/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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:48:07,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:48:07,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:48:07,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:48:07,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:48:07,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:48:07,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:48:07,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:48:07,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:48:07,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:48:07,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:48:07,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:48:07,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:48:07,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:48:07,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:48:07,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:48:07,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:48:07,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:48:07,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:48:07,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:48:07,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:48:07,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:48:07,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:48:07,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:48:07,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:48:07,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:48:07,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:48:07,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:48:07,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:48:07,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:48:07,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:48:07,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:48:07,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:48:07,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:48:07,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:48:07,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:48:07,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:48:07,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:48:07,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:48:07,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:48:07,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:48:07,409 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 [2020-11-06 21:48:07,436 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:48:07,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:48:07,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:48:07,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:48:07,438 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:48:07,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:48:07,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:48:07,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:48:07,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:48:07,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:48:07,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:48:07,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:48:07,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:48:07,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:48:07,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:48:07,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:48:07,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:48:07,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:48:07,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:48:07,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:48:07,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:48:07,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:48:07,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:48:07,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:48:07,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:48:07,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:48:07,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:48:07,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:48:07,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:48:07,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:48:07,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:48:07,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:48:07,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:48:07,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:48:07,825 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:48:07,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-11-06 21:48:07,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e437a75b/2f61ef4b5abe426eb32c2596e85725bd/FLAG0d2c3a5fc [2020-11-06 21:48:08,762 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:48:08,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-11-06 21:48:08,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e437a75b/2f61ef4b5abe426eb32c2596e85725bd/FLAG0d2c3a5fc [2020-11-06 21:48:08,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e437a75b/2f61ef4b5abe426eb32c2596e85725bd [2020-11-06 21:48:08,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:48:09,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:48:09,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:48:09,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:48:09,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:48:09,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:48:08" (1/1) ... [2020-11-06 21:48:09,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f239d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09, skipping insertion in model container [2020-11-06 21:48:09,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:48:08" (1/1) ... [2020-11-06 21:48:09,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:48:09,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:48:09,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:48:09,405 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:48:09,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:48:09,546 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:48:09,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09 WrapperNode [2020-11-06 21:48:09,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:48:09,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:48:09,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:48:09,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:48:09,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (1/1) ... [2020-11-06 21:48:09,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (1/1) ... [2020-11-06 21:48:09,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (1/1) ... [2020-11-06 21:48:09,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (1/1) ... [2020-11-06 21:48:09,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (1/1) ... [2020-11-06 21:48:09,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (1/1) ... [2020-11-06 21:48:09,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (1/1) ... [2020-11-06 21:48:09,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:48:09,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:48:09,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:48:09,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:48:09,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (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 [2020-11-06 21:48:09,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:48:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:48:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:48:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:48:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:48:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:48:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:48:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:48:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:48:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:48:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:48:09,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:48:09,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:48:09,770 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:48:09,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:48:09,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:48:09,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:48:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 21:48:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-06 21:48:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 21:48:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:48:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:48:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:48:09,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:48:09,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:48:09,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:48:09,772 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:48:09,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:48:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:48:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:48:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:48:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:48:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:48:09,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:48:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:48:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:48:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:48:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:48:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:48:09,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:48:09,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:48:09,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 21:48:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:48:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:48:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:48:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:48:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:48:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:48:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:48:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:48:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:48:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:48:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:48:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:48:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:48:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:48:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 21:48:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:48:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:48:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:48:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:48:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:48:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-06 21:48:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 21:48:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:48:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:48:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:48:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:48:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 21:48:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:48:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:48:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:48:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:48:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:48:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:48:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:48:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:48:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:48:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:48:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:48:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:48:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:48:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:48:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:48:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:48:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:48:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:48:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:48:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:48:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:48:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:48:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:48:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:48:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:48:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:48:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:48:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:48:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:48:11,464 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:48:11,464 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:48:11,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:48:11 BoogieIcfgContainer [2020-11-06 21:48:11,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:48:11,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:48:11,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:48:11,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:48:11,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:48:08" (1/3) ... [2020-11-06 21:48:11,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1551cf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:48:11, skipping insertion in model container [2020-11-06 21:48:11,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:09" (2/3) ... [2020-11-06 21:48:11,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1551cf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:48:11, skipping insertion in model container [2020-11-06 21:48:11,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:48:11" (3/3) ... [2020-11-06 21:48:11,475 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-11-06 21:48:11,490 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:48:11,494 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:48:11,507 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:48:11,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:48:11,535 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:48:11,535 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:48:11,535 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:48:11,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:48:11,536 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:48:11,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:48:11,536 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:48:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-11-06 21:48:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-06 21:48:11,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:11,570 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] [2020-11-06 21:48:11,570 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]=== [2020-11-06 21:48:11,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:11,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1990397746, now seen corresponding path program 1 times [2020-11-06 21:48:11,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:11,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145714428] [2020-11-06 21:48:11,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,473 WARN L194 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:12,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:48:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 21:48:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:48:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:12,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145714428] [2020-11-06 21:48:12,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:12,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:48:12,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526320315] [2020-11-06 21:48:12,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:48:12,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:12,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:48:12,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:48:12,634 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2020-11-06 21:48:14,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:14,054 INFO L93 Difference]: Finished difference Result 291 states and 375 transitions. [2020-11-06 21:48:14,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 21:48:14,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-11-06 21:48:14,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:14,072 INFO L225 Difference]: With dead ends: 291 [2020-11-06 21:48:14,072 INFO L226 Difference]: Without dead ends: 160 [2020-11-06 21:48:14,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:48:14,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-11-06 21:48:14,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 129. [2020-11-06 21:48:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-11-06 21:48:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-11-06 21:48:14,183 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 60 [2020-11-06 21:48:14,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:14,184 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-11-06 21:48:14,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:48:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-11-06 21:48:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-06 21:48:14,188 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:14,188 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] [2020-11-06 21:48:14,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:48:14,189 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]=== [2020-11-06 21:48:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:14,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1137196220, now seen corresponding path program 1 times [2020-11-06 21:48:14,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:14,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290395901] [2020-11-06 21:48:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,781 WARN L194 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:48:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 21:48:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-06 21:48:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:14,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290395901] [2020-11-06 21:48:14,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:14,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 21:48:14,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543634144] [2020-11-06 21:48:14,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 21:48:14,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:14,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 21:48:14,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:48:14,927 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 5 states. [2020-11-06 21:48:15,609 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:16,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:16,625 INFO L93 Difference]: Finished difference Result 220 states and 269 transitions. [2020-11-06 21:48:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 21:48:16,626 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-11-06 21:48:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:16,629 INFO L225 Difference]: With dead ends: 220 [2020-11-06 21:48:16,629 INFO L226 Difference]: Without dead ends: 150 [2020-11-06 21:48:16,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:48:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-11-06 21:48:16,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 120. [2020-11-06 21:48:16,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-11-06 21:48:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2020-11-06 21:48:16,680 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 61 [2020-11-06 21:48:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:16,680 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2020-11-06 21:48:16,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 21:48:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2020-11-06 21:48:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-06 21:48:16,682 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:16,683 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] [2020-11-06 21:48:16,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:48:16,683 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]=== [2020-11-06 21:48:16,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:16,684 INFO L82 PathProgramCache]: Analyzing trace with hash -531102090, now seen corresponding path program 1 times [2020-11-06 21:48:16,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:16,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571259268] [2020-11-06 21:48:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,165 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:17,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:48:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:48:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-06 21:48:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:17,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571259268] [2020-11-06 21:48:17,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:17,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:48:17,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60798923] [2020-11-06 21:48:17,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:48:17,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:17,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:48:17,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:48:17,374 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand 9 states. [2020-11-06 21:48:17,925 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:18,406 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:18,833 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:19,227 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:20,446 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:22,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:22,379 INFO L93 Difference]: Finished difference Result 406 states and 500 transitions. [2020-11-06 21:48:22,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 21:48:22,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-11-06 21:48:22,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:22,386 INFO L225 Difference]: With dead ends: 406 [2020-11-06 21:48:22,386 INFO L226 Difference]: Without dead ends: 314 [2020-11-06 21:48:22,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-11-06 21:48:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-11-06 21:48:22,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 243. [2020-11-06 21:48:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-11-06 21:48:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 291 transitions. [2020-11-06 21:48:22,467 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 291 transitions. Word has length 66 [2020-11-06 21:48:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:22,468 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 291 transitions. [2020-11-06 21:48:22,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:48:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 291 transitions. [2020-11-06 21:48:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-06 21:48:22,471 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:22,471 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] [2020-11-06 21:48:22,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:48:22,472 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]=== [2020-11-06 21:48:22,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:22,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1352040012, now seen corresponding path program 1 times [2020-11-06 21:48:22,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:22,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758121522] [2020-11-06 21:48:22,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:22,955 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:22,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:22,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:22,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:22,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:23,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:48:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:23,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:48:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:23,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-06 21:48:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-11-06 21:48:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 21:48:23,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758121522] [2020-11-06 21:48:23,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:23,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:48:23,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937072125] [2020-11-06 21:48:23,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:48:23,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:23,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:48:23,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:48:23,143 INFO L87 Difference]: Start difference. First operand 243 states and 291 transitions. Second operand 9 states. [2020-11-06 21:48:23,750 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:24,800 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:25,915 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:26,437 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:26,915 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:27,358 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:28,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:28,216 INFO L93 Difference]: Finished difference Result 633 states and 818 transitions. [2020-11-06 21:48:28,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 21:48:28,217 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-11-06 21:48:28,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:28,223 INFO L225 Difference]: With dead ends: 633 [2020-11-06 21:48:28,223 INFO L226 Difference]: Without dead ends: 418 [2020-11-06 21:48:28,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-11-06 21:48:28,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-11-06 21:48:28,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 354. [2020-11-06 21:48:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-11-06 21:48:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 424 transitions. [2020-11-06 21:48:28,330 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 424 transitions. Word has length 71 [2020-11-06 21:48:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:28,331 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 424 transitions. [2020-11-06 21:48:28,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:48:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 424 transitions. [2020-11-06 21:48:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-06 21:48:28,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:28,335 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] [2020-11-06 21:48:28,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:48:28,335 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]=== [2020-11-06 21:48:28,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:28,336 INFO L82 PathProgramCache]: Analyzing trace with hash -570512885, now seen corresponding path program 1 times [2020-11-06 21:48:28,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:28,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376087033] [2020-11-06 21:48:28,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,730 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:48:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:48:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-11-06 21:48:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-06 21:48:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:28,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376087033] [2020-11-06 21:48:28,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:28,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:48:28,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395891712] [2020-11-06 21:48:28,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:48:28,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:28,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:48:28,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:48:28,922 INFO L87 Difference]: Start difference. First operand 354 states and 424 transitions. Second operand 9 states. [2020-11-06 21:48:30,355 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:30,793 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:48:31,256 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:31,673 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:32,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:32,541 INFO L93 Difference]: Finished difference Result 769 states and 978 transitions. [2020-11-06 21:48:32,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 21:48:32,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-11-06 21:48:32,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:32,546 INFO L225 Difference]: With dead ends: 769 [2020-11-06 21:48:32,546 INFO L226 Difference]: Without dead ends: 443 [2020-11-06 21:48:32,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:48:32,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-11-06 21:48:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 367. [2020-11-06 21:48:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-11-06 21:48:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 437 transitions. [2020-11-06 21:48:32,635 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 437 transitions. Word has length 89 [2020-11-06 21:48:32,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:32,635 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 437 transitions. [2020-11-06 21:48:32,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:48:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 437 transitions. [2020-11-06 21:48:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-06 21:48:32,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:32,638 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] [2020-11-06 21:48:32,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:48:32,638 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]=== [2020-11-06 21:48:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:32,639 INFO L82 PathProgramCache]: Analyzing trace with hash -547880631, now seen corresponding path program 1 times [2020-11-06 21:48:32,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:32,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663529102] [2020-11-06 21:48:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,058 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:33,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:48:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:48:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-11-06 21:48:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-06 21:48:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:33,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663529102] [2020-11-06 21:48:33,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:33,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 21:48:33,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310111640] [2020-11-06 21:48:33,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 21:48:33,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:33,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 21:48:33,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:48:33,247 INFO L87 Difference]: Start difference. First operand 367 states and 437 transitions. Second operand 11 states. [2020-11-06 21:48:33,934 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:34,333 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:34,715 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:35,795 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:36,244 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:36,690 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:37,771 INFO L93 Difference]: Finished difference Result 796 states and 1022 transitions. [2020-11-06 21:48:37,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 21:48:37,771 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-11-06 21:48:37,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:37,775 INFO L225 Difference]: With dead ends: 796 [2020-11-06 21:48:37,775 INFO L226 Difference]: Without dead ends: 457 [2020-11-06 21:48:37,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-11-06 21:48:37,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-11-06 21:48:37,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 375. [2020-11-06 21:48:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-11-06 21:48:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 445 transitions. [2020-11-06 21:48:37,876 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 445 transitions. Word has length 89 [2020-11-06 21:48:37,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:37,877 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 445 transitions. [2020-11-06 21:48:37,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 21:48:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 445 transitions. [2020-11-06 21:48:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-06 21:48:37,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:37,879 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] [2020-11-06 21:48:37,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 21:48:37,880 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]=== [2020-11-06 21:48:37,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:37,880 INFO L82 PathProgramCache]: Analyzing trace with hash 477611368, now seen corresponding path program 1 times [2020-11-06 21:48:37,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:37,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760601591] [2020-11-06 21:48:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,315 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:38,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:48:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-11-06 21:48:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-11-06 21:48:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-06 21:48:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:38,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760601591] [2020-11-06 21:48:38,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:38,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:48:38,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387892352] [2020-11-06 21:48:38,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:48:38,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:38,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:48:38,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:48:38,513 INFO L87 Difference]: Start difference. First operand 375 states and 445 transitions. Second operand 7 states. [2020-11-06 21:48:38,998 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:39,779 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:42,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:42,252 INFO L93 Difference]: Finished difference Result 1252 states and 1616 transitions. [2020-11-06 21:48:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 21:48:42,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2020-11-06 21:48:42,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:42,261 INFO L225 Difference]: With dead ends: 1252 [2020-11-06 21:48:42,261 INFO L226 Difference]: Without dead ends: 905 [2020-11-06 21:48:42,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-06 21:48:42,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-11-06 21:48:42,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 832. [2020-11-06 21:48:42,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-11-06 21:48:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1003 transitions. [2020-11-06 21:48:42,508 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1003 transitions. Word has length 89 [2020-11-06 21:48:42,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:42,509 INFO L481 AbstractCegarLoop]: Abstraction has 832 states and 1003 transitions. [2020-11-06 21:48:42,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:48:42,509 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1003 transitions. [2020-11-06 21:48:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-06 21:48:42,513 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:42,515 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] [2020-11-06 21:48:42,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 21:48:42,516 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]=== [2020-11-06 21:48:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:42,516 INFO L82 PathProgramCache]: Analyzing trace with hash -700487026, now seen corresponding path program 1 times [2020-11-06 21:48:42,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:42,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880914388] [2020-11-06 21:48:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,048 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:43,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:48:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 21:48:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-06 21:48:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-11-06 21:48:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-11-06 21:48:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:43,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880914388] [2020-11-06 21:48:43,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:43,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 21:48:43,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146705100] [2020-11-06 21:48:43,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 21:48:43,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:43,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 21:48:43,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:48:43,257 INFO L87 Difference]: Start difference. First operand 832 states and 1003 transitions. Second operand 12 states. [2020-11-06 21:48:43,856 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:44,759 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:45,736 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:46,254 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:46,669 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:48:47,157 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:47,632 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:49,814 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:50,250 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:51,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:51,104 INFO L93 Difference]: Finished difference Result 2352 states and 3021 transitions. [2020-11-06 21:48:51,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-06 21:48:51,105 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-11-06 21:48:51,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:51,118 INFO L225 Difference]: With dead ends: 2352 [2020-11-06 21:48:51,118 INFO L226 Difference]: Without dead ends: 1730 [2020-11-06 21:48:51,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-11-06 21:48:51,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2020-11-06 21:48:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1447. [2020-11-06 21:48:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2020-11-06 21:48:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1739 transitions. [2020-11-06 21:48:51,497 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1739 transitions. Word has length 93 [2020-11-06 21:48:51,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:51,500 INFO L481 AbstractCegarLoop]: Abstraction has 1447 states and 1739 transitions. [2020-11-06 21:48:51,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 21:48:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1739 transitions. [2020-11-06 21:48:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-06 21:48:51,506 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:51,506 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, 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] [2020-11-06 21:48:51,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 21:48:51,508 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]=== [2020-11-06 21:48:51,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:51,510 INFO L82 PathProgramCache]: Analyzing trace with hash 608264178, now seen corresponding path program 1 times [2020-11-06 21:48:51,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:51,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091577686] [2020-11-06 21:48:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,048 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:52,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:48:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:48:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:48:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:48:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-11-06 21:48:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-11-06 21:48:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-11-06 21:48:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-06 21:48:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-11-06 21:48:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-06 21:48:52,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091577686] [2020-11-06 21:48:52,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755042376] [2020-11-06 21:48:52,378 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 [2020-11-06 21:48:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:52,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 21:48:52,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:48:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:48:53,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:48:53,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-11-06 21:48:53,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161267380] [2020-11-06 21:48:53,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-06 21:48:53,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:53,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-06 21:48:53,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-11-06 21:48:53,091 INFO L87 Difference]: Start difference. First operand 1447 states and 1739 transitions. Second operand 20 states. [2020-11-06 21:48:53,772 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:48:54,341 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:48:54,776 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:48:55,166 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-06 21:48:56,266 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:56,757 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:57,347 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:48:57,841 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:48:59,265 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:49:00,958 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-06 21:49:01,848 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-06 21:49:02,387 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:49:03,516 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-06 21:49:04,867 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-06 21:49:05,242 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:49:05,663 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:49:06,113 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:49:07,195 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:49:08,406 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:49:09,246 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-11-06 21:49:09,726 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:49:10,160 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:49:10,612 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:49:11,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:49:11,023 INFO L93 Difference]: Finished difference Result 2971 states and 3683 transitions. [2020-11-06 21:49:11,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-11-06 21:49:11,024 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 137 [2020-11-06 21:49:11,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:49:11,036 INFO L225 Difference]: With dead ends: 2971 [2020-11-06 21:49:11,037 INFO L226 Difference]: Without dead ends: 1722 [2020-11-06 21:49:11,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=791, Invalid=2991, Unknown=0, NotChecked=0, Total=3782 [2020-11-06 21:49:11,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-11-06 21:49:11,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1533. [2020-11-06 21:49:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-11-06 21:49:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1788 transitions. [2020-11-06 21:49:11,476 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1788 transitions. Word has length 137 [2020-11-06 21:49:11,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:49:11,477 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1788 transitions. [2020-11-06 21:49:11,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-06 21:49:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1788 transitions. [2020-11-06 21:49:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-11-06 21:49:11,485 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:49:11,486 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:49:11,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-06 21:49:11,702 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]=== [2020-11-06 21:49:11,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:49:11,702 INFO L82 PathProgramCache]: Analyzing trace with hash 399885560, now seen corresponding path program 1 times [2020-11-06 21:49:11,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:49:11,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055311320] [2020-11-06 21:49:11,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:49:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,152 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:49:12,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:49:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:49:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:49:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:49:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:49:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:49:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:49:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:49:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:49:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:49:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-11-06 21:49:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:49:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:49:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:49:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-06 21:49:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:49:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:49:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:49:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-11-06 21:49:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-11-06 21:49:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-06 21:49:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-06 21:49:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:49:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-11-06 21:49:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-11-06 21:49:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-06 21:49:12,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055311320] [2020-11-06 21:49:12,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668428584] [2020-11-06 21:49:12,507 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 [2020-11-06 21:49:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:12,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-06 21:49:12,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:49:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-11-06 21:49:12,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 21:49:12,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2020-11-06 21:49:12,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762611764] [2020-11-06 21:49:12,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 21:49:12,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:49:12,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 21:49:12,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:49:12,947 INFO L87 Difference]: Start difference. First operand 1533 states and 1788 transitions. Second operand 3 states. [2020-11-06 21:49:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:49:13,265 INFO L93 Difference]: Finished difference Result 2469 states and 2890 transitions. [2020-11-06 21:49:13,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 21:49:13,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2020-11-06 21:49:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:49:13,273 INFO L225 Difference]: With dead ends: 2469 [2020-11-06 21:49:13,273 INFO L226 Difference]: Without dead ends: 987 [2020-11-06 21:49:13,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:49:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2020-11-06 21:49:13,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 962. [2020-11-06 21:49:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 962 states. [2020-11-06 21:49:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1101 transitions. [2020-11-06 21:49:13,535 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1101 transitions. Word has length 249 [2020-11-06 21:49:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:49:13,536 INFO L481 AbstractCegarLoop]: Abstraction has 962 states and 1101 transitions. [2020-11-06 21:49:13,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 21:49:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1101 transitions. [2020-11-06 21:49:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-11-06 21:49:13,543 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:49:13,543 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:49:13,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-06 21:49:13,759 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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]=== [2020-11-06 21:49:13,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:49:13,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1406972746, now seen corresponding path program 1 times [2020-11-06 21:49:13,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:49:13,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188589398] [2020-11-06 21:49:13,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:49:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,233 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:49:14,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:49:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:49:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:49:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:49:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:49:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:49:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:49:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:49:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:49:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:49:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-11-06 21:49:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:49:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:49:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:49:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-06 21:49:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:49:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-06 21:49:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:49:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-11-06 21:49:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-11-06 21:49:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-11-06 21:49:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:49:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-11-06 21:49:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-11-06 21:49:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:49:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-11-06 21:49:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:49:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:49:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:49:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-11-06 21:49:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-11-06 21:49:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 123 proven. 8 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-11-06 21:49:14,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188589398] [2020-11-06 21:49:14,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023261617] [2020-11-06 21:49:14,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:49:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:49:15,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-06 21:49:15,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:49:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 248 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-11-06 21:49:15,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:49:15,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-11-06 21:49:15,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454743116] [2020-11-06 21:49:15,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-06 21:49:15,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:49:15,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-06 21:49:15,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2020-11-06 21:49:15,555 INFO L87 Difference]: Start difference. First operand 962 states and 1101 transitions. Second operand 25 states. [2020-11-06 21:49:16,233 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:49:17,485 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:49:18,752 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:49:19,674 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-11-06 21:49:20,101 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:49:20,923 WARN L194 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 209 [2020-11-06 21:49:21,361 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:49:21,918 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:49:22,405 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:49:23,250 WARN L194 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-06 21:49:24,414 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:49:25,381 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-06 21:49:33,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:49:33,083 INFO L93 Difference]: Finished difference Result 2614 states and 3472 transitions. [2020-11-06 21:49:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-11-06 21:49:33,084 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 284 [2020-11-06 21:49:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:49:33,086 INFO L225 Difference]: With dead ends: 2614 [2020-11-06 21:49:33,086 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 21:49:33,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 402 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1755 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=1156, Invalid=4696, Unknown=0, NotChecked=0, Total=5852 [2020-11-06 21:49:33,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 21:49:33,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 21:49:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 21:49:33,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 21:49:33,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2020-11-06 21:49:33,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:49:33,097 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 21:49:33,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-06 21:49:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 21:49:33,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 21:49:33,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-06 21:49:33,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 21:49:35,335 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 276 [2020-11-06 21:49:36,395 WARN L194 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 298 [2020-11-06 21:49:37,117 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 276 [2020-11-06 21:49:43,546 WARN L194 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 209 [2020-11-06 21:49:45,656 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 329 [2020-11-06 21:49:47,178 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 282 [2020-11-06 21:49:50,022 WARN L194 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-11-06 21:49:51,270 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 186 DAG size of output: 26 [2020-11-06 21:49:52,034 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2020-11-06 21:49:52,613 WARN L194 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-11-06 21:49:52,917 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-11-06 21:49:53,794 WARN L194 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 34 [2020-11-06 21:49:54,029 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-11-06 21:49:55,555 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-11-06 21:49:56,459 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 32 [2020-11-06 21:49:56,997 WARN L194 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-11-06 21:49:57,992 WARN L194 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 26 [2020-11-06 21:49:59,371 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-11-06 21:49:59,676 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-11-06 21:50:00,016 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:50:00,780 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 24 [2020-11-06 21:50:01,319 WARN L194 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 1 [2020-11-06 21:50:03,415 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 249 DAG size of output: 41 [2020-11-06 21:50:04,028 WARN L194 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-11-06 21:50:06,143 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 220 DAG size of output: 34 [2020-11-06 21:50:06,460 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 15 [2020-11-06 21:50:06,810 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 39 [2020-11-06 21:50:07,314 WARN L194 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-11-06 21:50:09,490 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 200 DAG size of output: 33 [2020-11-06 21:50:11,636 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 240 DAG size of output: 32 [2020-11-06 21:50:12,277 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-11-06 21:50:12,978 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2020-11-06 21:50:14,246 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 269 DAG size of output: 34 [2020-11-06 21:50:14,578 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-11-06 21:50:15,231 WARN L194 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 17 [2020-11-06 21:50:15,560 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-11-06 21:50:15,895 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-11-06 21:50:16,988 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 210 DAG size of output: 28 [2020-11-06 21:50:17,294 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 15 [2020-11-06 21:50:17,466 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-11-06 21:50:18,068 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-11-06 21:50:18,386 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-11-06 21:50:18,858 WARN L194 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 26 [2020-11-06 21:50:19,866 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-11-06 21:50:21,441 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 192 DAG size of output: 31 [2020-11-06 21:50:22,352 WARN L194 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 18 [2020-11-06 21:50:22,688 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-11-06 21:50:23,740 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-11-06 21:50:24,095 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-11-06 21:50:25,581 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 222 DAG size of output: 28 [2020-11-06 21:50:25,586 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 21:50:25,586 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 21:50:25,586 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point L379(lines 356 380) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 332 387) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point L363-1(lines 363 367) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 332 387) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-11-06 21:50:25,587 INFO L266 CegarLoopResult]: For program point L357-2(lines 357 378) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 332 387) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point L414-2(lines 414 439) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point L440(lines 413 441) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 388 447) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point L433-1(line 433) no Hoare annotation was computed. [2020-11-06 21:50:25,588 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 388 447) no Hoare annotation was computed. [2020-11-06 21:50:25,589 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 388 447) no Hoare annotation was computed. [2020-11-06 21:50:25,589 INFO L266 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-11-06 21:50:25,589 INFO L266 CegarLoopResult]: For program point L420-1(lines 420 424) no Hoare annotation was computed. [2020-11-06 21:50:25,589 INFO L269 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-11-06 21:50:25,589 INFO L266 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-11-06 21:50:25,589 INFO L266 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-11-06 21:50:25,589 INFO L269 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-11-06 21:50:25,589 INFO L266 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-11-06 21:50:25,589 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 818 825) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-11-06 21:50:25,590 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 818 825) no Hoare annotation was computed. [2020-11-06 21:50:25,590 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 818 825) no Hoare annotation was computed. [2020-11-06 21:50:25,590 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 826 835) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse3 .cse2 .cse4 .cse5) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse1 .cse2 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse2 .cse4 (not (<= ~waterLevel~0 1))))) [2020-11-06 21:50:25,590 INFO L266 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-11-06 21:50:25,590 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 826 835) no Hoare annotation was computed. [2020-11-06 21:50:25,590 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 826 835) no Hoare annotation was computed. [2020-11-06 21:50:25,590 INFO L262 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0))) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse3 .cse1 .cse2))) [2020-11-06 21:50:25,591 INFO L266 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-11-06 21:50:25,591 INFO L269 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 836 864) the Hoare annotation is: true [2020-11-06 21:50:25,591 INFO L266 CegarLoopResult]: For program point L848(lines 848 858) no Hoare annotation was computed. [2020-11-06 21:50:25,591 INFO L262 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 0 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5 .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse2 .cse6) (or .cse1 .cse5 .cse6))) [2020-11-06 21:50:25,591 INFO L266 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-11-06 21:50:25,591 INFO L266 CegarLoopResult]: For program point L844(lines 844 861) no Hoare annotation was computed. [2020-11-06 21:50:25,591 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 836 864) no Hoare annotation was computed. [2020-11-06 21:50:25,591 INFO L266 CegarLoopResult]: For program point L844-1(lines 836 864) no Hoare annotation was computed. [2020-11-06 21:50:25,592 INFO L269 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-11-06 21:50:25,592 INFO L266 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-11-06 21:50:25,592 INFO L266 CegarLoopResult]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2020-11-06 21:50:25,592 INFO L266 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-11-06 21:50:25,592 INFO L262 CegarLoopResult]: At program point L799(line 799) 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))) [2020-11-06 21:50:25,592 INFO L262 CegarLoopResult]: At program point L798(line 798) 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))) [2020-11-06 21:50:25,592 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 792 814) 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))) [2020-11-06 21:50:25,593 INFO L262 CegarLoopResult]: At program point L798-1(line 798) 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))) [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L262 CegarLoopResult]: At program point L804(line 804) 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) (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:50:25,593 INFO L262 CegarLoopResult]: At program point L804-1(line 804) 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) (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point Specification2EXIT(lines 749 772) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point Specification2ENTRY(lines 749 772) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-11-06 21:50:25,593 INFO L266 CegarLoopResult]: For program point Specification2FINAL(lines 749 772) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point stopSystemEXIT(lines 256 270) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L262 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 (not (<= ~waterLevel~0 1))))) [2020-11-06 21:50:25,594 INFO L262 CegarLoopResult]: At program point stopSystemENTRY(lines 256 270) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) .cse1) (or .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 (not (<= ~waterLevel~0 1))))) [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point stopSystemFINAL(lines 256 270) no Hoare annotation was computed. [2020-11-06 21:50:25,594 INFO L266 CegarLoopResult]: For program point L260(lines 260 266) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L269 CegarLoopResult]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point L220(lines 220 228) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point L208(lines 208 216) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point printPumpFINAL(lines 201 236) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point printPumpENTRY(lines 201 236) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point printPumpEXIT(lines 201 236) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L269 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 286 331) no Hoare annotation was computed. [2020-11-06 21:50:25,595 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 286 331) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 286 331) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 599 644) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point L630(lines 630 631) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point L623(lines 623 624) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 623 624) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 630 631) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point L619(lines 619 626) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 599 644) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 599 644) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point L613(lines 613 633) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point L613-1(lines 613 633) no Hoare annotation was computed. [2020-11-06 21:50:25,596 INFO L262 CegarLoopResult]: At program point runTestENTRY(lines 781 791) 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))) [2020-11-06 21:50:25,596 INFO L266 CegarLoopResult]: For program point runTestEXIT(lines 781 791) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point runTestFINAL(lines 781 791) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L262 CegarLoopResult]: At program point L786(line 786) 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))) [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 181 191) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L262 CegarLoopResult]: At program point deactivatePumpENTRY(lines 173 180) 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 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 945 958) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L266 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-11-06 21:50:25,597 INFO L269 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 945 958) the Hoare annotation is: true [2020-11-06 21:50:25,598 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 945 958) no Hoare annotation was computed. [2020-11-06 21:50:25,598 INFO L262 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= ~waterLevel~0 1))))) [2020-11-06 21:50:25,598 INFO L266 CegarLoopResult]: For program point L159-1(lines 140 164) no Hoare annotation was computed. [2020-11-06 21:50:25,598 INFO L262 CegarLoopResult]: At program point L154(line 154) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1))) (or (not (<= ~waterLevel~0 2)) .cse0 (not (= |old(~pumpRunning~0)| 0)) (and (= 0 processEnvironment_~tmp~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2020-11-06 21:50:25,598 INFO L266 CegarLoopResult]: For program point processEnvironmentEXIT(lines 140 164) no Hoare annotation was computed. [2020-11-06 21:50:25,598 INFO L262 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse2))) [2020-11-06 21:50:25,598 INFO L266 CegarLoopResult]: For program point L148(lines 148 156) no Hoare annotation was computed. [2020-11-06 21:50:25,598 INFO L262 CegarLoopResult]: At program point processEnvironmentENTRY(lines 140 164) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse3))) [2020-11-06 21:50:25,598 INFO L262 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse3) (or .cse0 .cse1 .cse2 .cse3))) [2020-11-06 21:50:25,598 INFO L266 CegarLoopResult]: For program point L146-1(line 146) no Hoare annotation was computed. [2020-11-06 21:50:25,598 INFO L266 CegarLoopResult]: For program point L144(lines 144 161) no Hoare annotation was computed. [2020-11-06 21:50:25,599 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 132 138) no Hoare annotation was computed. [2020-11-06 21:50:25,599 INFO L269 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 132 138) the Hoare annotation is: true [2020-11-06 21:50:25,599 INFO L262 CegarLoopResult]: At program point testENTRY(lines 649 716) the Hoare annotation is: (or (not (= |old(~systemActive~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(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:50:25,599 INFO L262 CegarLoopResult]: At program point L671(line 671) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse1 .cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse2) (and (= 0 ~systemActive~0) .cse3 (<= ~waterLevel~0 2) .cse2) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-06 21:50:25,599 INFO L266 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2020-11-06 21:50:25,599 INFO L266 CegarLoopResult]: For program point L669-1(lines 669 675) no Hoare annotation was computed. [2020-11-06 21:50:25,599 INFO L266 CegarLoopResult]: For program point testFINAL(lines 649 716) no Hoare annotation was computed. [2020-11-06 21:50:25,599 INFO L266 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-11-06 21:50:25,599 INFO L262 CegarLoopResult]: At program point L709(lines 658 710) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:50:25,599 INFO L262 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse2) (and (= ~waterLevel~0 1) .cse1 .cse2) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and .cse3 (<= ~waterLevel~0 2) .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-11-06 21:50:25,599 INFO L266 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-11-06 21:50:25,599 INFO L262 CegarLoopResult]: At program point L697-1(lines 689 704) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse4 .cse0 .cse3) (and .cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse3) (and .cse6 .cse0 .cse2 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point L660(lines 659 708) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L262 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 (= 2 ~waterLevel~0) .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse2 .cse0 .cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point L689(lines 689 704) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L262 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 (= 2 ~waterLevel~0) .cse0 .cse3) (and .cse4 .cse0 .cse2 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point testEXIT(lines 649 716) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L262 CegarLoopResult]: At program point L706(lines 659 708) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse1 .cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse2) (and (= 0 ~systemActive~0) .cse3 (<= ~waterLevel~0 2) .cse2) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point L577(lines 577 578) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 577 578) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point L573(lines 573 580) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 584 585) no Hoare annotation was computed. [2020-11-06 21:50:25,600 INFO L266 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 553 598) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point L567(lines 567 587) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point L567-1(lines 567 587) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 553 598) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 553 598) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point L584(lines 584 585) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point L921(lines 921 929) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point printEnvironmentEXIT(lines 913 935) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point L921-2(lines 921 929) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point printEnvironmentENTRY(lines 913 935) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point printEnvironmentFINAL(lines 913 935) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-11-06 21:50:25,601 INFO L266 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L479(lines 479 495) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 450 552) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L539(lines 539 546) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L500(lines 499 519) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L531-1(line 531) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L496(lines 496 537) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 450 552) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L515-1(line 515) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L474(lines 474 478) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L538(lines 538 549) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-11-06 21:50:25,602 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 450 552) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point L499-2(lines 499 519) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point L520(lines 498 521) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point activatePumpFINAL(lines 165 172) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point activatePumpEXIT(lines 165 172) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L262 CegarLoopResult]: At program point activatePumpENTRY(lines 165 172) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2020-11-06 21:50:25,603 INFO L269 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2020-11-06 21:50:25,603 INFO L266 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L269 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: true [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point L244-1(line 244) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L269 CegarLoopResult]: At program point getWaterLevelENTRY(lines 936 944) the Hoare annotation is: true [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point getWaterLevelFINAL(lines 936 944) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point getWaterLevelEXIT(lines 936 944) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L266 CegarLoopResult]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2020-11-06 21:50:25,604 INFO L262 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 892 903) the Hoare annotation is: (let ((.cse4 (not (= 2 ~waterLevel~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse5 (not (= 0 ~systemActive~0)) .cse2) (or .cse3 .cse5 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-11-06 21:50:25,605 INFO L266 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 892 903) no Hoare annotation was computed. [2020-11-06 21:50:25,605 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 904 912) no Hoare annotation was computed. [2020-11-06 21:50:25,605 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 904 912) no Hoare annotation was computed. [2020-11-06 21:50:25,605 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 904 912) no Hoare annotation was computed. [2020-11-06 21:50:25,605 INFO L262 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse11 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse6 (and (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse11 .cse0 .cse1)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not .cse11)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 (and .cse8 .cse0 .cse1) .cse4) (or (and (= 2 ~waterLevel~0) .cse9) .cse3 .cse4 .cse10) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse10 (and .cse8 .cse9)) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse7 .cse2 .cse4) (or .cse5 (not (= 0 ~systemActive~0)) .cse10)))) [2020-11-06 21:50:25,605 INFO L262 CegarLoopResult]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse13 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (and .cse12 .cse1)) (.cse10 (and (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse13 .cse5 .cse6)) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse13))) (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 .cse8 (not (= 0 ~systemActive~0)) .cse4 .cse9) (or .cse8 .cse10 .cse11 .cse7 (and .cse12 .cse5 .cse6) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse9) (or (not (= |old(~waterLevel~0)| 1)) .cse10 .cse11 .cse7 .cse3)))) [2020-11-06 21:50:25,606 INFO L262 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and (= 2 ~waterLevel~0) .cse4 .cse5) (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5) (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point L112(lines 108 130) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L262 CegarLoopResult]: At program point timeShiftENTRY(lines 105 131) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse0 (and (= 2 ~waterLevel~0) .cse7 .cse8)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse7 .cse8)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or .cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse1 .cse6 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse3 .cse4) (or .cse5 (not (= 0 ~systemActive~0)) .cse6 .cse4)))) [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point L110(lines 108 130) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point timeShiftEXIT(lines 105 131) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point timeShiftFINAL(lines 105 131) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point cleanupEXIT(lines 719 748) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L269 CegarLoopResult]: At program point cleanupENTRY(lines 719 748) the Hoare annotation is: true [2020-11-06 21:50:25,606 INFO L269 CegarLoopResult]: At program point L733-1(lines 733 737) the Hoare annotation is: true [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point L730(line 730) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L269 CegarLoopResult]: At program point L729-2(lines 729 743) the Hoare annotation is: true [2020-11-06 21:50:25,606 INFO L269 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: true [2020-11-06 21:50:25,606 INFO L266 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-11-06 21:50:25,606 INFO L269 CegarLoopResult]: At program point L744(lines 719 748) the Hoare annotation is: true [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L262 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 868 879) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 868 879) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point setupEXIT(lines 773 779) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L269 CegarLoopResult]: At program point setupFINAL(lines 773 779) the Hoare annotation is: true [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-06 21:50:25,607 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point startSystemEXIT(lines 271 278) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L262 CegarLoopResult]: At program point startSystemENTRY(lines 271 278) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 1)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 (not (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point startSystemFINAL(lines 271 278) no Hoare annotation was computed. [2020-11-06 21:50:25,607 INFO L266 CegarLoopResult]: For program point waterRiseEXIT(lines 880 891) no Hoare annotation was computed. [2020-11-06 21:50:25,608 INFO L262 CegarLoopResult]: At program point waterRiseENTRY(lines 880 891) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse3) (or (not (<= |old(~waterLevel~0)| 2)) .cse4 .cse1 (not (= 0 ~systemActive~0))) (or .cse6 .cse4 .cse5 .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse6 .cse0 .cse2 .cse3))) [2020-11-06 21:50:25,608 INFO L266 CegarLoopResult]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2020-11-06 21:50:25,608 INFO L266 CegarLoopResult]: For program point __automaton_failFINAL(lines 80 87) no Hoare annotation was computed. [2020-11-06 21:50:25,608 INFO L269 CegarLoopResult]: At program point __automaton_failENTRY(lines 80 87) the Hoare annotation is: true [2020-11-06 21:50:25,608 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 21:50:25,608 INFO L266 CegarLoopResult]: For program point __automaton_failEXIT(lines 80 87) no Hoare annotation was computed. [2020-11-06 21:50:25,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:50:25 BoogieIcfgContainer [2020-11-06 21:50:25,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:50:25,640 INFO L168 Benchmark]: Toolchain (without parser) took 136642.17 ms. Allocated memory was 157.3 MB in the beginning and 815.8 MB in the end (delta: 658.5 MB). Free memory was 131.4 MB in the beginning and 295.9 MB in the end (delta: -164.5 MB). Peak memory consumption was 520.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:50:25,641 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 80.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:50:25,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.60 ms. Allocated memory is still 157.3 MB. Free memory was 130.7 MB in the beginning and 109.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:50:25,642 INFO L168 Benchmark]: Boogie Preprocessor took 145.44 ms. Allocated memory is still 157.3 MB. Free memory was 109.5 MB in the beginning and 105.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:50:25,643 INFO L168 Benchmark]: RCFGBuilder took 1771.28 ms. Allocated memory is still 157.3 MB. Free memory was 105.6 MB in the beginning and 106.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. [2020-11-06 21:50:25,644 INFO L168 Benchmark]: TraceAbstraction took 134168.11 ms. Allocated memory was 157.3 MB in the beginning and 815.8 MB in the end (delta: 658.5 MB). Free memory was 106.2 MB in the beginning and 295.9 MB in the end (delta: -189.7 MB). Peak memory consumption was 494.6 MB. Max. memory is 8.0 GB. [2020-11-06 21:50:25,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 80.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 545.60 ms. Allocated memory is still 157.3 MB. Free memory was 130.7 MB in the beginning and 109.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.44 ms. Allocated memory is still 157.3 MB. Free memory was 109.5 MB in the beginning and 105.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1771.28 ms. Allocated memory is still 157.3 MB. Free memory was 105.6 MB in the beginning and 106.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 134168.11 ms. Allocated memory was 157.3 MB in the beginning and 815.8 MB in the end (delta: 658.5 MB). Free memory was 106.2 MB in the beginning and 295.9 MB in the end (delta: -189.7 MB). Peak memory consumption was 494.6 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: 584]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 577]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 623]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 630]: 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: 729]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && pumpRunning <= switchedOnBeforeTS)) || (((1 == systemActive && pumpRunning == 0) && waterLevel <= \old(waterLevel) + 1) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && waterLevel <= 2) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 81.7s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 68.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 52.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1655 SDtfs, 3536 SDslu, 3528 SDs, 0 SdLazy, 13459 SolverSat, 2828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1399 GetRequests, 1139 SyntacticMatches, 4 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3226 ImplicationChecksByTransitivity, 39.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1533occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 924 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 2914 PreInvPairs, 3434 NumberOfFragments, 2297 HoareAnnotationTreeSize, 2914 FomulaSimplifications, 151647679 FormulaSimplificationTreeSizeReduction, 16.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 1283589 FormulaSimplificationTreeSizeReductionInter, 35.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 1958 NumberOfCodeBlocks, 1958 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1944 ConstructedInterpolants, 0 QuantifiedInterpolants, 833998 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3469 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 1318/1352 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...