214) no Hoare annotation was computed. [2021-02-19 16:57:06,298 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-19 16:57:06,298 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-19 16:57:06,298 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-19 16:57:06,298 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-19 16:57:06,298 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-19 16:57:06,298 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-19 16:57:06,298 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-19 16:57:06,298 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-19 16:57:06,299 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-19 16:57:06,299 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-19 16:57:06,299 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 444 452) the Hoare annotation is: true [2021-02-19 16:57:06,299 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 444 452) no Hoare annotation was computed. [2021-02-19 16:57:06,299 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 444 452) no Hoare annotation was computed. [2021-02-19 16:57:06,299 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 408 419) the Hoare annotation is: true [2021-02-19 16:57:06,299 INFO L189 CegarLoopUtils]: For program point L412-1(lines 408 419) no Hoare annotation was computed. [2021-02-19 16:57:06,299 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 408 419) no Hoare annotation was computed. [2021-02-19 16:57:06,299 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-19 16:57:06,299 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-19 16:57:06,299 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,300 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:06,300 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:06,300 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,300 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 420 431) no Hoare annotation was computed. [2021-02-19 16:57:06,300 INFO L189 CegarLoopUtils]: For program point L424-1(lines 420 431) no Hoare annotation was computed. [2021-02-19 16:57:06,300 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 420 431) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:06,300 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 396 403) no Hoare annotation was computed. [2021-02-19 16:57:06,300 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 400) no Hoare annotation was computed. [2021-02-19 16:57:06,300 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 396 403) the Hoare annotation is: true [2021-02-19 16:57:06,301 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 396 403) no Hoare annotation was computed. [2021-02-19 16:57:06,301 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 486 510) the Hoare annotation is: true [2021-02-19 16:57:06,301 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 486 510) no Hoare annotation was computed. [2021-02-19 16:57:06,301 INFO L185 CegarLoopUtils]: At program point L500(line 500) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:06,301 INFO L189 CegarLoopUtils]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-02-19 16:57:06,301 INFO L185 CegarLoopUtils]: At program point L496(line 496) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:06,301 INFO L189 CegarLoopUtils]: For program point L496-1(line 496) no Hoare annotation was computed. [2021-02-19 16:57:06,301 INFO L189 CegarLoopUtils]: For program point L494(lines 494 507) no Hoare annotation was computed. [2021-02-19 16:57:06,301 INFO L189 CegarLoopUtils]: For program point L494-1(lines 486 510) no Hoare annotation was computed. [2021-02-19 16:57:06,301 INFO L192 CegarLoopUtils]: At program point L492(line 492) the Hoare annotation is: true [2021-02-19 16:57:06,302 INFO L189 CegarLoopUtils]: For program point L492-1(line 492) no Hoare annotation was computed. [2021-02-19 16:57:06,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:06 BoogieIcfgContainer [2021-02-19 16:57:06,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:06,319 INFO L168 Benchmark]: Toolchain (without parser) took 28039.92 ms. Allocated memory was 152.0 MB in the beginning and 450.9 MB in the end (delta: 298.8 MB). Free memory was 125.8 MB in the beginning and 419.4 MB in the end (delta: -293.6 MB). Peak memory consumption was 267.7 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,319 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 152.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:06,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.77 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 105.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,321 INFO L168 Benchmark]: Boogie Preprocessor took 124.52 ms. Allocated memory is still 152.0 MB. Free memory was 105.0 MB in the beginning and 101.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,321 INFO L168 Benchmark]: RCFGBuilder took 1284.12 ms. Allocated memory is still 152.0 MB. Free memory was 101.1 MB in the beginning and 52.5 MB in the end (delta: 48.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,322 INFO L168 Benchmark]: TraceAbstraction took 26031.91 ms. Allocated memory was 152.0 MB in the beginning and 450.9 MB in the end (delta: 298.8 MB). Free memory was 52.0 MB in the beginning and 419.4 MB in the end (delta: -367.3 MB). Peak memory consumption was 193.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 152.0 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 576.77 ms. Allocated memory is still 152.0 MB. Free memory was 124.7 MB in the beginning and 105.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 124.52 ms. Allocated memory is still 152.0 MB. Free memory was 105.0 MB in the beginning and 101.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1284.12 ms. Allocated memory is still 152.0 MB. Free memory was 101.1 MB in the beginning and 52.5 MB in the end (delta: 48.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26031.91 ms. Allocated memory was 152.0 MB in the beginning and 450.9 MB in the end (delta: 298.8 MB). Free memory was 52.0 MB in the beginning and 419.4 MB in the end (delta: -367.3 MB). Peak memory consumption was 193.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 400]: 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: 339]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 373 SDtfs, 585 SDslu, 324 SDs, 0 SdLazy, 1397 SolverSat, 359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred 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, 188 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 328 PreInvPairs, 397 NumberOfFragments, 635 HoareAnnotationTreeSize, 328 FomulaSimplifications, 50336 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 44 FomulaSimplificationsInter, 15642 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 74294 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...