/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:42:20,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:42:20,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:42:20,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:42:20,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:42:20,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:42:20,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:42:20,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:42:20,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:42:20,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:42:20,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:42:20,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:42:20,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:42:20,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:42:20,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:42:20,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:42:20,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:42:20,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:42:20,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:42:20,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:42:20,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:42:20,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:42:20,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:42:20,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:42:20,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:42:20,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:42:20,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:42:20,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:42:20,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:42:20,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:42:20,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:42:20,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:42:20,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:42:20,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:42:20,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:42:20,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:42:20,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:42:20,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:42:20,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:42:20,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:42:20,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:42:20,460 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 [2020-07-07 10:42:20,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:42:20,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:42:20,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:42:20,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:42:20,487 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:42:20,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:42:20,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:42:20,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:42:20,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:42:20,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:42:20,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:42:20,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:42:20,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:42:20,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:42:20,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:42:20,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:42:20,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:42:20,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:42:20,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:42:20,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:42:20,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:42:20,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:42:20,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:42:20,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:42:20,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:42:20,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:42:20,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:42:20,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:42:20,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:42:20,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:42:20,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:42:20,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:42:20,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:42:20,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:42:20,827 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:42:20,828 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-07 10:42:20,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26603181/0573c5d84f854443b0c97d2757e583e2/FLAG133f2320a [2020-07-07 10:42:21,464 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:42:21,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-07 10:42:21,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26603181/0573c5d84f854443b0c97d2757e583e2/FLAG133f2320a [2020-07-07 10:42:21,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26603181/0573c5d84f854443b0c97d2757e583e2 [2020-07-07 10:42:21,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:42:21,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:42:21,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:21,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:42:21,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:42:21,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:21" (1/1) ... [2020-07-07 10:42:21,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f22a51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:21, skipping insertion in model container [2020-07-07 10:42:21,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:42:21" (1/1) ... [2020-07-07 10:42:21,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:42:21,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:42:22,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:22,310 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:42:22,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:42:22,450 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:42:22,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22 WrapperNode [2020-07-07 10:42:22,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:42:22,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:42:22,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:42:22,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:42:22,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (1/1) ... [2020-07-07 10:42:22,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (1/1) ... [2020-07-07 10:42:22,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (1/1) ... [2020-07-07 10:42:22,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (1/1) ... [2020-07-07 10:42:22,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (1/1) ... [2020-07-07 10:42:22,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (1/1) ... [2020-07-07 10:42:22,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (1/1) ... [2020-07-07 10:42:22,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:42:22,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:42:22,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:42:22,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:42:22,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (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 [2020-07-07 10:42:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:42:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:42:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:42:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:42:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:42:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:42:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:42:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:42:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:42:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:42:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:42:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:42:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:42:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:42:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:42:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:42:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:42:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:42:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:42:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:42:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:42:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:42:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:42:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:42:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:42:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:42:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:42:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:42:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:42:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:42:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:42:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:42:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:42:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:42:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:42:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:42:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:42:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:42:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:42:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:42:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:42:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:42:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:42:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:42:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:42:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:42:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:42:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:42:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:42:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:42:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:42:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:42:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:42:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:42:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:42:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:42:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:42:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:42:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:42:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:42:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:42:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:42:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:42:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:42:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:42:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:42:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:42:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:42:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:42:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:42:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:42:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:42:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:42:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:42:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:42:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:42:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-07 10:42:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:42:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:42:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:42:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:42:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:42:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:42:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:42:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:42:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:42:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:42:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:42:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:42:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:42:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:42:23,828 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:42:23,829 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:42:23,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:42:23 BoogieIcfgContainer [2020-07-07 10:42:23,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:42:23,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:42:23,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:42:23,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:42:23,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:42:21" (1/3) ... [2020-07-07 10:42:23,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b4c65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:42:23, skipping insertion in model container [2020-07-07 10:42:23,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:42:22" (2/3) ... [2020-07-07 10:42:23,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b4c65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:42:23, skipping insertion in model container [2020-07-07 10:42:23,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:42:23" (3/3) ... [2020-07-07 10:42:23,844 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-07-07 10:42:23,855 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:42:23,864 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:42:23,879 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:42:23,906 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:42:23,907 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:42:23,907 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:42:23,907 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:42:23,908 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:42:23,908 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:42:23,908 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:42:23,908 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:42:23,934 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-07 10:42:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:42:23,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:23,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:23,947 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:23,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:23,954 INFO L82 PathProgramCache]: Analyzing trace with hash 805370938, now seen corresponding path program 1 times [2020-07-07 10:42:23,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:23,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549919600] [2020-07-07 10:42:23,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,667 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:24,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:24,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549919600] [2020-07-07 10:42:24,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:24,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:42:24,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577059539] [2020-07-07 10:42:24,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:42:24,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:24,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:42:24,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:24,842 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 4 states. [2020-07-07 10:42:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:26,093 INFO L93 Difference]: Finished difference Result 328 states and 428 transitions. [2020-07-07 10:42:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:42:26,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:42:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:26,110 INFO L225 Difference]: With dead ends: 328 [2020-07-07 10:42:26,111 INFO L226 Difference]: Without dead ends: 181 [2020-07-07 10:42:26,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:42:26,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-07-07 10:42:26,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 148. [2020-07-07 10:42:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-07 10:42:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2020-07-07 10:42:26,258 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2020-07-07 10:42:26,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:26,259 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2020-07-07 10:42:26,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:42:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2020-07-07 10:42:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:42:26,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:26,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:26,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:42:26,265 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:26,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:26,265 INFO L82 PathProgramCache]: Analyzing trace with hash -239223915, now seen corresponding path program 1 times [2020-07-07 10:42:26,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:26,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300268213] [2020-07-07 10:42:26,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,637 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:26,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300268213] [2020-07-07 10:42:26,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:26,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:42:26,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058367233] [2020-07-07 10:42:26,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:42:26,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:26,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:42:26,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:42:26,697 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 5 states. [2020-07-07 10:42:27,226 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:28,246 INFO L93 Difference]: Finished difference Result 273 states and 339 transitions. [2020-07-07 10:42:28,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:42:28,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:42:28,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:28,255 INFO L225 Difference]: With dead ends: 273 [2020-07-07 10:42:28,255 INFO L226 Difference]: Without dead ends: 171 [2020-07-07 10:42:28,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:42:28,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-07 10:42:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 139. [2020-07-07 10:42:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-07 10:42:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2020-07-07 10:42:28,299 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2020-07-07 10:42:28,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:28,300 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2020-07-07 10:42:28,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:42:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2020-07-07 10:42:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-07 10:42:28,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:28,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:28,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:42:28,303 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:28,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:28,303 INFO L82 PathProgramCache]: Analyzing trace with hash -2031785454, now seen corresponding path program 1 times [2020-07-07 10:42:28,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:28,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608546605] [2020-07-07 10:42:28,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,628 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:28,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608546605] [2020-07-07 10:42:28,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:28,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:28,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987052043] [2020-07-07 10:42:28,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:28,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:28,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:28,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:28,712 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 9 states. [2020-07-07 10:42:29,129 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:29,478 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:29,733 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:29,974 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:31,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:31,405 INFO L93 Difference]: Finished difference Result 282 states and 354 transitions. [2020-07-07 10:42:31,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:42:31,406 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-07 10:42:31,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:31,409 INFO L225 Difference]: With dead ends: 282 [2020-07-07 10:42:31,409 INFO L226 Difference]: Without dead ends: 171 [2020-07-07 10:42:31,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:42:31,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-07 10:42:31,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 139. [2020-07-07 10:42:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-07 10:42:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2020-07-07 10:42:31,461 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2020-07-07 10:42:31,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:31,461 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2020-07-07 10:42:31,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2020-07-07 10:42:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-07 10:42:31,465 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:31,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:31,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:42:31,466 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:31,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1519881096, now seen corresponding path program 1 times [2020-07-07 10:42:31,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:31,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870014026] [2020-07-07 10:42:31,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,806 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:31,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870014026] [2020-07-07 10:42:31,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:31,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:42:31,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088004002] [2020-07-07 10:42:31,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:42:31,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:31,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:42:31,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:42:31,948 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 7 states. [2020-07-07 10:42:32,314 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:33,633 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:34,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:34,501 INFO L93 Difference]: Finished difference Result 382 states and 483 transitions. [2020-07-07 10:42:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:34,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-07 10:42:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:34,509 INFO L225 Difference]: With dead ends: 382 [2020-07-07 10:42:34,509 INFO L226 Difference]: Without dead ends: 271 [2020-07-07 10:42:34,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:42:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-07-07 10:42:34,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 225. [2020-07-07 10:42:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-07 10:42:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2020-07-07 10:42:34,583 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2020-07-07 10:42:34,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:34,583 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2020-07-07 10:42:34,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:42:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2020-07-07 10:42:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:34,587 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:34,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:34,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:42:34,587 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:34,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:34,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1815815577, now seen corresponding path program 1 times [2020-07-07 10:42:34,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:34,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87186621] [2020-07-07 10:42:34,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,873 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:34,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87186621] [2020-07-07 10:42:34,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:34,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:42:34,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93013706] [2020-07-07 10:42:34,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:42:34,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:34,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:42:34,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:42:34,988 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 9 states. [2020-07-07 10:42:35,454 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:36,707 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:37,010 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:37,237 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:37,458 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:38,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:38,823 INFO L93 Difference]: Finished difference Result 666 states and 830 transitions. [2020-07-07 10:42:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:42:38,826 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-07 10:42:38,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:38,831 INFO L225 Difference]: With dead ends: 666 [2020-07-07 10:42:38,831 INFO L226 Difference]: Without dead ends: 469 [2020-07-07 10:42:38,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:42:38,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-07 10:42:38,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 398. [2020-07-07 10:42:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-07 10:42:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2020-07-07 10:42:38,906 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2020-07-07 10:42:38,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:38,906 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2020-07-07 10:42:38,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:42:38,907 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2020-07-07 10:42:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-07 10:42:38,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:38,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:38,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:42:38,909 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:38,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1743532533, now seen corresponding path program 1 times [2020-07-07 10:42:38,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:38,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445888005] [2020-07-07 10:42:38,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,194 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:39,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445888005] [2020-07-07 10:42:39,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:39,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:39,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49585850] [2020-07-07 10:42:39,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:39,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:39,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:39,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:39,376 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 10 states. [2020-07-07 10:42:39,798 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:40,967 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:41,201 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:41,461 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:41,760 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:43,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:43,033 INFO L93 Difference]: Finished difference Result 874 states and 1071 transitions. [2020-07-07 10:42:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:43,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-07-07 10:42:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:43,041 INFO L225 Difference]: With dead ends: 874 [2020-07-07 10:42:43,042 INFO L226 Difference]: Without dead ends: 504 [2020-07-07 10:42:43,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:42:43,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-07-07 10:42:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 397. [2020-07-07 10:42:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-07-07 10:42:43,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2020-07-07 10:42:43,144 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2020-07-07 10:42:43,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:43,145 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2020-07-07 10:42:43,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:43,145 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2020-07-07 10:42:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:42:43,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:43,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:43,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:42:43,148 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:43,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:43,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1672267508, now seen corresponding path program 1 times [2020-07-07 10:42:43,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:43,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110621680] [2020-07-07 10:42:43,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,451 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:43,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110621680] [2020-07-07 10:42:43,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:43,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:43,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618697166] [2020-07-07 10:42:43,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:43,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:43,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:43,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:43,583 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 10 states. [2020-07-07 10:42:44,507 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:44,750 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:42:44,986 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:45,227 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:46,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:46,391 INFO L93 Difference]: Finished difference Result 877 states and 1082 transitions. [2020-07-07 10:42:46,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:46,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 93 [2020-07-07 10:42:46,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:46,397 INFO L225 Difference]: With dead ends: 877 [2020-07-07 10:42:46,397 INFO L226 Difference]: Without dead ends: 508 [2020-07-07 10:42:46,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:46,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-07-07 10:42:46,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 407. [2020-07-07 10:42:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-07-07 10:42:46,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2020-07-07 10:42:46,512 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2020-07-07 10:42:46,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:46,512 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2020-07-07 10:42:46,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2020-07-07 10:42:46,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:42:46,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:46,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:46,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:46,518 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:46,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:46,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1599880950, now seen corresponding path program 1 times [2020-07-07 10:42:46,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:46,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352221219] [2020-07-07 10:42:46,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,772 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:46,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352221219] [2020-07-07 10:42:46,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:46,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:42:46,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466395197] [2020-07-07 10:42:46,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:42:46,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:46,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:42:46,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:42:46,991 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 12 states. [2020-07-07 10:42:47,804 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:48,032 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:48,263 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:48,904 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:49,146 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:49,396 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:50,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:50,757 INFO L93 Difference]: Finished difference Result 901 states and 1126 transitions. [2020-07-07 10:42:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:50,757 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 93 [2020-07-07 10:42:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:50,761 INFO L225 Difference]: With dead ends: 901 [2020-07-07 10:42:50,761 INFO L226 Difference]: Without dead ends: 522 [2020-07-07 10:42:50,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:42:50,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2020-07-07 10:42:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 415. [2020-07-07 10:42:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-07-07 10:42:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2020-07-07 10:42:50,840 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2020-07-07 10:42:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:50,841 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2020-07-07 10:42:50,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:42:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2020-07-07 10:42:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-07 10:42:50,843 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:50,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:50,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:50,843 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:50,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1929646711, now seen corresponding path program 1 times [2020-07-07 10:42:50,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:50,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020800312] [2020-07-07 10:42:50,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,107 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:51,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020800312] [2020-07-07 10:42:51,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:51,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:51,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782804089] [2020-07-07 10:42:51,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:51,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:51,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:51,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:51,402 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 8 states. [2020-07-07 10:42:52,192 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:52,810 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:55,391 INFO L93 Difference]: Finished difference Result 1240 states and 1603 transitions. [2020-07-07 10:42:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:42:55,392 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-07 10:42:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:55,398 INFO L225 Difference]: With dead ends: 1240 [2020-07-07 10:42:55,398 INFO L226 Difference]: Without dead ends: 853 [2020-07-07 10:42:55,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:42:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-07-07 10:42:55,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 721. [2020-07-07 10:42:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-07-07 10:42:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 849 transitions. [2020-07-07 10:42:55,509 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 849 transitions. Word has length 93 [2020-07-07 10:42:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:55,509 INFO L479 AbstractCegarLoop]: Abstraction has 721 states and 849 transitions. [2020-07-07 10:42:55,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 849 transitions. [2020-07-07 10:42:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-07 10:42:55,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:55,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:55,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:42:55,512 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash 446997693, now seen corresponding path program 1 times [2020-07-07 10:42:55,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:55,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809632524] [2020-07-07 10:42:55,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,809 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:55,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809632524] [2020-07-07 10:42:55,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:55,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:55,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006921395] [2020-07-07 10:42:55,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:55,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:55,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:55,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:55,906 INFO L87 Difference]: Start difference. First operand 721 states and 849 transitions. Second operand 8 states. [2020-07-07 10:42:56,350 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:59,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:59,010 INFO L93 Difference]: Finished difference Result 1414 states and 1816 transitions. [2020-07-07 10:42:59,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 10:42:59,011 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2020-07-07 10:42:59,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:59,020 INFO L225 Difference]: With dead ends: 1414 [2020-07-07 10:42:59,020 INFO L226 Difference]: Without dead ends: 1411 [2020-07-07 10:42:59,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:42:59,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2020-07-07 10:42:59,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1213. [2020-07-07 10:42:59,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2020-07-07 10:42:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1442 transitions. [2020-07-07 10:42:59,227 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1442 transitions. Word has length 97 [2020-07-07 10:42:59,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:59,227 INFO L479 AbstractCegarLoop]: Abstraction has 1213 states and 1442 transitions. [2020-07-07 10:42:59,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1442 transitions. [2020-07-07 10:42:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 10:42:59,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:59,232 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:42:59,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:42:59,233 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:59,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:59,233 INFO L82 PathProgramCache]: Analyzing trace with hash 350097324, now seen corresponding path program 1 times [2020-07-07 10:42:59,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:59,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592918385] [2020-07-07 10:42:59,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,513 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-07 10:42:59,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592918385] [2020-07-07 10:42:59,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820017218] [2020-07-07 10:42:59,764 INFO L94 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 [2020-07-07 10:43:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:00,017 INFO L264 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 10:43:00,031 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:43:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:00,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:43:00,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-07 10:43:00,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768996069] [2020-07-07 10:43:00,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:43:00,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:00,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:43:00,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:43:00,098 INFO L87 Difference]: Start difference. First operand 1213 states and 1442 transitions. Second operand 3 states. [2020-07-07 10:43:00,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:00,435 INFO L93 Difference]: Finished difference Result 2041 states and 2465 transitions. [2020-07-07 10:43:00,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:43:00,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-07-07 10:43:00,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:00,449 INFO L225 Difference]: With dead ends: 2041 [2020-07-07 10:43:00,449 INFO L226 Difference]: Without dead ends: 990 [2020-07-07 10:43:00,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:43:00,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-07-07 10:43:00,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990. [2020-07-07 10:43:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2020-07-07 10:43:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1164 transitions. [2020-07-07 10:43:00,709 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1164 transitions. Word has length 160 [2020-07-07 10:43:00,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:00,711 INFO L479 AbstractCegarLoop]: Abstraction has 990 states and 1164 transitions. [2020-07-07 10:43:00,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:43:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1164 transitions. [2020-07-07 10:43:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-07 10:43:00,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:00,719 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:43:00,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:43:00,932 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:00,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:00,932 INFO L82 PathProgramCache]: Analyzing trace with hash -524813042, now seen corresponding path program 1 times [2020-07-07 10:43:00,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:00,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362750818] [2020-07-07 10:43:00,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,295 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-07 10:43:01,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362750818] [2020-07-07 10:43:01,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201595203] [2020-07-07 10:43:01,613 INFO L94 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 [2020-07-07 10:43:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:01,826 INFO L264 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:43:01,834 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:43:02,034 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 10:43:02,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:43:02,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-07 10:43:02,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841084954] [2020-07-07 10:43:02,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:02,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:02,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:02,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:43:02,037 INFO L87 Difference]: Start difference. First operand 990 states and 1164 transitions. Second operand 8 states. [2020-07-07 10:43:02,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:02,477 INFO L93 Difference]: Finished difference Result 1780 states and 2094 transitions. [2020-07-07 10:43:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:43:02,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2020-07-07 10:43:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:02,479 INFO L225 Difference]: With dead ends: 1780 [2020-07-07 10:43:02,479 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:43:02,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:43:02,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:43:02,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:43:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:43:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:43:02,486 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2020-07-07 10:43:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:02,486 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:43:02,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:43:02,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:43:02,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:43:02,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:43:05,171 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 270 [2020-07-07 10:43:06,077 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 298 [2020-07-07 10:43:08,479 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 264 [2020-07-07 10:43:09,649 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 281 [2020-07-07 10:43:11,094 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-07-07 10:43:12,131 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 169 DAG size of output: 38 [2020-07-07 10:43:12,321 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:43:12,748 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-07-07 10:43:12,943 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-07 10:43:13,851 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-07 10:43:14,230 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-07 10:43:14,413 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-07 10:43:15,157 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-07 10:43:15,578 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-07 10:43:16,375 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 37 [2020-07-07 10:43:18,022 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 246 DAG size of output: 44 [2020-07-07 10:43:18,748 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 39 [2020-07-07 10:43:18,957 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-07 10:43:19,175 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:20,502 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 177 DAG size of output: 40 [2020-07-07 10:43:20,689 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-07 10:43:21,272 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-07 10:43:21,470 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-07 10:43:22,339 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-07-07 10:43:22,851 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-07 10:43:23,233 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-07 10:43:23,810 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-07-07 10:43:24,658 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-07-07 10:43:24,837 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:43:25,218 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-07 10:43:25,897 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-07 10:43:26,062 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:43:26,621 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-07 10:43:27,257 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-07-07 10:43:28,098 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-07 10:43:28,654 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-07 10:43:28,915 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-07 10:43:29,072 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-07 10:43:29,249 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-07 10:43:29,777 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-07 10:43:29,951 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-07 10:43:30,693 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 37 [2020-07-07 10:43:30,864 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-07 10:43:31,773 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 43 [2020-07-07 10:43:31,941 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:43:32,116 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 27 [2020-07-07 10:43:32,283 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:43:32,447 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-07-07 10:43:33,789 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 229 DAG size of output: 39 [2020-07-07 10:43:34,343 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-07-07 10:43:34,833 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-07 10:43:34,997 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-07 10:43:35,184 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-07 10:43:35,371 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-07 10:43:35,935 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-07 10:43:36,763 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-07 10:43:36,960 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-07 10:43:36,965 INFO L268 CegarLoopResult]: For program point L195-2(lines 195 216) no Hoare annotation was computed. [2020-07-07 10:43:36,966 INFO L268 CegarLoopResult]: For program point L217(lines 194 218) no Hoare annotation was computed. [2020-07-07 10:43:36,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 170 225) no Hoare annotation was computed. [2020-07-07 10:43:36,966 INFO L268 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-07-07 10:43:36,966 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-07-07 10:43:36,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 170 225) no Hoare annotation was computed. [2020-07-07 10:43:36,966 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-07 10:43:36,966 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 170 225) no Hoare annotation was computed. [2020-07-07 10:43:36,967 INFO L268 CegarLoopResult]: For program point L258-1(lines 258 262) no Hoare annotation was computed. [2020-07-07 10:43:36,967 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-07 10:43:36,967 INFO L268 CegarLoopResult]: For program point L252-2(lines 252 277) no Hoare annotation was computed. [2020-07-07 10:43:36,967 INFO L268 CegarLoopResult]: For program point L278(lines 251 279) no Hoare annotation was computed. [2020-07-07 10:43:36,967 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 226 285) no Hoare annotation was computed. [2020-07-07 10:43:36,967 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-07 10:43:36,967 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 226 285) no Hoare annotation was computed. [2020-07-07 10:43:36,968 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-07 10:43:36,968 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 226 285) no Hoare annotation was computed. [2020-07-07 10:43:36,968 INFO L268 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2020-07-07 10:43:36,968 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2020-07-07 10:43:36,968 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2020-07-07 10:43:36,968 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2020-07-07 10:43:36,968 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2020-07-07 10:43:36,968 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2020-07-07 10:43:36,969 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:36,969 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2020-07-07 10:43:36,969 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2020-07-07 10:43:36,969 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (or (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:36,970 INFO L264 CegarLoopResult]: At program point L844-1(line 844) the Hoare annotation is: (or (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:36,970 INFO L268 CegarLoopResult]: For program point L842(lines 842 849) no Hoare annotation was computed. [2020-07-07 10:43:36,970 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2020-07-07 10:43:36,970 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-07 10:43:36,970 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:36,970 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:36,971 INFO L264 CegarLoopResult]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:36,971 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-07 10:43:36,971 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-07 10:43:36,971 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2020-07-07 10:43:36,971 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-07 10:43:36,971 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-07 10:43:36,971 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-07 10:43:36,971 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 787 810) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-07 10:43:36,972 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-07 10:43:36,973 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-07 10:43:36,973 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-07 10:43:36,973 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-07 10:43:36,973 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-07 10:43:36,973 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-07 10:43:36,973 INFO L271 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: true [2020-07-07 10:43:36,973 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2020-07-07 10:43:36,973 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-07-07 10:43:36,974 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2020-07-07 10:43:36,974 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2020-07-07 10:43:36,974 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-07 10:43:36,974 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2020-07-07 10:43:36,974 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-07 10:43:36,974 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-07 10:43:36,974 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-07 10:43:36,974 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-07 10:43:36,975 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-07 10:43:36,975 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-07 10:43:36,975 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-07 10:43:36,975 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-07 10:43:36,975 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-07 10:43:36,975 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2020-07-07 10:43:36,975 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2020-07-07 10:43:36,975 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 124 169) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 124 169) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 124 169) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 437 482) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 437 482) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 437 482) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-07-07 10:43:36,976 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-07-07 10:43:36,977 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:36,977 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2020-07-07 10:43:36,977 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:36,977 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2020-07-07 10:43:36,977 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-07 10:43:36,977 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-07 10:43:36,977 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-07 10:43:36,977 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-07 10:43:36,978 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-07 10:43:36,978 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse1 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-07 10:43:36,978 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-07 10:43:36,978 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-07 10:43:36,978 INFO L268 CegarLoopResult]: For program point L940(lines 940 946) no Hoare annotation was computed. [2020-07-07 10:43:36,978 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2020-07-07 10:43:36,978 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2020-07-07 10:43:36,979 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2020-07-07 10:43:36,979 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-07 10:43:36,979 INFO L268 CegarLoopResult]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2020-07-07 10:43:36,979 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2020-07-07 10:43:36,979 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse7 .cse6 .cse2 .cse4))) [2020-07-07 10:43:36,979 INFO L264 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-07 10:43:36,980 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse6 .cse1 .cse3) (or .cse6 .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse5) .cse3))) [2020-07-07 10:43:36,980 INFO L268 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-07-07 10:43:36,980 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-07 10:43:36,980 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-07-07 10:43:36,980 INFO L268 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-07-07 10:43:36,980 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-07 10:43:36,980 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2020-07-07 10:43:36,981 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 .cse4 .cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse6) (and .cse7 .cse2 .cse4 .cse3) (and .cse7 .cse1 .cse2 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse1 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse4 .cse3) (not .cse6))) [2020-07-07 10:43:36,981 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-07-07 10:43:36,981 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-07 10:43:36,981 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-07-07 10:43:36,981 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-07-07 10:43:36,981 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse1 .cse6) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse2 .cse6) (not .cse4))) [2020-07-07 10:43:36,981 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-07 10:43:36,982 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-07-07 10:43:36,982 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2 .cse4) (and (<= 2 ~waterLevel~0) .cse2 .cse5 .cse4) (and .cse0 .cse2 .cse5 .cse3) (not (= 1 ~systemActive~0)))) [2020-07-07 10:43:36,982 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2 .cse4) (and (<= 2 ~waterLevel~0) .cse2 .cse5 .cse4) (and .cse0 .cse2 .cse5 .cse3) (not (= 1 ~systemActive~0)))) [2020-07-07 10:43:36,982 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-07 10:43:36,982 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-07-07 10:43:36,982 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 391 436) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point L405(lines 405 425) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 391 436) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 425) no Hoare annotation was computed. [2020-07-07 10:43:36,983 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 391 436) no Hoare annotation was computed. [2020-07-07 10:43:36,984 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2020-07-07 10:43:36,984 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2020-07-07 10:43:36,984 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2020-07-07 10:43:36,984 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse3 .cse2) (or .cse4 .cse1 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-07 10:43:36,984 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-07 10:43:36,984 INFO L268 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2020-07-07 10:43:36,984 INFO L268 CegarLoopResult]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2020-07-07 10:43:36,985 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4 .cse3) (or .cse5 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse2 .cse3))) [2020-07-07 10:43:36,985 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-07 10:43:36,985 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4 .cse3) (or .cse5 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse2 .cse3))) [2020-07-07 10:43:36,985 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4 .cse2))) [2020-07-07 10:43:36,985 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2020-07-07 10:43:36,985 INFO L268 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2020-07-07 10:43:36,985 INFO L268 CegarLoopResult]: For program point L738(lines 738 748) no Hoare annotation was computed. [2020-07-07 10:43:36,985 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-07 10:43:36,986 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-07 10:43:36,986 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 904 926) no Hoare annotation was computed. [2020-07-07 10:43:36,986 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 904 926) no Hoare annotation was computed. [2020-07-07 10:43:36,986 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 904 926) no Hoare annotation was computed. [2020-07-07 10:43:36,986 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:43:36,986 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2020-07-07 10:43:36,986 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2020-07-07 10:43:36,986 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 288 390) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point L376(lines 376 387) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point L358(lines 336 359) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 288 390) no Hoare annotation was computed. [2020-07-07 10:43:36,987 INFO L268 CegarLoopResult]: For program point L317(lines 317 333) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point L377(lines 377 384) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point L338(lines 337 357) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 288 390) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point L334(lines 334 375) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 961 970) no Hoare annotation was computed. [2020-07-07 10:43:36,988 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 961 970) no Hoare annotation was computed. [2020-07-07 10:43:36,989 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 961 970) no Hoare annotation was computed. [2020-07-07 10:43:36,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:36,989 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:43:36,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:36,989 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2020-07-07 10:43:36,989 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2020-07-07 10:43:36,990 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:43:36,990 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-07 10:43:36,990 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-07 10:43:36,990 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-07 10:43:36,990 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-07 10:43:36,990 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-07 10:43:36,990 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-07 10:43:36,990 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-07 10:43:36,991 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 927 935) no Hoare annotation was computed. [2020-07-07 10:43:36,991 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 927 935) no Hoare annotation was computed. [2020-07-07 10:43:36,991 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 927 935) no Hoare annotation was computed. [2020-07-07 10:43:36,991 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse3) (or .cse4 .cse0 .cse6 .cse2 .cse3))) [2020-07-07 10:43:36,991 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-07-07 10:43:36,991 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-07-07 10:43:36,991 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:36,991 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:43:36,992 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:36,992 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse7 .cse4))) [2020-07-07 10:43:36,992 INFO L264 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse4 (and .cse11 .cse13)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (<= 2 ~waterLevel~0) .cse12 .cse13 (<= 1 ~pumpRunning~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) .cse11 .cse12)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse4 .cse7 .cse5) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse6 .cse8 .cse9 .cse2 .cse10 .cse5) (or .cse8 .cse9 .cse2 .cse3 .cse10 .cse5)))) [2020-07-07 10:43:36,992 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse9 .cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 ~methAndRunningLastTime~0) .cse9 .cse10)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse8 .cse3 .cse4) (or .cse8 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4)))) [2020-07-07 10:43:36,993 INFO L268 CegarLoopResult]: For program point L501(lines 500 519) no Hoare annotation was computed. [2020-07-07 10:43:36,993 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (= 0 ~pumpRunning~0) .cse12)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse11 .cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse11 .cse12)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse4) (or .cse5 .cse7 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse9 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4)))) [2020-07-07 10:43:36,993 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2020-07-07 10:43:36,993 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2020-07-07 10:43:36,993 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-07 10:43:36,993 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2020-07-07 10:43:36,993 INFO L271 CegarLoopResult]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2020-07-07 10:43:36,993 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2020-07-07 10:43:36,994 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-07 10:43:36,994 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-07 10:43:36,994 INFO L271 CegarLoopResult]: At program point L782(lines 757 786) the Hoare annotation is: true [2020-07-07 10:43:36,994 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-07 10:43:36,994 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-07 10:43:36,994 INFO L271 CegarLoopResult]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2020-07-07 10:43:36,994 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2020-07-07 10:43:36,994 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2020-07-07 10:43:36,995 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2020-07-07 10:43:36,995 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-07-07 10:43:36,995 INFO L268 CegarLoopResult]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2020-07-07 10:43:36,995 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2020-07-07 10:43:36,995 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2020-07-07 10:43:36,995 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2020-07-07 10:43:36,995 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:43:36,995 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:43:36,996 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:43:36,996 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:43:36,996 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4))) [2020-07-07 10:43:36,996 INFO L264 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-07 10:43:36,996 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2020-07-07 10:43:36,996 INFO L264 CegarLoopResult]: At program point L539(line 539) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-07 10:43:36,997 INFO L268 CegarLoopResult]: For program point L537(lines 537 545) no Hoare annotation was computed. [2020-07-07 10:43:36,997 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-07 10:43:36,997 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-07-07 10:43:36,997 INFO L268 CegarLoopResult]: For program point L533(lines 533 550) no Hoare annotation was computed. [2020-07-07 10:43:36,997 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-07 10:43:36,997 INFO L268 CegarLoopResult]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2020-07-07 10:43:36,997 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2020-07-07 10:43:36,997 INFO L268 CegarLoopResult]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2020-07-07 10:43:36,998 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse5 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-07 10:43:36,998 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:43:36,998 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-07 10:43:36,998 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-07 10:43:36,998 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-07 10:43:36,998 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-07 10:43:36,999 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2020-07-07 10:43:36,999 INFO L268 CegarLoopResult]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2020-07-07 10:43:36,999 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4))) [2020-07-07 10:43:36,999 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-07 10:43:36,999 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-07 10:43:36,999 INFO L268 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-07-07 10:43:37,000 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-07 10:43:37,000 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-07 10:43:37,000 INFO L268 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-07-07 10:43:37,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:43:37 BoogieIcfgContainer [2020-07-07 10:43:37,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:43:37,025 INFO L168 Benchmark]: Toolchain (without parser) took 75260.04 ms. Allocated memory was 145.2 MB in the beginning and 944.2 MB in the end (delta: 799.0 MB). Free memory was 103.3 MB in the beginning and 869.3 MB in the end (delta: -766.1 MB). Peak memory consumption was 832.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:37,026 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:43:37,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.85 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 170.0 MB in the end (delta: -67.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:37,027 INFO L168 Benchmark]: Boogie Preprocessor took 104.60 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:37,027 INFO L168 Benchmark]: RCFGBuilder took 1278.89 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 191.2 MB in the end (delta: -25.3 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:37,028 INFO L168 Benchmark]: TraceAbstraction took 73187.07 ms. Allocated memory was 236.5 MB in the beginning and 944.2 MB in the end (delta: 707.8 MB). Free memory was 189.8 MB in the beginning and 869.3 MB in the end (delta: -679.6 MB). Peak memory consumption was 827.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:37,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.85 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 170.0 MB in the end (delta: -67.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.60 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1278.89 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 191.2 MB in the end (delta: -25.3 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73187.07 ms. Allocated memory was 236.5 MB in the beginning and 944.2 MB in the end (delta: 707.8 MB). Free memory was 189.8 MB in the beginning and 869.3 MB in the end (delta: -679.6 MB). Peak memory consumption was 827.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(waterLevel))) || (((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= pumpRunning)) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= pumpRunning)) || (((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == systemActive) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 30.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1766 SDtfs, 3005 SDslu, 2182 SDs, 0 SdLazy, 6711 SolverSat, 1916 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 922 GetRequests, 727 SyntacticMatches, 5 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1213occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 859 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2225 PreInvPairs, 2318 NumberOfFragments, 3051 HoareAnnotationTreeSize, 2225 FomulaSimplifications, 263869110 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 14793396 FormulaSimplificationTreeSizeReductionInter, 26.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 508171 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1879 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 196/208 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...