/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:08:16,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:08:16,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:08:16,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:08:16,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:08:16,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:08:16,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:08:16,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:08:16,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:08:16,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:08:16,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:08:16,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:08:16,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:08:16,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:08:16,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:08:16,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:08:16,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:08:16,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:08:16,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:08:16,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:08:16,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:08:16,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:08:16,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:08:16,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:08:16,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:08:16,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:08:16,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:08:16,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:08:16,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:08:16,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:08:16,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:08:16,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:08:16,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:08:16,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:08:16,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:08:16,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:08:16,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:08:16,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:08:16,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:08:16,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:08:16,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:08:16,456 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 [2020-07-19 21:08:16,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:08:16,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:08:16,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:08:16,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:08:16,473 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:08:16,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:08:16,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:08:16,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:08:16,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:08:16,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:08:16,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:08:16,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:08:16,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:08:16,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:08:16,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:08:16,475 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:08:16,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:08:16,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:08:16,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:08:16,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:08:16,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:08:16,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:08:16,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:08:16,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:08:16,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:08:16,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:08:16,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:08:16,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:08:16,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:08:16,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:08:16,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:08:16,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:08:16,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:08:16,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:08:16,800 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:08:16,801 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-19 21:08:16,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58227b88b/58b19305535249a4a6da17e71fbea047/FLAG398746b67 [2020-07-19 21:08:17,422 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:08:17,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-19 21:08:17,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58227b88b/58b19305535249a4a6da17e71fbea047/FLAG398746b67 [2020-07-19 21:08:17,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58227b88b/58b19305535249a4a6da17e71fbea047 [2020-07-19 21:08:17,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:08:17,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:08:17,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:08:17,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:08:17,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:08:17,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:08:17" (1/1) ... [2020-07-19 21:08:17,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea83c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:17, skipping insertion in model container [2020-07-19 21:08:17,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:08:17" (1/1) ... [2020-07-19 21:08:17,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:08:17,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:08:18,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:08:18,259 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:08:18,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:08:18,427 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:08:18,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18 WrapperNode [2020-07-19 21:08:18,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:08:18,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:08:18,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:08:18,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:08:18,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... [2020-07-19 21:08:18,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... [2020-07-19 21:08:18,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... [2020-07-19 21:08:18,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... [2020-07-19 21:08:18,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... [2020-07-19 21:08:18,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... [2020-07-19 21:08:18,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... [2020-07-19 21:08:18,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:08:18,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:08:18,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:08:18,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:08:18,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:08:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:08:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:08:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:08:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:08:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:08:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:08:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:08:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:08:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:08:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:08:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 21:08:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:08:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:08:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:08:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 21:08:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:08:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:08:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:08:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:08:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:08:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:08:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:08:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 21:08:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:08:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 21:08:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:08:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:08:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:08:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:08:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:08:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:08:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:08:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:08:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:08:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:08:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:08:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:08:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:08:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:08:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:08:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:08:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:08:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:08:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:08:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:08:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:08:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:08:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:08:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:08:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:08:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:08:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:08:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:08:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:08:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:08:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 21:08:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:08:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:08:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:08:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:08:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:08:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:08:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:08:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 21:08:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:08:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:08:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:08:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:08:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:08:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 21:08:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 21:08:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 21:08:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:08:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:08:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:08:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:08:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:08:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:08:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:08:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:08:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:08:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:08:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:08:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:08:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:08:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:08:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:08:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:08:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:08:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:08:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:08:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:08:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:08:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:08:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:08:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:08:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:08:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:08:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:08:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:08:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:08:19,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:08:19,726 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:08:19,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:08:19 BoogieIcfgContainer [2020-07-19 21:08:19,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:08:19,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:08:19,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:08:19,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:08:19,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:08:17" (1/3) ... [2020-07-19 21:08:19,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fd572d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:08:19, skipping insertion in model container [2020-07-19 21:08:19,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:08:18" (2/3) ... [2020-07-19 21:08:19,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fd572d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:08:19, skipping insertion in model container [2020-07-19 21:08:19,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:08:19" (3/3) ... [2020-07-19 21:08:19,747 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-07-19 21:08:19,757 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:08:19,769 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:08:19,785 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:08:19,806 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:08:19,806 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:08:19,806 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:08:19,807 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:08:19,807 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:08:19,807 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:08:19,807 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:08:19,808 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:08:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-07-19 21:08:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:08:19,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:19,844 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:19,844 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:19,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:19,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times [2020-07-19 21:08:19,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:19,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845300778] [2020-07-19 21:08:19,862 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,577 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:20,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845300778] [2020-07-19 21:08:20,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:20,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:08:20,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764754530] [2020-07-19 21:08:20,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:08:20,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:20,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:08:20,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:08:20,740 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 4 states. [2020-07-19 21:08:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:22,086 INFO L93 Difference]: Finished difference Result 366 states and 469 transitions. [2020-07-19 21:08:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:08:22,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:08:22,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:22,108 INFO L225 Difference]: With dead ends: 366 [2020-07-19 21:08:22,109 INFO L226 Difference]: Without dead ends: 201 [2020-07-19 21:08:22,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:08:22,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-19 21:08:22,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 166. [2020-07-19 21:08:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-19 21:08:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2020-07-19 21:08:22,230 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2020-07-19 21:08:22,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:22,231 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2020-07-19 21:08:22,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:08:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2020-07-19 21:08:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 21:08:22,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:22,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:22,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:08:22,237 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:22,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:22,238 INFO L82 PathProgramCache]: Analyzing trace with hash 2102602730, now seen corresponding path program 1 times [2020-07-19 21:08:22,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:22,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063374126] [2020-07-19 21:08:22,238 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,568 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:22,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063374126] [2020-07-19 21:08:22,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:22,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:08:22,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162940911] [2020-07-19 21:08:22,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:08:22,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:22,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:08:22,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:08:22,647 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 5 states. [2020-07-19 21:08:23,175 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:24,261 INFO L93 Difference]: Finished difference Result 301 states and 369 transitions. [2020-07-19 21:08:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:08:24,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 21:08:24,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:24,266 INFO L225 Difference]: With dead ends: 301 [2020-07-19 21:08:24,268 INFO L226 Difference]: Without dead ends: 191 [2020-07-19 21:08:24,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:08:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-19 21:08:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 157. [2020-07-19 21:08:24,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-19 21:08:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2020-07-19 21:08:24,324 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60 [2020-07-19 21:08:24,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:24,324 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2020-07-19 21:08:24,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:08:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2020-07-19 21:08:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 21:08:24,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:24,328 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:24,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:08:24,329 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:24,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:24,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1388581610, now seen corresponding path program 1 times [2020-07-19 21:08:24,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:24,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191217486] [2020-07-19 21:08:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,700 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:24,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191217486] [2020-07-19 21:08:24,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:24,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:08:24,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112974322] [2020-07-19 21:08:24,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:08:24,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:24,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:08:24,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:24,843 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 9 states. [2020-07-19 21:08:25,235 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:25,542 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:25,797 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:26,011 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:26,953 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:29,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:29,125 INFO L93 Difference]: Finished difference Result 524 states and 649 transitions. [2020-07-19 21:08:29,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:08:29,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 21:08:29,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:29,138 INFO L225 Difference]: With dead ends: 524 [2020-07-19 21:08:29,138 INFO L226 Difference]: Without dead ends: 395 [2020-07-19 21:08:29,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:08:29,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-07-19 21:08:29,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 330. [2020-07-19 21:08:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-07-19 21:08:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 400 transitions. [2020-07-19 21:08:29,225 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 400 transitions. Word has length 65 [2020-07-19 21:08:29,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:29,226 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 400 transitions. [2020-07-19 21:08:29,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:08:29,226 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 400 transitions. [2020-07-19 21:08:29,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 21:08:29,229 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:29,230 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:29,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:08:29,230 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:29,230 INFO L82 PathProgramCache]: Analyzing trace with hash -262157671, now seen corresponding path program 1 times [2020-07-19 21:08:29,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:29,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183438476] [2020-07-19 21:08:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,566 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:29,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:08:29,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183438476] [2020-07-19 21:08:29,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:29,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:08:29,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965193637] [2020-07-19 21:08:29,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:08:29,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:29,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:08:29,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:29,701 INFO L87 Difference]: Start difference. First operand 330 states and 400 transitions. Second operand 9 states. [2020-07-19 21:08:30,106 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:30,815 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:31,663 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:31,979 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:32,237 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:32,523 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:33,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:33,498 INFO L93 Difference]: Finished difference Result 843 states and 1098 transitions. [2020-07-19 21:08:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:08:33,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 21:08:33,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:33,504 INFO L225 Difference]: With dead ends: 843 [2020-07-19 21:08:33,504 INFO L226 Difference]: Without dead ends: 541 [2020-07-19 21:08:33,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:08:33,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2020-07-19 21:08:33,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 473. [2020-07-19 21:08:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-07-19 21:08:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 569 transitions. [2020-07-19 21:08:33,613 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 569 transitions. Word has length 70 [2020-07-19 21:08:33,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:33,614 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 569 transitions. [2020-07-19 21:08:33,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:08:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 569 transitions. [2020-07-19 21:08:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 21:08:33,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:33,617 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:33,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:08:33,618 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:33,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:33,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1621424268, now seen corresponding path program 1 times [2020-07-19 21:08:33,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:33,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343205646] [2020-07-19 21:08:33,619 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,859 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:34,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343205646] [2020-07-19 21:08:34,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:34,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:08:34,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408937324] [2020-07-19 21:08:34,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:08:34,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:34,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:08:34,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:08:34,017 INFO L87 Difference]: Start difference. First operand 473 states and 569 transitions. Second operand 9 states. [2020-07-19 21:08:35,353 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:35,616 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:35,871 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:36,135 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:37,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:37,121 INFO L93 Difference]: Finished difference Result 1007 states and 1277 transitions. [2020-07-19 21:08:37,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:08:37,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-19 21:08:37,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:37,129 INFO L225 Difference]: With dead ends: 1007 [2020-07-19 21:08:37,129 INFO L226 Difference]: Without dead ends: 562 [2020-07-19 21:08:37,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:08:37,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-07-19 21:08:37,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 486. [2020-07-19 21:08:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-07-19 21:08:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2020-07-19 21:08:37,229 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 98 [2020-07-19 21:08:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:37,230 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2020-07-19 21:08:37,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:08:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2020-07-19 21:08:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 21:08:37,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:37,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:37,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:08:37,233 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:37,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:37,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1693810826, now seen corresponding path program 1 times [2020-07-19 21:08:37,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:37,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852992651] [2020-07-19 21:08:37,234 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,510 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:37,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852992651] [2020-07-19 21:08:37,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:37,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:08:37,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307127180] [2020-07-19 21:08:37,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:08:37,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:37,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:08:37,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:08:37,664 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 11 states. [2020-07-19 21:08:38,753 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:38,981 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:39,204 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:40,042 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:40,301 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:40,557 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:41,597 INFO L93 Difference]: Finished difference Result 1034 states and 1330 transitions. [2020-07-19 21:08:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:08:41,598 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-19 21:08:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:41,606 INFO L225 Difference]: With dead ends: 1034 [2020-07-19 21:08:41,606 INFO L226 Difference]: Without dead ends: 576 [2020-07-19 21:08:41,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:08:41,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-07-19 21:08:41,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 494. [2020-07-19 21:08:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-07-19 21:08:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 591 transitions. [2020-07-19 21:08:41,697 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 591 transitions. Word has length 98 [2020-07-19 21:08:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:41,697 INFO L479 AbstractCegarLoop]: Abstraction has 494 states and 591 transitions. [2020-07-19 21:08:41,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:08:41,698 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 591 transitions. [2020-07-19 21:08:41,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 21:08:41,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:41,700 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:41,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:08:41,700 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:41,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:41,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1364045065, now seen corresponding path program 1 times [2020-07-19 21:08:41,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:41,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721979727] [2020-07-19 21:08:41,701 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:41,962 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:42,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721979727] [2020-07-19 21:08:42,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:42,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:08:42,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914991166] [2020-07-19 21:08:42,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:08:42,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:42,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:08:42,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:08:42,153 INFO L87 Difference]: Start difference. First operand 494 states and 591 transitions. Second operand 7 states. [2020-07-19 21:08:42,460 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:43,022 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:45,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:45,334 INFO L93 Difference]: Finished difference Result 1535 states and 1984 transitions. [2020-07-19 21:08:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:08:45,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-07-19 21:08:45,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:45,343 INFO L225 Difference]: With dead ends: 1535 [2020-07-19 21:08:45,344 INFO L226 Difference]: Without dead ends: 1069 [2020-07-19 21:08:45,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:08:45,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-07-19 21:08:45,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 991. [2020-07-19 21:08:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-07-19 21:08:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1203 transitions. [2020-07-19 21:08:45,534 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1203 transitions. Word has length 98 [2020-07-19 21:08:45,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:45,534 INFO L479 AbstractCegarLoop]: Abstraction has 991 states and 1203 transitions. [2020-07-19 21:08:45,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:08:45,535 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1203 transitions. [2020-07-19 21:08:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:08:45,540 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:45,540 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:08:45,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:08:45,541 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:45,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:45,541 INFO L82 PathProgramCache]: Analyzing trace with hash 884836017, now seen corresponding path program 1 times [2020-07-19 21:08:45,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:45,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481043493] [2020-07-19 21:08:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,938 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:08:46,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481043493] [2020-07-19 21:08:46,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:08:46,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:08:46,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262361534] [2020-07-19 21:08:46,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:08:46,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:46,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:08:46,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:08:46,214 INFO L87 Difference]: Start difference. First operand 991 states and 1203 transitions. Second operand 12 states. [2020-07-19 21:08:46,798 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:47,444 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:48,100 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:48,416 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:48,671 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:08:48,949 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:49,206 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:08:51,168 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:51,474 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:08:52,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:52,136 INFO L93 Difference]: Finished difference Result 2813 states and 3636 transitions. [2020-07-19 21:08:52,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:08:52,136 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 102 [2020-07-19 21:08:52,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:52,149 INFO L225 Difference]: With dead ends: 2813 [2020-07-19 21:08:52,149 INFO L226 Difference]: Without dead ends: 2052 [2020-07-19 21:08:52,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:08:52,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2020-07-19 21:08:52,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1740. [2020-07-19 21:08:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1740 states. [2020-07-19 21:08:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2094 transitions. [2020-07-19 21:08:52,488 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2094 transitions. Word has length 102 [2020-07-19 21:08:52,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:52,492 INFO L479 AbstractCegarLoop]: Abstraction has 1740 states and 2094 transitions. [2020-07-19 21:08:52,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:08:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2094 transitions. [2020-07-19 21:08:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-19 21:08:52,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:08:52,498 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, 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, 1] [2020-07-19 21:08:52,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:08:52,498 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:08:52,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:08:52,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1627137653, now seen corresponding path program 1 times [2020-07-19 21:08:52,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:08:52,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869148068] [2020-07-19 21:08:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:08:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,826 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-19 21:08:53,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869148068] [2020-07-19 21:08:53,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729706287] [2020-07-19 21:08:53,153 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 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 [2020-07-19 21:08:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:08:53,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:08:53,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:08:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:08:53,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:08:53,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:08:53,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470510993] [2020-07-19 21:08:53,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:08:53,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:08:53,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:08:53,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:08:53,764 INFO L87 Difference]: Start difference. First operand 1740 states and 2094 transitions. Second operand 20 states. [2020-07-19 21:08:54,676 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:08:55,031 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:55,299 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:55,579 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:08:56,376 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-07-19 21:08:56,765 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 21:08:57,089 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:08:57,491 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-19 21:08:57,843 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:08:59,089 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:08:59,814 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:00,131 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:00,463 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:09:01,080 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:01,501 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:09:02,148 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-19 21:09:02,562 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:09:02,868 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:03,490 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:04,402 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:04,971 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:05,284 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:05,532 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:09:05,822 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-19 21:09:06,088 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:09:06,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:06,420 INFO L93 Difference]: Finished difference Result 3797 states and 4717 transitions. [2020-07-19 21:09:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-19 21:09:06,420 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 180 [2020-07-19 21:09:06,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:06,434 INFO L225 Difference]: With dead ends: 3797 [2020-07-19 21:09:06,434 INFO L226 Difference]: Without dead ends: 2275 [2020-07-19 21:09:06,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1609 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=1023, Invalid=4379, Unknown=0, NotChecked=0, Total=5402 [2020-07-19 21:09:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2020-07-19 21:09:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2031. [2020-07-19 21:09:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2031 states. [2020-07-19 21:09:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2386 transitions. [2020-07-19 21:09:06,947 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2386 transitions. Word has length 180 [2020-07-19 21:09:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:06,948 INFO L479 AbstractCegarLoop]: Abstraction has 2031 states and 2386 transitions. [2020-07-19 21:09:06,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:09:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2386 transitions. [2020-07-19 21:09:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-19 21:09:06,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:06,960 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:09:07,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:09:07,173 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:07,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:07,173 INFO L82 PathProgramCache]: Analyzing trace with hash -489961037, now seen corresponding path program 1 times [2020-07-19 21:09:07,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:07,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718043599] [2020-07-19 21:09:07,174 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:09:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,545 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2020-07-19 21:09:08,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718043599] [2020-07-19 21:09:08,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596744571] [2020-07-19 21:09:08,077 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 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 [2020-07-19 21:09:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:08,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:09:08,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-07-19 21:09:08,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:08,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-19 21:09:08,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269983281] [2020-07-19 21:09:08,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 21:09:08,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:08,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 21:09:08,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:09:08,657 INFO L87 Difference]: Start difference. First operand 2031 states and 2386 transitions. Second operand 24 states. [2020-07-19 21:09:09,612 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:10,422 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:11,191 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:11,747 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:09:12,238 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:09:12,494 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:12,845 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:13,120 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:13,424 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:13,680 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:14,871 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:15,166 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:19,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:19,506 INFO L93 Difference]: Finished difference Result 5138 states and 6888 transitions. [2020-07-19 21:09:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-19 21:09:19,507 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 305 [2020-07-19 21:09:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:19,535 INFO L225 Difference]: With dead ends: 5138 [2020-07-19 21:09:19,535 INFO L226 Difference]: Without dead ends: 3158 [2020-07-19 21:09:19,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 419 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2020-07-19 21:09:19,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2020-07-19 21:09:20,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2237. [2020-07-19 21:09:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2237 states. [2020-07-19 21:09:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 2237 states and 2619 transitions. [2020-07-19 21:09:20,104 INFO L78 Accepts]: Start accepts. Automaton has 2237 states and 2619 transitions. Word has length 305 [2020-07-19 21:09:20,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:20,105 INFO L479 AbstractCegarLoop]: Abstraction has 2237 states and 2619 transitions. [2020-07-19 21:09:20,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 21:09:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 2619 transitions. [2020-07-19 21:09:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-07-19 21:09:20,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:20,118 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:09:20,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:09:20,333 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:20,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1260839399, now seen corresponding path program 1 times [2020-07-19 21:09:20,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:20,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373670337] [2020-07-19 21:09:20,335 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:09:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,681 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 94 proven. 46 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-07-19 21:09:21,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373670337] [2020-07-19 21:09:21,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908948715] [2020-07-19 21:09:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:21,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-19 21:09:21,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-19 21:09:21,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:21,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 21:09:21,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363924417] [2020-07-19 21:09:21,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:09:21,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:21,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:09:21,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:09:21,660 INFO L87 Difference]: Start difference. First operand 2237 states and 2619 transitions. Second operand 22 states. [2020-07-19 21:09:22,432 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:09:22,978 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:23,491 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:23,959 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:24,930 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:09:26,077 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:09:26,602 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:09:27,074 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:09:27,684 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:28,765 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:29,057 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:29,824 INFO L93 Difference]: Finished difference Result 4397 states and 5308 transitions. [2020-07-19 21:09:29,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:09:29,825 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 317 [2020-07-19 21:09:29,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:29,839 INFO L225 Difference]: With dead ends: 4397 [2020-07-19 21:09:29,839 INFO L226 Difference]: Without dead ends: 2401 [2020-07-19 21:09:29,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 21:09:29,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2020-07-19 21:09:30,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2239. [2020-07-19 21:09:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2239 states. [2020-07-19 21:09:30,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 2615 transitions. [2020-07-19 21:09:30,281 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 2615 transitions. Word has length 317 [2020-07-19 21:09:30,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:30,284 INFO L479 AbstractCegarLoop]: Abstraction has 2239 states and 2615 transitions. [2020-07-19 21:09:30,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:09:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2615 transitions. [2020-07-19 21:09:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-07-19 21:09:30,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:30,297 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:09:30,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:09:30,511 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:30,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:30,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1476166616, now seen corresponding path program 1 times [2020-07-19 21:09:30,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:30,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627550877] [2020-07-19 21:09:30,512 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:09:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,882 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 75 proven. 11 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-07-19 21:09:31,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627550877] [2020-07-19 21:09:31,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769780317] [2020-07-19 21:09:31,276 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:31,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 21:09:31,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 175 proven. 16 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-07-19 21:09:31,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:31,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-19 21:09:31,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676791342] [2020-07-19 21:09:31,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:09:31,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:31,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:09:31,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:09:31,762 INFO L87 Difference]: Start difference. First operand 2239 states and 2615 transitions. Second operand 22 states. [2020-07-19 21:09:32,457 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:33,252 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:33,663 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:34,181 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:38,240 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:38,541 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:38,817 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:39,108 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:39,621 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:09:40,131 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:09:40,443 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:40,725 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:09:41,251 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:09:41,754 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:09:43,164 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:09:43,495 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:43,825 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:44,095 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:09:44,611 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:09:45,108 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:09:46,025 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:09:48,395 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:48,681 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:48,949 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:09:49,465 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:50,021 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:09:53,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:53,685 INFO L93 Difference]: Finished difference Result 9300 states and 12335 transitions. [2020-07-19 21:09:53,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-07-19 21:09:53,686 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 318 [2020-07-19 21:09:53,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:53,727 INFO L225 Difference]: With dead ends: 9300 [2020-07-19 21:09:53,727 INFO L226 Difference]: Without dead ends: 6855 [2020-07-19 21:09:53,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 445 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3954 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=2040, Invalid=9516, Unknown=0, NotChecked=0, Total=11556 [2020-07-19 21:09:53,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6855 states. [2020-07-19 21:09:54,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6855 to 5369. [2020-07-19 21:09:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5369 states. [2020-07-19 21:09:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 5369 states and 6166 transitions. [2020-07-19 21:09:54,567 INFO L78 Accepts]: Start accepts. Automaton has 5369 states and 6166 transitions. Word has length 318 [2020-07-19 21:09:54,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:54,567 INFO L479 AbstractCegarLoop]: Abstraction has 5369 states and 6166 transitions. [2020-07-19 21:09:54,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:09:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 6166 transitions. [2020-07-19 21:09:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-07-19 21:09:54,587 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:54,587 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:09:54,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:54,802 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:54,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:54,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1972990221, now seen corresponding path program 1 times [2020-07-19 21:09:54,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:54,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717035631] [2020-07-19 21:09:54,804 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:09:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,144 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2020-07-19 21:09:55,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717035631] [2020-07-19 21:09:55,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538194723] [2020-07-19 21:09:55,478 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:55,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 21:09:55,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2020-07-19 21:09:55,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:09:55,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-19 21:09:55,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609511220] [2020-07-19 21:09:55,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:09:55,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:55,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:09:55,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:09:55,806 INFO L87 Difference]: Start difference. First operand 5369 states and 6166 transitions. Second operand 3 states. [2020-07-19 21:09:56,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:09:56,387 INFO L93 Difference]: Finished difference Result 8722 states and 10046 transitions. [2020-07-19 21:09:56,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:09:56,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 369 [2020-07-19 21:09:56,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:09:56,404 INFO L225 Difference]: With dead ends: 8722 [2020-07-19 21:09:56,405 INFO L226 Difference]: Without dead ends: 3417 [2020-07-19 21:09:56,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:09:56,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2020-07-19 21:09:56,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3337. [2020-07-19 21:09:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3337 states. [2020-07-19 21:09:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 3337 states and 3768 transitions. [2020-07-19 21:09:56,879 INFO L78 Accepts]: Start accepts. Automaton has 3337 states and 3768 transitions. Word has length 369 [2020-07-19 21:09:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:09:56,880 INFO L479 AbstractCegarLoop]: Abstraction has 3337 states and 3768 transitions. [2020-07-19 21:09:56,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:09:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3768 transitions. [2020-07-19 21:09:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-07-19 21:09:56,888 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:09:56,889 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:09:57,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 21:09:57,102 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:09:57,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:09:57,102 INFO L82 PathProgramCache]: Analyzing trace with hash 45883664, now seen corresponding path program 1 times [2020-07-19 21:09:57,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:09:57,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630762340] [2020-07-19 21:09:57,103 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 [2020-07-19 21:09:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,420 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:09:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 118 proven. 53 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2020-07-19 21:09:58,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630762340] [2020-07-19 21:09:58,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219311375] [2020-07-19 21:09:58,050 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@60eda3c2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:09:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:09:58,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-19 21:09:58,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:09:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 202 proven. 46 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2020-07-19 21:09:58,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:09:58,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 28 [2020-07-19 21:09:58,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531031535] [2020-07-19 21:09:58,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-19 21:09:58,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:09:58,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-19 21:09:58,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2020-07-19 21:09:58,659 INFO L87 Difference]: Start difference. First operand 3337 states and 3768 transitions. Second operand 28 states. [2020-07-19 21:09:59,442 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-19 21:10:00,371 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:10:01,760 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:10:02,108 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:10:03,741 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:10:04,077 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:10:04,430 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:10:07,168 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-19 21:10:07,738 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:10:08,258 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:10:08,773 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:10:14,630 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:10:15,863 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-19 21:10:16,415 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:10:16,952 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:10:18,813 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-19 21:10:21,331 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:10:33,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:10:33,313 INFO L93 Difference]: Finished difference Result 16442 states and 23552 transitions. [2020-07-19 21:10:33,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2020-07-19 21:10:33,319 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 372 [2020-07-19 21:10:33,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:10:33,325 INFO L225 Difference]: With dead ends: 16442 [2020-07-19 21:10:33,325 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:10:33,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 605 SyntacticMatches, 9 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13244 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=5478, Invalid=27464, Unknown=0, NotChecked=0, Total=32942 [2020-07-19 21:10:33,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:10:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:10:33,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:10:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:10:33,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 372 [2020-07-19 21:10:33,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:10:33,382 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:10:33,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-19 21:10:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:10:33,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:10:33,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:10:33,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:10:35,808 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 223 [2020-07-19 21:10:45,827 WARN L193 SmtUtils]: Spent 10.02 s on a formula simplification. DAG size of input: 979 DAG size of output: 785 [2020-07-19 21:10:47,352 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-19 21:10:47,462 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-07-19 21:10:47,908 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-07-19 21:11:25,334 WARN L193 SmtUtils]: Spent 35.61 s on a formula simplification. DAG size of input: 1460 DAG size of output: 1251 [2020-07-19 21:11:30,344 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:32,526 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:33,833 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:11:35,184 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:36,714 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:37,311 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-07-19 21:11:38,959 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:11:39,436 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:11:40,166 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:11:40,740 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:42,060 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:42,556 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:11:42,725 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:42,836 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:43,701 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-07-19 21:11:44,605 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:45,038 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:11:45,196 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:45,786 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-07-19 21:11:46,088 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:11:46,452 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:46,943 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:48,068 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-07-19 21:11:48,436 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:48,709 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:48,949 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:49,208 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:49,320 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:49,435 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:49,573 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 225 [2020-07-19 21:11:49,687 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:50,143 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 226 [2020-07-19 21:11:50,581 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 226 [2020-07-19 21:12:11,387 WARN L193 SmtUtils]: Spent 20.04 s on a formula simplification. DAG size of input: 1183 DAG size of output: 973 [2020-07-19 21:12:19,586 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-07-19 21:12:21,667 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2020-07-19 21:13:30,495 WARN L193 SmtUtils]: Spent 26.64 s on a formula simplification. DAG size of input: 1237 DAG size of output: 1011 [2020-07-19 21:13:44,515 WARN L193 SmtUtils]: Spent 13.86 s on a formula simplification. DAG size of input: 1094 DAG size of output: 822 [2020-07-19 21:13:56,408 WARN L193 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 979 DAG size of output: 706 [2020-07-19 21:14:15,477 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-07-19 21:14:18,873 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-07-19 21:14:20,390 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 221 [2020-07-19 21:14:25,743 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 227 DAG size of output: 33 [2020-07-19 21:14:27,690 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 266 DAG size of output: 25 [2020-07-19 21:14:35,586 WARN L193 SmtUtils]: Spent 7.88 s on a formula simplification. DAG size of input: 682 DAG size of output: 38 [2020-07-19 21:14:36,665 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-07-19 21:14:37,042 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 21:14:38,779 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 278 DAG size of output: 33 [2020-07-19 21:14:38,993 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-07-19 21:14:39,199 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 21:14:41,057 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 254 DAG size of output: 28 [2020-07-19 21:15:07,361 WARN L193 SmtUtils]: Spent 26.27 s on a formula simplification. DAG size of input: 1148 DAG size of output: 40 [2020-07-19 21:15:07,757 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 34 [2020-07-19 21:15:07,988 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-19 21:15:11,848 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 292 DAG size of output: 59 [2020-07-19 21:15:12,113 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 1 [2020-07-19 21:15:13,684 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 243 DAG size of output: 33 [2020-07-19 21:15:13,901 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-19 21:15:16,566 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 367 DAG size of output: 25 [2020-07-19 21:15:16,776 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:15:17,000 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:15:32,560 WARN L193 SmtUtils]: Spent 15.55 s on a formula simplification. DAG size of input: 868 DAG size of output: 35 [2020-07-19 21:15:36,254 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 446 DAG size of output: 44 [2020-07-19 21:15:36,531 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 1 [2020-07-19 21:15:37,566 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 1 [2020-07-19 21:15:39,344 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 284 DAG size of output: 30 [2020-07-19 21:15:42,317 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 364 DAG size of output: 36 [2020-07-19 21:15:42,928 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-07-19 21:15:44,714 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 278 DAG size of output: 33 [2020-07-19 21:15:46,594 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 361 DAG size of output: 31 [2020-07-19 21:15:49,681 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 307 DAG size of output: 39 [2020-07-19 21:15:53,109 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 434 DAG size of output: 34 [2020-07-19 21:15:53,337 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:15:54,476 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-07-19 21:15:56,358 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 254 DAG size of output: 28 [2020-07-19 21:16:12,276 WARN L193 SmtUtils]: Spent 15.90 s on a formula simplification. DAG size of input: 910 DAG size of output: 37 [2020-07-19 21:16:13,078 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-07-19 21:16:24,296 WARN L193 SmtUtils]: Spent 11.21 s on a formula simplification. DAG size of input: 734 DAG size of output: 32 [2020-07-19 21:16:26,089 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 288 DAG size of output: 38 [2020-07-19 21:16:27,026 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 35 [2020-07-19 21:16:28,363 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 235 DAG size of output: 18 [2020-07-19 21:16:28,577 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:16:29,774 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 244 DAG size of output: 36 [2020-07-19 21:16:30,783 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-07-19 21:16:31,754 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-07-19 21:16:31,983 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-07-19 21:16:32,200 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:16:39,286 WARN L193 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 622 DAG size of output: 40 [2020-07-19 21:16:41,547 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 284 DAG size of output: 46 [2020-07-19 21:16:41,747 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-19 21:16:42,027 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 1 [2020-07-19 21:16:43,115 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2020-07-19 21:16:43,337 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:16:43,564 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1 [2020-07-19 21:16:44,488 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 24 [2020-07-19 21:16:44,707 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:16:44,926 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:16:45,755 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-07-19 21:16:46,925 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 235 DAG size of output: 24 [2020-07-19 21:16:47,150 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-19 21:16:48,080 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 36 [2020-07-19 21:16:51,222 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 410 DAG size of output: 34 [2020-07-19 21:16:51,229 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 627 682) no Hoare annotation was computed. [2020-07-19 21:16:51,230 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-07-19 21:16:51,230 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-07-19 21:16:51,230 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-19 21:16:51,230 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 673) no Hoare annotation was computed. [2020-07-19 21:16:51,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 627 682) no Hoare annotation was computed. [2020-07-19 21:16:51,230 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 627 682) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point L674(lines 651 675) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point L735(lines 708 736) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 683 742) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 683 742) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-07-19 21:16:51,231 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 719) no Hoare annotation was computed. [2020-07-19 21:16:51,232 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 683 742) no Hoare annotation was computed. [2020-07-19 21:16:51,232 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-19 21:16:51,232 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 734) no Hoare annotation was computed. [2020-07-19 21:16:51,232 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 500 506) the Hoare annotation is: true [2020-07-19 21:16:51,232 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 500 506) no Hoare annotation was computed. [2020-07-19 21:16:51,232 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 507 515) no Hoare annotation was computed. [2020-07-19 21:16:51,233 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 507 515) the Hoare annotation is: true [2020-07-19 21:16:51,233 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 507 515) no Hoare annotation was computed. [2020-07-19 21:16:51,233 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 527 534) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:16:51,233 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 527 534) no Hoare annotation was computed. [2020-07-19 21:16:51,233 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 527 534) no Hoare annotation was computed. [2020-07-19 21:16:51,234 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 535 544) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse5) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse6 .cse4 .cse5) (or (not (<= ~waterLevel~0 2)) .cse2 .cse3 .cse5) (or .cse0 .cse2 .cse6 .cse3))) [2020-07-19 21:16:51,234 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-19 21:16:51,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 535 544) no Hoare annotation was computed. [2020-07-19 21:16:51,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 535 544) no Hoare annotation was computed. [2020-07-19 21:16:51,234 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 545 573) the Hoare annotation is: true [2020-07-19 21:16:51,234 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse3 .cse2) (or (not (= 1 ~waterLevel~0)) .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse5 .cse1 (not (<= ~waterLevel~0 0)) .cse2))) [2020-07-19 21:16:51,235 INFO L268 CegarLoopResult]: For program point L558(lines 558 564) no Hoare annotation was computed. [2020-07-19 21:16:51,235 INFO L268 CegarLoopResult]: For program point L557(lines 557 567) no Hoare annotation was computed. [2020-07-19 21:16:51,235 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 545 573) no Hoare annotation was computed. [2020-07-19 21:16:51,235 INFO L264 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse6 .cse2) (or .cse7 .cse6 .cse2 .cse3) (or .cse5 (not (= 2 ~waterLevel~0)) .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse4 .cse6 .cse3))) [2020-07-19 21:16:51,235 INFO L268 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-07-19 21:16:51,236 INFO L268 CegarLoopResult]: For program point L553(lines 553 570) no Hoare annotation was computed. [2020-07-19 21:16:51,236 INFO L268 CegarLoopResult]: For program point L553-1(lines 545 573) no Hoare annotation was computed. [2020-07-19 21:16:51,236 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-19 21:16:51,236 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-19 21:16:51,236 INFO L264 CegarLoopResult]: At program point L1026-1(line 1026) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:16:51,236 INFO L268 CegarLoopResult]: For program point L1024(lines 1024 1031) no Hoare annotation was computed. [2020-07-19 21:16:51,236 INFO L268 CegarLoopResult]: For program point L1024-1(lines 1024 1031) no Hoare annotation was computed. [2020-07-19 21:16:51,236 INFO L268 CegarLoopResult]: For program point L1022(line 1022) no Hoare annotation was computed. [2020-07-19 21:16:51,237 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1014 1036) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:16:51,237 INFO L264 CegarLoopResult]: At program point L1021(line 1021) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:16:51,237 INFO L264 CegarLoopResult]: At program point L1020(line 1020) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:16:51,237 INFO L264 CegarLoopResult]: At program point L1020-1(line 1020) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:16:51,237 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1014 1036) no Hoare annotation was computed. [2020-07-19 21:16:51,237 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1014 1036) no Hoare annotation was computed. [2020-07-19 21:16:51,238 INFO L264 CegarLoopResult]: At program point L1026(line 1026) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:16:51,238 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 972 995) no Hoare annotation was computed. [2020-07-19 21:16:51,238 INFO L268 CegarLoopResult]: For program point L990(line 990) no Hoare annotation was computed. [2020-07-19 21:16:51,238 INFO L268 CegarLoopResult]: For program point L989(line 989) no Hoare annotation was computed. [2020-07-19 21:16:51,238 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 972 995) no Hoare annotation was computed. [2020-07-19 21:16:51,238 INFO L268 CegarLoopResult]: For program point L988(line 988) no Hoare annotation was computed. [2020-07-19 21:16:51,239 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 972 995) no Hoare annotation was computed. [2020-07-19 21:16:51,239 INFO L268 CegarLoopResult]: For program point L987(line 987) no Hoare annotation was computed. [2020-07-19 21:16:51,239 INFO L268 CegarLoopResult]: For program point L986(line 986) no Hoare annotation was computed. [2020-07-19 21:16:51,239 INFO L268 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-07-19 21:16:51,239 INFO L268 CegarLoopResult]: For program point L984(line 984) no Hoare annotation was computed. [2020-07-19 21:16:51,239 INFO L268 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2020-07-19 21:16:51,239 INFO L268 CegarLoopResult]: For program point L982(line 982) no Hoare annotation was computed. [2020-07-19 21:16:51,240 INFO L268 CegarLoopResult]: For program point L981(line 981) no Hoare annotation was computed. [2020-07-19 21:16:51,240 INFO L268 CegarLoopResult]: For program point L980(line 980) no Hoare annotation was computed. [2020-07-19 21:16:51,240 INFO L268 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-07-19 21:16:51,240 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-19 21:16:51,240 INFO L268 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-07-19 21:16:51,240 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2020-07-19 21:16:51,241 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 21:16:51,241 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|)) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-19 21:16:51,241 INFO L268 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-07-19 21:16:51,241 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2020-07-19 21:16:51,241 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 302 310) no Hoare annotation was computed. [2020-07-19 21:16:51,242 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 302 310) the Hoare annotation is: true [2020-07-19 21:16:51,242 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 302 310) no Hoare annotation was computed. [2020-07-19 21:16:51,242 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2020-07-19 21:16:51,242 INFO L268 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-07-19 21:16:51,242 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2020-07-19 21:16:51,242 INFO L271 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: true [2020-07-19 21:16:51,242 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2020-07-19 21:16:51,242 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-19 21:16:51,242 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2020-07-19 21:16:51,243 INFO L268 CegarLoopResult]: For program point L318(lines 318 326) no Hoare annotation was computed. [2020-07-19 21:16:51,243 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 326) no Hoare annotation was computed. [2020-07-19 21:16:51,243 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-19 21:16:51,243 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-19 21:16:51,243 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 311 346) no Hoare annotation was computed. [2020-07-19 21:16:51,243 INFO L268 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-07-19 21:16:51,243 INFO L268 CegarLoopResult]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 311 346) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 311 346) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 493 499) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 493 499) the Hoare annotation is: true [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 581 626) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 581 626) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 581 626) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 894 939) no Hoare annotation was computed. [2020-07-19 21:16:51,244 INFO L268 CegarLoopResult]: For program point L914(lines 914 921) no Hoare annotation was computed. [2020-07-19 21:16:51,245 INFO L268 CegarLoopResult]: For program point L908(lines 908 928) no Hoare annotation was computed. [2020-07-19 21:16:51,245 INFO L268 CegarLoopResult]: For program point L908-1(lines 908 928) no Hoare annotation was computed. [2020-07-19 21:16:51,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 894 939) no Hoare annotation was computed. [2020-07-19 21:16:51,245 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 894 939) no Hoare annotation was computed. [2020-07-19 21:16:51,245 INFO L264 CegarLoopResult]: At program point L1008(line 1008) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:16:51,245 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 1003 1013) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:16:51,245 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 1003 1013) no Hoare annotation was computed. [2020-07-19 21:16:51,245 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 1003 1013) no Hoare annotation was computed. [2020-07-19 21:16:51,246 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 291 301) the Hoare annotation is: true [2020-07-19 21:16:51,246 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 291 301) no Hoare annotation was computed. [2020-07-19 21:16:51,246 INFO L271 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: true [2020-07-19 21:16:51,246 INFO L268 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-07-19 21:16:51,246 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 291 301) no Hoare annotation was computed. [2020-07-19 21:16:51,246 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 283 290) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse1 .cse0 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 21:16:51,246 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 283 290) no Hoare annotation was computed. [2020-07-19 21:16:51,246 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 283 290) no Hoare annotation was computed. [2020-07-19 21:16:51,246 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-19 21:16:51,247 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-19 21:16:51,247 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-19 21:16:51,247 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-19 21:16:51,247 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 21:16:51,247 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-07-19 21:16:51,247 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-07-19 21:16:51,247 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-07-19 21:16:51,247 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 21:16:51,248 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or (not (= 2 ~waterLevel~0)) .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse2 .cse3))) [2020-07-19 21:16:51,248 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-07-19 21:16:51,248 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse0) (or (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse0) (or .cse1 (not (= 1 ~waterLevel~0)) .cse2 .cse3 .cse0))) [2020-07-19 21:16:51,248 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 (not (<= ~waterLevel~0 1)) (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse0))) [2020-07-19 21:16:51,248 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-07-19 21:16:51,248 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 190 196) no Hoare annotation was computed. [2020-07-19 21:16:51,249 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 190 196) the Hoare annotation is: true [2020-07-19 21:16:51,249 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:16:51,249 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse3 .cse4) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse3 .cse4))) [2020-07-19 21:16:51,249 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-07-19 21:16:51,249 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-07-19 21:16:51,249 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 477) no Hoare annotation was computed. [2020-07-19 21:16:51,250 INFO L264 CegarLoopResult]: At program point L467(lines 420 469) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse6 .cse4) (and .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse6 .cse4 .cse5))) [2020-07-19 21:16:51,250 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse5 .cse2 .cse3))) [2020-07-19 21:16:51,250 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-19 21:16:51,250 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-07-19 21:16:51,250 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-19 21:16:51,250 INFO L264 CegarLoopResult]: At program point L470(lines 419 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:16:51,251 INFO L264 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:16:51,251 INFO L268 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-07-19 21:16:51,251 INFO L264 CegarLoopResult]: At program point L458-1(lines 450 465) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4 .cse5 .cse6) (and .cse0 .cse4 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse5 .cse6))) [2020-07-19 21:16:51,251 INFO L268 CegarLoopResult]: For program point L421(lines 420 469) no Hoare annotation was computed. [2020-07-19 21:16:51,251 INFO L264 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse4) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse3))) [2020-07-19 21:16:51,251 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 477) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point L450(lines 450 465) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 848 893) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 848 893) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 848 893) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-19 21:16:51,252 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 483 492) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 483 492) no Hoare annotation was computed. [2020-07-19 21:16:51,253 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 483 492) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 745 847) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point L795(lines 794 814) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point L791(lines 791 832) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 745 847) no Hoare annotation was computed. [2020-07-19 21:16:51,254 INFO L268 CegarLoopResult]: For program point L769(lines 769 773) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point L833(lines 833 844) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 814) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 745 847) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point L815(lines 793 816) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point L774(lines 774 790) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point L834(lines 834 841) no Hoare annotation was computed. [2020-07-19 21:16:51,255 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:16:51,256 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:16:51,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:16:51,256 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-07-19 21:16:51,256 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-07-19 21:16:51,256 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 275 282) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:16:51,256 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point L354-1(line 354) no Hoare annotation was computed. [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 347 365) no Hoare annotation was computed. [2020-07-19 21:16:51,257 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 347 365) the Hoare annotation is: true [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 347 365) no Hoare annotation was computed. [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-07-19 21:16:51,257 INFO L271 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: true [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2020-07-19 21:16:51,257 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-19 21:16:51,258 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 1)) .cse2) (or .cse3 .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse5))) [2020-07-19 21:16:51,258 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-19 21:16:51,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:16:51,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:16:51,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:16:51,258 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-19 21:16:51,258 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-19 21:16:51,258 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-19 21:16:51,259 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse8 (+ ~waterLevel~0 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= .cse8 |old(~waterLevel~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse2) .cse0 .cse1 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse4 .cse5 (<= ~waterLevel~0 0) .cse2) .cse6 (and .cse4 .cse5 .cse7 (= 0 ~waterLevel~0)) .cse3) (or .cse6 (and .cse4 .cse5 (<= |old(~waterLevel~0)| .cse8) .cse7) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse3)))) [2020-07-19 21:16:51,259 INFO L264 CegarLoopResult]: At program point L177(lines 177 183) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse13 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse14 (and .cse3 .cse5)) (.cse11 (not (= 2 |old(~waterLevel~0)|))) (.cse15 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= 1 ~systemActive~0)))) (and (let ((.cse2 (<= ~waterLevel~0 0)) (.cse9 (= 0 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse5) .cse8 (and .cse6 .cse7 .cse9) (and .cse3 .cse4 .cse9) .cse10)) (let ((.cse12 (= 1 ~waterLevel~0))) (or .cse11 .cse8 (and .cse3 .cse4 .cse12) (and .cse6 .cse7 .cse12) .cse10)) (or .cse13 .cse11 .cse8 .cse3 .cse10) (or .cse14 (not (= 0 ~systemActive~0)) .cse15 .cse16) (or .cse0 .cse8 (not (<= |old(~waterLevel~0)| 0)) .cse5 .cse10) (or .cse0 .cse13 .cse8 .cse3 .cse16 .cse10) (or .cse1 .cse14 .cse15 .cse10) (or .cse14 (and .cse5 (<= 1 ~pumpRunning~0)) .cse11 .cse15 .cse10)))) [2020-07-19 21:16:51,259 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 163 189) the Hoare annotation is: (let ((.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= 1 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and (= 0 ~pumpRunning~0) .cse7 .cse8)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse5 (and .cse6 .cse7 .cse8) .cse9) (or (and .cse6 (= 2 ~waterLevel~0) .cse7) .cse1 .cse5 .cse9) (or .cse0 .cse3 (not (<= |old(~waterLevel~0)| 2)) .cse9) (or .cse4 .cse0 .cse2 .cse3)))) [2020-07-19 21:16:51,260 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (= 0 ~systemActive~0)) .cse4 .cse1) (or .cse4 .cse1 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse3))) [2020-07-19 21:16:51,260 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 163 189) no Hoare annotation was computed. [2020-07-19 21:16:51,260 INFO L268 CegarLoopResult]: For program point L170(lines 166 188) no Hoare annotation was computed. [2020-07-19 21:16:51,260 INFO L268 CegarLoopResult]: For program point L168(lines 166 188) no Hoare annotation was computed. [2020-07-19 21:16:51,260 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 163 189) no Hoare annotation was computed. [2020-07-19 21:16:51,260 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 942 971) no Hoare annotation was computed. [2020-07-19 21:16:51,260 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 942 971) the Hoare annotation is: true [2020-07-19 21:16:51,260 INFO L268 CegarLoopResult]: For program point L956(lines 956 960) no Hoare annotation was computed. [2020-07-19 21:16:51,261 INFO L271 CegarLoopResult]: At program point L956-1(lines 956 960) the Hoare annotation is: true [2020-07-19 21:16:51,261 INFO L268 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2020-07-19 21:16:51,261 INFO L271 CegarLoopResult]: At program point L952-2(lines 952 966) the Hoare annotation is: true [2020-07-19 21:16:51,261 INFO L271 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: true [2020-07-19 21:16:51,261 INFO L268 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2020-07-19 21:16:51,261 INFO L271 CegarLoopResult]: At program point L967(lines 942 971) the Hoare annotation is: true [2020-07-19 21:16:51,261 INFO L268 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-07-19 21:16:51,261 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:16:51,262 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-19 21:16:51,262 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-19 21:16:51,262 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 996 1002) no Hoare annotation was computed. [2020-07-19 21:16:51,262 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 996 1002) the Hoare annotation is: true [2020-07-19 21:16:51,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:16:51,262 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:16:51,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:16:51,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:16:51,262 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2020-07-19 21:16:51,263 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 21:16:51,263 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2020-07-19 21:16:51,263 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:16:51,263 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222) no Hoare annotation was computed. [2020-07-19 21:16:51,263 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 21:16:51,263 INFO L268 CegarLoopResult]: For program point L217-1(lines 198 222) no Hoare annotation was computed. [2020-07-19 21:16:51,264 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse0))) [2020-07-19 21:16:51,264 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or .cse2 .cse3 .cse4 (not (<= ~waterLevel~0 0)) .cse1) (or (not (<= ~waterLevel~0 2)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse2 .cse3 .cse4 .cse1))) [2020-07-19 21:16:51,264 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-19 21:16:51,264 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (not (<= ~waterLevel~0 0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4))) [2020-07-19 21:16:51,264 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-07-19 21:16:51,264 INFO L268 CegarLoopResult]: For program point L202(lines 202 219) no Hoare annotation was computed. [2020-07-19 21:16:51,264 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-19 21:16:51,264 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-19 21:16:51,265 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or (= 2 ~waterLevel~0) .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or (not (= 2 |old(~waterLevel~0)|)) .cse5 .cse1 .cse6) (or .cse0 .cse5 .cse1 .cse6) (or .cse4 .cse1 .cse6 .cse3))) [2020-07-19 21:16:51,265 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 517 524) no Hoare annotation was computed. [2020-07-19 21:16:51,265 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2020-07-19 21:16:51,265 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 517 524) the Hoare annotation is: true [2020-07-19 21:16:51,265 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 517 524) no Hoare annotation was computed. [2020-07-19 21:16:51,266 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248) no Hoare annotation was computed. [2020-07-19 21:16:51,266 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:16:51,266 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (not (<= ~waterLevel~0 0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 ~waterLevel~0)) .cse5 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse4))) [2020-07-19 21:16:51,266 INFO L268 CegarLoopResult]: For program point L243-1(lines 224 248) no Hoare annotation was computed. [2020-07-19 21:16:51,266 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-07-19 21:16:51,267 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2020-07-19 21:16:51,267 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-07-19 21:16:51,267 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 21:16:51,267 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-07-19 21:16:51,267 INFO L268 CegarLoopResult]: For program point L228(lines 228 245) no Hoare annotation was computed. [2020-07-19 21:16:51,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:16:51 BoogieIcfgContainer [2020-07-19 21:16:51,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:16:51,294 INFO L168 Benchmark]: Toolchain (without parser) took 513606.02 ms. Allocated memory was 139.5 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 103.2 MB in the beginning and 923.4 MB in the end (delta: -820.1 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-07-19 21:16:51,294 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 21:16:51,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.88 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.8 MB in the beginning and 172.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:16:51,295 INFO L168 Benchmark]: Boogie Preprocessor took 117.26 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:16:51,295 INFO L168 Benchmark]: RCFGBuilder took 1189.96 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 190.2 MB in the end (delta: -21.8 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:16:51,295 INFO L168 Benchmark]: TraceAbstraction took 511552.54 ms. Allocated memory was 234.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 188.8 MB in the beginning and 923.4 MB in the end (delta: -734.6 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-07-19 21:16:51,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.88 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.8 MB in the beginning and 172.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.26 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1189.96 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.4 MB in the beginning and 190.2 MB in the end (delta: -21.8 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 511552.54 ms. Allocated memory was 234.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 188.8 MB in the beginning and 923.4 MB in the end (delta: -734.6 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 420]: Loop Invariant Derived loop invariant: (((((((((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && waterLevel <= 1) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == systemActive) && 2 == waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 133.7s, OverallIterations: 14, TraceHistogramMax: 9, AutomataDifference: 116.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 377.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3120 SDtfs, 10337 SDslu, 7106 SDs, 0 SdLazy, 36802 SolverSat, 12205 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3488 GetRequests, 2889 SyntacticMatches, 18 SemanticMatches, 581 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20630 ImplicationChecksByTransitivity, 51.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5369occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 3643 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 15640 PreInvPairs, 21510 NumberOfFragments, 3116 HoareAnnotationTreeSize, 15640 FomulaSimplifications, 30381167835 FormulaSimplificationTreeSizeReduction, 230.7s HoareSimplificationTime, 74 FomulaSimplificationsInter, 392928486 FormulaSimplificationTreeSizeReductionInter, 145.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 4372 NumberOfCodeBlocks, 4372 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4352 ConstructedInterpolants, 0 QuantifiedInterpolants, 2583535 SizeOfPredicates, 24 NumberOfNonLiveVariables, 7903 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 3744/3998 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...