/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_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 17:46:15,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 17:46:15,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 17:46:15,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 17:46:15,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 17:46:15,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 17:46:15,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 17:46:15,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 17:46:15,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 17:46:15,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 17:46:15,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 17:46:15,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 17:46:15,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 17:46:15,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 17:46:15,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 17:46:15,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 17:46:15,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 17:46:15,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 17:46:15,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 17:46:15,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 17:46:15,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 17:46:15,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 17:46:15,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 17:46:15,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 17:46:15,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 17:46:15,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 17:46:15,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 17:46:15,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 17:46:15,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 17:46:15,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 17:46:15,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 17:46:15,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 17:46:15,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 17:46:15,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 17:46:15,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 17:46:15,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 17:46:15,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 17:46:15,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 17:46:15,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 17:46:15,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 17:46:15,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 17:46:15,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 17:46:15,769 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 17:46:15,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 17:46:15,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 17:46:15,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 17:46:15,777 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 17:46:15,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 17:46:15,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 17:46:15,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 17:46:15,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 17:46:15,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 17:46:15,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 17:46:15,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 17:46:15,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 17:46:15,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 17:46:15,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 17:46:15,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 17:46:15,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 17:46:15,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 17:46:15,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 17:46:15,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 17:46:15,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 17:46:15,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 17:46:15,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 17:46:15,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 17:46:15,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 17:46:15,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 17:46:15,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 17:46:15,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 17:46:15,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 17:46:15,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 17:46:16,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 17:46:16,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 17:46:16,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 17:46:16,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 17:46:16,235 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 17:46:16,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-10-23 17:46:16,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360a4c757/ea01abe503ce42158b3caeacf9238ac7/FLAGa8bfe031a [2020-10-23 17:46:17,011 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 17:46:17,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product43.cil.c [2020-10-23 17:46:17,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360a4c757/ea01abe503ce42158b3caeacf9238ac7/FLAGa8bfe031a [2020-10-23 17:46:17,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360a4c757/ea01abe503ce42158b3caeacf9238ac7 [2020-10-23 17:46:17,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 17:46:17,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 17:46:17,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 17:46:17,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 17:46:17,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 17:46:17,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:46:17" (1/1) ... [2020-10-23 17:46:17,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3171d7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:17, skipping insertion in model container [2020-10-23 17:46:17,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:46:17" (1/1) ... [2020-10-23 17:46:17,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 17:46:17,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 17:46:17,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:46:17,958 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 17:46:18,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:46:18,150 INFO L208 MainTranslator]: Completed translation [2020-10-23 17:46:18,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18 WrapperNode [2020-10-23 17:46:18,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 17:46:18,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 17:46:18,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 17:46:18,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 17:46:18,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... [2020-10-23 17:46:18,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... [2020-10-23 17:46:18,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... [2020-10-23 17:46:18,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... [2020-10-23 17:46:18,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... [2020-10-23 17:46:18,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... [2020-10-23 17:46:18,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... [2020-10-23 17:46:18,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 17:46:18,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 17:46:18,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 17:46:18,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 17:46:18,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 17:46:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 17:46:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 17:46:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 17:46:18,357 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 17:46:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 17:46:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 17:46:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 17:46:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 17:46:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 17:46:18,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 17:46:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 17:46:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 17:46:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 17:46:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 17:46:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 17:46:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 17:46:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 17:46:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 17:46:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 17:46:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-23 17:46:18,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 17:46:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 17:46:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 17:46:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 17:46:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 17:46:18,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 17:46:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-23 17:46:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 17:46:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 17:46:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 17:46:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 17:46:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 17:46:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 17:46:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 17:46:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-23 17:46:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-23 17:46:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-23 17:46:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 17:46:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 17:46:18,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 17:46:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 17:46:18,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 17:46:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 17:46:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 17:46:18,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 17:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 17:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 17:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 17:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 17:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 17:46:18,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 17:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 17:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 17:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 17:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 17:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 17:46:18,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 17:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 17:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 17:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 17:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 17:46:18,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 17:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 17:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 17:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 17:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 17:46:18,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 17:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 17:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 17:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 17:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-23 17:46:18,370 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 17:46:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 17:46:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 17:46:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 17:46:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 17:46:18,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 17:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-23 17:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 17:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 17:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 17:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 17:46:18,372 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 17:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 17:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 17:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-23 17:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-23 17:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 17:46:18,373 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 17:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 17:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-23 17:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 17:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 17:46:18,374 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 17:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 17:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 17:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 17:46:18,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 17:46:19,846 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 17:46:19,846 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 17:46:19,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:46:19 BoogieIcfgContainer [2020-10-23 17:46:19,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 17:46:19,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 17:46:19,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 17:46:19,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 17:46:19,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:46:17" (1/3) ... [2020-10-23 17:46:19,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7087db69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:46:19, skipping insertion in model container [2020-10-23 17:46:19,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:46:18" (2/3) ... [2020-10-23 17:46:19,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7087db69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:46:19, skipping insertion in model container [2020-10-23 17:46:19,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:46:19" (3/3) ... [2020-10-23 17:46:19,857 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-10-23 17:46:19,869 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 17:46:19,875 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 17:46:19,888 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 17:46:19,916 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 17:46:19,917 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 17:46:19,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 17:46:19,917 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 17:46:19,917 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 17:46:19,917 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 17:46:19,917 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 17:46:19,918 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 17:46:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-23 17:46:19,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-23 17:46:19,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:46:19,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:46:19,953 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:46:19,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:46:19,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1582060956, now seen corresponding path program 1 times [2020-10-23 17:46:19,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:46:19,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031901138] [2020-10-23 17:46:19,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:46:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,037 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:46:21,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:46:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:46:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:46:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:46:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:46:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:46:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:46:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-23 17:46:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:46:21,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031901138] [2020-10-23 17:46:21,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:46:21,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 17:46:21,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195300740] [2020-10-23 17:46:21,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 17:46:21,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:46:21,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 17:46:21,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:46:21,195 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-10-23 17:46:23,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:46:23,182 INFO L93 Difference]: Finished difference Result 313 states and 397 transitions. [2020-10-23 17:46:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 17:46:23,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-23 17:46:23,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:46:23,199 INFO L225 Difference]: With dead ends: 313 [2020-10-23 17:46:23,199 INFO L226 Difference]: Without dead ends: 171 [2020-10-23 17:46:23,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:46:23,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-23 17:46:23,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 140. [2020-10-23 17:46:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-23 17:46:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2020-10-23 17:46:23,312 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 60 [2020-10-23 17:46:23,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:46:23,313 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2020-10-23 17:46:23,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 17:46:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2020-10-23 17:46:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-23 17:46:23,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:46:23,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:46:23,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 17:46:23,318 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:46:23,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:46:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash 735872245, now seen corresponding path program 1 times [2020-10-23 17:46:23,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:46:23,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374270972] [2020-10-23 17:46:23,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:46:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,219 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:46:24,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:46:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:46:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:46:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:46:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:46:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:46:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 17:46:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-23 17:46:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:46:24,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374270972] [2020-10-23 17:46:24,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:46:24,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:46:24,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834668847] [2020-10-23 17:46:24,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:46:24,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:46:24,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:46:24,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:46:24,413 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 9 states. [2020-10-23 17:46:25,361 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:46:26,265 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:46:27,096 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:46:27,881 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:46:30,083 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:46:33,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:46:33,745 INFO L93 Difference]: Finished difference Result 476 states and 589 transitions. [2020-10-23 17:46:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 17:46:33,746 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-23 17:46:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:46:33,753 INFO L225 Difference]: With dead ends: 476 [2020-10-23 17:46:33,754 INFO L226 Difference]: Without dead ends: 364 [2020-10-23 17:46:33,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-23 17:46:33,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-23 17:46:33,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 296. [2020-10-23 17:46:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-23 17:46:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 357 transitions. [2020-10-23 17:46:33,857 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 357 transitions. Word has length 65 [2020-10-23 17:46:33,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:46:33,857 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 357 transitions. [2020-10-23 17:46:33,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:46:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 357 transitions. [2020-10-23 17:46:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-23 17:46:33,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:46:33,861 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:46:33,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 17:46:33,861 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:46:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:46:33,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1070097444, now seen corresponding path program 1 times [2020-10-23 17:46:33,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:46:33,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664893873] [2020-10-23 17:46:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:46:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,726 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:46:34,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:46:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:46:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:46:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:46:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:46:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:46:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:46:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:46:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-23 17:46:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-23 17:46:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:46:34,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664893873] [2020-10-23 17:46:34,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:46:34,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 17:46:34,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448284061] [2020-10-23 17:46:34,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 17:46:34,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:46:34,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 17:46:34,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 17:46:34,926 INFO L87 Difference]: Start difference. First operand 296 states and 357 transitions. Second operand 7 states. [2020-10-23 17:46:35,718 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:46:39,003 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:46:40,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:46:40,626 INFO L93 Difference]: Finished difference Result 850 states and 1125 transitions. [2020-10-23 17:46:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 17:46:40,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-10-23 17:46:40,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:46:40,634 INFO L225 Difference]: With dead ends: 850 [2020-10-23 17:46:40,634 INFO L226 Difference]: Without dead ends: 582 [2020-10-23 17:46:40,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 17:46:40,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-23 17:46:40,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 487. [2020-10-23 17:46:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-10-23 17:46:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 598 transitions. [2020-10-23 17:46:40,785 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 598 transitions. Word has length 73 [2020-10-23 17:46:40,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:46:40,785 INFO L481 AbstractCegarLoop]: Abstraction has 487 states and 598 transitions. [2020-10-23 17:46:40,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 17:46:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 598 transitions. [2020-10-23 17:46:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-23 17:46:40,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:46:40,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:46:40,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 17:46:40,789 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:46:40,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:46:40,789 INFO L82 PathProgramCache]: Analyzing trace with hash 376931306, now seen corresponding path program 1 times [2020-10-23 17:46:40,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:46:40,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325029853] [2020-10-23 17:46:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:46:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,586 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:46:41,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:46:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:46:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:46:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:46:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:46:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:46:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:46:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-23 17:46:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-23 17:46:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 17:46:41,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325029853] [2020-10-23 17:46:41,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:46:41,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:46:41,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527789223] [2020-10-23 17:46:41,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:46:41,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:46:41,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:46:41,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:46:41,758 INFO L87 Difference]: Start difference. First operand 487 states and 598 transitions. Second operand 9 states. [2020-10-23 17:46:42,724 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:46:44,228 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:46:46,660 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:46:47,472 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:46:48,290 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:46:49,199 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:46:50,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:46:50,863 INFO L93 Difference]: Finished difference Result 1018 states and 1301 transitions. [2020-10-23 17:46:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 17:46:50,864 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-23 17:46:50,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:46:50,874 INFO L225 Difference]: With dead ends: 1018 [2020-10-23 17:46:50,874 INFO L226 Difference]: Without dead ends: 559 [2020-10-23 17:46:50,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-23 17:46:50,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-10-23 17:46:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 484. [2020-10-23 17:46:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-23 17:46:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 589 transitions. [2020-10-23 17:46:51,014 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 589 transitions. Word has length 71 [2020-10-23 17:46:51,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:46:51,015 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 589 transitions. [2020-10-23 17:46:51,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:46:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 589 transitions. [2020-10-23 17:46:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-23 17:46:51,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:46:51,018 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:46:51,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 17:46:51,019 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:46:51,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:46:51,020 INFO L82 PathProgramCache]: Analyzing trace with hash -927885821, now seen corresponding path program 1 times [2020-10-23 17:46:51,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:46:51,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177433600] [2020-10-23 17:46:51,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:46:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,728 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:46:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:46:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:46:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:46:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:46:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:46:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 17:46:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:46:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:46:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:46:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:46:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:46:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:46:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:46:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:46:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-23 17:46:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 17:46:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:46:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:46:51,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177433600] [2020-10-23 17:46:51,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:46:51,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 17:46:51,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985557796] [2020-10-23 17:46:51,963 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 17:46:51,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:46:51,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 17:46:51,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 17:46:51,964 INFO L87 Difference]: Start difference. First operand 484 states and 589 transitions. Second operand 10 states. [2020-10-23 17:46:53,253 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:46:54,867 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:46:55,763 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:46:56,625 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:46:57,435 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:46:59,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:46:59,198 INFO L93 Difference]: Finished difference Result 958 states and 1219 transitions. [2020-10-23 17:46:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-23 17:46:59,199 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-10-23 17:46:59,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:46:59,205 INFO L225 Difference]: With dead ends: 958 [2020-10-23 17:46:59,205 INFO L226 Difference]: Without dead ends: 502 [2020-10-23 17:46:59,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2020-10-23 17:46:59,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-10-23 17:46:59,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 425. [2020-10-23 17:46:59,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-10-23 17:46:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 495 transitions. [2020-10-23 17:46:59,307 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 495 transitions. Word has length 99 [2020-10-23 17:46:59,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:46:59,307 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 495 transitions. [2020-10-23 17:46:59,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 17:46:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 495 transitions. [2020-10-23 17:46:59,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-23 17:46:59,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:46:59,317 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:46:59,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 17:46:59,317 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:46:59,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:46:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash 442042472, now seen corresponding path program 1 times [2020-10-23 17:46:59,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:46:59,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980952997] [2020-10-23 17:46:59,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:46:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,135 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:47:00,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:47:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:47:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:47:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:47:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:47:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:47:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:47:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:47:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-23 17:47:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-23 17:47:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:47:00,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980952997] [2020-10-23 17:47:00,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:47:00,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 17:47:00,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870612444] [2020-10-23 17:47:00,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 17:47:00,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:47:00,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 17:47:00,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-23 17:47:00,363 INFO L87 Difference]: Start difference. First operand 425 states and 495 transitions. Second operand 11 states. [2020-10-23 17:47:01,839 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:02,597 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:03,338 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:04,992 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:05,823 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:06,658 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:08,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:47:08,552 INFO L93 Difference]: Finished difference Result 909 states and 1128 transitions. [2020-10-23 17:47:08,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 17:47:08,554 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-10-23 17:47:08,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:47:08,558 INFO L225 Difference]: With dead ends: 909 [2020-10-23 17:47:08,558 INFO L226 Difference]: Without dead ends: 512 [2020-10-23 17:47:08,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-10-23 17:47:08,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-10-23 17:47:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 433. [2020-10-23 17:47:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-23 17:47:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2020-10-23 17:47:08,654 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 103 [2020-10-23 17:47:08,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:47:08,654 INFO L481 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2020-10-23 17:47:08,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 17:47:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2020-10-23 17:47:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-23 17:47:08,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:47:08,657 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:47:08,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 17:47:08,657 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:47:08,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:47:08,658 INFO L82 PathProgramCache]: Analyzing trace with hash 434283113, now seen corresponding path program 1 times [2020-10-23 17:47:08,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:47:08,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375899714] [2020-10-23 17:47:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:47:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,428 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:47:09,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:47:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:47:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:47:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:47:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:47:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:47:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:47:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:47:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-23 17:47:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-23 17:47:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:47:09,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375899714] [2020-10-23 17:47:09,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:47:09,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 17:47:09,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003708733] [2020-10-23 17:47:09,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 17:47:09,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:47:09,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 17:47:09,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 17:47:09,644 INFO L87 Difference]: Start difference. First operand 433 states and 503 transitions. Second operand 7 states. [2020-10-23 17:47:10,573 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:47:11,893 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:47:15,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:47:15,529 INFO L93 Difference]: Finished difference Result 1326 states and 1674 transitions. [2020-10-23 17:47:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 17:47:15,530 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-10-23 17:47:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:47:15,536 INFO L225 Difference]: With dead ends: 1326 [2020-10-23 17:47:15,537 INFO L226 Difference]: Without dead ends: 921 [2020-10-23 17:47:15,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-23 17:47:15,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-23 17:47:15,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 852. [2020-10-23 17:47:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-10-23 17:47:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1013 transitions. [2020-10-23 17:47:15,715 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1013 transitions. Word has length 103 [2020-10-23 17:47:15,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:47:15,716 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 1013 transitions. [2020-10-23 17:47:15,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 17:47:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1013 transitions. [2020-10-23 17:47:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-23 17:47:15,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:47:15,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:47:15,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 17:47:15,719 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:47:15,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:47:15,720 INFO L82 PathProgramCache]: Analyzing trace with hash -279292977, now seen corresponding path program 1 times [2020-10-23 17:47:15,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:47:15,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291539632] [2020-10-23 17:47:15,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:47:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,525 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:47:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:47:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:47:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:47:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:47:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:47:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-23 17:47:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-23 17:47:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:47:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:47:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 17:47:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-23 17:47:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:47:16,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291539632] [2020-10-23 17:47:16,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:47:16,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-23 17:47:16,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610442672] [2020-10-23 17:47:16,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 17:47:16,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:47:16,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 17:47:16,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-23 17:47:16,780 INFO L87 Difference]: Start difference. First operand 852 states and 1013 transitions. Second operand 12 states. [2020-10-23 17:47:18,070 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:47:19,578 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:47:21,176 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:47:22,114 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:47:22,862 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:47:23,740 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:47:24,543 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:47:27,830 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:47:28,632 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:30,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:47:30,304 INFO L93 Difference]: Finished difference Result 2384 states and 2985 transitions. [2020-10-23 17:47:30,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-23 17:47:30,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 107 [2020-10-23 17:47:30,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:47:30,321 INFO L225 Difference]: With dead ends: 2384 [2020-10-23 17:47:30,321 INFO L226 Difference]: Without dead ends: 1738 [2020-10-23 17:47:30,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-10-23 17:47:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2020-10-23 17:47:30,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1467. [2020-10-23 17:47:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1467 states. [2020-10-23 17:47:30,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1721 transitions. [2020-10-23 17:47:30,593 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1721 transitions. Word has length 107 [2020-10-23 17:47:30,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:47:30,593 INFO L481 AbstractCegarLoop]: Abstraction has 1467 states and 1721 transitions. [2020-10-23 17:47:30,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 17:47:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1721 transitions. [2020-10-23 17:47:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-23 17:47:30,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:47:30,597 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:47:30,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 17:47:30,598 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:47:30,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:47:30,599 INFO L82 PathProgramCache]: Analyzing trace with hash -768353814, now seen corresponding path program 1 times [2020-10-23 17:47:30,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:47:30,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139386105] [2020-10-23 17:47:30,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:47:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,296 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:47:31,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:47:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:47:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:47:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:47:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:47:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:47:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:47:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:47:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:47:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:47:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-23 17:47:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:47:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-23 17:47:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:47:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-23 17:47:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-23 17:47:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:47:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 17:47:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 17:47:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-23 17:47:31,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139386105] [2020-10-23 17:47:31,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850349985] [2020-10-23 17:47:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:47:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:47:32,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-23 17:47:32,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:47:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:47:32,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 17:47:32,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-10-23 17:47:32,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705042975] [2020-10-23 17:47:32,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-23 17:47:32,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:47:32,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-23 17:47:32,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-10-23 17:47:32,577 INFO L87 Difference]: Start difference. First operand 1467 states and 1721 transitions. Second operand 20 states. [2020-10-23 17:47:33,785 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:47:34,726 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:47:35,568 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:47:36,405 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:47:38,219 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-23 17:47:39,054 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-23 17:47:40,021 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:47:41,394 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 17:47:42,337 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-23 17:47:45,551 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:47:46,823 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:47:47,820 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:47:48,870 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:50,248 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:47:51,649 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:47:52,603 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:47:53,478 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-23 17:47:54,332 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:47:55,639 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:47:56,776 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:47:57,742 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:47:58,647 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:47:59,477 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-23 17:48:00,306 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:48:00,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:48:00,905 INFO L93 Difference]: Finished difference Result 2717 states and 3271 transitions. [2020-10-23 17:48:00,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-23 17:48:00,906 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 150 [2020-10-23 17:48:00,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:48:00,915 INFO L225 Difference]: With dead ends: 2717 [2020-10-23 17:48:00,916 INFO L226 Difference]: Without dead ends: 1444 [2020-10-23 17:48:00,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1341 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=890, Invalid=3802, Unknown=0, NotChecked=0, Total=4692 [2020-10-23 17:48:00,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2020-10-23 17:48:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1290. [2020-10-23 17:48:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1290 states. [2020-10-23 17:48:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1497 transitions. [2020-10-23 17:48:01,202 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1497 transitions. Word has length 150 [2020-10-23 17:48:01,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:48:01,203 INFO L481 AbstractCegarLoop]: Abstraction has 1290 states and 1497 transitions. [2020-10-23 17:48:01,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-23 17:48:01,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1497 transitions. [2020-10-23 17:48:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-23 17:48:01,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:48:01,212 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:48:01,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-23 17:48:01,426 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:48:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:48:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1859812839, now seen corresponding path program 1 times [2020-10-23 17:48:01,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:48:01,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163575345] [2020-10-23 17:48:01,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:48:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,258 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:48:02,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:48:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:48:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:48:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:48:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:48:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:48:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:48:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:48:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:48:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:48:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:48:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-23 17:48:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 17:48:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:48:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:48:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:48:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:48:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-23 17:48:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:48:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:48:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:48:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:48:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-23 17:48:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-23 17:48:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-23 17:48:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:48:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-23 17:48:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:48:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:48:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:48:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:48:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-23 17:48:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-23 17:48:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2020-10-23 17:48:02,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163575345] [2020-10-23 17:48:02,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691139938] [2020-10-23 17:48:02,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:48:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:48:03,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-23 17:48:03,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:48:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-23 17:48:03,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 17:48:03,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2020-10-23 17:48:03,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75126418] [2020-10-23 17:48:03,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 17:48:03,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:48:03,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 17:48:03,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:48:03,358 INFO L87 Difference]: Start difference. First operand 1290 states and 1497 transitions. Second operand 3 states. [2020-10-23 17:48:03,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:48:03,578 INFO L93 Difference]: Finished difference Result 1583 states and 1857 transitions. [2020-10-23 17:48:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 17:48:03,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2020-10-23 17:48:03,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:48:03,584 INFO L225 Difference]: With dead ends: 1583 [2020-10-23 17:48:03,584 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 17:48:03,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:48:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 17:48:03,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 17:48:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 17:48:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 17:48:03,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2020-10-23 17:48:03,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:48:03,591 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 17:48:03,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 17:48:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 17:48:03,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 17:48:03,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-23 17:48:03,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 17:48:04,636 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 211 [2020-10-23 17:48:05,701 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 256 [2020-10-23 17:48:07,617 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 251 [2020-10-23 17:48:08,407 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 248 [2020-10-23 17:48:08,735 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 255 [2020-10-23 17:48:10,206 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 213 [2020-10-23 17:48:10,650 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 261 [2020-10-23 17:48:11,311 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-10-23 17:48:13,786 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 177 DAG size of output: 26 [2020-10-23 17:48:14,396 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-23 17:48:15,056 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-23 17:48:15,852 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 26 [2020-10-23 17:48:16,363 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-23 17:48:17,099 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-23 17:48:19,404 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 183 DAG size of output: 29 [2020-10-23 17:48:19,936 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-10-23 17:48:20,634 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 21 [2020-10-23 17:48:21,153 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-10-23 17:48:22,483 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 192 DAG size of output: 32 [2020-10-23 17:48:23,200 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:48:24,012 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 45 [2020-10-23 17:48:27,973 WARN L193 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 231 DAG size of output: 41 [2020-10-23 17:48:28,513 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-10-23 17:48:29,165 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-10-23 17:48:32,970 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 203 DAG size of output: 34 [2020-10-23 17:48:33,628 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-10-23 17:48:34,858 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 193 DAG size of output: 35 [2020-10-23 17:48:38,474 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-10-23 17:48:42,307 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 224 DAG size of output: 32 [2020-10-23 17:48:44,459 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-10-23 17:48:45,092 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-10-23 17:48:45,770 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-23 17:48:47,310 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 184 DAG size of output: 33 [2020-10-23 17:48:47,998 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-23 17:48:49,458 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 173 DAG size of output: 25 [2020-10-23 17:48:51,162 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 194 DAG size of output: 32 [2020-10-23 17:48:52,090 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 14 [2020-10-23 17:48:52,769 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-23 17:48:53,451 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 15 [2020-10-23 17:48:53,906 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 38 [2020-10-23 17:48:54,561 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-23 17:48:55,218 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-23 17:48:57,910 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 197 DAG size of output: 36 [2020-10-23 17:48:58,555 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2020-10-23 17:48:58,785 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-10-23 17:48:59,423 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-23 17:49:00,057 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-10-23 17:49:00,704 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-23 17:49:03,224 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 176 DAG size of output: 23 [2020-10-23 17:49:03,823 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-23 17:49:08,947 WARN L193 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 207 DAG size of output: 38 [2020-10-23 17:49:10,146 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 196 DAG size of output: 33 [2020-10-23 17:49:10,151 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-23 17:49:10,151 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 17:49:10,152 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-23 17:49:10,152 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-23 17:49:10,152 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-10-23 17:49:10,152 INFO L274 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2020-10-23 17:49:10,152 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-23 17:49:10,152 INFO L274 CegarLoopResult]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2020-10-23 17:49:10,153 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2020-10-23 17:49:10,153 INFO L274 CegarLoopResult]: For program point L141(lines 118 142) no Hoare annotation was computed. [2020-10-23 17:49:10,153 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2020-10-23 17:49:10,153 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2020-10-23 17:49:10,154 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-10-23 17:49:10,154 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2020-10-23 17:49:10,154 INFO L274 CegarLoopResult]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2020-10-23 17:49:10,154 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-23 17:49:10,154 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2020-10-23 17:49:10,154 INFO L274 CegarLoopResult]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2020-10-23 17:49:10,154 INFO L274 CegarLoopResult]: For program point L202(lines 175 203) no Hoare annotation was computed. [2020-10-23 17:49:10,155 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2020-10-23 17:49:10,155 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-23 17:49:10,155 INFO L274 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-10-23 17:49:10,155 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 942 948) the Hoare annotation is: true [2020-10-23 17:49:10,155 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 942 948) no Hoare annotation was computed. [2020-10-23 17:49:10,155 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 949 957) no Hoare annotation was computed. [2020-10-23 17:49:10,155 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 949 957) the Hoare annotation is: true [2020-10-23 17:49:10,155 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 949 957) no Hoare annotation was computed. [2020-10-23 17:49:10,156 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 876 883) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-23 17:49:10,156 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 876 883) no Hoare annotation was computed. [2020-10-23 17:49:10,156 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 876 883) no Hoare annotation was computed. [2020-10-23 17:49:10,156 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 884 893) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 (not (= 0 ~systemActive~0)) .cse1) (or .cse4 .cse1 .cse2 .cse3) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2))) [2020-10-23 17:49:10,156 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 884 893) no Hoare annotation was computed. [2020-10-23 17:49:10,156 INFO L274 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-10-23 17:49:10,156 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 884 893) no Hoare annotation was computed. [2020-10-23 17:49:10,157 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 894 922) the Hoare annotation is: true [2020-10-23 17:49:10,157 INFO L270 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 (not (= 0 ~systemActive~0))) (or .cse3 .cse1 .cse2))) [2020-10-23 17:49:10,157 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 894 922) no Hoare annotation was computed. [2020-10-23 17:49:10,157 INFO L274 CegarLoopResult]: For program point L907(lines 907 913) no Hoare annotation was computed. [2020-10-23 17:49:10,157 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-23 17:49:10,157 INFO L270 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 (not (= 0 ~systemActive~0)) .cse1) (or .cse2 .cse0 .cse1))) [2020-10-23 17:49:10,157 INFO L274 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-10-23 17:49:10,158 INFO L274 CegarLoopResult]: For program point L902(lines 902 919) no Hoare annotation was computed. [2020-10-23 17:49:10,158 INFO L274 CegarLoopResult]: For program point L902-1(lines 894 922) no Hoare annotation was computed. [2020-10-23 17:49:10,158 INFO L277 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: true [2020-10-23 17:49:10,158 INFO L274 CegarLoopResult]: For program point L900-1(line 900) no Hoare annotation was computed. [2020-10-23 17:49:10,158 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 490 512) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:49:10,158 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 490 512) no Hoare annotation was computed. [2020-10-23 17:49:10,158 INFO L270 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 1) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:49:10,158 INFO L270 CegarLoopResult]: At program point L502-1(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~3 1) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:49:10,159 INFO L274 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-10-23 17:49:10,159 INFO L274 CegarLoopResult]: For program point L500-1(lines 500 507) no Hoare annotation was computed. [2020-10-23 17:49:10,159 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 17:49:10,159 INFO L270 CegarLoopResult]: At program point L497(line 497) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:49:10,159 INFO L270 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:49:10,159 INFO L270 CegarLoopResult]: At program point L496-1(line 496) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:49:10,159 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 490 512) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 443 466) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 443 466) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 443 466) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-23 17:49:10,160 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 17:49:10,161 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-23 17:49:10,161 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-23 17:49:10,161 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 17:49:10,161 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-23 17:49:10,161 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-23 17:49:10,161 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 17:49:10,161 INFO L270 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (let ((.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (= ~switchedOnBeforeTS~0 0) .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse3) (or (not (= |old(~systemActive~0)| 0)) .cse3))) [2020-10-23 17:49:10,162 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 763 777) no Hoare annotation was computed. [2020-10-23 17:49:10,162 INFO L274 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-10-23 17:49:10,165 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 763 777) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse2 .cse1 .cse3) (or .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= |old(~systemActive~0)| 0)) .cse0 .cse1) (or .cse0 .cse3 .cse1) (or .cse2 (= ~switchedOnBeforeTS~0 0) .cse1 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:49:10,165 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 763 777) no Hoare annotation was computed. [2020-10-23 17:49:10,166 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 699 707) no Hoare annotation was computed. [2020-10-23 17:49:10,166 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 699 707) the Hoare annotation is: true [2020-10-23 17:49:10,166 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 699 707) no Hoare annotation was computed. [2020-10-23 17:49:10,166 INFO L274 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-10-23 17:49:10,166 INFO L274 CegarLoopResult]: For program point L727(lines 727 735) no Hoare annotation was computed. [2020-10-23 17:49:10,166 INFO L274 CegarLoopResult]: For program point L727-2(lines 727 735) no Hoare annotation was computed. [2020-10-23 17:49:10,166 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 708 743) no Hoare annotation was computed. [2020-10-23 17:49:10,166 INFO L274 CegarLoopResult]: For program point L715(lines 715 723) no Hoare annotation was computed. [2020-10-23 17:49:10,167 INFO L274 CegarLoopResult]: For program point L715-2(lines 715 723) no Hoare annotation was computed. [2020-10-23 17:49:10,167 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 708 743) no Hoare annotation was computed. [2020-10-23 17:49:10,167 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 708 743) no Hoare annotation was computed. [2020-10-23 17:49:10,167 INFO L274 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-10-23 17:49:10,167 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 935 941) no Hoare annotation was computed. [2020-10-23 17:49:10,167 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 935 941) the Hoare annotation is: true [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point L385(lines 385 386) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point L381(lines 381 388) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point L375(lines 375 395) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 385 386) no Hoare annotation was computed. [2020-10-23 17:49:10,168 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 392 393) no Hoare annotation was computed. [2020-10-23 17:49:10,169 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2020-10-23 17:49:10,169 INFO L274 CegarLoopResult]: For program point L392(lines 392 393) no Hoare annotation was computed. [2020-10-23 17:49:10,169 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2020-10-23 17:49:10,169 INFO L270 CegarLoopResult]: At program point L481(line 481) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-10-23 17:49:10,169 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 476 486) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:49:10,169 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 476 486) no Hoare annotation was computed. [2020-10-23 17:49:10,169 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 476 486) no Hoare annotation was computed. [2020-10-23 17:49:10,170 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 688 698) the Hoare annotation is: true [2020-10-23 17:49:10,170 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 688 698) no Hoare annotation was computed. [2020-10-23 17:49:10,170 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 688 698) no Hoare annotation was computed. [2020-10-23 17:49:10,170 INFO L277 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: true [2020-10-23 17:49:10,170 INFO L274 CegarLoopResult]: For program point L693-1(line 693) no Hoare annotation was computed. [2020-10-23 17:49:10,170 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 680 687) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-10-23 17:49:10,172 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 680 687) no Hoare annotation was computed. [2020-10-23 17:49:10,172 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 680 687) no Hoare annotation was computed. [2020-10-23 17:49:10,172 INFO L274 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-10-23 17:49:10,172 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 859 872) no Hoare annotation was computed. [2020-10-23 17:49:10,172 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 859 872) the Hoare annotation is: true [2020-10-23 17:49:10,172 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 859 872) no Hoare annotation was computed. [2020-10-23 17:49:10,172 INFO L270 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0))) [2020-10-23 17:49:10,173 INFO L274 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-10-23 17:49:10,173 INFO L270 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-10-23 17:49:10,173 INFO L274 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-10-23 17:49:10,173 INFO L274 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-10-23 17:49:10,173 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 629 653) no Hoare annotation was computed. [2020-10-23 17:49:10,173 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 629 653) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1))) [2020-10-23 17:49:10,173 INFO L270 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2020-10-23 17:49:10,173 INFO L274 CegarLoopResult]: For program point L648-1(lines 629 653) no Hoare annotation was computed. [2020-10-23 17:49:10,174 INFO L270 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-10-23 17:49:10,174 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 621 627) no Hoare annotation was computed. [2020-10-23 17:49:10,174 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 621 627) the Hoare annotation is: true [2020-10-23 17:49:10,174 INFO L274 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-23 17:49:10,174 INFO L274 CegarLoopResult]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2020-10-23 17:49:10,174 INFO L270 CegarLoopResult]: At program point testENTRY(lines 515 580) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:49:10,174 INFO L270 CegarLoopResult]: At program point L570(lines 525 572) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (and .cse4 .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and .cse3 .cse4 .cse0 .cse2) (and (= 0 ~systemActive~0) (= ~pumpRunning~0 0) .cse2))) [2020-10-23 17:49:10,175 INFO L270 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3))) [2020-10-23 17:49:10,175 INFO L274 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-10-23 17:49:10,175 INFO L274 CegarLoopResult]: For program point testFINAL(lines 515 580) no Hoare annotation was computed. [2020-10-23 17:49:10,175 INFO L274 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-10-23 17:49:10,177 INFO L274 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-10-23 17:49:10,177 INFO L270 CegarLoopResult]: At program point L573(lines 524 574) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-23 17:49:10,177 INFO L270 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (and .cse3 .cse0 .cse2) (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~switchedOnBeforeTS~0 0)) .cse2) (and (= 0 ~systemActive~0) .cse1 .cse2))) [2020-10-23 17:49:10,177 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-10-23 17:49:10,177 INFO L270 CegarLoopResult]: At program point L561-1(lines 555 568) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3))) [2020-10-23 17:49:10,178 INFO L274 CegarLoopResult]: For program point L526(lines 525 572) no Hoare annotation was computed. [2020-10-23 17:49:10,178 INFO L274 CegarLoopResult]: For program point L555(lines 555 568) no Hoare annotation was computed. [2020-10-23 17:49:10,178 INFO L270 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3))) [2020-10-23 17:49:10,178 INFO L274 CegarLoopResult]: For program point testEXIT(lines 515 580) no Hoare annotation was computed. [2020-10-23 17:49:10,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 339 340) no Hoare annotation was computed. [2020-10-23 17:49:10,179 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 346 347) no Hoare annotation was computed. [2020-10-23 17:49:10,179 INFO L274 CegarLoopResult]: For program point L346(lines 346 347) no Hoare annotation was computed. [2020-10-23 17:49:10,179 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2020-10-23 17:49:10,179 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2020-10-23 17:49:10,179 INFO L274 CegarLoopResult]: For program point L339(lines 339 340) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point L335(lines 335 342) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point L329(lines 329 349) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 654 661) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 654 661) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 654 661) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point L835-2(lines 835 843) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 827 849) no Hoare annotation was computed. [2020-10-23 17:49:10,180 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 827 849) no Hoare annotation was computed. [2020-10-23 17:49:10,181 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 827 849) no Hoare annotation was computed. [2020-10-23 17:49:10,181 INFO L274 CegarLoopResult]: For program point L835(lines 835 843) no Hoare annotation was computed. [2020-10-23 17:49:10,181 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L300(lines 300 311) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L282(lines 260 283) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L241(lines 241 257) no Hoare annotation was computed. [2020-10-23 17:49:10,182 INFO L274 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point L262(lines 261 281) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point L258(lines 258 299) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 925 934) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 925 934) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 925 934) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:49:10,183 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-23 17:49:10,184 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:49:10,184 INFO L274 CegarLoopResult]: For program point L674-1(lines 663 679) no Hoare annotation was computed. [2020-10-23 17:49:10,184 INFO L274 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2020-10-23 17:49:10,184 INFO L270 CegarLoopResult]: At program point L668(line 668) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-23 17:49:10,184 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 663 679) no Hoare annotation was computed. [2020-10-23 17:49:10,184 INFO L274 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-10-23 17:49:10,184 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 663 679) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-23 17:49:10,184 INFO L270 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-23 17:49:10,184 INFO L274 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2020-10-23 17:49:10,184 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L277 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: true [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point L751-1(line 751) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 850 858) the Hoare annotation is: true [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 850 858) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 850 858) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-23 17:49:10,185 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:49:10,186 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 806 817) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse3 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2))) [2020-10-23 17:49:10,186 INFO L274 CegarLoopResult]: For program point L810-1(lines 806 817) no Hoare annotation was computed. [2020-10-23 17:49:10,186 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 806 817) no Hoare annotation was computed. [2020-10-23 17:49:10,186 INFO L270 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or (and (= ~waterLevel~0 1) .cse5 .cse6) .cse7 .cse2 .cse3) (or (and .cse5 .cse6) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse7 .cse3) (or (not (= 0 ~systemActive~0)) .cse4 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse8)))) [2020-10-23 17:49:10,186 INFO L270 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) .cse3) (or .cse4 .cse3 .cse5) (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse4 .cse3) (or (not (= 0 ~systemActive~0)) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse5))) [2020-10-23 17:49:10,186 INFO L274 CegarLoopResult]: For program point L601(lines 597 619) no Hoare annotation was computed. [2020-10-23 17:49:10,186 INFO L274 CegarLoopResult]: For program point L599(lines 597 619) no Hoare annotation was computed. [2020-10-23 17:49:10,187 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 594 620) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and (= 2 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 .cse6) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse4 .cse6) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse2 .cse5 .cse4)))) [2020-10-23 17:49:10,187 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 594 620) no Hoare annotation was computed. [2020-10-23 17:49:10,187 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 594 620) no Hoare annotation was computed. [2020-10-23 17:49:10,187 INFO L270 CegarLoopResult]: At program point L610(line 610) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 .cse3 .cse4) (or (and (= 2 ~waterLevel~0) .cse5) .cse3 .cse4 .cse6) (or (not (= 0 ~systemActive~0)) .cse6) (or (and .cse0 .cse1) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse5)))) [2020-10-23 17:49:10,187 INFO L277 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: true [2020-10-23 17:49:10,187 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 410 439) no Hoare annotation was computed. [2020-10-23 17:49:10,187 INFO L274 CegarLoopResult]: For program point L416-1(line 416) no Hoare annotation was computed. [2020-10-23 17:49:10,187 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 410 439) the Hoare annotation is: true [2020-10-23 17:49:10,187 INFO L277 CegarLoopResult]: At program point L435(lines 410 439) the Hoare annotation is: true [2020-10-23 17:49:10,187 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-23 17:49:10,187 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-23 17:49:10,187 INFO L277 CegarLoopResult]: At program point L424-1(lines 424 428) the Hoare annotation is: true [2020-10-23 17:49:10,187 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-23 17:49:10,188 INFO L277 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: true [2020-10-23 17:49:10,188 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 818 826) the Hoare annotation is: true [2020-10-23 17:49:10,188 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 818 826) no Hoare annotation was computed. [2020-10-23 17:49:10,188 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 818 826) no Hoare annotation was computed. [2020-10-23 17:49:10,188 INFO L274 CegarLoopResult]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2020-10-23 17:49:10,188 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 782 793) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-10-23 17:49:10,188 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 782 793) no Hoare annotation was computed. [2020-10-23 17:49:10,188 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 467 473) no Hoare annotation was computed. [2020-10-23 17:49:10,188 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 467 473) the Hoare annotation is: true [2020-10-23 17:49:10,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:49:10,188 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-23 17:49:10,188 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 17:49:10,188 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:49:10,189 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 794 805) no Hoare annotation was computed. [2020-10-23 17:49:10,189 INFO L274 CegarLoopResult]: For program point L798-1(lines 794 805) no Hoare annotation was computed. [2020-10-23 17:49:10,189 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 794 805) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse5 .cse2 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse4))) [2020-10-23 17:49:10,189 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 959 966) no Hoare annotation was computed. [2020-10-23 17:49:10,189 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 959 966) the Hoare annotation is: true [2020-10-23 17:49:10,189 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 959 966) no Hoare annotation was computed. [2020-10-23 17:49:10,189 INFO L274 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-10-23 17:49:10,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:49:10 BoogieIcfgContainer [2020-10-23 17:49:10,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 17:49:10,211 INFO L168 Benchmark]: Toolchain (without parser) took 172924.75 ms. Allocated memory was 158.3 MB in the beginning and 690.0 MB in the end (delta: 531.6 MB). Free memory was 132.1 MB in the beginning and 502.2 MB in the end (delta: -370.1 MB). Peak memory consumption was 434.8 MB. Max. memory is 8.0 GB. [2020-10-23 17:49:10,212 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.5 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 17:49:10,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.08 ms. Allocated memory is still 158.3 MB. Free memory was 131.5 MB in the beginning and 110.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 17:49:10,213 INFO L168 Benchmark]: Boogie Preprocessor took 118.51 ms. Allocated memory is still 158.3 MB. Free memory was 110.3 MB in the beginning and 139.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:49:10,213 INFO L168 Benchmark]: RCFGBuilder took 1577.73 ms. Allocated memory is still 158.3 MB. Free memory was 139.9 MB in the beginning and 93.5 MB in the end (delta: 46.4 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. [2020-10-23 17:49:10,216 INFO L168 Benchmark]: TraceAbstraction took 170359.45 ms. Allocated memory was 158.3 MB in the beginning and 690.0 MB in the end (delta: 531.6 MB). Free memory was 93.0 MB in the beginning and 502.2 MB in the end (delta: -409.2 MB). Peak memory consumption was 395.6 MB. Max. memory is 8.0 GB. [2020-10-23 17:49:10,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.5 MB in the end (delta: 68.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 855.08 ms. Allocated memory is still 158.3 MB. Free memory was 131.5 MB in the beginning and 110.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.51 ms. Allocated memory is still 158.3 MB. Free memory was 110.3 MB in the beginning and 139.9 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1577.73 ms. Allocated memory is still 158.3 MB. Free memory was 139.9 MB in the beginning and 93.5 MB in the end (delta: 46.4 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 170359.45 ms. Allocated memory was 158.3 MB in the beginning and 690.0 MB in the end (delta: 531.6 MB). Free memory was 93.0 MB in the beginning and 502.2 MB in the end (delta: -409.2 MB). Peak memory consumption was 395.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 346]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 339]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 392]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == \old(pumpRunning)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((1 <= pumpRunning && 1 == systemActive) && pumpRunning <= switchedOnBeforeTS) && splverifierCounter == 0)) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == \old(pumpRunning)) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 103.8s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 89.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 66.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1552 SDtfs, 3087 SDslu, 2435 SDs, 0 SdLazy, 8784 SolverSat, 2085 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1034 GetRequests, 831 SyntacticMatches, 3 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1897 ImplicationChecksByTransitivity, 55.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1467occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 919 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2167 PreInvPairs, 2264 NumberOfFragments, 2166 HoareAnnotationTreeSize, 2167 FomulaSimplifications, 8700612 FormulaSimplificationTreeSizeReduction, 6.8s HoareSimplificationTime, 63 FomulaSimplificationsInter, 130177 FormulaSimplificationTreeSizeReductionInter, 59.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 1533 NumberOfCodeBlocks, 1533 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1521 ConstructedInterpolants, 0 QuantifiedInterpolants, 600601 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2235 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 598/620 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...