/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -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 0.1.25-79ed534 [2020-07-20 00:54:46,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:54:46,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:54:46,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:54:46,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:54:46,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:54:46,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:54:46,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:54:46,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:54:46,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:54:46,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:54:46,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:54:46,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:54:46,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:54:46,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:54:46,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:54:46,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:54:46,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:54:46,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:54:46,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:54:46,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:54:46,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:54:46,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:54:46,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:54:46,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:54:46,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:54:46,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:54:46,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:54:46,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:54:46,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:54:46,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:54:46,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:54:46,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:54:46,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:54:46,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:54:46,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:54:46,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:54:46,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:54:46,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:54:46,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:54:46,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:54:46,529 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 [2020-07-20 00:54:46,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:54:46,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:54:46,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:54:46,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:54:46,546 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:54:46,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:54:46,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:54:46,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:54:46,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:54:46,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:54:46,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:54:46,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:54:46,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:54:46,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:54:46,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:54:46,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:54:46,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:54:46,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:54:46,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:54:46,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:54:46,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:54:46,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:54:46,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:54:46,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:54:46,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:54:46,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:54:46,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:54:46,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:54:46,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:54:46,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:54:46,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:54:46,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:54:46,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:54:46,838 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:54:46,838 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:54:46,839 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-07-20 00:54:46,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032bcb117/47c36c4137514a06b576b43e6413181b/FLAGaf6cc42df [2020-07-20 00:54:47,492 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:54:47,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2020-07-20 00:54:47,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032bcb117/47c36c4137514a06b576b43e6413181b/FLAGaf6cc42df [2020-07-20 00:54:47,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032bcb117/47c36c4137514a06b576b43e6413181b [2020-07-20 00:54:47,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:54:47,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:54:47,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:54:47,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:54:47,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:54:47,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:54:47" (1/1) ... [2020-07-20 00:54:47,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6a3b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:47, skipping insertion in model container [2020-07-20 00:54:47,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:54:47" (1/1) ... [2020-07-20 00:54:47,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 00:54:47,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 00:54:48,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:54:48,307 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 00:54:48,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 00:54:48,475 INFO L208 MainTranslator]: Completed translation [2020-07-20 00:54:48,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48 WrapperNode [2020-07-20 00:54:48,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 00:54:48,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 00:54:48,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 00:54:48,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 00:54:48,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (1/1) ... [2020-07-20 00:54:48,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (1/1) ... [2020-07-20 00:54:48,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (1/1) ... [2020-07-20 00:54:48,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (1/1) ... [2020-07-20 00:54:48,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (1/1) ... [2020-07-20 00:54:48,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (1/1) ... [2020-07-20 00:54:48,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (1/1) ... [2020-07-20 00:54:48,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 00:54:48,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 00:54:48,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 00:54:48,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 00:54:48,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (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 [2020-07-20 00:54:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 00:54:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 00:54:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 00:54:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 00:54:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 00:54:48,710 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:54:48,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 00:54:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 00:54:48,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 00:54:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 00:54:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 00:54:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 00:54:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 00:54:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 00:54:48,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 00:54:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 00:54:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 00:54:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 00:54:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 00:54:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 00:54:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 00:54:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 00:54:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 00:54:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 00:54:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 00:54:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 00:54:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 00:54:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 00:54:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 00:54:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 00:54:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 00:54:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 00:54:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 00:54:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 00:54:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 00:54:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 00:54:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 00:54:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 00:54:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 00:54:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 00:54:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 00:54:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 00:54:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 00:54:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 00:54:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 00:54:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 00:54:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 00:54:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 00:54:48,722 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 00:54:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 00:54:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 00:54:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 00:54:48,724 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 00:54:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 00:54:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 00:54:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 00:54:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 00:54:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 00:54:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 00:54:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 00:54:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 00:54:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 00:54:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 00:54:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 00:54:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 00:54:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 00:54:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 00:54:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 00:54:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 00:54:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 00:54:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 00:54:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 00:54:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 00:54:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 00:54:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 00:54:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 00:54:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 00:54:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 00:54:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 00:54:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 00:54:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 00:54:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 00:54:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 00:54:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 00:54:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 00:54:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 00:54:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 00:54:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 00:54:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 00:54:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 00:54:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 00:54:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 00:54:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 00:54:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 00:54:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 00:54:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 00:54:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 00:54:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 00:54:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 00:54:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 00:54:49,898 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 00:54:49,898 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 00:54:49,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:54:49 BoogieIcfgContainer [2020-07-20 00:54:49,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 00:54:49,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 00:54:49,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 00:54:49,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 00:54:49,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:54:47" (1/3) ... [2020-07-20 00:54:49,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adc040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:54:49, skipping insertion in model container [2020-07-20 00:54:49,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:54:48" (2/3) ... [2020-07-20 00:54:49,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adc040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:54:49, skipping insertion in model container [2020-07-20 00:54:49,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:54:49" (3/3) ... [2020-07-20 00:54:49,918 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2020-07-20 00:54:49,930 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 00:54:49,939 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 00:54:49,953 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 00:54:49,982 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 00:54:49,982 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 00:54:49,982 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 00:54:49,982 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 00:54:49,983 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 00:54:49,983 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 00:54:49,983 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 00:54:49,984 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 00:54:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-07-20 00:54:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 00:54:50,017 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:50,018 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] [2020-07-20 00:54:50,018 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:50,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:50,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1419538001, now seen corresponding path program 1 times [2020-07-20 00:54:50,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:50,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614018847] [2020-07-20 00:54:50,035 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:54:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,658 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:50,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614018847] [2020-07-20 00:54:50,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:50,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 00:54:50,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951800647] [2020-07-20 00:54:50,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 00:54:50,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:50,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 00:54:50,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:54:50,765 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 3 states. [2020-07-20 00:54:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:52,090 INFO L93 Difference]: Finished difference Result 354 states and 461 transitions. [2020-07-20 00:54:52,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 00:54:52,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 00:54:52,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:52,110 INFO L225 Difference]: With dead ends: 354 [2020-07-20 00:54:52,111 INFO L226 Difference]: Without dead ends: 191 [2020-07-20 00:54:52,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 00:54:52,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-20 00:54:52,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 154. [2020-07-20 00:54:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-20 00:54:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2020-07-20 00:54:52,291 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2020-07-20 00:54:52,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:52,293 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2020-07-20 00:54:52,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 00:54:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2020-07-20 00:54:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 00:54:52,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:52,303 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] [2020-07-20 00:54:52,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 00:54:52,304 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:52,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:52,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1353902391, now seen corresponding path program 1 times [2020-07-20 00:54:52,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:52,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663156334] [2020-07-20 00:54:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:54:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,669 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:52,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663156334] [2020-07-20 00:54:52,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:52,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 00:54:52,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592243632] [2020-07-20 00:54:52,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 00:54:52,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:52,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 00:54:52,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 00:54:52,714 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 4 states. [2020-07-20 00:54:53,109 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:54:54,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:54,222 INFO L93 Difference]: Finished difference Result 283 states and 348 transitions. [2020-07-20 00:54:54,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 00:54:54,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 00:54:54,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:54,226 INFO L225 Difference]: With dead ends: 283 [2020-07-20 00:54:54,226 INFO L226 Difference]: Without dead ends: 175 [2020-07-20 00:54:54,228 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 [2020-07-20 00:54:54,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-20 00:54:54,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 145. [2020-07-20 00:54:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-07-20 00:54:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2020-07-20 00:54:54,271 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2020-07-20 00:54:54,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:54,272 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2020-07-20 00:54:54,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 00:54:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2020-07-20 00:54:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 00:54:54,274 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:54,274 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] [2020-07-20 00:54:54,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 00:54:54,275 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:54,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:54,275 INFO L82 PathProgramCache]: Analyzing trace with hash -480372053, now seen corresponding path program 1 times [2020-07-20 00:54:54,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:54,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439485157] [2020-07-20 00:54:54,276 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:54:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,553 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:54,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439485157] [2020-07-20 00:54:54,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:54,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:54:54,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281556872] [2020-07-20 00:54:54,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:54:54,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:54,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:54:54,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:54:54,656 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 8 states. [2020-07-20 00:54:55,009 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:54:55,340 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 00:54:55,594 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:54:55,814 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:54:57,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:54:57,224 INFO L93 Difference]: Finished difference Result 296 states and 366 transitions. [2020-07-20 00:54:57,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:54:57,225 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-20 00:54:57,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:54:57,228 INFO L225 Difference]: With dead ends: 296 [2020-07-20 00:54:57,228 INFO L226 Difference]: Without dead ends: 175 [2020-07-20 00:54:57,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 00:54:57,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2020-07-20 00:54:57,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 145. [2020-07-20 00:54:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-07-20 00:54:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2020-07-20 00:54:57,314 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2020-07-20 00:54:57,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:54:57,317 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2020-07-20 00:54:57,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:54:57,318 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2020-07-20 00:54:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 00:54:57,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:54:57,323 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] [2020-07-20 00:54:57,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 00:54:57,329 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:54:57,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:54:57,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1922469070, now seen corresponding path program 1 times [2020-07-20 00:54:57,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:54:57,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108281439] [2020-07-20 00:54:57,330 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:54:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,658 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:54:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:54:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:54:57,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108281439] [2020-07-20 00:54:57,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:54:57,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 00:54:57,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28924802] [2020-07-20 00:54:57,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 00:54:57,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:54:57,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 00:54:57,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 00:54:57,780 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 6 states. [2020-07-20 00:54:58,117 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:54:59,302 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:00,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:00,206 INFO L93 Difference]: Finished difference Result 404 states and 500 transitions. [2020-07-20 00:55:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 00:55:00,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 00:55:00,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:00,210 INFO L225 Difference]: With dead ends: 404 [2020-07-20 00:55:00,210 INFO L226 Difference]: Without dead ends: 283 [2020-07-20 00:55:00,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-20 00:55:00,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-07-20 00:55:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 240. [2020-07-20 00:55:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-20 00:55:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2020-07-20 00:55:00,263 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2020-07-20 00:55:00,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:00,264 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2020-07-20 00:55:00,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 00:55:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2020-07-20 00:55:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 00:55:00,265 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:00,265 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] [2020-07-20 00:55:00,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 00:55:00,266 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:00,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:00,266 INFO L82 PathProgramCache]: Analyzing trace with hash 371744810, now seen corresponding path program 1 times [2020-07-20 00:55:00,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:00,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732629546] [2020-07-20 00:55:00,267 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:55:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,571 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:55:00,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732629546] [2020-07-20 00:55:00,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:00,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 00:55:00,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24870070] [2020-07-20 00:55:00,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:55:00,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:00,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:55:00,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 00:55:00,689 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 8 states. [2020-07-20 00:55:01,029 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:02,032 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:02,379 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:02,980 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:03,225 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:03,484 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:04,710 INFO L93 Difference]: Finished difference Result 718 states and 872 transitions. [2020-07-20 00:55:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 00:55:04,710 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-07-20 00:55:04,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:04,717 INFO L225 Difference]: With dead ends: 718 [2020-07-20 00:55:04,718 INFO L226 Difference]: Without dead ends: 502 [2020-07-20 00:55:04,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 00:55:04,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-07-20 00:55:04,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 435. [2020-07-20 00:55:04,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-07-20 00:55:04,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 494 transitions. [2020-07-20 00:55:04,818 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 494 transitions. Word has length 84 [2020-07-20 00:55:04,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:04,819 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 494 transitions. [2020-07-20 00:55:04,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:55:04,819 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 494 transitions. [2020-07-20 00:55:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 00:55:04,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:04,821 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] [2020-07-20 00:55:04,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 00:55:04,822 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:04,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:04,822 INFO L82 PathProgramCache]: Analyzing trace with hash 861472934, now seen corresponding path program 1 times [2020-07-20 00:55:04,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:04,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618470295] [2020-07-20 00:55:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:55:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,090 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:55:05,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618470295] [2020-07-20 00:55:05,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:05,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:55:05,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842641371] [2020-07-20 00:55:05,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:55:05,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:05,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:55:05,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:55:05,226 INFO L87 Difference]: Start difference. First operand 435 states and 494 transitions. Second operand 9 states. [2020-07-20 00:55:05,554 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:06,755 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:07,037 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:08,090 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:08,336 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:08,559 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:08,891 INFO L93 Difference]: Finished difference Result 544 states and 674 transitions. [2020-07-20 00:55:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 00:55:08,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-07-20 00:55:08,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:08,895 INFO L225 Difference]: With dead ends: 544 [2020-07-20 00:55:08,896 INFO L226 Difference]: Without dead ends: 541 [2020-07-20 00:55:08,896 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 [2020-07-20 00:55:08,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2020-07-20 00:55:08,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 435. [2020-07-20 00:55:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-07-20 00:55:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 493 transitions. [2020-07-20 00:55:08,982 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 493 transitions. Word has length 88 [2020-07-20 00:55:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:08,982 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 493 transitions. [2020-07-20 00:55:08,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:55:08,983 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 493 transitions. [2020-07-20 00:55:08,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-20 00:55:08,984 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:08,985 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] [2020-07-20 00:55:08,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-20 00:55:08,985 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:08,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:08,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1149093276, now seen corresponding path program 1 times [2020-07-20 00:55:08,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:08,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177451067] [2020-07-20 00:55:08,986 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:55:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,228 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:55:09,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177451067] [2020-07-20 00:55:09,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:09,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 00:55:09,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798909736] [2020-07-20 00:55:09,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 00:55:09,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:09,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 00:55:09,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-20 00:55:09,421 INFO L87 Difference]: Start difference. First operand 435 states and 493 transitions. Second operand 9 states. [2020-07-20 00:55:10,471 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:10,727 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 00:55:10,969 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:11,188 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:12,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:12,406 INFO L93 Difference]: Finished difference Result 960 states and 1180 transitions. [2020-07-20 00:55:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 00:55:12,412 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2020-07-20 00:55:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:12,415 INFO L225 Difference]: With dead ends: 960 [2020-07-20 00:55:12,415 INFO L226 Difference]: Without dead ends: 549 [2020-07-20 00:55:12,417 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 [2020-07-20 00:55:12,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-07-20 00:55:12,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 445. [2020-07-20 00:55:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-07-20 00:55:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 503 transitions. [2020-07-20 00:55:12,501 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 503 transitions. Word has length 104 [2020-07-20 00:55:12,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:12,501 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 503 transitions. [2020-07-20 00:55:12,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 00:55:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 503 transitions. [2020-07-20 00:55:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-20 00:55:12,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:12,503 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] [2020-07-20 00:55:12,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-20 00:55:12,504 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:12,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:12,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1502181658, now seen corresponding path program 1 times [2020-07-20 00:55:12,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:12,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138462901] [2020-07-20 00:55:12,505 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:55:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,773 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:55:12,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138462901] [2020-07-20 00:55:12,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:12,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 00:55:12,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135120317] [2020-07-20 00:55:12,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 00:55:12,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:12,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 00:55:12,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 00:55:12,963 INFO L87 Difference]: Start difference. First operand 445 states and 503 transitions. Second operand 11 states. [2020-07-20 00:55:13,492 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 00:55:13,821 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:14,169 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:14,829 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:15,078 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:15,321 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 00:55:16,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:16,749 INFO L93 Difference]: Finished difference Result 980 states and 1202 transitions. [2020-07-20 00:55:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 00:55:16,750 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2020-07-20 00:55:16,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:16,754 INFO L225 Difference]: With dead ends: 980 [2020-07-20 00:55:16,755 INFO L226 Difference]: Without dead ends: 559 [2020-07-20 00:55:16,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-20 00:55:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-07-20 00:55:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 453. [2020-07-20 00:55:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2020-07-20 00:55:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2020-07-20 00:55:16,859 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2020-07-20 00:55:16,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:16,859 INFO L479 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2020-07-20 00:55:16,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 00:55:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2020-07-20 00:55:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-20 00:55:16,865 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:16,865 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] [2020-07-20 00:55:16,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-20 00:55:16,865 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:16,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:16,866 INFO L82 PathProgramCache]: Analyzing trace with hash -368991065, now seen corresponding path program 1 times [2020-07-20 00:55:16,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:16,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069253464] [2020-07-20 00:55:16,866 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:55:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,231 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 00:55:17,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069253464] [2020-07-20 00:55:17,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 00:55:17,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 00:55:17,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192001602] [2020-07-20 00:55:17,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 00:55:17,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:17,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 00:55:17,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 00:55:17,385 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 7 states. [2020-07-20 00:55:17,737 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:18,328 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 00:55:20,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:20,915 INFO L93 Difference]: Finished difference Result 1342 states and 1702 transitions. [2020-07-20 00:55:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 00:55:20,915 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-07-20 00:55:20,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:20,921 INFO L225 Difference]: With dead ends: 1342 [2020-07-20 00:55:20,922 INFO L226 Difference]: Without dead ends: 913 [2020-07-20 00:55:20,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-20 00:55:20,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2020-07-20 00:55:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 793. [2020-07-20 00:55:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2020-07-20 00:55:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 929 transitions. [2020-07-20 00:55:21,047 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 929 transitions. Word has length 104 [2020-07-20 00:55:21,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:21,047 INFO L479 AbstractCegarLoop]: Abstraction has 793 states and 929 transitions. [2020-07-20 00:55:21,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 00:55:21,048 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 929 transitions. [2020-07-20 00:55:21,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 00:55:21,050 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:21,050 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] [2020-07-20 00:55:21,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-20 00:55:21,050 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:21,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:21,051 INFO L82 PathProgramCache]: Analyzing trace with hash 38573473, now seen corresponding path program 1 times [2020-07-20 00:55:21,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:21,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968043955] [2020-07-20 00:55:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:55:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,312 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 00:55:21,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968043955] [2020-07-20 00:55:21,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462278689] [2020-07-20 00:55:21,697 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71ccec58 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:55:22,300 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71ccec58 issued 4 check-sat command(s) [2020-07-20 00:55:22,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:55:22,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 00:55:22,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:55:22,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 00:55:22,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:55:22,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-20 00:55:22,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074963341] [2020-07-20 00:55:22,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:55:22,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:22,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:55:22,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:55:22,520 INFO L87 Difference]: Start difference. First operand 793 states and 929 transitions. Second operand 8 states. [2020-07-20 00:55:23,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:23,163 INFO L93 Difference]: Finished difference Result 1526 states and 1799 transitions. [2020-07-20 00:55:23,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:55:23,164 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-07-20 00:55:23,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:23,168 INFO L225 Difference]: With dead ends: 1526 [2020-07-20 00:55:23,168 INFO L226 Difference]: Without dead ends: 757 [2020-07-20 00:55:23,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-20 00:55:23,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-07-20 00:55:23,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2020-07-20 00:55:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2020-07-20 00:55:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 872 transitions. [2020-07-20 00:55:23,318 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 872 transitions. Word has length 108 [2020-07-20 00:55:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:23,318 INFO L479 AbstractCegarLoop]: Abstraction has 757 states and 872 transitions. [2020-07-20 00:55:23,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:55:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 872 transitions. [2020-07-20 00:55:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-20 00:55:23,322 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 00:55:23,323 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] [2020-07-20 00:55:23,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 00:55:23,539 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 00:55:23,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 00:55:23,540 INFO L82 PathProgramCache]: Analyzing trace with hash 118260142, now seen corresponding path program 1 times [2020-07-20 00:55:23,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 00:55:23,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465409531] [2020-07-20 00:55:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7359aabb [2020-07-20 00:55:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:23,908 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 00:55:24,323 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-20 00:55:24,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465409531] [2020-07-20 00:55:24,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769557001] [2020-07-20 00:55:24,327 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c6d3c92 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 [2020-07-20 00:55:24,782 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c6d3c92 issued 4 check-sat command(s) [2020-07-20 00:55:24,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 00:55:24,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 00:55:24,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 00:55:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 00:55:24,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 00:55:24,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-20 00:55:24,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641871286] [2020-07-20 00:55:24,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 00:55:24,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 00:55:24,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 00:55:24,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-20 00:55:24,986 INFO L87 Difference]: Start difference. First operand 757 states and 872 transitions. Second operand 8 states. [2020-07-20 00:55:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 00:55:25,413 INFO L93 Difference]: Finished difference Result 1274 states and 1492 transitions. [2020-07-20 00:55:25,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 00:55:25,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-07-20 00:55:25,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 00:55:25,415 INFO L225 Difference]: With dead ends: 1274 [2020-07-20 00:55:25,415 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 00:55:25,418 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 [2020-07-20 00:55:25,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 00:55:25,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 00:55:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 00:55:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 00:55:25,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-07-20 00:55:25,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 00:55:25,420 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 00:55:25,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 00:55:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 00:55:25,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 00:55:25,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 00:55:25,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 00:55:26,339 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-20 00:55:26,614 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-20 00:55:26,719 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-20 00:55:26,837 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-20 00:55:28,024 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-20 00:55:28,723 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-20 00:55:29,191 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-07-20 00:55:30,900 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-07-20 00:55:31,524 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-07-20 00:55:32,405 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-20 00:55:32,560 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 00:55:33,071 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-20 00:55:33,881 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2020-07-20 00:55:34,059 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-20 00:55:34,219 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 00:55:34,425 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-07-20 00:55:34,578 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 00:55:34,756 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-20 00:55:34,946 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-20 00:55:35,120 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2020-07-20 00:55:35,575 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-20 00:55:36,063 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-20 00:55:36,688 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-07-20 00:55:37,141 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 15 [2020-07-20 00:55:37,289 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-20 00:55:37,914 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-07-20 00:55:38,103 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 00:55:38,594 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-20 00:55:39,214 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-20 00:55:39,692 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2020-07-20 00:55:39,850 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-20 00:55:40,309 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-07-20 00:55:40,795 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-20 00:55:41,291 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-20 00:55:41,757 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-20 00:55:42,412 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-20 00:55:42,921 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-20 00:55:43,085 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-20 00:55:43,992 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-20 00:55:44,631 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-20 00:55:45,111 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2020-07-20 00:55:45,292 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 00:55:45,454 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-20 00:55:45,618 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-20 00:55:45,814 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 9 [2020-07-20 00:55:46,377 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2020-07-20 00:55:46,574 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-20 00:55:47,087 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-20 00:55:47,257 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-20 00:55:47,443 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 00:55:47,619 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-20 00:55:47,784 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 00:55:48,451 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 27 [2020-07-20 00:55:48,655 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-20 00:55:48,832 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-20 00:55:49,001 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-20 00:55:49,217 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-07-20 00:55:49,731 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-20 00:55:50,239 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-20 00:55:50,415 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-20 00:55:51,088 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 24 [2020-07-20 00:55:51,292 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-20 00:55:51,298 INFO L268 CegarLoopResult]: For program point L507(lines 484 508) no Hoare annotation was computed. [2020-07-20 00:55:51,298 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 460 515) no Hoare annotation was computed. [2020-07-20 00:55:51,298 INFO L268 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-07-20 00:55:51,298 INFO L268 CegarLoopResult]: For program point L491-1(lines 491 495) no Hoare annotation was computed. [2020-07-20 00:55:51,298 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 460 515) no Hoare annotation was computed. [2020-07-20 00:55:51,298 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-20 00:55:51,299 INFO L268 CegarLoopResult]: For program point L485-2(lines 485 506) no Hoare annotation was computed. [2020-07-20 00:55:51,299 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 460 515) no Hoare annotation was computed. [2020-07-20 00:55:51,299 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-20 00:55:51,299 INFO L268 CegarLoopResult]: For program point L542-2(lines 542 567) no Hoare annotation was computed. [2020-07-20 00:55:51,300 INFO L268 CegarLoopResult]: For program point L568(lines 541 569) no Hoare annotation was computed. [2020-07-20 00:55:51,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 516 575) no Hoare annotation was computed. [2020-07-20 00:55:51,300 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-07-20 00:55:51,300 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-20 00:55:51,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 516 575) no Hoare annotation was computed. [2020-07-20 00:55:51,300 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 516 575) no Hoare annotation was computed. [2020-07-20 00:55:51,301 INFO L268 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-07-20 00:55:51,301 INFO L268 CegarLoopResult]: For program point L548-1(lines 548 552) no Hoare annotation was computed. [2020-07-20 00:55:51,301 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2020-07-20 00:55:51,301 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2020-07-20 00:55:51,301 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2020-07-20 00:55:51,301 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2020-07-20 00:55:51,302 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2020-07-20 00:55:51,302 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)|))) [2020-07-20 00:55:51,302 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))) [2020-07-20 00:55:51,302 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))) [2020-07-20 00:55:51,302 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2020-07-20 00:55:51,303 INFO L268 CegarLoopResult]: For program point L856(lines 856 863) no Hoare annotation was computed. [2020-07-20 00:55:51,303 INFO L268 CegarLoopResult]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2020-07-20 00:55:51,303 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 00:55:51,303 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)|))) [2020-07-20 00:55:51,303 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)|))) [2020-07-20 00:55:51,303 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)|))) [2020-07-20 00:55:51,304 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2020-07-20 00:55:51,304 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 805 828) no Hoare annotation was computed. [2020-07-20 00:55:51,304 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 805 828) no Hoare annotation was computed. [2020-07-20 00:55:51,304 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 805 828) no Hoare annotation was computed. [2020-07-20 00:55:51,304 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 00:55:51,304 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 00:55:51,304 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-20 00:55:51,305 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 00:55:51,306 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 00:55:51,306 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 00:55:51,306 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))) [2020-07-20 00:55:51,306 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))) [2020-07-20 00:55:51,306 INFO L268 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-07-20 00:55:51,306 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))) [2020-07-20 00:55:51,307 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-07-20 00:55:51,307 INFO L268 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-07-20 00:55:51,307 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))) [2020-07-20 00:55:51,307 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2020-07-20 00:55:51,307 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))) [2020-07-20 00:55:51,307 INFO L268 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-07-20 00:55:51,308 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2020-07-20 00:55:51,308 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2020-07-20 00:55:51,308 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2020-07-20 00:55:51,308 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2020-07-20 00:55:51,308 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-20 00:55:51,308 INFO L271 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: true [2020-07-20 00:55:51,308 INFO L268 CegarLoopResult]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2020-07-20 00:55:51,308 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-07-20 00:55:51,308 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2020-07-20 00:55:51,309 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 727 772) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point L747(lines 747 754) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 727 772) no Hoare annotation was computed. [2020-07-20 00:55:51,310 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 727 772) no Hoare annotation was computed. [2020-07-20 00:55:51,311 INFO L268 CegarLoopResult]: For program point L741(lines 741 761) no Hoare annotation was computed. [2020-07-20 00:55:51,311 INFO L268 CegarLoopResult]: For program point L741-1(lines 741 761) no Hoare annotation was computed. [2020-07-20 00:55:51,311 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)|))) [2020-07-20 00:55:51,311 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2020-07-20 00:55:51,311 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2020-07-20 00:55:51,311 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2020-07-20 00:55:51,311 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2020-07-20 00:55:51,311 INFO L271 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: true [2020-07-20 00:55:51,311 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 00:55:51,312 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2020-07-20 00:55:51,312 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))) [2020-07-20 00:55:51,312 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2020-07-20 00:55:51,312 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2020-07-20 00:55:51,312 INFO L268 CegarLoopResult]: For program point L954(lines 954 960) no Hoare annotation was computed. [2020-07-20 00:55:51,312 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2020-07-20 00:55:51,312 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2020-07-20 00:55:51,313 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2020-07-20 00:55:51,313 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))) [2020-07-20 00:55:51,313 INFO L268 CegarLoopResult]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2020-07-20 00:55:51,313 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))) [2020-07-20 00:55:51,313 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2020-07-20 00:55:51,313 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))) [2020-07-20 00:55:51,314 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))) [2020-07-20 00:55:51,314 INFO L268 CegarLoopResult]: For program point L147(lines 147 155) no Hoare annotation was computed. [2020-07-20 00:55:51,314 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))) [2020-07-20 00:55:51,314 INFO L268 CegarLoopResult]: For program point L145-1(line 145) no Hoare annotation was computed. [2020-07-20 00:55:51,314 INFO L268 CegarLoopResult]: For program point L143(lines 143 160) no Hoare annotation was computed. [2020-07-20 00:55:51,314 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-07-20 00:55:51,314 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-07-20 00:55:51,315 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)|))) [2020-07-20 00:55:51,315 INFO L268 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2020-07-20 00:55:51,315 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)|)))) [2020-07-20 00:55:51,315 INFO L268 CegarLoopResult]: For program point L314(lines 313 360) no Hoare annotation was computed. [2020-07-20 00:55:51,315 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)|)))) [2020-07-20 00:55:51,315 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-20 00:55:51,315 INFO L268 CegarLoopResult]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2020-07-20 00:55:51,316 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))) [2020-07-20 00:55:51,316 INFO L268 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-07-20 00:55:51,316 INFO L268 CegarLoopResult]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2020-07-20 00:55:51,316 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))) [2020-07-20 00:55:51,316 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))) [2020-07-20 00:55:51,316 INFO L268 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-07-20 00:55:51,316 INFO L268 CegarLoopResult]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2020-07-20 00:55:51,316 INFO L268 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-07-20 00:55:51,317 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)|))) [2020-07-20 00:55:51,317 INFO L268 CegarLoopResult]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2020-07-20 00:55:51,317 INFO L268 CegarLoopResult]: For program point L701(lines 701 708) no Hoare annotation was computed. [2020-07-20 00:55:51,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 681 726) no Hoare annotation was computed. [2020-07-20 00:55:51,317 INFO L268 CegarLoopResult]: For program point L695(lines 695 715) no Hoare annotation was computed. [2020-07-20 00:55:51,317 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 715) no Hoare annotation was computed. [2020-07-20 00:55:51,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 681 726) no Hoare annotation was computed. [2020-07-20 00:55:51,317 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 681 726) no Hoare annotation was computed. [2020-07-20 00:55:51,318 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))) [2020-07-20 00:55:51,318 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2020-07-20 00:55:51,318 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2020-07-20 00:55:51,318 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2020-07-20 00:55:51,318 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2020-07-20 00:55:51,318 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2020-07-20 00:55:51,318 INFO L268 CegarLoopResult]: For program point L926(lines 926 934) no Hoare annotation was computed. [2020-07-20 00:55:51,318 INFO L268 CegarLoopResult]: For program point L926-2(lines 926 934) no Hoare annotation was computed. [2020-07-20 00:55:51,318 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 918 940) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 918 940) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 918 940) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 374 383) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 374 383) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 374 383) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point L607(lines 607 623) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 578 680) no Hoare annotation was computed. [2020-07-20 00:55:51,319 INFO L268 CegarLoopResult]: For program point L667(lines 667 674) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L628(lines 627 647) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L659(line 659) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L659-1(line 659) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L624(lines 624 665) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 578 680) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L643-1(line 643) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L666(lines 666 677) no Hoare annotation was computed. [2020-07-20 00:55:51,320 INFO L268 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-07-20 00:55:51,321 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 578 680) no Hoare annotation was computed. [2020-07-20 00:55:51,321 INFO L268 CegarLoopResult]: For program point L627-2(lines 627 647) no Hoare annotation was computed. [2020-07-20 00:55:51,321 INFO L268 CegarLoopResult]: For program point L648(lines 626 649) no Hoare annotation was computed. [2020-07-20 00:55:51,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:55:51,321 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)|)) [2020-07-20 00:55:51,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:55:51,322 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))) [2020-07-20 00:55:51,322 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-20 00:55:51,322 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2020-07-20 00:55:51,322 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))) [2020-07-20 00:55:51,322 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))) [2020-07-20 00:55:51,322 INFO L268 CegarLoopResult]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2020-07-20 00:55:51,322 INFO L268 CegarLoopResult]: For program point L179(lines 179 185) no Hoare annotation was computed. [2020-07-20 00:55:51,322 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2020-07-20 00:55:51,323 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-07-20 00:55:51,323 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2020-07-20 00:55:51,323 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2020-07-20 00:55:51,323 INFO L271 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: true [2020-07-20 00:55:51,323 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2020-07-20 00:55:51,323 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-07-20 00:55:51,323 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 941 949) no Hoare annotation was computed. [2020-07-20 00:55:51,323 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 941 949) no Hoare annotation was computed. [2020-07-20 00:55:51,324 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 941 949) no Hoare annotation was computed. [2020-07-20 00:55:51,324 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))) [2020-07-20 00:55:51,324 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2020-07-20 00:55:51,324 INFO L268 CegarLoopResult]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2020-07-20 00:55:51,324 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:55:51,324 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 00:55:51,324 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:55:51,324 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 00:55:51,324 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 00:55:51,325 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 00:55:51,325 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))) [2020-07-20 00:55:51,325 INFO L268 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-07-20 00:55:51,325 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))) [2020-07-20 00:55:51,325 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-07-20 00:55:51,325 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-07-20 00:55:51,326 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)))) [2020-07-20 00:55:51,326 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)))) [2020-07-20 00:55:51,326 INFO L271 CegarLoopResult]: At program point L800(lines 775 804) the Hoare annotation is: true [2020-07-20 00:55:51,326 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2020-07-20 00:55:51,326 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2020-07-20 00:55:51,326 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 00:55:51,326 INFO L268 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-07-20 00:55:51,326 INFO L271 CegarLoopResult]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2020-07-20 00:55:51,327 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-20 00:55:51,327 INFO L271 CegarLoopResult]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2020-07-20 00:55:51,327 INFO L271 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: true [2020-07-20 00:55:51,327 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-20 00:55:51,327 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))) [2020-07-20 00:55:51,327 INFO L268 CegarLoopResult]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2020-07-20 00:55:51,327 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2020-07-20 00:55:51,327 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-20 00:55:51,328 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2020-07-20 00:55:51,328 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 00:55:51,328 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)) [2020-07-20 00:55:51,328 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 00:55:51,328 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 00:55:51,328 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2020-07-20 00:55:51,328 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))) [2020-07-20 00:55:51,328 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2020-07-20 00:55:51,329 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))) [2020-07-20 00:55:51,329 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))) [2020-07-20 00:55:51,329 INFO L268 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-07-20 00:55:51,329 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))) [2020-07-20 00:55:51,329 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-07-20 00:55:51,329 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2020-07-20 00:55:51,329 INFO L268 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-07-20 00:55:51,330 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))) [2020-07-20 00:55:51,330 INFO L268 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-07-20 00:55:51,330 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))) [2020-07-20 00:55:51,330 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2020-07-20 00:55:51,330 INFO L268 CegarLoopResult]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2020-07-20 00:55:51,330 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))) [2020-07-20 00:55:51,330 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2020-07-20 00:55:51,331 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2020-07-20 00:55:51,331 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2020-07-20 00:55:51,331 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2020-07-20 00:55:51,331 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))) [2020-07-20 00:55:51,331 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2020-07-20 00:55:51,331 INFO L268 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-07-20 00:55:51,331 INFO L264 CegarLoopResult]: At program point L985(line 985) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-07-20 00:55:51,331 INFO L268 CegarLoopResult]: For program point L985-1(line 985) no Hoare annotation was computed. [2020-07-20 00:55:51,331 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2020-07-20 00:55:51,332 INFO L268 CegarLoopResult]: For program point L983(lines 983 996) no Hoare annotation was computed. [2020-07-20 00:55:51,332 INFO L268 CegarLoopResult]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2020-07-20 00:55:51,332 INFO L271 CegarLoopResult]: At program point L981(line 981) the Hoare annotation is: true [2020-07-20 00:55:51,332 INFO L268 CegarLoopResult]: For program point L981-1(line 981) no Hoare annotation was computed. [2020-07-20 00:55:51,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:55:51 BoogieIcfgContainer [2020-07-20 00:55:51,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 00:55:51,354 INFO L168 Benchmark]: Toolchain (without parser) took 63578.55 ms. Allocated memory was 145.8 MB in the beginning and 860.9 MB in the end (delta: 715.1 MB). Free memory was 102.5 MB in the beginning and 498.0 MB in the end (delta: -395.5 MB). Peak memory consumption was 739.5 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:51,355 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 00:55:51,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.48 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 169.8 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:51,356 INFO L168 Benchmark]: Boogie Preprocessor took 137.06 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 165.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:51,357 INFO L168 Benchmark]: RCFGBuilder took 1292.10 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.1 MB in the beginning and 191.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:51,358 INFO L168 Benchmark]: TraceAbstraction took 61444.36 ms. Allocated memory was 236.5 MB in the beginning and 860.9 MB in the end (delta: 624.4 MB). Free memory was 191.1 MB in the beginning and 498.0 MB in the end (delta: -306.9 MB). Peak memory consumption was 737.4 MB. Max. memory is 7.1 GB. [2020-07-20 00:55:51,360 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.48 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 169.8 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.06 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 165.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1292.10 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 165.1 MB in the beginning and 191.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61444.36 ms. Allocated memory was 236.5 MB in the beginning and 860.9 MB in the end (delta: 624.4 MB). Free memory was 191.1 MB in the beginning and 498.0 MB in the end (delta: -306.9 MB). Peak memory consumption was 737.4 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: 35.6s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1853 SDtfs, 2183 SDslu, 3150 SDs, 0 SdLazy, 6428 SolverSat, 1315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 761 GetRequests, 620 SyntacticMatches, 6 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 10.8s 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: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 643 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1769 PreInvPairs, 1866 NumberOfFragments, 1828 HoareAnnotationTreeSize, 1769 FomulaSimplifications, 33326095 FormulaSimplificationTreeSizeReduction, 5.8s HoareSimplificationTime, 70 FomulaSimplificationsInter, 1381111 FormulaSimplificationTreeSizeReductionInter, 19.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1271 NumberOfCodeBlocks, 1271 NumberOfCodeBlocksAsserted, 19 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...