/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:05:35,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:05:35,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:05:35,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:05:35,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:05:35,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:05:35,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:05:35,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:05:35,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:05:35,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:05:35,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:05:35,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:05:35,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:05:35,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:05:35,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:05:35,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:05:35,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:05:35,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:05:35,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:05:35,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:05:35,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:05:35,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:05:35,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:05:35,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:05:35,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:05:35,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:05:35,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:05:35,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:05:35,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:05:35,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:05:35,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:05:35,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:05:35,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:05:35,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:05:35,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:05:35,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:05:35,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:05:35,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:05:35,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:05:35,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:05:35,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:05:35,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:05:35,530 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:05:35,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:05:35,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:05:35,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:05:35,535 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:05:35,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:05:35,535 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:05:35,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:05:35,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:05:35,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:05:35,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:05:35,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:05:35,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:05:35,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:05:35,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:05:35,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:05:35,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:05:35,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:05:35,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:05:35,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:05:35,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:05:35,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:05:35,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:05:35,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:05:35,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:05:35,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:05:35,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:05:35,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:05:35,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:05:35,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:05:35,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:05:35,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:05:35,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:05:35,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:05:35,841 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:05:35,842 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-07-19 21:05:35,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072f5f852/6acff0be2ed740af871b71d89a7dfaa4/FLAG05b85c62a [2020-07-19 21:05:36,417 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:05:36,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c [2020-07-19 21:05:36,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072f5f852/6acff0be2ed740af871b71d89a7dfaa4/FLAG05b85c62a [2020-07-19 21:05:36,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072f5f852/6acff0be2ed740af871b71d89a7dfaa4 [2020-07-19 21:05:36,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:05:36,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:05:36,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:36,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:05:36,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:05:36,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:36" (1/1) ... [2020-07-19 21:05:36,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acd029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:36, skipping insertion in model container [2020-07-19 21:05:36,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:36" (1/1) ... [2020-07-19 21:05:36,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:05:36,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:05:37,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:37,307 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:05:37,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:37,426 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:05:37,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37 WrapperNode [2020-07-19 21:05:37,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:37,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:05:37,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:05:37,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:05:37,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... [2020-07-19 21:05:37,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:05:37,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:05:37,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:05:37,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:05:37,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:05:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:05:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:05:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:05:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:05:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:05:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:05:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:05:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:05:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:05:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:05:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:05:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:05:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:05:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:05:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:05:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:05:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:05:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:05:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:05:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:05:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:05:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:05:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:05:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:05:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:05:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:05:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:05:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:05:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:05:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:05:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:05:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:05:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:05:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:05:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:05:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:05:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:05:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:05:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:05:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:05:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:05:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:05:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:05:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:05:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:05:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:05:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:05:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:05:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:05:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:05:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:05:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:05:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:05:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:05:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:05:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:05:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:05:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:05:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:05:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:05:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:05:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:05:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:05:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:05:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:05:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:05:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:05:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:05:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:05:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:05:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:05:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:05:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:05:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:05:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:05:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:05:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:05:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:05:38,661 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:05:38,662 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:05:38,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:38 BoogieIcfgContainer [2020-07-19 21:05:38,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:05:38,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:05:38,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:05:38,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:05:38,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:05:36" (1/3) ... [2020-07-19 21:05:38,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7873d8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:38, skipping insertion in model container [2020-07-19 21:05:38,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:37" (2/3) ... [2020-07-19 21:05:38,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7873d8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:38, skipping insertion in model container [2020-07-19 21:05:38,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:38" (3/3) ... [2020-07-19 21:05:38,677 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-07-19 21:05:38,688 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:05:38,696 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:05:38,712 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:05:38,741 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:05:38,742 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:05:38,742 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:05:38,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:05:38,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:05:38,743 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:05:38,743 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:05:38,743 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:05:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-19 21:05:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:05:38,780 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:38,781 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:38,782 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:38,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:38,789 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times [2020-07-19 21:05:38,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:38,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672260538] [2020-07-19 21:05:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,475 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:39,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672260538] [2020-07-19 21:05:39,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:39,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:05:39,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420617257] [2020-07-19 21:05:39,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:05:39,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:39,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:05:39,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:39,639 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-07-19 21:05:40,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:40,662 INFO L93 Difference]: Finished difference Result 287 states and 366 transitions. [2020-07-19 21:05:40,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:05:40,664 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:05:40,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:40,678 INFO L225 Difference]: With dead ends: 287 [2020-07-19 21:05:40,679 INFO L226 Difference]: Without dead ends: 158 [2020-07-19 21:05:40,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:40,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-19 21:05:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-07-19 21:05:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-19 21:05:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-07-19 21:05:40,773 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2020-07-19 21:05:40,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:40,774 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-07-19 21:05:40,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:05:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-07-19 21:05:40,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:05:40,778 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:40,778 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] [2020-07-19 21:05:40,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:05:40,779 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:40,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:40,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times [2020-07-19 21:05:40,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:40,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217353209] [2020-07-19 21:05:40,780 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,106 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:41,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217353209] [2020-07-19 21:05:41,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:41,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:41,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754817149] [2020-07-19 21:05:41,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:41,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:41,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:41,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:41,246 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 9 states. [2020-07-19 21:05:41,660 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:41,941 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:42,213 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:42,433 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:43,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:43,591 INFO L93 Difference]: Finished difference Result 260 states and 321 transitions. [2020-07-19 21:05:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:05:43,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:05:43,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:43,597 INFO L225 Difference]: With dead ends: 260 [2020-07-19 21:05:43,597 INFO L226 Difference]: Without dead ends: 158 [2020-07-19 21:05:43,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:05:43,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-19 21:05:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 130. [2020-07-19 21:05:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-19 21:05:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2020-07-19 21:05:43,673 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64 [2020-07-19 21:05:43,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:43,674 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2020-07-19 21:05:43,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2020-07-19 21:05:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-19 21:05:43,679 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:43,680 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] [2020-07-19 21:05:43,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:05:43,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:43,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times [2020-07-19 21:05:43,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:43,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093775962] [2020-07-19 21:05:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,043 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:44,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093775962] [2020-07-19 21:05:44,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:44,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:05:44,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358795556] [2020-07-19 21:05:44,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:05:44,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:44,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:05:44,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:44,180 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 7 states. [2020-07-19 21:05:44,616 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:46,099 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:46,623 INFO L93 Difference]: Finished difference Result 377 states and 484 transitions. [2020-07-19 21:05:46,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:05:46,625 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-19 21:05:46,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:46,629 INFO L225 Difference]: With dead ends: 377 [2020-07-19 21:05:46,629 INFO L226 Difference]: Without dead ends: 275 [2020-07-19 21:05:46,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:05:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-07-19 21:05:46,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 225. [2020-07-19 21:05:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-19 21:05:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 269 transitions. [2020-07-19 21:05:46,709 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 269 transitions. Word has length 72 [2020-07-19 21:05:46,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:46,710 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 269 transitions. [2020-07-19 21:05:46,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:05:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 269 transitions. [2020-07-19 21:05:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-19 21:05:46,712 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:46,713 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] [2020-07-19 21:05:46,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:05:46,713 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:46,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:46,713 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times [2020-07-19 21:05:46,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:46,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873018389] [2020-07-19 21:05:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,035 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:05:47,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873018389] [2020-07-19 21:05:47,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:47,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:47,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016450869] [2020-07-19 21:05:47,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:47,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:47,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:47,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:47,186 INFO L87 Difference]: Start difference. First operand 225 states and 269 transitions. Second operand 9 states. [2020-07-19 21:05:47,633 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:48,220 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:49,075 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:49,351 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:49,755 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:49,978 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:50,340 INFO L93 Difference]: Finished difference Result 471 states and 597 transitions. [2020-07-19 21:05:50,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:05:50,345 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-07-19 21:05:50,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:50,348 INFO L225 Difference]: With dead ends: 471 [2020-07-19 21:05:50,348 INFO L226 Difference]: Without dead ends: 274 [2020-07-19 21:05:50,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:05:50,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-19 21:05:50,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 224. [2020-07-19 21:05:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-19 21:05:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 266 transitions. [2020-07-19 21:05:50,399 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 266 transitions. Word has length 86 [2020-07-19 21:05:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:50,400 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 266 transitions. [2020-07-19 21:05:50,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 266 transitions. [2020-07-19 21:05:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:05:50,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:50,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:50,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:05:50,403 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:50,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:50,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times [2020-07-19 21:05:50,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:50,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457124766] [2020-07-19 21:05:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,636 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:50,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457124766] [2020-07-19 21:05:50,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:50,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:50,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778867398] [2020-07-19 21:05:50,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:50,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:50,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:50,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:50,824 INFO L87 Difference]: Start difference. First operand 224 states and 266 transitions. Second operand 9 states. [2020-07-19 21:05:51,764 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:52,024 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:05:52,279 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:52,539 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:53,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:53,281 INFO L93 Difference]: Finished difference Result 471 states and 606 transitions. [2020-07-19 21:05:53,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:05:53,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-07-19 21:05:53,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:53,284 INFO L225 Difference]: With dead ends: 471 [2020-07-19 21:05:53,284 INFO L226 Difference]: Without dead ends: 275 [2020-07-19 21:05:53,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:05:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-07-19 21:05:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 229. [2020-07-19 21:05:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-19 21:05:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 271 transitions. [2020-07-19 21:05:53,334 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 271 transitions. Word has length 102 [2020-07-19 21:05:53,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:53,335 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 271 transitions. [2020-07-19 21:05:53,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 271 transitions. [2020-07-19 21:05:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:05:53,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:53,338 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:53,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:05:53,338 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:53,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:53,339 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times [2020-07-19 21:05:53,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:53,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353738872] [2020-07-19 21:05:53,339 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,578 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:53,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353738872] [2020-07-19 21:05:53,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:53,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:05:53,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397137128] [2020-07-19 21:05:53,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:05:53,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:53,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:05:53,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:05:53,747 INFO L87 Difference]: Start difference. First operand 229 states and 271 transitions. Second operand 11 states. [2020-07-19 21:05:54,401 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:54,647 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:54,868 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:55,524 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:55,766 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:55,997 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:56,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:56,864 INFO L93 Difference]: Finished difference Result 481 states and 617 transitions. [2020-07-19 21:05:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:05:56,864 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-07-19 21:05:56,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:56,867 INFO L225 Difference]: With dead ends: 481 [2020-07-19 21:05:56,867 INFO L226 Difference]: Without dead ends: 280 [2020-07-19 21:05:56,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:05:56,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-07-19 21:05:56,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 233. [2020-07-19 21:05:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-07-19 21:05:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 275 transitions. [2020-07-19 21:05:56,917 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 275 transitions. Word has length 102 [2020-07-19 21:05:56,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:56,918 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 275 transitions. [2020-07-19 21:05:56,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:05:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 275 transitions. [2020-07-19 21:05:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 21:05:56,920 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:56,920 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:56,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:05:56,921 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:56,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:56,921 INFO L82 PathProgramCache]: Analyzing trace with hash 218584628, now seen corresponding path program 1 times [2020-07-19 21:05:56,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:56,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716694040] [2020-07-19 21:05:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,225 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:57,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716694040] [2020-07-19 21:05:57,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:57,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 21:05:57,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283469913] [2020-07-19 21:05:57,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 21:05:57,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:57,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 21:05:57,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:05:57,317 INFO L87 Difference]: Start difference. First operand 233 states and 275 transitions. Second operand 6 states. [2020-07-19 21:05:57,963 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:58,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:58,779 INFO L93 Difference]: Finished difference Result 409 states and 488 transitions. [2020-07-19 21:05:58,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:05:58,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-19 21:05:58,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:58,781 INFO L225 Difference]: With dead ends: 409 [2020-07-19 21:05:58,782 INFO L226 Difference]: Without dead ends: 240 [2020-07-19 21:05:58,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:05:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-07-19 21:05:58,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 203. [2020-07-19 21:05:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-19 21:05:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 231 transitions. [2020-07-19 21:05:58,820 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 231 transitions. Word has length 98 [2020-07-19 21:05:58,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:58,821 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 231 transitions. [2020-07-19 21:05:58,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 21:05:58,821 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 231 transitions. [2020-07-19 21:05:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 21:05:58,822 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:58,822 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:58,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:05:58,823 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:58,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:58,823 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times [2020-07-19 21:05:58,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:58,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032268390] [2020-07-19 21:05:58,824 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:05:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,108 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:59,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032268390] [2020-07-19 21:05:59,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:59,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:05:59,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710301105] [2020-07-19 21:05:59,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:05:59,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:59,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:05:59,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:59,223 INFO L87 Difference]: Start difference. First operand 203 states and 231 transitions. Second operand 7 states. [2020-07-19 21:05:59,582 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:00,092 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:01,669 INFO L93 Difference]: Finished difference Result 573 states and 717 transitions. [2020-07-19 21:06:01,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 21:06:01,670 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-07-19 21:06:01,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:01,673 INFO L225 Difference]: With dead ends: 573 [2020-07-19 21:06:01,673 INFO L226 Difference]: Without dead ends: 398 [2020-07-19 21:06:01,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:06:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-19 21:06:01,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 360. [2020-07-19 21:06:01,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-07-19 21:06:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 422 transitions. [2020-07-19 21:06:01,737 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 422 transitions. Word has length 102 [2020-07-19 21:06:01,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:01,738 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 422 transitions. [2020-07-19 21:06:01,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:06:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 422 transitions. [2020-07-19 21:06:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-19 21:06:01,740 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:01,740 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:01,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:06:01,740 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:01,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times [2020-07-19 21:06:01,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:01,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287801713] [2020-07-19 21:06:01,741 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:06:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,053 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:02,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287801713] [2020-07-19 21:06:02,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:02,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:06:02,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486850767] [2020-07-19 21:06:02,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:06:02,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:02,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:06:02,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:06:02,217 INFO L87 Difference]: Start difference. First operand 360 states and 422 transitions. Second operand 12 states. [2020-07-19 21:06:02,898 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:03,622 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:04,517 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:04,845 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:05,110 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:05,373 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:05,639 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:06,476 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:06,710 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:07,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:07,504 INFO L93 Difference]: Finished difference Result 988 states and 1228 transitions. [2020-07-19 21:06:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-19 21:06:07,505 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-07-19 21:06:07,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:07,514 INFO L225 Difference]: With dead ends: 988 [2020-07-19 21:06:07,515 INFO L226 Difference]: Without dead ends: 721 [2020-07-19 21:06:07,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-07-19 21:06:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-07-19 21:06:07,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 614. [2020-07-19 21:06:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-07-19 21:06:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 712 transitions. [2020-07-19 21:06:07,675 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 712 transitions. Word has length 106 [2020-07-19 21:06:07,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:07,677 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 712 transitions. [2020-07-19 21:06:07,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:06:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 712 transitions. [2020-07-19 21:06:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-19 21:06:07,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:07,682 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:07,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 21:06:07,682 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:07,683 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times [2020-07-19 21:06:07,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:07,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701932070] [2020-07-19 21:06:07,684 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 [2020-07-19 21:06:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:07,969 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 21:06:08,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701932070] [2020-07-19 21:06:08,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971843589] [2020-07-19 21:06:08,246 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5787a851 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:08,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:06:08,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:06:08,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:08,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:06:08,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831212367] [2020-07-19 21:06:08,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:06:08,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:08,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:06:08,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:06:08,798 INFO L87 Difference]: Start difference. First operand 614 states and 712 transitions. Second operand 20 states. [2020-07-19 21:06:09,775 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:10,135 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:10,435 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:10,685 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:11,312 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:11,578 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:12,346 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:13,008 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:13,449 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:14,040 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:06:14,495 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:06:14,793 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:15,518 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:06:16,193 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:06:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:16,424 INFO L93 Difference]: Finished difference Result 955 states and 1130 transitions. [2020-07-19 21:06:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-19 21:06:16,424 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-07-19 21:06:16,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:16,425 INFO L225 Difference]: With dead ends: 955 [2020-07-19 21:06:16,426 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:06:16,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=448, Invalid=1714, Unknown=0, NotChecked=0, Total=2162 [2020-07-19 21:06:16,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:06:16,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:06:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:06:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:06:16,430 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-19 21:06:16,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:16,431 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:06:16,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:06:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:06:16,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:06:16,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:06:16,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:06:17,443 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 232 [2020-07-19 21:06:17,886 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 221 [2020-07-19 21:06:19,547 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 221 [2020-07-19 21:06:20,096 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 229 [2020-07-19 21:06:20,316 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-19 21:06:20,964 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 27 [2020-07-19 21:06:21,131 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:06:21,311 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-07-19 21:06:22,018 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-07-19 21:06:22,263 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-07-19 21:06:22,408 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-19 21:06:22,777 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-07-19 21:06:23,196 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2020-07-19 21:06:23,484 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-19 21:06:23,626 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 21:06:23,787 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:06:23,968 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-07-19 21:06:24,187 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:25,278 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2020-07-19 21:06:25,413 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 21:06:25,718 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-07-19 21:06:26,579 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 30 [2020-07-19 21:06:26,754 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-19 21:06:27,566 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-07-19 21:06:28,421 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 28 [2020-07-19 21:06:28,955 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 26 [2020-07-19 21:06:29,231 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 14 [2020-07-19 21:06:29,723 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-07-19 21:06:29,906 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 25 [2020-07-19 21:06:30,135 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2020-07-19 21:06:30,305 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-07-19 21:06:30,483 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 25 [2020-07-19 21:06:30,640 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 21:06:30,796 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 15 [2020-07-19 21:06:31,075 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2020-07-19 21:06:31,270 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-19 21:06:31,826 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-19 21:06:31,978 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-07-19 21:06:32,149 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-07-19 21:06:32,324 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-19 21:06:32,498 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 15 [2020-07-19 21:06:33,266 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-19 21:06:33,446 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-07-19 21:06:33,613 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 23 [2020-07-19 21:06:33,618 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-07-19 21:06:33,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-07-19 21:06:33,619 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-07-19 21:06:33,619 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-07-19 21:06:33,619 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-07-19 21:06:33,619 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-19 21:06:33,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-07-19 21:06:33,620 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-07-19 21:06:33,620 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-07-19 21:06:33,620 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-07-19 21:06:33,620 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-07-19 21:06:33,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-07-19 21:06:33,621 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-07-19 21:06:33,621 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-07-19 21:06:33,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-07-19 21:06:33,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-07-19 21:06:33,621 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-07-19 21:06:33,622 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-07-19 21:06:33,622 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true [2020-07-19 21:06:33,622 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed. [2020-07-19 21:06:33,622 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed. [2020-07-19 21:06:33,622 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true [2020-07-19 21:06:33,622 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed. [2020-07-19 21:06:33,623 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,623 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-19 21:06:33,623 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-19 21:06:33,623 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2020-07-19 21:06:33,623 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-19 21:06:33,623 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-19 21:06:33,624 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-19 21:06:33,624 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-19 21:06:33,624 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or (not (= 1 ~waterLevel~0)) .cse3 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 21:06:33,624 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-19 21:06:33,624 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-19 21:06:33,624 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-19 21:06:33,625 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1))) [2020-07-19 21:06:33,625 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-19 21:06:33,625 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-19 21:06:33,625 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-19 21:06:33,625 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-19 21:06:33,625 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-19 21:06:33,628 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,629 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,629 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,629 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed. [2020-07-19 21:06:33,629 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2020-07-19 21:06:33,629 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2020-07-19 21:06:33,629 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-07-19 21:06:33,629 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,630 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,630 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,630 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2020-07-19 21:06:33,630 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2020-07-19 21:06:33,630 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2020-07-19 21:06:33,630 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-19 21:06:33,631 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L433(lines 433 441) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 441) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 414 449) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 414 449) no Hoare annotation was computed. [2020-07-19 21:06:33,632 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 429) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 414 449) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-07-19 21:06:33,633 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,634 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true [2020-07-19 21:06:33,634 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 386 393) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 386 393) no Hoare annotation was computed. [2020-07-19 21:06:33,634 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 386 393) no Hoare annotation was computed. [2020-07-19 21:06:33,635 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed. [2020-07-19 21:06:33,635 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-07-19 21:06:33,635 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true [2020-07-19 21:06:33,635 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed. [2020-07-19 21:06:33,635 INFO L268 CegarLoopResult]: For program point L354-1(lines 335 359) no Hoare annotation was computed. [2020-07-19 21:06:33,635 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~2) (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 21:06:33,635 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:06:33,636 INFO L268 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-07-19 21:06:33,636 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed. [2020-07-19 21:06:33,636 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 21:06:33,636 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-19 21:06:33,636 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 21:06:33,636 INFO L268 CegarLoopResult]: For program point L339(lines 339 356) no Hoare annotation was computed. [2020-07-19 21:06:33,637 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 21:06:33,637 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed. [2020-07-19 21:06:33,637 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true [2020-07-19 21:06:33,637 INFO L268 CegarLoopResult]: For program point L481(lines 480 525) no Hoare annotation was computed. [2020-07-19 21:06:33,637 INFO L264 CegarLoopResult]: At program point testENTRY(lines 470 533) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,637 INFO L268 CegarLoopResult]: For program point L510(lines 510 521) no Hoare annotation was computed. [2020-07-19 21:06:33,637 INFO L268 CegarLoopResult]: For program point testFINAL(lines 470 533) no Hoare annotation was computed. [2020-07-19 21:06:33,638 INFO L264 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 21:06:33,638 INFO L268 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed. [2020-07-19 21:06:33,638 INFO L268 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2020-07-19 21:06:33,638 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3) (and .cse0 .cse2 (= 1 ~waterLevel~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 21:06:33,638 INFO L264 CegarLoopResult]: At program point L523(lines 480 525) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (not .cse2))) [2020-07-19 21:06:33,638 INFO L268 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-07-19 21:06:33,638 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2020-07-19 21:06:33,638 INFO L268 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-07-19 21:06:33,639 INFO L264 CegarLoopResult]: At program point L526(lines 479 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:06:33,639 INFO L268 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed. [2020-07-19 21:06:33,639 INFO L268 CegarLoopResult]: For program point testEXIT(lines 470 533) no Hoare annotation was computed. [2020-07-19 21:06:33,639 INFO L264 CegarLoopResult]: At program point L516-2(lines 510 521) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse1 .cse2) (not .cse2))) [2020-07-19 21:06:33,639 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-07-19 21:06:33,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-07-19 21:06:33,639 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-07-19 21:06:33,640 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-07-19 21:06:33,640 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-07-19 21:06:33,640 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-07-19 21:06:33,640 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed. [2020-07-19 21:06:33,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed. [2020-07-19 21:06:33,640 INFO L268 CegarLoopResult]: For program point L153(lines 153 161) no Hoare annotation was computed. [2020-07-19 21:06:33,640 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 145 167) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point L153-2(lines 153 161) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 145 167) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 145 167) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-07-19 21:06:33,641 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-07-19 21:06:33,642 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed. [2020-07-19 21:06:33,643 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed. [2020-07-19 21:06:33,643 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed. [2020-07-19 21:06:33,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:06:33,643 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 21:06:33,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:06:33,643 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,643 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed. [2020-07-19 21:06:33,644 INFO L268 CegarLoopResult]: For program point L380-1(lines 369 385) no Hoare annotation was computed. [2020-07-19 21:06:33,644 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,644 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-07-19 21:06:33,644 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,644 INFO L268 CegarLoopResult]: For program point L374-1(line 374) no Hoare annotation was computed. [2020-07-19 21:06:33,644 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true [2020-07-19 21:06:33,644 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed. [2020-07-19 21:06:33,644 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed. [2020-07-19 21:06:33,644 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed. [2020-07-19 21:06:33,645 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-07-19 21:06:33,645 INFO L271 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: true [2020-07-19 21:06:33,645 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2020-07-19 21:06:33,645 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-07-19 21:06:33,645 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true [2020-07-19 21:06:33,645 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed. [2020-07-19 21:06:33,645 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-07-19 21:06:33,645 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse3 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse4 .cse2))) [2020-07-19 21:06:33,645 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-07-19 21:06:33,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:06:33,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:06:33,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:06:33,646 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true [2020-07-19 21:06:33,646 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed. [2020-07-19 21:06:33,646 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2020-07-19 21:06:33,646 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (or (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse7 .cse6 .cse3))) [2020-07-19 21:06:33,647 INFO L264 CegarLoopResult]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse0 .cse1) .cse2 .cse3) (or (and .cse4 .cse5) .cse6 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse2 .cse7 (and .cse0 .cse1 .cse5) .cse3) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse8) (and .cse8 (<= 1 ~pumpRunning~0)) .cse7 .cse6 .cse3)))) [2020-07-19 21:06:33,647 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3))) [2020-07-19 21:06:33,647 INFO L268 CegarLoopResult]: For program point L307(lines 303 325) no Hoare annotation was computed. [2020-07-19 21:06:33,647 INFO L268 CegarLoopResult]: For program point L305(lines 303 325) no Hoare annotation was computed. [2020-07-19 21:06:33,647 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6)) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse7 .cse3) (or .cse7 (and .cse4 .cse5 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) .cse3)))) [2020-07-19 21:06:33,647 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed. [2020-07-19 21:06:33,648 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed. [2020-07-19 21:06:33,648 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2020-07-19 21:06:33,648 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2020-07-19 21:06:33,648 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true [2020-07-19 21:06:33,648 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-19 21:06:33,648 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed. [2020-07-19 21:06:33,648 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2020-07-19 21:06:33,648 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-19 21:06:33,648 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2020-07-19 21:06:33,649 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true [2020-07-19 21:06:33,649 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-19 21:06:33,649 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:06:33,649 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed. [2020-07-19 21:06:33,649 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-07-19 21:06:33,649 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2020-07-19 21:06:33,649 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2020-07-19 21:06:33,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:06:33,650 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:06:33,650 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:06:33,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:06:33,650 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2020-07-19 21:06:33,650 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1 .cse2) (or .cse4 (not (= 1 |old(~waterLevel~0)|)) (= 1 ~waterLevel~0) .cse2))) [2020-07-19 21:06:33,650 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-07-19 21:06:33,650 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2020-07-19 21:06:33,651 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-07-19 21:06:33,651 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2020-07-19 21:06:33,651 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2020-07-19 21:06:33,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:06:33 BoogieIcfgContainer [2020-07-19 21:06:33,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:06:33,670 INFO L168 Benchmark]: Toolchain (without parser) took 56948.66 ms. Allocated memory was 137.4 MB in the beginning and 792.7 MB in the end (delta: 655.4 MB). Free memory was 101.6 MB in the beginning and 90.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 681.7 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:33,671 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:06:33,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.13 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 168.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:33,672 INFO L168 Benchmark]: Boogie Preprocessor took 94.19 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:33,672 INFO L168 Benchmark]: RCFGBuilder took 1146.13 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 164.2 MB in the beginning and 194.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:33,673 INFO L168 Benchmark]: TraceAbstraction took 54999.60 ms. Allocated memory was 232.3 MB in the beginning and 792.7 MB in the end (delta: 560.5 MB). Free memory was 194.4 MB in the beginning and 90.7 MB in the end (delta: 103.7 MB). Peak memory consumption was 679.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:06:33,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.13 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 168.5 MB in the end (delta: -67.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.19 ms. Allocated memory is still 201.9 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1146.13 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 164.2 MB in the beginning and 194.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54999.60 ms. Allocated memory was 232.3 MB in the beginning and 792.7 MB in the end (delta: 560.5 MB). Free memory was 194.4 MB in the beginning and 90.7 MB in the end (delta: 103.7 MB). Peak memory consumption was 679.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 2 == waterLevel) && 1 <= pumpRunning)) || ((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || !(1 == systemActive) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.9s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 31.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1362 SDtfs, 3044 SDslu, 2187 SDs, 0 SdLazy, 7345 SolverSat, 2002 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 663 GetRequests, 491 SyntacticMatches, 2 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred 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: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 431 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 991 PreInvPairs, 1059 NumberOfFragments, 1637 HoareAnnotationTreeSize, 991 FomulaSimplifications, 22554804 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 185419 FormulaSimplificationTreeSizeReductionInter, 13.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1089 NumberOfCodeBlocks, 1089 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1078 ConstructedInterpolants, 0 QuantifiedInterpolants, 375522 SizeOfPredicates, 4 NumberOfNonLiveVariables, 901 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 84/103 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...