/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:28:14,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:28:14,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:28:14,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:28:14,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:28:14,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:28:14,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:28:14,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:28:14,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:28:14,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:28:14,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:28:14,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:28:14,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:28:14,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:28:14,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:28:14,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:28:14,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:28:14,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:28:14,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:28:14,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:28:14,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:28:14,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:28:14,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:28:14,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:28:14,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:28:14,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:28:14,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:28:14,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:28:14,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:28:14,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:28:14,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:28:14,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:28:14,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:28:14,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:28:14,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:28:14,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:28:14,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:28:14,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:28:14,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:28:14,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:28:14,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:28:14,413 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 [2020-07-17 11:28:14,442 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:28:14,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:28:14,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:28:14,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:28:14,449 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:28:14,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:28:14,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:28:14,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:28:14,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:28:14,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:28:14,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:28:14,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:28:14,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:28:14,451 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:28:14,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:28:14,452 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:28:14,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:28:14,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:28:14,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:28:14,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:28:14,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:28:14,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:28:14,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:28:14,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:28:14,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:28:14,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:28:14,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:28:14,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:28:14,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:28:14,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:28:14,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:28:14,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:28:14,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:28:14,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:28:14,752 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:28:14,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-07-17 11:28:14,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cdb9ebd/b2c02151e2e241b198f3539b751bd94e/FLAG32f3c47e3 [2020-07-17 11:28:15,281 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:28:15,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-07-17 11:28:15,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cdb9ebd/b2c02151e2e241b198f3539b751bd94e/FLAG32f3c47e3 [2020-07-17 11:28:15,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cdb9ebd/b2c02151e2e241b198f3539b751bd94e [2020-07-17 11:28:15,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:28:15,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:28:15,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:28:15,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:28:15,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:28:15,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:28:15" (1/1) ... [2020-07-17 11:28:15,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db49003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:15, skipping insertion in model container [2020-07-17 11:28:15,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:28:15" (1/1) ... [2020-07-17 11:28:15,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:28:15,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:28:16,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:28:16,074 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:28:16,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:28:16,348 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:28:16,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16 WrapperNode [2020-07-17 11:28:16,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:28:16,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:28:16,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:28:16,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:28:16,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (1/1) ... [2020-07-17 11:28:16,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (1/1) ... [2020-07-17 11:28:16,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (1/1) ... [2020-07-17 11:28:16,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (1/1) ... [2020-07-17 11:28:16,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (1/1) ... [2020-07-17 11:28:16,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (1/1) ... [2020-07-17 11:28:16,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (1/1) ... [2020-07-17 11:28:16,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:28:16,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:28:16,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:28:16,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:28:16,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (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 [2020-07-17 11:28:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:28:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:28:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:28:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:28:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:28:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:28:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:28:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:28:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:28:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:28:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:28:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:28:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:28:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:28:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:28:16,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:28:16,549 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:28:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:28:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:28:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:28:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:28:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:28:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:28:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:28:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:28:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:28:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:28:16,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:28:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:28:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:28:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:28:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:28:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:28:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:28:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:28:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:28:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:28:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:28:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:28:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:28:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:28:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-17 11:28:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:28:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:28:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:28:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:28:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:28:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:28:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:28:16,557 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:28:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:28:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:28:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:28:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:28:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:28:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:28:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:28:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-17 11:28:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:28:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:28:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:28:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:28:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:28:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:28:16,561 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:28:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:28:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:28:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:28:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:28:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:28:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:28:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:28:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:28:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:28:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:28:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:28:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:28:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:28:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:28:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:28:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:28:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:28:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:28:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:28:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:28:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:28:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:28:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:28:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:28:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:28:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:28:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:28:17,552 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:28:17,552 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:28:17,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:28:17 BoogieIcfgContainer [2020-07-17 11:28:17,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:28:17,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:28:17,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:28:17,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:28:17,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:28:15" (1/3) ... [2020-07-17 11:28:17,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ad1b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:28:17, skipping insertion in model container [2020-07-17 11:28:17,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:28:16" (2/3) ... [2020-07-17 11:28:17,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ad1b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:28:17, skipping insertion in model container [2020-07-17 11:28:17,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:28:17" (3/3) ... [2020-07-17 11:28:17,569 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2020-07-17 11:28:17,580 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:28:17,590 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:28:17,603 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:28:17,627 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:28:17,627 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:28:17,628 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:28:17,628 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:28:17,629 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:28:17,629 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:28:17,629 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:28:17,630 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:28:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-07-17 11:28:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:28:17,666 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:17,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:17,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:17,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:17,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1419538001, now seen corresponding path program 1 times [2020-07-17 11:28:17,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:17,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885101044] [2020-07-17 11:28:17,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,375 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:18,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885101044] [2020-07-17 11:28:18,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:18,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:28:18,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815575884] [2020-07-17 11:28:18,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:28:18,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:18,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:28:18,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:28:18,546 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 3 states. [2020-07-17 11:28:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:19,950 INFO L93 Difference]: Finished difference Result 354 states and 461 transitions. [2020-07-17 11:28:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:28:19,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:28:19,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:19,979 INFO L225 Difference]: With dead ends: 354 [2020-07-17 11:28:19,980 INFO L226 Difference]: Without dead ends: 191 [2020-07-17 11:28:19,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:28:20,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-17 11:28:20,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 154. [2020-07-17 11:28:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-17 11:28:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2020-07-17 11:28:20,160 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2020-07-17 11:28:20,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:20,161 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2020-07-17 11:28:20,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:28:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2020-07-17 11:28:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:28:20,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:20,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:20,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:28:20,175 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:20,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:20,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1353902391, now seen corresponding path program 1 times [2020-07-17 11:28:20,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:20,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493843352] [2020-07-17 11:28:20,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,479 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:20,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493843352] [2020-07-17 11:28:20,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:20,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:28:20,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267659901] [2020-07-17 11:28:20,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:28:20,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:20,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:28:20,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:28:20,524 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 4 states. [2020-07-17 11:28:20,970 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:21,992 INFO L93 Difference]: Finished difference Result 283 states and 348 transitions. [2020-07-17 11:28:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:28:21,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:28:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:21,997 INFO L225 Difference]: With dead ends: 283 [2020-07-17 11:28:21,997 INFO L226 Difference]: Without dead ends: 175 [2020-07-17 11:28:22,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:28:22,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-17 11:28:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 145. [2020-07-17 11:28:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-07-17 11:28:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2020-07-17 11:28:22,048 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2020-07-17 11:28:22,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:22,049 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2020-07-17 11:28:22,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:28:22,049 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2020-07-17 11:28:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:28:22,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:22,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:22,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:28:22,052 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:22,052 INFO L82 PathProgramCache]: Analyzing trace with hash -480372053, now seen corresponding path program 1 times [2020-07-17 11:28:22,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:22,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768301558] [2020-07-17 11:28:22,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,365 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:22,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768301558] [2020-07-17 11:28:22,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:22,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:28:22,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96832897] [2020-07-17 11:28:22,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:28:22,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:22,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:28:22,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:28:22,516 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 8 states. [2020-07-17 11:28:22,980 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:23,294 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:28:23,543 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:23,793 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:25,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:25,244 INFO L93 Difference]: Finished difference Result 296 states and 366 transitions. [2020-07-17 11:28:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:28:25,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-17 11:28:25,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:25,249 INFO L225 Difference]: With dead ends: 296 [2020-07-17 11:28:25,249 INFO L226 Difference]: Without dead ends: 175 [2020-07-17 11:28:25,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:28:25,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-17 11:28:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 145. [2020-07-17 11:28:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-07-17 11:28:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2020-07-17 11:28:25,302 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2020-07-17 11:28:25,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:25,303 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2020-07-17 11:28:25,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:28:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2020-07-17 11:28:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:28:25,305 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:25,305 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:25,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:28:25,306 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:25,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:25,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1922469070, now seen corresponding path program 1 times [2020-07-17 11:28:25,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:25,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480044825] [2020-07-17 11:28:25,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,637 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:25,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480044825] [2020-07-17 11:28:25,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:25,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:28:25,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423932837] [2020-07-17 11:28:25,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:28:25,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:25,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:28:25,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:28:25,720 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 6 states. [2020-07-17 11:28:26,158 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:27,361 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:28,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:28,251 INFO L93 Difference]: Finished difference Result 404 states and 500 transitions. [2020-07-17 11:28:28,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:28:28,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-17 11:28:28,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:28,255 INFO L225 Difference]: With dead ends: 404 [2020-07-17 11:28:28,256 INFO L226 Difference]: Without dead ends: 283 [2020-07-17 11:28:28,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:28:28,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-17 11:28:28,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 240. [2020-07-17 11:28:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-17 11:28:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2020-07-17 11:28:28,305 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2020-07-17 11:28:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:28,305 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2020-07-17 11:28:28,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:28:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2020-07-17 11:28:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-17 11:28:28,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:28,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:28,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:28:28,308 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:28,308 INFO L82 PathProgramCache]: Analyzing trace with hash 371744810, now seen corresponding path program 1 times [2020-07-17 11:28:28,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:28,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984280791] [2020-07-17 11:28:28,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,628 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:28,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984280791] [2020-07-17 11:28:28,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:28,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:28:28,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060598292] [2020-07-17 11:28:28,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:28:28,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:28,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:28:28,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:28:28,713 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 8 states. [2020-07-17 11:28:29,211 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:30,226 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:30,591 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:31,150 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:31,375 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:31,637 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:32,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:32,843 INFO L93 Difference]: Finished difference Result 718 states and 872 transitions. [2020-07-17 11:28:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:28:32,843 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-07-17 11:28:32,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:32,847 INFO L225 Difference]: With dead ends: 718 [2020-07-17 11:28:32,848 INFO L226 Difference]: Without dead ends: 502 [2020-07-17 11:28:32,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:28:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-07-17 11:28:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 435. [2020-07-17 11:28:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-07-17 11:28:32,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 494 transitions. [2020-07-17 11:28:32,936 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 494 transitions. Word has length 84 [2020-07-17 11:28:32,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:32,937 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 494 transitions. [2020-07-17 11:28:32,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:28:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 494 transitions. [2020-07-17 11:28:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-17 11:28:32,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:32,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:32,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:28:32,939 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:32,940 INFO L82 PathProgramCache]: Analyzing trace with hash 861472934, now seen corresponding path program 1 times [2020-07-17 11:28:32,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:32,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622112830] [2020-07-17 11:28:32,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,243 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:33,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:33,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622112830] [2020-07-17 11:28:33,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:33,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:28:33,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484659429] [2020-07-17 11:28:33,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:28:33,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:33,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:28:33,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:28:33,410 INFO L87 Difference]: Start difference. First operand 435 states and 494 transitions. Second operand 9 states. [2020-07-17 11:28:33,894 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:35,029 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:35,300 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:36,345 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:36,598 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:36,838 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:37,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:37,164 INFO L93 Difference]: Finished difference Result 544 states and 674 transitions. [2020-07-17 11:28:37,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:28:37,164 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-17 11:28:37,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:37,169 INFO L225 Difference]: With dead ends: 544 [2020-07-17 11:28:37,169 INFO L226 Difference]: Without dead ends: 541 [2020-07-17 11:28:37,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:28:37,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2020-07-17 11:28:37,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 435. [2020-07-17 11:28:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-07-17 11:28:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 493 transitions. [2020-07-17 11:28:37,257 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 493 transitions. Word has length 88 [2020-07-17 11:28:37,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:37,257 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 493 transitions. [2020-07-17 11:28:37,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:28:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 493 transitions. [2020-07-17 11:28:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-17 11:28:37,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:37,260 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:37,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:28:37,260 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:37,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:37,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1149093276, now seen corresponding path program 1 times [2020-07-17 11:28:37,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:37,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296640555] [2020-07-17 11:28:37,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,512 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:28:37,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296640555] [2020-07-17 11:28:37,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:37,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:28:37,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755229424] [2020-07-17 11:28:37,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:28:37,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:37,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:28:37,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:28:37,652 INFO L87 Difference]: Start difference. First operand 435 states and 493 transitions. Second operand 9 states. [2020-07-17 11:28:38,724 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:38,976 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:28:39,222 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:39,459 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:40,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:40,707 INFO L93 Difference]: Finished difference Result 960 states and 1180 transitions. [2020-07-17 11:28:40,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:28:40,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2020-07-17 11:28:40,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:40,714 INFO L225 Difference]: With dead ends: 960 [2020-07-17 11:28:40,714 INFO L226 Difference]: Without dead ends: 549 [2020-07-17 11:28:40,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:28:40,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-07-17 11:28:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 445. [2020-07-17 11:28:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-07-17 11:28:40,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 503 transitions. [2020-07-17 11:28:40,828 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 503 transitions. Word has length 104 [2020-07-17 11:28:40,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:40,829 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 503 transitions. [2020-07-17 11:28:40,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:28:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 503 transitions. [2020-07-17 11:28:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-17 11:28:40,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:40,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:40,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:28:40,835 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:40,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1502181658, now seen corresponding path program 1 times [2020-07-17 11:28:40,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:40,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882867221] [2020-07-17 11:28:40,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,102 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:28:41,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882867221] [2020-07-17 11:28:41,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:41,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:28:41,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597644716] [2020-07-17 11:28:41,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:28:41,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:41,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:28:41,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:28:41,255 INFO L87 Difference]: Start difference. First operand 445 states and 503 transitions. Second operand 11 states. [2020-07-17 11:28:41,858 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:42,081 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:42,306 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:42,933 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:43,166 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:43,392 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:44,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:44,693 INFO L93 Difference]: Finished difference Result 980 states and 1202 transitions. [2020-07-17 11:28:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:28:44,693 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2020-07-17 11:28:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:44,698 INFO L225 Difference]: With dead ends: 980 [2020-07-17 11:28:44,699 INFO L226 Difference]: Without dead ends: 559 [2020-07-17 11:28:44,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:28:44,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-07-17 11:28:44,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 453. [2020-07-17 11:28:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-07-17 11:28:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2020-07-17 11:28:44,789 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2020-07-17 11:28:44,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:44,790 INFO L479 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2020-07-17 11:28:44,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:28:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2020-07-17 11:28:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-17 11:28:44,796 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:44,796 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:44,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:28:44,797 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:44,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:44,797 INFO L82 PathProgramCache]: Analyzing trace with hash -368991065, now seen corresponding path program 1 times [2020-07-17 11:28:44,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:44,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783574566] [2020-07-17 11:28:44,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,086 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:28:45,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783574566] [2020-07-17 11:28:45,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:45,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:28:45,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219636406] [2020-07-17 11:28:45,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:28:45,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:45,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:28:45,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:28:45,237 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 7 states. [2020-07-17 11:28:45,631 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:46,147 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:48,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:48,685 INFO L93 Difference]: Finished difference Result 1342 states and 1702 transitions. [2020-07-17 11:28:48,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:28:48,685 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-07-17 11:28:48,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:48,691 INFO L225 Difference]: With dead ends: 1342 [2020-07-17 11:28:48,691 INFO L226 Difference]: Without dead ends: 913 [2020-07-17 11:28:48,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:28:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-07-17 11:28:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 793. [2020-07-17 11:28:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-17 11:28:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 929 transitions. [2020-07-17 11:28:48,832 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 929 transitions. Word has length 104 [2020-07-17 11:28:48,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:48,832 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 929 transitions. [2020-07-17 11:28:48,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:28:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 929 transitions. [2020-07-17 11:28:48,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-17 11:28:48,835 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:48,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:48,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:28:48,836 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:48,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:48,836 INFO L82 PathProgramCache]: Analyzing trace with hash 38573473, now seen corresponding path program 1 times [2020-07-17 11:28:48,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:48,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072527548] [2020-07-17 11:28:48,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,138 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:28:49,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072527548] [2020-07-17 11:28:49,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526181468] [2020-07-17 11:28:49,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:28:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:49,645 INFO L264 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 11:28:49,672 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:28:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:49,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:28:49,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-17 11:28:49,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276605826] [2020-07-17 11:28:49,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:28:49,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:49,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:28:49,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:28:49,971 INFO L87 Difference]: Start difference. First operand 793 states and 929 transitions. Second operand 8 states. [2020-07-17 11:28:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:51,200 INFO L93 Difference]: Finished difference Result 1526 states and 1799 transitions. [2020-07-17 11:28:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:28:51,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-07-17 11:28:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:51,206 INFO L225 Difference]: With dead ends: 1526 [2020-07-17 11:28:51,206 INFO L226 Difference]: Without dead ends: 757 [2020-07-17 11:28:51,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:28:51,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-07-17 11:28:51,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2020-07-17 11:28:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2020-07-17 11:28:51,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 872 transitions. [2020-07-17 11:28:51,450 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 872 transitions. Word has length 108 [2020-07-17 11:28:51,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:51,451 INFO L479 AbstractCegarLoop]: Abstraction has 757 states and 872 transitions. [2020-07-17 11:28:51,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:28:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 872 transitions. [2020-07-17 11:28:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-17 11:28:51,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:51,456 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1] [2020-07-17 11:28:51,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:28:51,671 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:51,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:51,672 INFO L82 PathProgramCache]: Analyzing trace with hash 118260142, now seen corresponding path program 1 times [2020-07-17 11:28:51,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:51,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969551527] [2020-07-17 11:28:51,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,036 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-17 11:28:52,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969551527] [2020-07-17 11:28:52,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101497993] [2020-07-17 11:28:52,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:28:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:52,611 INFO L264 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 11:28:52,629 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:28:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-17 11:28:52,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:28:52,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-17 11:28:52,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820871386] [2020-07-17 11:28:52,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:28:52,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:52,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:28:52,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:28:52,909 INFO L87 Difference]: Start difference. First operand 757 states and 872 transitions. Second operand 8 states. [2020-07-17 11:28:53,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:53,441 INFO L93 Difference]: Finished difference Result 1274 states and 1492 transitions. [2020-07-17 11:28:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:28:53,441 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-07-17 11:28:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:53,443 INFO L225 Difference]: With dead ends: 1274 [2020-07-17 11:28:53,443 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:28:53,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:28:53,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:28:53,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:28:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:28:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:28:53,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-07-17 11:28:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:53,448 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:28:53,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:28:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:28:53,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:28:53,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:28:53,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:28:54,313 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-17 11:28:54,592 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-17 11:28:54,747 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-17 11:28:54,890 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-17 11:28:56,258 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-17 11:28:56,984 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-17 11:28:57,542 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-07-17 11:28:59,244 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-17 11:28:59,863 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-07-17 11:29:00,765 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-17 11:29:00,925 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:29:01,443 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-17 11:29:02,319 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2020-07-17 11:29:02,504 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:29:02,682 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-17 11:29:02,909 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-07-17 11:29:03,089 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:29:03,277 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-17 11:29:03,494 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-17 11:29:03,684 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-17 11:29:04,201 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-17 11:29:04,692 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-17 11:29:05,319 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-07-17 11:29:05,794 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 15 [2020-07-17 11:29:05,948 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-17 11:29:06,592 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-07-17 11:29:06,787 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:29:07,282 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-17 11:29:07,895 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-17 11:29:08,386 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2020-07-17 11:29:08,542 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-17 11:29:09,036 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-07-17 11:29:09,523 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-17 11:29:10,068 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-17 11:29:10,587 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-17 11:29:11,321 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-17 11:29:11,864 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-17 11:29:12,043 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:29:13,014 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-17 11:29:13,732 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-17 11:29:14,236 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2020-07-17 11:29:14,439 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:29:14,611 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-17 11:29:14,795 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:29:15,009 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 9 [2020-07-17 11:29:15,613 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2020-07-17 11:29:15,819 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-17 11:29:16,335 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-17 11:29:16,507 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-17 11:29:16,677 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-17 11:29:16,852 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:29:17,018 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:29:17,681 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-07-17 11:29:17,892 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-17 11:29:18,067 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:29:18,253 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:29:18,464 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-17 11:29:19,002 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-17 11:29:19,466 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-17 11:29:19,642 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-17 11:29:20,279 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-17 11:29:20,482 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-17 11:29:20,487 INFO L268 CegarLoopResult]: For program point L507(lines 484 508) no Hoare annotation was computed. [2020-07-17 11:29:20,487 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 460 515) no Hoare annotation was computed. [2020-07-17 11:29:20,488 INFO L268 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-07-17 11:29:20,488 INFO L268 CegarLoopResult]: For program point L491-1(lines 491 495) no Hoare annotation was computed. [2020-07-17 11:29:20,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 460 515) no Hoare annotation was computed. [2020-07-17 11:29:20,488 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-17 11:29:20,488 INFO L268 CegarLoopResult]: For program point L485-2(lines 485 506) no Hoare annotation was computed. [2020-07-17 11:29:20,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 460 515) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point L542-2(lines 542 567) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point L568(lines 541 569) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 516 575) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 516 575) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 516 575) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-07-17 11:29:20,489 INFO L268 CegarLoopResult]: For program point L548-1(lines 548 552) no Hoare annotation was computed. [2020-07-17 11:29:20,490 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2020-07-17 11:29:20,490 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2020-07-17 11:29:20,490 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2020-07-17 11:29:20,490 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2020-07-17 11:29:20,490 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2020-07-17 11:29:20,491 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:29:20,491 INFO L264 CegarLoopResult]: At program point L858(line 858) 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 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-17 11:29:20,491 INFO L264 CegarLoopResult]: At program point L858-1(line 858) 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 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~10) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~10 ~systemActive~0))) [2020-07-17 11:29:20,491 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2020-07-17 11:29:20,491 INFO L268 CegarLoopResult]: For program point L856(lines 856 863) no Hoare annotation was computed. [2020-07-17 11:29:20,491 INFO L268 CegarLoopResult]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2020-07-17 11:29:20,492 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-17 11:29:20,492 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:29:20,492 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:29:20,492 INFO L264 CegarLoopResult]: At program point L852-1(line 852) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:29:20,492 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 805 828) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 805 828) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 805 828) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-17 11:29:20,493 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-17 11:29:20,494 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-17 11:29:20,495 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-17 11:29:20,495 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-17 11:29:20,495 INFO L268 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-07-17 11:29:20,495 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-17 11:29:20,495 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-07-17 11:29:20,495 INFO L268 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-07-17 11:29:20,495 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:29:20,496 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2020-07-17 11:29:20,496 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-17 11:29:20,496 INFO L268 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-07-17 11:29:20,496 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2020-07-17 11:29:20,496 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2020-07-17 11:29:20,496 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2020-07-17 11:29:20,496 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2020-07-17 11:29:20,497 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-17 11:29:20,497 INFO L271 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: true [2020-07-17 11:29:20,497 INFO L268 CegarLoopResult]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2020-07-17 11:29:20,497 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-07-17 11:29:20,497 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2020-07-17 11:29:20,497 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2020-07-17 11:29:20,497 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-07-17 11:29:20,497 INFO L268 CegarLoopResult]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2020-07-17 11:29:20,498 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2020-07-17 11:29:20,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 727 772) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point L747(lines 747 754) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 727 772) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 727 772) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point L741(lines 741 761) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L268 CegarLoopResult]: For program point L741-1(lines 741 761) no Hoare annotation was computed. [2020-07-17 11:29:20,499 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:29:20,500 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2020-07-17 11:29:20,500 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2020-07-17 11:29:20,500 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2020-07-17 11:29:20,500 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2020-07-17 11:29:20,500 INFO L271 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: true [2020-07-17 11:29:20,500 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-17 11:29:20,500 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2020-07-17 11:29:20,500 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-17 11:29:20,501 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2020-07-17 11:29:20,501 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2020-07-17 11:29:20,501 INFO L268 CegarLoopResult]: For program point L954(lines 954 960) no Hoare annotation was computed. [2020-07-17 11:29:20,501 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2020-07-17 11:29:20,501 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2020-07-17 11:29:20,501 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2020-07-17 11:29:20,501 INFO L264 CegarLoopResult]: At program point L158(line 158) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-17 11:29:20,501 INFO L268 CegarLoopResult]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2020-07-17 11:29:20,502 INFO L264 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-17 11:29:20,502 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2020-07-17 11:29:20,502 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse2) (or .cse4 .cse1 .cse2))) [2020-07-17 11:29:20,502 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-17 11:29:20,502 INFO L268 CegarLoopResult]: For program point L147(lines 147 155) no Hoare annotation was computed. [2020-07-17 11:29:20,502 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-17 11:29:20,503 INFO L268 CegarLoopResult]: For program point L145-1(line 145) no Hoare annotation was computed. [2020-07-17 11:29:20,503 INFO L268 CegarLoopResult]: For program point L143(lines 143 160) no Hoare annotation was computed. [2020-07-17 11:29:20,503 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-07-17 11:29:20,503 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-07-17 11:29:20,503 INFO L264 CegarLoopResult]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:29:20,503 INFO L268 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-07-17 11:29:20,503 INFO L264 CegarLoopResult]: At program point L351-2(lines 343 356) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:29:20,503 INFO L268 CegarLoopResult]: For program point L314(lines 313 360) no Hoare annotation was computed. [2020-07-17 11:29:20,504 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:29:20,504 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-17 11:29:20,504 INFO L268 CegarLoopResult]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2020-07-17 11:29:20,504 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-17 11:29:20,504 INFO L268 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-07-17 11:29:20,504 INFO L268 CegarLoopResult]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2020-07-17 11:29:20,504 INFO L264 CegarLoopResult]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-17 11:29:20,505 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-17 11:29:20,505 INFO L268 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-07-17 11:29:20,505 INFO L268 CegarLoopResult]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2020-07-17 11:29:20,505 INFO L268 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-07-17 11:29:20,505 INFO L264 CegarLoopResult]: At program point L361(lines 312 362) 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)|))) [2020-07-17 11:29:20,505 INFO L268 CegarLoopResult]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2020-07-17 11:29:20,505 INFO L268 CegarLoopResult]: For program point L701(lines 701 708) no Hoare annotation was computed. [2020-07-17 11:29:20,505 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 681 726) no Hoare annotation was computed. [2020-07-17 11:29:20,505 INFO L268 CegarLoopResult]: For program point L695(lines 695 715) no Hoare annotation was computed. [2020-07-17 11:29:20,506 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 715) no Hoare annotation was computed. [2020-07-17 11:29:20,506 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 681 726) no Hoare annotation was computed. [2020-07-17 11:29:20,506 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 681 726) no Hoare annotation was computed. [2020-07-17 11:29:20,506 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:29:20,506 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2020-07-17 11:29:20,506 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2020-07-17 11:29:20,506 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2020-07-17 11:29:20,506 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2020-07-17 11:29:20,506 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point L926(lines 926 934) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point L926-2(lines 926 934) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 918 940) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 918 940) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 918 940) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 374 383) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 374 383) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 374 383) no Hoare annotation was computed. [2020-07-17 11:29:20,507 INFO L268 CegarLoopResult]: For program point L607(lines 607 623) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 578 680) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L667(lines 667 674) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L628(lines 627 647) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L659(line 659) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L659-1(line 659) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L624(lines 624 665) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 578 680) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L643-1(line 643) no Hoare annotation was computed. [2020-07-17 11:29:20,508 INFO L268 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-07-17 11:29:20,509 INFO L268 CegarLoopResult]: For program point L666(lines 666 677) no Hoare annotation was computed. [2020-07-17 11:29:20,509 INFO L268 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-07-17 11:29:20,509 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 578 680) no Hoare annotation was computed. [2020-07-17 11:29:20,509 INFO L268 CegarLoopResult]: For program point L627-2(lines 627 647) no Hoare annotation was computed. [2020-07-17 11:29:20,509 INFO L268 CegarLoopResult]: For program point L648(lines 626 649) no Hoare annotation was computed. [2020-07-17 11:29:20,509 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:29:20,510 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:29:20,510 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:29:20,510 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-17 11:29:20,510 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-17 11:29:20,510 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2020-07-17 11:29:20,510 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-17 11:29:20,510 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-17 11:29:20,511 INFO L268 CegarLoopResult]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2020-07-17 11:29:20,511 INFO L268 CegarLoopResult]: For program point L179(lines 179 185) no Hoare annotation was computed. [2020-07-17 11:29:20,511 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2020-07-17 11:29:20,511 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-07-17 11:29:20,511 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2020-07-17 11:29:20,511 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2020-07-17 11:29:20,511 INFO L271 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: true [2020-07-17 11:29:20,511 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2020-07-17 11:29:20,511 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 941 949) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 941 949) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 941 949) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:29:20,512 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:29:20,513 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2020-07-17 11:29:20,513 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-17 11:29:20,513 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-17 11:29:20,513 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse4 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-17 11:29:20,513 INFO L268 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-07-17 11:29:20,513 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-17 11:29:20,513 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-07-17 11:29:20,514 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-07-17 11:29:20,514 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)))) (.cse1 (and .cse3 (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))) [2020-07-17 11:29:20,514 INFO L264 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 0 ~pumpRunning~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (and .cse0 .cse7 .cse6)) (.cse4 (and .cse1 .cse7)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or (<= 2 ~waterLevel~0) (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse5) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse4 .cse5)))) [2020-07-17 11:29:20,514 INFO L271 CegarLoopResult]: At program point L800(lines 775 804) the Hoare annotation is: true [2020-07-17 11:29:20,514 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2020-07-17 11:29:20,514 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2020-07-17 11:29:20,514 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-17 11:29:20,514 INFO L268 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-07-17 11:29:20,515 INFO L271 CegarLoopResult]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2020-07-17 11:29:20,515 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-17 11:29:20,515 INFO L271 CegarLoopResult]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2020-07-17 11:29:20,515 INFO L271 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: true [2020-07-17 11:29:20,515 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-17 11:29:20,515 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 873 884) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-17 11:29:20,515 INFO L268 CegarLoopResult]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2020-07-17 11:29:20,516 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2020-07-17 11:29:20,516 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-17 11:29:20,516 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2020-07-17 11:29:20,516 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:29:20,516 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)) [2020-07-17 11:29:20,516 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:29:20,516 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:29:20,516 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2020-07-17 11:29:20,516 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-17 11:29:20,517 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2020-07-17 11:29:20,517 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-17 11:29:20,517 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:29:20,517 INFO L268 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-07-17 11:29:20,517 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-17 11:29:20,517 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-07-17 11:29:20,517 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2020-07-17 11:29:20,517 INFO L268 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-07-17 11:29:20,518 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-17 11:29:20,518 INFO L268 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-07-17 11:29:20,518 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not .cse1) .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse3 .cse2))) [2020-07-17 11:29:20,518 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2020-07-17 11:29:20,518 INFO L268 CegarLoopResult]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2020-07-17 11:29:20,518 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-17 11:29:20,518 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2020-07-17 11:29:20,519 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2020-07-17 11:29:20,519 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2020-07-17 11:29:20,519 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2020-07-17 11:29:20,519 INFO L264 CegarLoopResult]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-17 11:29:20,519 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2020-07-17 11:29:20,519 INFO L268 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-07-17 11:29:20,519 INFO L264 CegarLoopResult]: At program point L985(line 985) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:29:20,519 INFO L268 CegarLoopResult]: For program point L985-1(line 985) no Hoare annotation was computed. [2020-07-17 11:29:20,519 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2020-07-17 11:29:20,520 INFO L268 CegarLoopResult]: For program point L983(lines 983 996) no Hoare annotation was computed. [2020-07-17 11:29:20,520 INFO L268 CegarLoopResult]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2020-07-17 11:29:20,520 INFO L271 CegarLoopResult]: At program point L981(line 981) the Hoare annotation is: true [2020-07-17 11:29:20,520 INFO L268 CegarLoopResult]: For program point L981-1(line 981) no Hoare annotation was computed. [2020-07-17 11:29:20,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:29:20 BoogieIcfgContainer [2020-07-17 11:29:20,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:29:20,539 INFO L168 Benchmark]: Toolchain (without parser) took 64955.70 ms. Allocated memory was 146.3 MB in the beginning and 843.6 MB in the end (delta: 697.3 MB). Free memory was 101.8 MB in the beginning and 112.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 696.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:29:20,539 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 11:29:20,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.11 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.3 MB in the beginning and 173.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:29:20,541 INFO L168 Benchmark]: Boogie Preprocessor took 100.17 ms. Allocated memory is still 205.0 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:29:20,542 INFO L168 Benchmark]: RCFGBuilder took 1109.68 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.5 MB in the beginning and 192.5 MB in the end (delta: -22.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-07-17 11:29:20,542 INFO L168 Benchmark]: TraceAbstraction took 62975.43 ms. Allocated memory was 235.9 MB in the beginning and 843.6 MB in the end (delta: 607.6 MB). Free memory was 192.5 MB in the beginning and 112.4 MB in the end (delta: 80.1 MB). Peak memory consumption was 697.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:29:20,545 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.11 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 101.3 MB in the beginning and 173.7 MB in the end (delta: -72.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.17 ms. Allocated memory is still 205.0 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1109.68 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.5 MB in the beginning and 192.5 MB in the end (delta: -22.9 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 62975.43 ms. Allocated memory was 235.9 MB in the beginning and 843.6 MB in the end (delta: 607.6 MB). Free memory was 192.5 MB in the beginning and 112.4 MB in the end (delta: 80.1 MB). Peak memory consumption was 697.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 27.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1855 SDtfs, 2183 SDslu, 3154 SDs, 0 SdLazy, 6428 SolverSat, 1315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 761 GetRequests, 620 SyntacticMatches, 6 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=793occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 643 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1769 PreInvPairs, 1866 NumberOfFragments, 1828 HoareAnnotationTreeSize, 1769 FomulaSimplifications, 33326095 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 70 FomulaSimplificationsInter, 1381111 FormulaSimplificationTreeSizeReductionInter, 20.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1271 NumberOfCodeBlocks, 1271 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1258 ConstructedInterpolants, 0 QuantifiedInterpolants, 415960 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1749 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 116/121 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...