/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:27:42,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:27:42,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:27:42,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:27:42,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:27:42,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:27:42,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:27:42,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:27:42,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:27:42,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:27:42,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:27:42,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:27:42,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:27:42,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:27:42,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:27:42,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:27:42,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:27:42,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:27:42,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:27:42,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:27:42,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:27:42,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:27:42,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:27:42,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:27:42,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:27:42,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:27:42,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:27:42,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:27:42,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:27:42,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:27:42,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:27:42,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:27:42,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:27:42,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:27:42,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:27:42,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:27:42,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:27:42,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:27:42,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:27:42,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:27:42,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:27:42,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:27:42,441 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:27:42,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:27:42,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:27:42,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:27:42,442 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:27:42,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:27:42,443 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:27:42,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:27:42,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:27:42,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:27:42,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:27:42,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:27:42,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:27:42,444 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:27:42,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:27:42,445 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:27:42,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:27:42,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:27:42,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:27:42,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:27:42,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:27:42,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:27:42,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:27:42,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:27:42,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:27:42,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:27:42,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:27:42,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:27:42,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:27:42,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:27:42,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:27:42,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:27:42,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:27:42,739 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:27:42,739 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:27:42,740 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-17 11:27:42,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f64003ee4/88def715ac824cb2957c5fcfd092864a/FLAGc847521c6 [2020-07-17 11:27:43,254 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:27:43,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-17 11:27:43,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f64003ee4/88def715ac824cb2957c5fcfd092864a/FLAGc847521c6 [2020-07-17 11:27:43,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f64003ee4/88def715ac824cb2957c5fcfd092864a [2020-07-17 11:27:43,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:27:43,588 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:27:43,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:27:43,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:27:43,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:27:43,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:27:43" (1/1) ... [2020-07-17 11:27:43,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e63f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:43, skipping insertion in model container [2020-07-17 11:27:43,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:27:43" (1/1) ... [2020-07-17 11:27:43,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:27:43,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:27:44,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:27:44,095 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:27:44,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:27:44,227 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:27:44,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44 WrapperNode [2020-07-17 11:27:44,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:27:44,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:27:44,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:27:44,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:27:44,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... [2020-07-17 11:27:44,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... [2020-07-17 11:27:44,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... [2020-07-17 11:27:44,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... [2020-07-17 11:27:44,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... [2020-07-17 11:27:44,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... [2020-07-17 11:27:44,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... [2020-07-17 11:27:44,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:27:44,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:27:44,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:27:44,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:27:44,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:27:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:27:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:27:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:27:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:27:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:27:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:27:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:27:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:27:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:27:44,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:27:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:27:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-17 11:27:44,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:27:44,427 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:27:44,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:27:44,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:27:44,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:27:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:27:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:27:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:27:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:27:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:27:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:27:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:27:44,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:27:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:27:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:27:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:27:44,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:27:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:27:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:27:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:27:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:27:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:27:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:27:44,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:27:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:27:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:27:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:27:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:27:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:27:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:27:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:27:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:27:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:27:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:27:44,434 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:27:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:27:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:27:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:27:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:27:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:27:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-17 11:27:44,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:27:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:27:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:27:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:27:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:27:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:27:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:27:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:27:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:27:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:27:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:27:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:27:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:27:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:27:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:27:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:27:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:27:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:27:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:27:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:27:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:27:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:27:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:27:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:27:44,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:27:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:27:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:27:44,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:27:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:27:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:27:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:27:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:27:44,442 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:27:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:27:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:27:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:27:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:27:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:27:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:27:45,578 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:27:45,578 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:27:45,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:27:45 BoogieIcfgContainer [2020-07-17 11:27:45,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:27:45,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:27:45,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:27:45,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:27:45,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:27:43" (1/3) ... [2020-07-17 11:27:45,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6da972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:27:45, skipping insertion in model container [2020-07-17 11:27:45,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:27:44" (2/3) ... [2020-07-17 11:27:45,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6da972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:27:45, skipping insertion in model container [2020-07-17 11:27:45,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:27:45" (3/3) ... [2020-07-17 11:27:45,593 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-07-17 11:27:45,604 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:27:45,613 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:27:45,626 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:27:45,649 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:27:45,650 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:27:45,650 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:27:45,650 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:27:45,650 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:27:45,651 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:27:45,651 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:27:45,651 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:27:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-17 11:27:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:27:45,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:27:45,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:27:45,687 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:27:45,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:27:45,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2020-07-17 11:27:45,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:27:45,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953318465] [2020-07-17 11:27:45,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:27:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,406 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:27:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:27:46,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953318465] [2020-07-17 11:27:46,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:27:46,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:27:46,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869327890] [2020-07-17 11:27:46,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:27:46,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:27:46,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:27:46,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:27:46,527 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2020-07-17 11:27:47,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:27:47,785 INFO L93 Difference]: Finished difference Result 303 states and 398 transitions. [2020-07-17 11:27:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:27:47,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:27:47,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:27:47,802 INFO L225 Difference]: With dead ends: 303 [2020-07-17 11:27:47,803 INFO L226 Difference]: Without dead ends: 164 [2020-07-17 11:27:47,808 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:27:47,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-17 11:27:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2020-07-17 11:27:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-17 11:27:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2020-07-17 11:27:47,901 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2020-07-17 11:27:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:27:47,902 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2020-07-17 11:27:47,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:27:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2020-07-17 11:27:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:27:47,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:27:47,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:27:47,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:27:47,906 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:27:47,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:27:47,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2020-07-17 11:27:47,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:27:47,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712874879] [2020-07-17 11:27:47,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:27:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,273 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:27:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:27:48,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712874879] [2020-07-17 11:27:48,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:27:48,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:27:48,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235660684] [2020-07-17 11:27:48,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:27:48,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:27:48,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:27:48,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:27:48,341 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 4 states. [2020-07-17 11:27:48,777 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:27:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:27:49,703 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-07-17 11:27:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:27:49,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:27:49,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:27:49,706 INFO L225 Difference]: With dead ends: 236 [2020-07-17 11:27:49,707 INFO L226 Difference]: Without dead ends: 148 [2020-07-17 11:27:49,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:27:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-17 11:27:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121. [2020-07-17 11:27:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-17 11:27:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2020-07-17 11:27:49,746 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 47 [2020-07-17 11:27:49,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:27:49,746 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2020-07-17 11:27:49,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:27:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2020-07-17 11:27:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 11:27:49,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:27:49,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:27:49,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:27:49,749 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:27:49,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:27:49,750 INFO L82 PathProgramCache]: Analyzing trace with hash -970175768, now seen corresponding path program 1 times [2020-07-17 11:27:49,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:27:49,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116806126] [2020-07-17 11:27:49,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:27:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,152 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:27:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:27:50,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116806126] [2020-07-17 11:27:50,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:27:50,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:27:50,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550449534] [2020-07-17 11:27:50,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:27:50,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:27:50,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:27:50,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:27:50,242 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 8 states. [2020-07-17 11:27:50,571 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:27:50,919 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:27:51,169 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:27:51,412 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:27:52,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:27:52,581 INFO L93 Difference]: Finished difference Result 245 states and 303 transitions. [2020-07-17 11:27:52,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:27:52,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-17 11:27:52,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:27:52,586 INFO L225 Difference]: With dead ends: 245 [2020-07-17 11:27:52,586 INFO L226 Difference]: Without dead ends: 148 [2020-07-17 11:27:52,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:27:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-17 11:27:52,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 121. [2020-07-17 11:27:52,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-17 11:27:52,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2020-07-17 11:27:52,621 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2020-07-17 11:27:52,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:27:52,622 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2020-07-17 11:27:52,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:27:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2020-07-17 11:27:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 11:27:52,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:27:52,625 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] [2020-07-17 11:27:52,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:27:52,625 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:27:52,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:27:52,625 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2020-07-17 11:27:52,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:27:52,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057750382] [2020-07-17 11:27:52,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:27:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:52,985 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:27:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:27:53,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057750382] [2020-07-17 11:27:53,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:27:53,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:27:53,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953311488] [2020-07-17 11:27:53,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:27:53,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:27:53,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:27:53,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:27:53,118 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 6 states. [2020-07-17 11:27:53,439 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:27:54,517 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:27:55,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:27:55,200 INFO L93 Difference]: Finished difference Result 342 states and 424 transitions. [2020-07-17 11:27:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:27:55,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-17 11:27:55,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:27:55,204 INFO L225 Difference]: With dead ends: 342 [2020-07-17 11:27:55,205 INFO L226 Difference]: Without dead ends: 245 [2020-07-17 11:27:55,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:27:55,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-07-17 11:27:55,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 204. [2020-07-17 11:27:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-17 11:27:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 233 transitions. [2020-07-17 11:27:55,259 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 233 transitions. Word has length 64 [2020-07-17 11:27:55,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:27:55,260 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 233 transitions. [2020-07-17 11:27:55,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:27:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 233 transitions. [2020-07-17 11:27:55,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-17 11:27:55,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:27:55,262 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] [2020-07-17 11:27:55,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:27:55,263 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:27:55,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:27:55,264 INFO L82 PathProgramCache]: Analyzing trace with hash -274572639, now seen corresponding path program 1 times [2020-07-17 11:27:55,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:27:55,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247772502] [2020-07-17 11:27:55,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:27:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,637 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:27:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:27:55,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247772502] [2020-07-17 11:27:55,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:27:55,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:27:55,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162207140] [2020-07-17 11:27:55,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:27:55,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:27:55,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:27:55,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:27:55,751 INFO L87 Difference]: Start difference. First operand 204 states and 233 transitions. Second operand 8 states. [2020-07-17 11:27:56,064 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:27:57,031 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:27:57,351 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:27:57,865 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:27:58,095 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:27:58,381 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:27:59,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:27:59,235 INFO L93 Difference]: Finished difference Result 607 states and 749 transitions. [2020-07-17 11:27:59,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:27:59,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-07-17 11:27:59,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:27:59,241 INFO L225 Difference]: With dead ends: 607 [2020-07-17 11:27:59,241 INFO L226 Difference]: Without dead ends: 427 [2020-07-17 11:27:59,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:27:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-07-17 11:27:59,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 363. [2020-07-17 11:27:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-17 11:27:59,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 416 transitions. [2020-07-17 11:27:59,330 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 416 transitions. Word has length 78 [2020-07-17 11:27:59,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:27:59,330 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 416 transitions. [2020-07-17 11:27:59,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:27:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 416 transitions. [2020-07-17 11:27:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-17 11:27:59,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:27:59,332 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] [2020-07-17 11:27:59,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:27:59,332 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:27:59,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:27:59,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1223934493, now seen corresponding path program 1 times [2020-07-17 11:27:59,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:27:59,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180485436] [2020-07-17 11:27:59,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:27:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,678 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:27:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:27:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:27:59,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180485436] [2020-07-17 11:27:59,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:27:59,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:27:59,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970747331] [2020-07-17 11:27:59,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:27:59,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:27:59,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:27:59,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:27:59,806 INFO L87 Difference]: Start difference. First operand 363 states and 416 transitions. Second operand 9 states. [2020-07-17 11:28:00,173 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:01,213 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:01,525 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:02,396 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:02,654 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:02,873 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:03,174 INFO L93 Difference]: Finished difference Result 466 states and 584 transitions. [2020-07-17 11:28:03,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:28:03,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-07-17 11:28:03,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:03,179 INFO L225 Difference]: With dead ends: 466 [2020-07-17 11:28:03,179 INFO L226 Difference]: Without dead ends: 463 [2020-07-17 11:28:03,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:28:03,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-07-17 11:28:03,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 363. [2020-07-17 11:28:03,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-17 11:28:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 415 transitions. [2020-07-17 11:28:03,257 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 415 transitions. Word has length 82 [2020-07-17 11:28:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:03,257 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 415 transitions. [2020-07-17 11:28:03,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:28:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 415 transitions. [2020-07-17 11:28:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-17 11:28:03,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:03,260 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:03,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:28:03,260 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:03,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:03,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1913348729, now seen corresponding path program 1 times [2020-07-17 11:28:03,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:03,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786143167] [2020-07-17 11:28:03,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,490 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:28:03,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786143167] [2020-07-17 11:28:03,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:03,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:28:03,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16239490] [2020-07-17 11:28:03,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:28:03,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:03,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:28:03,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:28:03,650 INFO L87 Difference]: Start difference. First operand 363 states and 415 transitions. Second operand 9 states. [2020-07-17 11:28:04,500 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:04,760 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:28:04,995 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:05,231 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:06,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:06,237 INFO L93 Difference]: Finished difference Result 810 states and 1008 transitions. [2020-07-17 11:28:06,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:28:06,240 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-17 11:28:06,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:06,243 INFO L225 Difference]: With dead ends: 810 [2020-07-17 11:28:06,243 INFO L226 Difference]: Without dead ends: 471 [2020-07-17 11:28:06,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:28:06,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-07-17 11:28:06,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 373. [2020-07-17 11:28:06,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-17 11:28:06,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2020-07-17 11:28:06,315 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 98 [2020-07-17 11:28:06,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:06,316 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2020-07-17 11:28:06,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:28:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2020-07-17 11:28:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-17 11:28:06,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:06,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:06,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:28:06,318 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:06,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:06,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1019862391, now seen corresponding path program 1 times [2020-07-17 11:28:06,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:06,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133356093] [2020-07-17 11:28:06,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,588 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:28:06,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133356093] [2020-07-17 11:28:06,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:06,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:28:06,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783924379] [2020-07-17 11:28:06,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:28:06,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:06,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:28:06,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:28:06,744 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 11 states. [2020-07-17 11:28:07,206 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:28:07,428 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:07,652 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:08,218 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:08,500 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:08,744 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:28:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:09,873 INFO L93 Difference]: Finished difference Result 830 states and 1030 transitions. [2020-07-17 11:28:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:28:09,877 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-17 11:28:09,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:09,881 INFO L225 Difference]: With dead ends: 830 [2020-07-17 11:28:09,881 INFO L226 Difference]: Without dead ends: 481 [2020-07-17 11:28:09,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:28:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-07-17 11:28:09,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 381. [2020-07-17 11:28:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-17 11:28:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 433 transitions. [2020-07-17 11:28:09,953 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 433 transitions. Word has length 98 [2020-07-17 11:28:09,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:09,954 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 433 transitions. [2020-07-17 11:28:09,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:28:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 433 transitions. [2020-07-17 11:28:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-17 11:28:09,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:09,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:09,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:28:09,956 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:09,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:09,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1027621750, now seen corresponding path program 1 times [2020-07-17 11:28:09,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:09,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666200906] [2020-07-17 11:28:09,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,220 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:28:10,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666200906] [2020-07-17 11:28:10,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:28:10,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:28:10,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329435534] [2020-07-17 11:28:10,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:28:10,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:10,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:28:10,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:28:10,407 INFO L87 Difference]: Start difference. First operand 381 states and 433 transitions. Second operand 7 states. [2020-07-17 11:28:10,780 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:11,454 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:28:13,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:13,456 INFO L93 Difference]: Finished difference Result 1133 states and 1452 transitions. [2020-07-17 11:28:13,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 11:28:13,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-07-17 11:28:13,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:13,465 INFO L225 Difference]: With dead ends: 1133 [2020-07-17 11:28:13,465 INFO L226 Difference]: Without dead ends: 776 [2020-07-17 11:28:13,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:28:13,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-07-17 11:28:13,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 677. [2020-07-17 11:28:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-07-17 11:28:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 803 transitions. [2020-07-17 11:28:13,663 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 803 transitions. Word has length 98 [2020-07-17 11:28:13,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:13,665 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 803 transitions. [2020-07-17 11:28:13,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:28:13,666 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 803 transitions. [2020-07-17 11:28:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-17 11:28:13,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:13,670 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:13,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:28:13,671 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:13,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:13,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1865521988, now seen corresponding path program 1 times [2020-07-17 11:28:13,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:13,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245659777] [2020-07-17 11:28:13,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,015 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:28:14,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245659777] [2020-07-17 11:28:14,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207908925] [2020-07-17 11:28:14,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:28:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:14,525 INFO L264 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 11:28:14,553 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:28:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:28:14,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:28:14,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-17 11:28:14,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748878988] [2020-07-17 11:28:14,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:28:14,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:14,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:28:14,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:28:14,844 INFO L87 Difference]: Start difference. First operand 677 states and 803 transitions. Second operand 8 states. [2020-07-17 11:28:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:15,581 INFO L93 Difference]: Finished difference Result 1296 states and 1548 transitions. [2020-07-17 11:28:15,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:28:15,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-07-17 11:28:15,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:15,588 INFO L225 Difference]: With dead ends: 1296 [2020-07-17 11:28:15,588 INFO L226 Difference]: Without dead ends: 643 [2020-07-17 11:28:15,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:28:15,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-07-17 11:28:15,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2020-07-17 11:28:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-07-17 11:28:15,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 749 transitions. [2020-07-17 11:28:15,820 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 749 transitions. Word has length 102 [2020-07-17 11:28:15,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:15,821 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 749 transitions. [2020-07-17 11:28:15,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:28:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 749 transitions. [2020-07-17 11:28:15,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 11:28:15,824 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:28:15,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:28:16,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:28:16,039 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:28:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:28:16,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1153565628, now seen corresponding path program 1 times [2020-07-17 11:28:16,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:28:16,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737850290] [2020-07-17 11:28:16,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:28:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,375 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-17 11:28:16,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737850290] [2020-07-17 11:28:16,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121722120] [2020-07-17 11:28:16,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:28:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:28:16,843 INFO L264 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 11:28:16,864 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:28:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-17 11:28:17,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:28:17,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-17 11:28:17,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401552523] [2020-07-17 11:28:17,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:28:17,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:28:17,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:28:17,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:28:17,058 INFO L87 Difference]: Start difference. First operand 643 states and 749 transitions. Second operand 8 states. [2020-07-17 11:28:17,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:28:17,381 INFO L93 Difference]: Finished difference Result 1085 states and 1284 transitions. [2020-07-17 11:28:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:28:17,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-07-17 11:28:17,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:28:17,382 INFO L225 Difference]: With dead ends: 1085 [2020-07-17 11:28:17,383 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:28:17,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:28:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:28:17,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:28:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:28:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:28:17,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-07-17 11:28:17,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:28:17,388 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:28:17,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:28:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:28:17,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:28:17,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:28:17,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:28:19,986 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2020-07-17 11:28:20,655 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 203 [2020-07-17 11:28:21,428 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2020-07-17 11:28:22,070 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 245 [2020-07-17 11:28:22,520 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2020-07-17 11:28:23,044 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 199 [2020-07-17 11:28:23,378 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-17 11:28:24,251 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-17 11:28:24,423 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:28:24,595 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-17 11:28:24,811 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-07-17 11:28:24,977 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-17 11:28:25,168 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:28:25,346 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-17 11:28:25,528 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-17 11:28:25,737 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:28:25,909 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-17 11:28:26,423 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2020-07-17 11:28:26,593 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-17 11:28:26,764 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-17 11:28:27,237 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-07-17 11:28:27,726 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-17 11:28:28,196 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-17 11:28:29,019 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 25 [2020-07-17 11:28:29,490 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-17 11:28:29,694 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 9 [2020-07-17 11:28:30,175 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-17 11:28:30,367 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-17 11:28:31,044 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-17 11:28:31,951 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-17 11:28:32,145 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:28:32,620 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2020-07-17 11:28:32,780 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-17 11:28:32,982 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-17 11:28:33,143 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-17 11:28:33,304 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-17 11:28:34,099 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 25 [2020-07-17 11:28:34,255 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-17 11:28:34,417 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-17 11:28:34,575 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-17 11:28:35,047 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-17 11:28:35,543 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-17 11:28:35,704 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-17 11:28:36,474 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-07-17 11:28:36,920 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-17 11:28:37,420 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-17 11:28:37,906 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-17 11:28:38,687 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 25 [2020-07-17 11:28:38,844 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-17 11:28:39,370 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2020-07-17 11:28:39,854 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-17 11:28:40,713 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 23 [2020-07-17 11:28:40,718 INFO L268 CegarLoopResult]: For program point L413(lines 390 414) no Hoare annotation was computed. [2020-07-17 11:28:40,718 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2020-07-17 11:28:40,718 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-07-17 11:28:40,718 INFO L268 CegarLoopResult]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2020-07-17 11:28:40,719 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-17 11:28:40,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2020-07-17 11:28:40,719 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2020-07-17 11:28:40,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2020-07-17 11:28:40,720 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 11:28:40,720 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2020-07-17 11:28:40,720 INFO L268 CegarLoopResult]: For program point L474(lines 447 475) no Hoare annotation was computed. [2020-07-17 11:28:40,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2020-07-17 11:28:40,720 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-17 11:28:40,720 INFO L268 CegarLoopResult]: For program point L467-1(line 467) no Hoare annotation was computed. [2020-07-17 11:28:40,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2020-07-17 11:28:40,721 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2020-07-17 11:28:40,721 INFO L268 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-07-17 11:28:40,721 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2020-07-17 11:28:40,721 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2020-07-17 11:28:40,721 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2020-07-17 11:28:40,722 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2020-07-17 11:28:40,722 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2020-07-17 11:28:40,722 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2020-07-17 11:28:40,722 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,722 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2020-07-17 11:28:40,722 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2020-07-17 11:28:40,723 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,723 INFO L264 CegarLoopResult]: At program point L267-1(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,723 INFO L268 CegarLoopResult]: For program point L265(lines 265 272) no Hoare annotation was computed. [2020-07-17 11:28:40,723 INFO L268 CegarLoopResult]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2020-07-17 11:28:40,723 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-07-17 11:28:40,724 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,724 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,724 INFO L264 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,724 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-17 11:28:40,724 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-17 11:28:40,724 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2020-07-17 11:28:40,724 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-17 11:28:40,725 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-17 11:28:40,726 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-17 11:28:40,726 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-17 11:28:40,726 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-07-17 11:28:40,726 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-17 11:28:40,726 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-07-17 11:28:40,726 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-17 11:28:40,726 INFO L268 CegarLoopResult]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2020-07-17 11:28:40,727 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~6))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse1 .cse2) (or .cse3 .cse0 .cse2))) [2020-07-17 11:28:40,727 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-17 11:28:40,727 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-17 11:28:40,727 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-17 11:28:40,727 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-17 11:28:40,727 INFO L268 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point L893(lines 893 901) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point L893-2(lines 893 901) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 886 921) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point L905(lines 905 913) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point L905-2(lines 905 913) no Hoare annotation was computed. [2020-07-17 11:28:40,728 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point L653(lines 653 660) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point L647(lines 647 667) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2020-07-17 11:28:40,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L271 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: true [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point L871-1(line 871) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2020-07-17 11:28:40,730 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-17 11:28:40,731 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-17 11:28:40,731 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-17 11:28:40,731 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-17 11:28:40,731 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-17 11:28:40,731 INFO L268 CegarLoopResult]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2020-07-17 11:28:40,731 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2020-07-17 11:28:40,731 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-17 11:28:40,731 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-17 11:28:40,732 INFO L264 CegarLoopResult]: At program point L818(line 818) 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~7)) .cse2) (or .cse4 .cse1 .cse2))) [2020-07-17 11:28:40,732 INFO L268 CegarLoopResult]: For program point L816(lines 816 824) no Hoare annotation was computed. [2020-07-17 11:28:40,732 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-17 11:28:40,732 INFO L268 CegarLoopResult]: For program point L814-1(line 814) no Hoare annotation was computed. [2020-07-17 11:28:40,732 INFO L268 CegarLoopResult]: For program point L812(lines 812 829) no Hoare annotation was computed. [2020-07-17 11:28:40,732 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2020-07-17 11:28:40,732 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2020-07-17 11:28:40,732 INFO L264 CegarLoopResult]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,732 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-17 11:28:40,732 INFO L264 CegarLoopResult]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-17 11:28:40,732 INFO L268 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-07-17 11:28:40,733 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2020-07-17 11:28:40,733 INFO L268 CegarLoopResult]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2020-07-17 11:28:40,733 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-17 11:28:40,733 INFO L264 CegarLoopResult]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:28:40,733 INFO L268 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-07-17 11:28:40,733 INFO L264 CegarLoopResult]: At program point L726-2(lines 720 731) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-17 11:28:40,733 INFO L268 CegarLoopResult]: For program point L691(lines 690 735) no Hoare annotation was computed. [2020-07-17 11:28:40,733 INFO L268 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point L607(lines 607 614) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point L601(lines 601 621) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2020-07-17 11:28:40,734 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 280 289) no Hoare annotation was computed. [2020-07-17 11:28:40,735 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L554(lines 532 555) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L513(lines 513 529) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L573(lines 573 580) no Hoare annotation was computed. [2020-07-17 11:28:40,736 INFO L268 CegarLoopResult]: For program point L534(lines 533 553) no Hoare annotation was computed. [2020-07-17 11:28:40,737 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-17 11:28:40,737 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-17 11:28:40,737 INFO L268 CegarLoopResult]: For program point L530(lines 530 571) no Hoare annotation was computed. [2020-07-17 11:28:40,737 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2020-07-17 11:28:40,737 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-07-17 11:28:40,737 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-07-17 11:28:40,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:28:40,738 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-17 11:28:40,738 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:28:40,738 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-07-17 11:28:40,738 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-17 11:28:40,738 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-17 11:28:40,738 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2020-07-17 11:28:40,738 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-17 11:28:40,739 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2))) [2020-07-17 11:28:40,739 INFO L268 CegarLoopResult]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2020-07-17 11:28:40,739 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-17 11:28:40,739 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-17 11:28:40,739 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-17 11:28:40,739 INFO L271 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: true [2020-07-17 11:28:40,739 INFO L268 CegarLoopResult]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2020-07-17 11:28:40,739 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2020-07-17 11:28:40,739 INFO L268 CegarLoopResult]: For program point L929-1(line 929) no Hoare annotation was computed. [2020-07-17 11:28:40,739 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2020-07-17 11:28:40,740 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2020-07-17 11:28:40,740 INFO L268 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2020-07-17 11:28:40,740 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-17 11:28:40,740 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-17 11:28:40,740 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-17 11:28:40,740 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:28:40,740 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:28:40,740 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:28:40,741 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-17 11:28:40,741 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-17 11:28:40,741 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-17 11:28:40,741 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)))) (.cse1 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))) [2020-07-17 11:28:40,741 INFO L264 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and .cse6 .cse5)) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4)))) [2020-07-17 11:28:40,741 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and .cse3 .cse4) .cse2) (or (not (= 0 ~methaneLevelCritical~0)) (and .cse3 .cse1 .cse4) .cse2))) [2020-07-17 11:28:40,741 INFO L268 CegarLoopResult]: For program point L754(lines 753 772) no Hoare annotation was computed. [2020-07-17 11:28:40,742 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 750 773) 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 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-17 11:28:40,742 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2020-07-17 11:28:40,742 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2020-07-17 11:28:40,742 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-17 11:28:40,742 INFO L271 CegarLoopResult]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2020-07-17 11:28:40,742 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2020-07-17 11:28:40,742 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-17 11:28:40,742 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2020-07-17 11:28:40,743 INFO L271 CegarLoopResult]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2020-07-17 11:28:40,743 INFO L271 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: true [2020-07-17 11:28:40,743 INFO L268 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-07-17 11:28:40,743 INFO L271 CegarLoopResult]: At program point L204(lines 179 208) the Hoare annotation is: true [2020-07-17 11:28:40,743 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-17 11:28:40,743 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-17 11:28:40,743 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-17 11:28:40,743 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-17 11:28:40,744 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2020-07-17 11:28:40,744 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2020-07-17 11:28:40,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:28:40,744 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:28:40,744 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:28:40,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:28:40,744 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-17 11:28:40,744 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-17 11:28:40,745 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-17 11:28:40,745 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-17 11:28:40,745 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-07-17 11:28:40,745 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2020-07-17 11:28:40,745 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-17 11:28:40,745 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:28:40,745 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-07-17 11:28:40,745 INFO L268 CegarLoopResult]: For program point L159(lines 159 172) no Hoare annotation was computed. [2020-07-17 11:28:40,746 INFO L268 CegarLoopResult]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2020-07-17 11:28:40,746 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-17 11:28:40,746 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2020-07-17 11:28:40,746 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-17 11:28:40,746 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2020-07-17 11:28:40,746 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-17 11:28:40,746 INFO L268 CegarLoopResult]: For program point L163(lines 163 169) no Hoare annotation was computed. [2020-07-17 11:28:40,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:28:40 BoogieIcfgContainer [2020-07-17 11:28:40,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:28:40,773 INFO L168 Benchmark]: Toolchain (without parser) took 57183.78 ms. Allocated memory was 146.3 MB in the beginning and 821.0 MB in the end (delta: 674.8 MB). Free memory was 101.8 MB in the beginning and 532.3 MB in the end (delta: -430.4 MB). Peak memory consumption was 695.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:28:40,776 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:28:40,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.85 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 172.9 MB in the end (delta: -71.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:28:40,780 INFO L168 Benchmark]: Boogie Preprocessor took 108.06 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:28:40,781 INFO L168 Benchmark]: RCFGBuilder took 1246.66 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.6 MB in the beginning and 196.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:28:40,791 INFO L168 Benchmark]: TraceAbstraction took 55183.72 ms. Allocated memory was 236.5 MB in the beginning and 821.0 MB in the end (delta: 584.6 MB). Free memory was 194.7 MB in the beginning and 532.3 MB in the end (delta: -337.6 MB). Peak memory consumption was 697.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:28:40,793 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 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.85 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 172.9 MB in the end (delta: -71.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.06 ms. Allocated memory is still 204.5 MB. Free memory was 172.9 MB in the beginning and 168.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.66 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.6 MB in the beginning and 196.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55183.72 ms. Allocated memory was 236.5 MB in the beginning and 821.0 MB in the end (delta: 584.6 MB). Free memory was 194.7 MB in the beginning and 532.3 MB in the end (delta: -337.6 MB). Peak memory consumption was 697.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.9s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1560 SDtfs, 1957 SDslu, 2318 SDs, 0 SdLazy, 5384 SolverSat, 1138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 697 GetRequests, 558 SyntacticMatches, 5 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=677occurred 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, 590 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1444 PreInvPairs, 1531 NumberOfFragments, 1507 HoareAnnotationTreeSize, 1444 FomulaSimplifications, 23719203 FormulaSimplificationTreeSizeReduction, 5.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 1064593 FormulaSimplificationTreeSizeReductionInter, 17.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1172 NumberOfCodeBlocks, 1172 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1159 ConstructedInterpolants, 0 QuantifiedInterpolants, 364242 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1644 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 106/111 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...