/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,602 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 16:56:36,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,653 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,654 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,656 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,065 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2021-02-19 16:56:37,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538ee44ec/370fc381a78f4ef4bfaa9bf9d857ba57/FLAG0a3e7cd25 [2021-02-19 16:56:37,808 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:37,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2021-02-19 16:56:37,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538ee44ec/370fc381a78f4ef4bfaa9bf9d857ba57/FLAG0a3e7cd25 [2021-02-19 16:56:38,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/538ee44ec/370fc381a78f4ef4bfaa9bf9d857ba57 [2021-02-19 16:56:38,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6841d2d3 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 16:56:38,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,453 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_product10.cil.c[1281,1294] [2021-02-19 16:56:38,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,673 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,689 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_product10.cil.c[1281,1294] [2021-02-19 16:56:38,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,822 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:38,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38 WrapperNode [2021-02-19 16:56:38,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:38,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:38,842 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 16:56:38,843 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 16:56:38,881 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 16:56:38,882 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 16:56:38,944 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 16:56:38,958 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 16:56:38,974 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 16:56:38,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:38,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:38,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:38,990 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 16:56:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-19 16:56:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 16:56:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,128 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-19 16:56:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,135 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,136 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969bb38 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 16:56:40,146 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 16:56:40,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969bb38 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 16:56:40,147 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 16:56:40,148 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-02-19 16:56:40,155 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,161 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,213 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,213 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,214 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,214 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,214 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,214 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,214 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,215 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2021-02-19 16:56:40,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,244 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,245 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 16:56:40,245 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,252 INFO L82 PathProgramCache]: Analyzing trace with hash 563916964, now seen corresponding path program 1 times [2021-02-19 16:56:40,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934857482] [2021-02-19 16:56:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:40,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:40,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:40,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:40,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,121 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,200 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 16:56:41,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934857482] [2021-02-19 16:56:41,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824877442] [2021-02-19 16:56:41,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,224 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2021-02-19 16:56:42,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:42,093 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2021-02-19 16:56:42,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:42,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:42,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:42,108 INFO L225 Difference]: With dead ends: 208 [2021-02-19 16:56:42,108 INFO L226 Difference]: Without dead ends: 114 [2021-02-19 16:56:42,112 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 16:56:42,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-02-19 16:56:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2021-02-19 16:56:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-02-19 16:56:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2021-02-19 16:56:42,229 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2021-02-19 16:56:42,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:42,230 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2021-02-19 16:56:42,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2021-02-19 16:56:42,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:42,235 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:42,235 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 16:56:42,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:42,235 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:42,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:42,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1054125748, now seen corresponding path program 1 times [2021-02-19 16:56:42,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:42,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355595437] [2021-02-19 16:56:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:42,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,630 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:42,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,685 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 16:56:42,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355595437] [2021-02-19 16:56:42,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:42,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:42,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045102036] [2021-02-19 16:56:42,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:42,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:42,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:42,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:42,690 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2021-02-19 16:56:43,212 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:43,749 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2021-02-19 16:56:43,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:43,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:43,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:43,753 INFO L225 Difference]: With dead ends: 137 [2021-02-19 16:56:43,753 INFO L226 Difference]: Without dead ends: 98 [2021-02-19 16:56:43,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-19 16:56:43,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2021-02-19 16:56:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-19 16:56:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2021-02-19 16:56:43,795 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2021-02-19 16:56:43,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:43,796 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2021-02-19 16:56:43,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:43,796 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-02-19 16:56:43,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:56:43,798 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:43,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:43,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:43,799 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:43,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:43,800 INFO L82 PathProgramCache]: Analyzing trace with hash 457294286, now seen corresponding path program 1 times [2021-02-19 16:56:43,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:43,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043891930] [2021-02-19 16:56:43,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:43,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:43,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:43,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,267 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:44,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:44,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:56:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,363 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 16:56:44,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043891930] [2021-02-19 16:56:44,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:44,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:44,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132567541] [2021-02-19 16:56:44,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:44,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:44,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:44,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:44,366 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2021-02-19 16:56:44,826 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:45,282 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:45,628 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:45,948 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:46,712 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2021-02-19 16:56:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 16:56:46,712 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-19 16:56:46,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:46,715 INFO L225 Difference]: With dead ends: 150 [2021-02-19 16:56:46,715 INFO L226 Difference]: Without dead ends: 98 [2021-02-19 16:56:46,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-19 16:56:46,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-19 16:56:46,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2021-02-19 16:56:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-19 16:56:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2021-02-19 16:56:46,753 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2021-02-19 16:56:46,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:46,754 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-02-19 16:56:46,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-02-19 16:56:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-19 16:56:46,756 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:46,756 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] [2021-02-19 16:56:46,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:46,756 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:46,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:46,757 INFO L82 PathProgramCache]: Analyzing trace with hash 464747519, now seen corresponding path program 1 times [2021-02-19 16:56:46,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:46,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124205258] [2021-02-19 16:56:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:46,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:47,171 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:47,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:47,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:47,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:47,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:47,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 16:56:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:47,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 16:56:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:56:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:47,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:47,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:47,318 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 16:56:47,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124205258] [2021-02-19 16:56:47,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:47,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 16:56:47,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107169153] [2021-02-19 16:56:47,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 16:56:47,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:47,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 16:56:47,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:56:47,322 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2021-02-19 16:56:47,737 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:48,756 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:49,153 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:49,546 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:49,874 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:50,297 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:50,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:50,709 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2021-02-19 16:56:50,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:50,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2021-02-19 16:56:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:50,714 INFO L225 Difference]: With dead ends: 204 [2021-02-19 16:56:50,714 INFO L226 Difference]: Without dead ends: 152 [2021-02-19 16:56:50,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-19 16:56:50,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2021-02-19 16:56:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-02-19 16:56:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2021-02-19 16:56:50,761 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2021-02-19 16:56:50,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:50,762 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2021-02-19 16:56:50,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 16:56:50,762 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2021-02-19 16:56:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 16:56:50,763 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:50,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:50,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:50,764 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:50,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:50,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1388370301, now seen corresponding path program 1 times [2021-02-19 16:56:50,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:50,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863238671] [2021-02-19 16:56:50,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:50,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:50,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:50,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:50,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:50,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:50,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:50,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:50,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,133 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:56:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 16:56:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:51,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:56:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:51,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:51,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:51,222 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 16:56:51,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863238671] [2021-02-19 16:56:51,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:51,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:51,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002350797] [2021-02-19 16:56:51,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:51,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:51,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:51,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:51,224 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2021-02-19 16:56:51,693 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:52,653 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:53,065 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:53,477 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:53,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:53,692 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2021-02-19 16:56:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:56:53,693 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-19 16:56:53,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:53,694 INFO L225 Difference]: With dead ends: 235 [2021-02-19 16:56:53,695 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:53,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:53,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:53,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-19 16:56:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:53,698 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:53,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:53,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:53,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:53,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:53,949 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2021-02-19 16:56:55,734 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-19 16:56:55,986 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-19 16:56:56,504 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:56:56,741 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:56:57,037 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-19 16:56:57,594 WARN L202 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:56:57,967 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-19 16:56:58,240 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-19 16:56:58,547 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-19 16:56:59,055 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2021-02-19 16:56:59,383 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:59,644 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:00,149 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:00,684 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-19 16:57:00,926 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:01,219 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,514 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,806 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:02,321 WARN L202 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:02,387 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point L385(line 385) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point L384-2(lines 384 405) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point L406(lines 383 407) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 359 414) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 359 414) no Hoare annotation was computed. [2021-02-19 16:57:02,388 INFO L189 CegarLoopUtils]: For program point L390(lines 390 394) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point L390-1(lines 390 394) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 359 414) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point L447(lines 447 451) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point L447-1(lines 447 451) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point L442(line 442) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point L441-2(lines 441 466) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 415 474) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point L467(lines 440 468) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 415 474) no Hoare annotation was computed. [2021-02-19 16:57:02,389 INFO L189 CegarLoopUtils]: For program point L460(line 460) no Hoare annotation was computed. [2021-02-19 16:57:02,390 INFO L189 CegarLoopUtils]: For program point L460-1(line 460) no Hoare annotation was computed. [2021-02-19 16:57:02,390 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 415 474) no Hoare annotation was computed. [2021-02-19 16:57:02,390 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 854 860) the Hoare annotation is: true [2021-02-19 16:57:02,390 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 854 860) no Hoare annotation was computed. [2021-02-19 16:57:02,391 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 861 869) no Hoare annotation was computed. [2021-02-19 16:57:02,391 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 861 869) the Hoare annotation is: true [2021-02-19 16:57:02,391 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 861 869) no Hoare annotation was computed. [2021-02-19 16:57:02,391 INFO L185 CegarLoopUtils]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,391 INFO L185 CegarLoopUtils]: At program point L289-1(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,391 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 283 305) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,392 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 283 305) no Hoare annotation was computed. [2021-02-19 16:57:02,392 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 283 305) no Hoare annotation was computed. [2021-02-19 16:57:02,392 INFO L185 CegarLoopUtils]: At program point L295(line 295) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2021-02-19 16:57:02,392 INFO L185 CegarLoopUtils]: At program point L295-1(line 295) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2021-02-19 16:57:02,392 INFO L189 CegarLoopUtils]: For program point L293(lines 293 300) no Hoare annotation was computed. [2021-02-19 16:57:02,392 INFO L189 CegarLoopUtils]: For program point L293-1(lines 293 300) no Hoare annotation was computed. [2021-02-19 16:57:02,392 INFO L189 CegarLoopUtils]: For program point L291(line 291) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L185 CegarLoopUtils]: At program point L290(line 290) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point L257(line 257) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point L256(line 256) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 239 262) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point L255(line 255) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point L254(line 254) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point L253(line 253) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 239 262) no Hoare annotation was computed. [2021-02-19 16:57:02,393 INFO L189 CegarLoopUtils]: For program point L252(line 252) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 239 262) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L251(line 251) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L250(line 250) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L249(line 249) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L248(line 248) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L247(line 247) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L246(line 246) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L245(line 245) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point L244(line 244) no Hoare annotation was computed. [2021-02-19 16:57:02,394 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 711 718) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 711 718) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 711 718) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 756 764) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 756 764) the Hoare annotation is: true [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 756 764) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point L795(line 795) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point L795-1(line 795) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point L784(lines 784 792) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 765 800) no Hoare annotation was computed. [2021-02-19 16:57:02,395 INFO L189 CegarLoopUtils]: For program point L784-2(lines 784 792) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 765 800) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point L772(lines 772 780) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 765 800) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 847 853) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 847 853) the Hoare annotation is: true [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 313 358) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 313 358) no Hoare annotation was computed. [2021-02-19 16:57:02,396 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 313 358) no Hoare annotation was computed. [2021-02-19 16:57:02,397 INFO L189 CegarLoopUtils]: For program point L640(lines 640 660) no Hoare annotation was computed. [2021-02-19 16:57:02,397 INFO L189 CegarLoopUtils]: For program point L640-1(lines 640 660) no Hoare annotation was computed. [2021-02-19 16:57:02,397 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 626 671) no Hoare annotation was computed. [2021-02-19 16:57:02,397 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 626 671) no Hoare annotation was computed. [2021-02-19 16:57:02,397 INFO L189 CegarLoopUtils]: For program point L646(lines 646 653) no Hoare annotation was computed. [2021-02-19 16:57:02,397 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 626 671) no Hoare annotation was computed. [2021-02-19 16:57:02,397 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 270 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,397 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 270 279) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 270 279) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 745 755) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point L750(line 750) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point L750-1(line 750) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 745 755) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 745 755) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point deactivatePumpENTRY(lines 737 744) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 737 744) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 737 744) no Hoare annotation was computed. [2021-02-19 16:57:02,398 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 704 710) no Hoare annotation was computed. [2021-02-19 16:57:02,399 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 704 710) the Hoare annotation is: true [2021-02-19 16:57:02,399 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 140 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,399 INFO L189 CegarLoopUtils]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-02-19 16:57:02,399 INFO L185 CegarLoopUtils]: At program point L188-2(lines 180 193) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,399 INFO L189 CegarLoopUtils]: For program point L151(lines 150 197) no Hoare annotation was computed. [2021-02-19 16:57:02,399 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 140 205) no Hoare annotation was computed. [2021-02-19 16:57:02,399 INFO L185 CegarLoopUtils]: At program point L182(line 182) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,400 INFO L189 CegarLoopUtils]: For program point L180(lines 180 193) no Hoare annotation was computed. [2021-02-19 16:57:02,400 INFO L185 CegarLoopUtils]: At program point L172(line 172) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,400 INFO L189 CegarLoopUtils]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-02-19 16:57:02,400 INFO L189 CegarLoopUtils]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2021-02-19 16:57:02,400 INFO L185 CegarLoopUtils]: At program point L195(lines 150 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,400 INFO L185 CegarLoopUtils]: At program point L162(line 162) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,400 INFO L189 CegarLoopUtils]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L185 CegarLoopUtils]: At program point L198(lines 149 199) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 140 205) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 580 625) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point L600(lines 600 607) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 580 625) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point L594(lines 594 614) no Hoare annotation was computed. [2021-02-19 16:57:02,401 INFO L189 CegarLoopUtils]: For program point L594-1(lines 594 614) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 580 625) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point L112(lines 112 120) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 477 579) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point L506(lines 506 522) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point L566(lines 566 573) no Hoare annotation was computed. [2021-02-19 16:57:02,402 INFO L189 CegarLoopUtils]: For program point L527(lines 526 546) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L523(lines 523 564) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 477 579) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L542-1(line 542) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L501(lines 501 505) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L565(lines 565 576) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 477 579) no Hoare annotation was computed. [2021-02-19 16:57:02,403 INFO L189 CegarLoopUtils]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-02-19 16:57:02,404 INFO L189 CegarLoopUtils]: For program point L526-2(lines 526 546) no Hoare annotation was computed. [2021-02-19 16:57:02,404 INFO L189 CegarLoopUtils]: For program point L547(lines 525 548) no Hoare annotation was computed. [2021-02-19 16:57:02,404 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 837 846) no Hoare annotation was computed. [2021-02-19 16:57:02,404 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 837 846) no Hoare annotation was computed. [2021-02-19 16:57:02,404 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 837 846) no Hoare annotation was computed. [2021-02-19 16:57:02,404 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.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~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#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)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 720 736) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point L731(line 731) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point L731-1(lines 720 736) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 720 736) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point L727(lines 727 733) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point L725(line 725) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point L725-1(line 725) no Hoare annotation was computed. [2021-02-19 16:57:02,405 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 127 135) no Hoare annotation was computed. [2021-02-19 16:57:02,406 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2021-02-19 16:57:02,406 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2021-02-19 16:57:02,406 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:02,406 INFO L189 CegarLoopUtils]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-02-19 16:57:02,406 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-02-19 16:57:02,406 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,406 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,406 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,407 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2021-02-19 16:57:02,407 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2021-02-19 16:57:02,407 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2021-02-19 16:57:02,407 INFO L185 CegarLoopUtils]: At program point L693(line 693) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,407 INFO L185 CegarLoopUtils]: At program point L691(lines 691 697) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,407 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 680 703) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,407 INFO L185 CegarLoopUtils]: At program point L686(line 686) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,407 INFO L189 CegarLoopUtils]: For program point L684(lines 683 702) no Hoare annotation was computed. [2021-02-19 16:57:02,407 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 680 703) no Hoare annotation was computed. [2021-02-19 16:57:02,408 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 680 703) no Hoare annotation was computed. [2021-02-19 16:57:02,408 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 208 237) no Hoare annotation was computed. [2021-02-19 16:57:02,408 INFO L189 CegarLoopUtils]: For program point L222(lines 222 226) no Hoare annotation was computed. [2021-02-19 16:57:02,408 INFO L192 CegarLoopUtils]: At program point L222-1(lines 222 226) the Hoare annotation is: true [2021-02-19 16:57:02,408 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 208 237) the Hoare annotation is: true [2021-02-19 16:57:02,408 INFO L189 CegarLoopUtils]: For program point L219(line 219) no Hoare annotation was computed. [2021-02-19 16:57:02,408 INFO L192 CegarLoopUtils]: At program point L218-2(lines 218 232) the Hoare annotation is: true [2021-02-19 16:57:02,408 INFO L192 CegarLoopUtils]: At program point L214(line 214) the Hoare annotation is: true [2021-02-19 16:57:02,408 INFO L189 CegarLoopUtils]: For program point L214-1(line 214) no Hoare annotation was computed. [2021-02-19 16:57:02,409 INFO L192 CegarLoopUtils]: At program point L233(lines 208 237) the Hoare annotation is: true [2021-02-19 16:57:02,409 INFO L189 CegarLoopUtils]: For program point L229(line 229) no Hoare annotation was computed. [2021-02-19 16:57:02,409 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: true [2021-02-19 16:57:02,409 INFO L189 CegarLoopUtils]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2021-02-19 16:57:02,409 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2021-02-19 16:57:02,409 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 263 269) no Hoare annotation was computed. [2021-02-19 16:57:02,409 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 263 269) the Hoare annotation is: true [2021-02-19 16:57:02,409 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,409 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 16:57:02,410 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:02,410 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:02,410 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 801 808) no Hoare annotation was computed. [2021-02-19 16:57:02,410 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 801 808) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-19 16:57:02,410 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 801 808) no Hoare annotation was computed. [2021-02-19 16:57:02,410 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-02-19 16:57:02,410 INFO L189 CegarLoopUtils]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-02-19 16:57:02,410 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,410 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2021-02-19 16:57:02,411 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-02-19 16:57:02,411 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2021-02-19 16:57:02,411 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2021-02-19 16:57:02,411 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 810 834) the Hoare annotation is: true [2021-02-19 16:57:02,411 INFO L185 CegarLoopUtils]: At program point L824(line 824) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,411 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 810 834) no Hoare annotation was computed. [2021-02-19 16:57:02,411 INFO L189 CegarLoopUtils]: For program point L822(lines 822 828) no Hoare annotation was computed. [2021-02-19 16:57:02,411 INFO L185 CegarLoopUtils]: At program point L820(line 820) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:02,411 INFO L189 CegarLoopUtils]: For program point L820-1(line 820) no Hoare annotation was computed. [2021-02-19 16:57:02,412 INFO L189 CegarLoopUtils]: For program point L818(lines 818 831) no Hoare annotation was computed. [2021-02-19 16:57:02,412 INFO L189 CegarLoopUtils]: For program point L818-1(lines 810 834) no Hoare annotation was computed. [2021-02-19 16:57:02,412 INFO L192 CegarLoopUtils]: At program point L816(line 816) the Hoare annotation is: true [2021-02-19 16:57:02,412 INFO L189 CegarLoopUtils]: For program point L816-1(line 816) no Hoare annotation was computed. [2021-02-19 16:57:02,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:02 BoogieIcfgContainer [2021-02-19 16:57:02,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:02,430 INFO L168 Benchmark]: Toolchain (without parser) took 24296.90 ms. Allocated memory was 173.0 MB in the beginning and 571.5 MB in the end (delta: 398.5 MB). Free memory was 146.6 MB in the beginning and 496.0 MB in the end (delta: -349.4 MB). Peak memory consumption was 342.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,430 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 173.0 MB. Free memory is still 145.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:02,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.53 ms. Allocated memory is still 173.0 MB. Free memory was 145.3 MB in the beginning and 125.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,431 INFO L168 Benchmark]: Boogie Preprocessor took 163.28 ms. Allocated memory is still 173.0 MB. Free memory was 125.8 MB in the beginning and 121.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,432 INFO L168 Benchmark]: RCFGBuilder took 1149.47 ms. Allocated memory is still 173.0 MB. Free memory was 121.9 MB in the beginning and 72.0 MB in the end (delta: 49.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,432 INFO L168 Benchmark]: TraceAbstraction took 22287.44 ms. Allocated memory was 173.0 MB in the beginning and 571.5 MB in the end (delta: 398.5 MB). Free memory was 72.0 MB in the beginning and 496.0 MB in the end (delta: -423.9 MB). Peak memory consumption was 266.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:02,435 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 173.0 MB. Free memory is still 145.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 670.53 ms. Allocated memory is still 173.0 MB. Free memory was 145.3 MB in the beginning and 125.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 163.28 ms. Allocated memory is still 173.0 MB. Free memory was 125.8 MB in the beginning and 121.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1149.47 ms. Allocated memory is still 173.0 MB. Free memory was 121.9 MB in the beginning and 72.0 MB in the end (delta: 49.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22287.44 ms. Allocated memory was 173.0 MB in the beginning and 571.5 MB in the end (delta: 398.5 MB). Free memory was 72.0 MB in the beginning and 496.0 MB in the end (delta: -423.9 MB). Peak memory consumption was 266.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: 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: 149]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 352 SDtfs, 440 SDslu, 248 SDs, 0 SdLazy, 1160 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, 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, 106 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 175 PreInvPairs, 205 NumberOfFragments, 635 HoareAnnotationTreeSize, 175 FomulaSimplifications, 31081 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 42 FomulaSimplificationsInter, 7386 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 75802 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...