/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:37:09,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:37:09,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:37:09,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:37:09,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:37:09,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:37:09,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:37:09,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:37:09,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:37:09,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:37:09,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:37:09,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:37:09,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:37:09,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:37:09,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:37:09,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:37:09,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:37:09,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:37:09,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:37:09,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:37:09,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:37:09,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:37:09,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:37:09,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:37:09,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:37:09,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:37:09,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:37:09,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:37:09,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:37:09,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:37:09,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:37:09,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:37:09,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:37:09,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:37:09,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:37:09,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:37:09,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:37:09,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:37:09,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:37:09,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:37:09,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:37:09,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:37:09,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:37:09,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:37:09,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:37:09,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:37:09,494 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:37:09,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:37:09,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:37:09,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:37:09,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:37:09,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:37:09,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:37:09,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:37:09,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:37:09,498 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:37:09,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:37:09,499 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:37:09,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:37:09,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:37:09,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:37:09,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:37:09,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:37:09,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:37:09,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:37:09,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:37:09,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:37:09,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:37:09,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:37:09,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:37:09,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:37:09,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:37:09,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:37:09,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:37:09,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:37:09,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:37:09,801 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:37:09,801 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-17 11:37:09,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b7ae3d4/bcade427a4e44b258e1e64f5f1b8333a/FLAGdb1d27344 [2020-07-17 11:37:10,351 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:37:10,352 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-07-17 11:37:10,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b7ae3d4/bcade427a4e44b258e1e64f5f1b8333a/FLAGdb1d27344 [2020-07-17 11:37:10,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b7ae3d4/bcade427a4e44b258e1e64f5f1b8333a [2020-07-17 11:37:10,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:37:10,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:37:10,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:37:10,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:37:10,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:37:10,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:37:10" (1/1) ... [2020-07-17 11:37:10,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527465e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:10, skipping insertion in model container [2020-07-17 11:37:10,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:37:10" (1/1) ... [2020-07-17 11:37:10,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:37:10,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:37:11,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:11,202 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:37:11,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:11,444 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:37:11,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11 WrapperNode [2020-07-17 11:37:11,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:37:11,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:37:11,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:37:11,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:37:11,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... [2020-07-17 11:37:11,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... [2020-07-17 11:37:11,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... [2020-07-17 11:37:11,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... [2020-07-17 11:37:11,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... [2020-07-17 11:37:11,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... [2020-07-17 11:37:11,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... [2020-07-17 11:37:11,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:37:11,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:37:11,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:37:11,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:37:11,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:37:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:37:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:37:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:37:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:37:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:37:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:37:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:37:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:37:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:37:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:37:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:37:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:37:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:37:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:37:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:37:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:37:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:37:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:37:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:37:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:37:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:37:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:37:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:37:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:37:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:37:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:37:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:37:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:37:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:37:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:37:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:37:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:37:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:37:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:37:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:37:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:37:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:37:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:37:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:37:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:37:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:37:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:37:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:37:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:37:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:37:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:37:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:37:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:37:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:37:11,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:37:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:37:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:37:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:37:11,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:37:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:37:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:11,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:37:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:37:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:37:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:37:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:37:11,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:37:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:37:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:37:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:37:11,646 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:37:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:37:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:37:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:37:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:37:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:37:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:37:11,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:37:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:37:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:37:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:37:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:37:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:37:12,815 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:37:12,816 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:37:12,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:12 BoogieIcfgContainer [2020-07-17 11:37:12,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:37:12,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:37:12,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:37:12,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:37:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:37:10" (1/3) ... [2020-07-17 11:37:12,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4436548a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:12, skipping insertion in model container [2020-07-17 11:37:12,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:11" (2/3) ... [2020-07-17 11:37:12,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4436548a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:12, skipping insertion in model container [2020-07-17 11:37:12,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:12" (3/3) ... [2020-07-17 11:37:12,832 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-07-17 11:37:12,842 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:37:12,851 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:37:12,866 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:37:12,895 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:37:12,895 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:37:12,895 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:37:12,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:37:12,896 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:37:12,896 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:37:12,896 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:37:12,896 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:37:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-17 11:37:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:37:12,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:12,926 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] [2020-07-17 11:37:12,927 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:12,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:12,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1109188308, now seen corresponding path program 1 times [2020-07-17 11:37:12,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:12,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527193290] [2020-07-17 11:37:12,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,591 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:13,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:13,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527193290] [2020-07-17 11:37:13,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:13,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:37:13,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263528422] [2020-07-17 11:37:13,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:37:13,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:13,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:37:13,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:37:13,720 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 4 states. [2020-07-17 11:37:15,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:15,020 INFO L93 Difference]: Finished difference Result 309 states and 395 transitions. [2020-07-17 11:37:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:37:15,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:37:15,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:15,037 INFO L225 Difference]: With dead ends: 309 [2020-07-17 11:37:15,037 INFO L226 Difference]: Without dead ends: 170 [2020-07-17 11:37:15,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:37:15,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-17 11:37:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 140. [2020-07-17 11:37:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-17 11:37:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2020-07-17 11:37:15,128 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 59 [2020-07-17 11:37:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:15,129 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2020-07-17 11:37:15,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:37:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2020-07-17 11:37:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:37:15,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:15,134 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:15,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:37:15,135 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:15,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:15,135 INFO L82 PathProgramCache]: Analyzing trace with hash 813843432, now seen corresponding path program 1 times [2020-07-17 11:37:15,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:15,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639561422] [2020-07-17 11:37:15,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,536 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:15,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639561422] [2020-07-17 11:37:15,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:15,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:37:15,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774100594] [2020-07-17 11:37:15,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:37:15,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:15,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:37:15,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:37:15,635 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 5 states. [2020-07-17 11:37:16,175 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:17,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:17,186 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions. [2020-07-17 11:37:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:37:17,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:37:17,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:17,193 INFO L225 Difference]: With dead ends: 250 [2020-07-17 11:37:17,193 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 11:37:17,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:37:17,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 11:37:17,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 131. [2020-07-17 11:37:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-17 11:37:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-07-17 11:37:17,284 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 60 [2020-07-17 11:37:17,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:17,284 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-07-17 11:37:17,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:37:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-07-17 11:37:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 11:37:17,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:17,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:17,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:37:17,298 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:17,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:17,299 INFO L82 PathProgramCache]: Analyzing trace with hash 605286682, now seen corresponding path program 1 times [2020-07-17 11:37:17,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:17,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135390016] [2020-07-17 11:37:17,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,720 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:17,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135390016] [2020-07-17 11:37:17,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:17,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:17,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298465433] [2020-07-17 11:37:17,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:17,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:17,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:17,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:17,817 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 9 states. [2020-07-17 11:37:18,278 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:18,669 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:18,957 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:19,236 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:20,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:20,640 INFO L93 Difference]: Finished difference Result 263 states and 322 transitions. [2020-07-17 11:37:20,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:37:20,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-17 11:37:20,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:20,647 INFO L225 Difference]: With dead ends: 263 [2020-07-17 11:37:20,647 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 11:37:20,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:37:20,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 11:37:20,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 131. [2020-07-17 11:37:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-17 11:37:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2020-07-17 11:37:20,724 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 65 [2020-07-17 11:37:20,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:20,728 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2020-07-17 11:37:20,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2020-07-17 11:37:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-17 11:37:20,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:20,736 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] [2020-07-17 11:37:20,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:37:20,736 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:20,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:20,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1239264208, now seen corresponding path program 1 times [2020-07-17 11:37:20,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:20,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925557744] [2020-07-17 11:37:20,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,128 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:21,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925557744] [2020-07-17 11:37:21,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:21,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:37:21,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792733994] [2020-07-17 11:37:21,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:37:21,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:21,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:37:21,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:37:21,230 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 7 states. [2020-07-17 11:37:21,670 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:23,290 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:23,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:23,939 INFO L93 Difference]: Finished difference Result 367 states and 456 transitions. [2020-07-17 11:37:23,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:37:23,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-17 11:37:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:23,944 INFO L225 Difference]: With dead ends: 367 [2020-07-17 11:37:23,944 INFO L226 Difference]: Without dead ends: 264 [2020-07-17 11:37:23,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:37:23,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-17 11:37:23,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 218. [2020-07-17 11:37:23,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-07-17 11:37:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 249 transitions. [2020-07-17 11:37:23,989 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 249 transitions. Word has length 78 [2020-07-17 11:37:23,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:23,990 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 249 transitions. [2020-07-17 11:37:23,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:37:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 249 transitions. [2020-07-17 11:37:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-17 11:37:23,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:23,992 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] [2020-07-17 11:37:23,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:37:23,993 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:23,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:23,993 INFO L82 PathProgramCache]: Analyzing trace with hash 462053503, now seen corresponding path program 1 times [2020-07-17 11:37:23,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:23,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025523889] [2020-07-17 11:37:23,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,360 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:37:24,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025523889] [2020-07-17 11:37:24,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:24,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:24,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878308842] [2020-07-17 11:37:24,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:24,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:24,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:24,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:24,474 INFO L87 Difference]: Start difference. First operand 218 states and 249 transitions. Second operand 9 states. [2020-07-17 11:37:25,026 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:25,776 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:26,555 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:26,915 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:27,467 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:27,742 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:28,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:28,458 INFO L93 Difference]: Finished difference Result 453 states and 550 transitions. [2020-07-17 11:37:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:37:28,459 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-17 11:37:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:28,462 INFO L225 Difference]: With dead ends: 453 [2020-07-17 11:37:28,462 INFO L226 Difference]: Without dead ends: 263 [2020-07-17 11:37:28,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:37:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-07-17 11:37:28,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 217. [2020-07-17 11:37:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-17 11:37:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2020-07-17 11:37:28,513 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 92 [2020-07-17 11:37:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:28,514 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2020-07-17 11:37:28,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2020-07-17 11:37:28,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:37:28,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:28,516 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] [2020-07-17 11:37:28,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:37:28,516 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:28,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:28,517 INFO L82 PathProgramCache]: Analyzing trace with hash -440444759, now seen corresponding path program 1 times [2020-07-17 11:37:28,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:28,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83119251] [2020-07-17 11:37:28,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,811 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:28,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83119251] [2020-07-17 11:37:28,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:28,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:28,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478291437] [2020-07-17 11:37:28,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:28,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:28,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:28,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:28,982 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 9 states. [2020-07-17 11:37:30,347 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:30,658 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:30,949 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:31,237 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:32,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:32,022 INFO L93 Difference]: Finished difference Result 451 states and 544 transitions. [2020-07-17 11:37:32,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:37:32,022 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-17 11:37:32,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:32,024 INFO L225 Difference]: With dead ends: 451 [2020-07-17 11:37:32,024 INFO L226 Difference]: Without dead ends: 262 [2020-07-17 11:37:32,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:37:32,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-07-17 11:37:32,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 222. [2020-07-17 11:37:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-07-17 11:37:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2020-07-17 11:37:32,068 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 93 [2020-07-17 11:37:32,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:32,068 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2020-07-17 11:37:32,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:32,069 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2020-07-17 11:37:32,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:37:32,070 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:32,070 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] [2020-07-17 11:37:32,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:37:32,070 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:32,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:32,071 INFO L82 PathProgramCache]: Analyzing trace with hash 261155115, now seen corresponding path program 1 times [2020-07-17 11:37:32,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:32,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207532295] [2020-07-17 11:37:32,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,379 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:32,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207532295] [2020-07-17 11:37:32,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:32,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:37:32,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78675514] [2020-07-17 11:37:32,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:37:32,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:32,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:37:32,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:37:32,537 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 11 states. [2020-07-17 11:37:33,093 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:33,376 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:33,669 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:34,479 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:34,774 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:35,069 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:36,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:36,035 INFO L93 Difference]: Finished difference Result 463 states and 564 transitions. [2020-07-17 11:37:36,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:37:36,036 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-07-17 11:37:36,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:36,038 INFO L225 Difference]: With dead ends: 463 [2020-07-17 11:37:36,038 INFO L226 Difference]: Without dead ends: 269 [2020-07-17 11:37:36,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:37:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-17 11:37:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 226. [2020-07-17 11:37:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-17 11:37:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 255 transitions. [2020-07-17 11:37:36,080 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 255 transitions. Word has length 93 [2020-07-17 11:37:36,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:36,080 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 255 transitions. [2020-07-17 11:37:36,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:37:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 255 transitions. [2020-07-17 11:37:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:37:36,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:36,082 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] [2020-07-17 11:37:36,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:37:36,083 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:36,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1986636012, now seen corresponding path program 1 times [2020-07-17 11:37:36,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:36,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204634212] [2020-07-17 11:37:36,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,391 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:36,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204634212] [2020-07-17 11:37:36,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:36,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:37:36,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546435851] [2020-07-17 11:37:36,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:37:36,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:36,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:37:36,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:37:36,542 INFO L87 Difference]: Start difference. First operand 226 states and 255 transitions. Second operand 7 states. [2020-07-17 11:37:36,951 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:37,614 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:39,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:39,724 INFO L93 Difference]: Finished difference Result 645 states and 802 transitions. [2020-07-17 11:37:39,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:37:39,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-07-17 11:37:39,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:39,728 INFO L225 Difference]: With dead ends: 645 [2020-07-17 11:37:39,729 INFO L226 Difference]: Without dead ends: 447 [2020-07-17 11:37:39,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:37:39,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-17 11:37:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 405. [2020-07-17 11:37:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-07-17 11:37:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 471 transitions. [2020-07-17 11:37:39,805 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 471 transitions. Word has length 93 [2020-07-17 11:37:39,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:39,805 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 471 transitions. [2020-07-17 11:37:39,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:37:39,806 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 471 transitions. [2020-07-17 11:37:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-17 11:37:39,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:39,808 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] [2020-07-17 11:37:39,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:37:39,808 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:39,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:39,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1429929390, now seen corresponding path program 1 times [2020-07-17 11:37:39,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:39,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677634931] [2020-07-17 11:37:39,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,190 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:40,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677634931] [2020-07-17 11:37:40,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:40,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:37:40,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135558354] [2020-07-17 11:37:40,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:37:40,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:40,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:37:40,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:37:40,347 INFO L87 Difference]: Start difference. First operand 405 states and 471 transitions. Second operand 12 states. [2020-07-17 11:37:40,829 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:41,555 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:42,685 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:43,035 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:43,322 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:43,645 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:43,949 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:45,189 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:45,491 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:46,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:46,227 INFO L93 Difference]: Finished difference Result 1123 states and 1390 transitions. [2020-07-17 11:37:46,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-17 11:37:46,230 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-17 11:37:46,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:46,235 INFO L225 Difference]: With dead ends: 1123 [2020-07-17 11:37:46,235 INFO L226 Difference]: Without dead ends: 820 [2020-07-17 11:37:46,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 11:37:46,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-07-17 11:37:46,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 698. [2020-07-17 11:37:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-07-17 11:37:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 804 transitions. [2020-07-17 11:37:46,397 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 804 transitions. Word has length 97 [2020-07-17 11:37:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:46,398 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 804 transitions. [2020-07-17 11:37:46,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:37:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 804 transitions. [2020-07-17 11:37:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-17 11:37:46,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:46,401 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:46,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:37:46,401 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:46,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:46,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1557984819, now seen corresponding path program 1 times [2020-07-17 11:37:46,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:46,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668155062] [2020-07-17 11:37:46,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,855 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-17 11:37:47,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668155062] [2020-07-17 11:37:47,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136136153] [2020-07-17 11:37:47,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:37:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:47,746 INFO L264 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:37:47,787 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:37:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:37:48,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:37:48,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:37:48,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728810054] [2020-07-17 11:37:48,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:37:48,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:48,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:37:48,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:37:48,118 INFO L87 Difference]: Start difference. First operand 698 states and 804 transitions. Second operand 20 states. [2020-07-17 11:37:48,934 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:49,344 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:49,677 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:49,979 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:50,769 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:51,115 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:51,567 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:37:52,346 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:52,736 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:54,096 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:37:54,475 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:54,868 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:55,599 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:56,135 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:56,851 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:37:57,644 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:37:57,998 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:58,619 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:59,538 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:37:59,909 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:00,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:00,198 INFO L93 Difference]: Finished difference Result 1561 states and 1857 transitions. [2020-07-17 11:38:00,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-17 11:38:00,199 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-17 11:38:00,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:00,206 INFO L225 Difference]: With dead ends: 1561 [2020-07-17 11:38:00,206 INFO L226 Difference]: Without dead ends: 961 [2020-07-17 11:38:00,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-17 11:38:00,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2020-07-17 11:38:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 848. [2020-07-17 11:38:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 848 states. [2020-07-17 11:38:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 983 transitions. [2020-07-17 11:38:00,356 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 983 transitions. Word has length 157 [2020-07-17 11:38:00,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:00,377 INFO L479 AbstractCegarLoop]: Abstraction has 848 states and 983 transitions. [2020-07-17 11:38:00,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:38:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 983 transitions. [2020-07-17 11:38:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-17 11:38:00,384 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:00,385 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:00,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:38:00,601 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:00,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:00,602 INFO L82 PathProgramCache]: Analyzing trace with hash -57355196, now seen corresponding path program 1 times [2020-07-17 11:38:00,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:00,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985685900] [2020-07-17 11:38:00,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,981 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 83 proven. 29 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-07-17 11:38:01,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985685900] [2020-07-17 11:38:01,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526744815] [2020-07-17 11:38:01,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:01,682 INFO L264 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-17 11:38:01,693 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 199 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-17 11:38:01,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:01,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-17 11:38:01,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875749498] [2020-07-17 11:38:01,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 11:38:01,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:01,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 11:38:01,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:38:01,980 INFO L87 Difference]: Start difference. First operand 848 states and 983 transitions. Second operand 24 states. [2020-07-17 11:38:02,717 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:03,747 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:04,710 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:05,655 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:06,387 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:38:07,044 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:38:07,378 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:07,755 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:08,104 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:12,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:12,448 INFO L93 Difference]: Finished difference Result 2043 states and 2682 transitions. [2020-07-17 11:38:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-17 11:38:12,449 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 273 [2020-07-17 11:38:12,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:12,457 INFO L225 Difference]: With dead ends: 2043 [2020-07-17 11:38:12,457 INFO L226 Difference]: Without dead ends: 1246 [2020-07-17 11:38:12,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 371 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-17 11:38:12,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2020-07-17 11:38:12,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 856. [2020-07-17 11:38:12,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-07-17 11:38:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 978 transitions. [2020-07-17 11:38:12,656 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 978 transitions. Word has length 273 [2020-07-17 11:38:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:12,657 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 978 transitions. [2020-07-17 11:38:12,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 11:38:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 978 transitions. [2020-07-17 11:38:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-07-17 11:38:12,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:12,664 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:12,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:12,879 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:12,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:12,880 INFO L82 PathProgramCache]: Analyzing trace with hash 438205876, now seen corresponding path program 1 times [2020-07-17 11:38:12,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:12,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767654471] [2020-07-17 11:38:12,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,340 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 94 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-07-17 11:38:13,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767654471] [2020-07-17 11:38:13,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987188332] [2020-07-17 11:38:13,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:14,426 INFO L264 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-17 11:38:14,453 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 238 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-17 11:38:14,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:14,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-17 11:38:14,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958019237] [2020-07-17 11:38:14,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 11:38:14,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:14,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 11:38:14,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:38:14,711 INFO L87 Difference]: Start difference. First operand 856 states and 978 transitions. Second operand 22 states. [2020-07-17 11:38:15,930 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:38:16,605 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:38:17,234 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:38:17,818 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:38:19,062 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:38:20,058 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:20,763 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:38:21,345 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:38:22,200 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:23,182 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:23,506 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:24,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:24,206 INFO L93 Difference]: Finished difference Result 1660 states and 1958 transitions. [2020-07-17 11:38:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-17 11:38:24,207 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 289 [2020-07-17 11:38:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:24,215 INFO L225 Difference]: With dead ends: 1660 [2020-07-17 11:38:24,215 INFO L226 Difference]: Without dead ends: 925 [2020-07-17 11:38:24,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 11:38:24,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-07-17 11:38:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 856. [2020-07-17 11:38:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-07-17 11:38:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 975 transitions. [2020-07-17 11:38:24,388 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 975 transitions. Word has length 289 [2020-07-17 11:38:24,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:24,388 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 975 transitions. [2020-07-17 11:38:24,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 11:38:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 975 transitions. [2020-07-17 11:38:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-07-17 11:38:24,391 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:24,391 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:24,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-17 11:38:24,593 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:24,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:24,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1412352399, now seen corresponding path program 1 times [2020-07-17 11:38:24,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:24,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105459930] [2020-07-17 11:38:24,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,977 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-07-17 11:38:25,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105459930] [2020-07-17 11:38:25,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743969618] [2020-07-17 11:38:25,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,627 INFO L264 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-17 11:38:25,639 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 166 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-07-17 11:38:25,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:25,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 20 [2020-07-17 11:38:25,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541196337] [2020-07-17 11:38:25,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:38:25,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:25,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:38:25,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:38:25,871 INFO L87 Difference]: Start difference. First operand 856 states and 975 transitions. Second operand 20 states. [2020-07-17 11:38:26,523 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:27,522 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:27,952 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:28,493 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:32,413 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:32,791 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:33,141 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:33,504 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:38:33,868 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:34,227 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:38:34,870 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-07-17 11:38:35,216 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:38:35,589 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:38:35,931 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-17 11:38:37,088 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:37,466 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:37,811 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:38:38,162 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:38:38,489 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:38:38,810 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:39,155 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:38:39,496 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:40,114 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-07-17 11:38:40,439 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:40,804 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:41,147 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-17 11:38:45,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:45,808 INFO L93 Difference]: Finished difference Result 3421 states and 4344 transitions. [2020-07-17 11:38:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-07-17 11:38:45,809 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 290 [2020-07-17 11:38:45,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:45,825 INFO L225 Difference]: With dead ends: 3421 [2020-07-17 11:38:45,825 INFO L226 Difference]: Without dead ends: 2601 [2020-07-17 11:38:45,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3426 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1711, Invalid=8189, Unknown=0, NotChecked=0, Total=9900 [2020-07-17 11:38:45,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2601 states. [2020-07-17 11:38:46,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2601 to 2069. [2020-07-17 11:38:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2069 states. [2020-07-17 11:38:46,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 2323 transitions. [2020-07-17 11:38:46,433 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 2323 transitions. Word has length 290 [2020-07-17 11:38:46,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:46,435 INFO L479 AbstractCegarLoop]: Abstraction has 2069 states and 2323 transitions. [2020-07-17 11:38:46,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:38:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2323 transitions. [2020-07-17 11:38:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-17 11:38:46,442 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:46,443 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:46,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:46,656 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:46,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:46,657 INFO L82 PathProgramCache]: Analyzing trace with hash 185386588, now seen corresponding path program 1 times [2020-07-17 11:38:46,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:46,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125558083] [2020-07-17 11:38:46,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,155 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 119 proven. 19 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2020-07-17 11:38:47,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125558083] [2020-07-17 11:38:47,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609803099] [2020-07-17 11:38:47,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:48,155 INFO L264 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 11:38:48,167 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-07-17 11:38:48,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:38:48,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-17 11:38:48,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739998228] [2020-07-17 11:38:48,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:38:48,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:48,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:38:48,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:38:48,470 INFO L87 Difference]: Start difference. First operand 2069 states and 2323 transitions. Second operand 8 states. [2020-07-17 11:38:49,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:49,202 INFO L93 Difference]: Finished difference Result 3799 states and 4285 transitions. [2020-07-17 11:38:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:38:49,203 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 363 [2020-07-17 11:38:49,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:49,218 INFO L225 Difference]: With dead ends: 3799 [2020-07-17 11:38:49,218 INFO L226 Difference]: Without dead ends: 1934 [2020-07-17 11:38:49,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 476 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:38:49,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-07-17 11:38:49,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1931. [2020-07-17 11:38:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-07-17 11:38:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2168 transitions. [2020-07-17 11:38:49,663 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2168 transitions. Word has length 363 [2020-07-17 11:38:49,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:49,663 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2168 transitions. [2020-07-17 11:38:49,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:38:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2168 transitions. [2020-07-17 11:38:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-07-17 11:38:49,669 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:49,670 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:49,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-17 11:38:49,884 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:49,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:49,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1866853228, now seen corresponding path program 2 times [2020-07-17 11:38:49,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:49,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845154468] [2020-07-17 11:38:49,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,357 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 169 proven. 26 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-07-17 11:38:50,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845154468] [2020-07-17 11:38:50,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048917945] [2020-07-17 11:38:50,845 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:51,172 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 11:38:51,172 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 11:38:51,176 INFO L264 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-17 11:38:51,183 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-07-17 11:38:51,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:38:51,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 21 [2020-07-17 11:38:51,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822979093] [2020-07-17 11:38:51,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:38:51,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:51,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:38:51,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2020-07-17 11:38:51,383 INFO L87 Difference]: Start difference. First operand 1931 states and 2168 transitions. Second operand 7 states. [2020-07-17 11:38:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:51,993 INFO L93 Difference]: Finished difference Result 3115 states and 3544 transitions. [2020-07-17 11:38:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:38:51,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 363 [2020-07-17 11:38:51,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:51,995 INFO L225 Difference]: With dead ends: 3115 [2020-07-17 11:38:51,995 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:38:52,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 478 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:38:52,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:38:52,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:38:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:38:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:38:52,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2020-07-17 11:38:52,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:52,004 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:38:52,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:38:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:38:52,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:38:52,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:52,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:38:52,398 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-07-17 11:38:55,536 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 457 DAG size of output: 365 [2020-07-17 11:39:01,797 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 436 [2020-07-17 11:39:05,698 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-07-17 11:39:07,875 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 439 [2020-07-17 11:39:08,447 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 342 [2020-07-17 11:39:09,242 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 346 [2020-07-17 11:39:12,287 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 214 DAG size of output: 36 [2020-07-17 11:39:12,768 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-17 11:39:13,305 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-17 11:39:14,715 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 206 DAG size of output: 42 [2020-07-17 11:39:14,915 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2020-07-17 11:39:16,436 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 312 DAG size of output: 48 [2020-07-17 11:39:16,640 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 1 [2020-07-17 11:39:16,896 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-17 11:39:17,108 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-17 11:39:17,872 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2020-07-17 11:39:18,739 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 35 [2020-07-17 11:39:19,214 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-17 11:39:21,363 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 272 DAG size of output: 39 [2020-07-17 11:39:21,609 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:21,894 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-07-17 11:39:24,325 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 283 DAG size of output: 48 [2020-07-17 11:39:24,518 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-17 11:39:24,975 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 1 [2020-07-17 11:39:25,233 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 29 [2020-07-17 11:39:27,082 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 349 DAG size of output: 49 [2020-07-17 11:39:28,938 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 254 DAG size of output: 39 [2020-07-17 11:39:30,228 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 190 DAG size of output: 34 [2020-07-17 11:39:30,975 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-17 11:39:32,270 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 140 DAG size of output: 59 [2020-07-17 11:39:33,787 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 201 DAG size of output: 36 [2020-07-17 11:39:35,998 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 272 DAG size of output: 39 [2020-07-17 11:39:37,527 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 208 DAG size of output: 34 [2020-07-17 11:39:39,186 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 210 DAG size of output: 33 [2020-07-17 11:39:40,131 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 37 [2020-07-17 11:39:40,340 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 1 [2020-07-17 11:39:40,581 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-17 11:39:40,846 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-17 11:39:42,106 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 201 DAG size of output: 43 [2020-07-17 11:39:42,353 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-17 11:39:42,580 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-07-17 11:39:42,827 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-17 11:39:43,313 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2020-07-17 11:39:43,557 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-17 11:39:45,439 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 352 DAG size of output: 49 [2020-07-17 11:39:45,663 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-17 11:39:46,669 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 248 DAG size of output: 42 [2020-07-17 11:39:47,635 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 34 [2020-07-17 11:39:48,562 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 42 [2020-07-17 11:39:49,923 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 203 DAG size of output: 36 [2020-07-17 11:39:51,467 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 140 DAG size of output: 66 [2020-07-17 11:39:53,037 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 201 DAG size of output: 38 [2020-07-17 11:39:53,601 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-17 11:39:53,863 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-07-17 11:39:55,338 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 201 DAG size of output: 37 [2020-07-17 11:39:55,344 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-17 11:39:55,344 INFO L268 CegarLoopResult]: For program point L289-1(lines 289 293) no Hoare annotation was computed. [2020-07-17 11:39:55,344 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-17 11:39:55,344 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 304) no Hoare annotation was computed. [2020-07-17 11:39:55,344 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 258 313) no Hoare annotation was computed. [2020-07-17 11:39:55,344 INFO L268 CegarLoopResult]: For program point L305(lines 282 306) no Hoare annotation was computed. [2020-07-17 11:39:55,345 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 258 313) no Hoare annotation was computed. [2020-07-17 11:39:55,345 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 258 313) no Hoare annotation was computed. [2020-07-17 11:39:55,345 INFO L268 CegarLoopResult]: For program point L346(lines 346 350) no Hoare annotation was computed. [2020-07-17 11:39:55,345 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2020-07-17 11:39:55,345 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 314 373) no Hoare annotation was computed. [2020-07-17 11:39:55,346 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-17 11:39:55,346 INFO L268 CegarLoopResult]: For program point L340-2(lines 340 365) no Hoare annotation was computed. [2020-07-17 11:39:55,346 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 314 373) no Hoare annotation was computed. [2020-07-17 11:39:55,346 INFO L268 CegarLoopResult]: For program point L366(lines 339 367) no Hoare annotation was computed. [2020-07-17 11:39:55,346 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 314 373) no Hoare annotation was computed. [2020-07-17 11:39:55,346 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-07-17 11:39:55,346 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-07-17 11:39:55,347 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-17 11:39:55,347 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-17 11:39:55,347 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-17 11:39:55,347 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-17 11:39:55,347 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-17 11:39:55,347 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 158 165) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:55,348 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2020-07-17 11:39:55,348 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2020-07-17 11:39:55,348 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 166 175) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse9 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse9 .cse7 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse8 .cse2 .cse9 .cse3 .cse4))) [2020-07-17 11:39:55,348 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-07-17 11:39:55,348 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 166 175) no Hoare annotation was computed. [2020-07-17 11:39:55,348 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 166 175) no Hoare annotation was computed. [2020-07-17 11:39:55,349 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse6 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse2 .cse3))) [2020-07-17 11:39:55,349 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-07-17 11:39:55,349 INFO L268 CegarLoopResult]: For program point L188(lines 188 198) no Hoare annotation was computed. [2020-07-17 11:39:55,349 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~1 ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse3 .cse4) (or .cse1 .cse5 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse1 .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse7 .cse4))) [2020-07-17 11:39:55,349 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-07-17 11:39:55,349 INFO L268 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-07-17 11:39:55,350 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 204) no Hoare annotation was computed. [2020-07-17 11:39:55,350 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-17 11:39:55,350 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-17 11:39:55,350 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 176 204) the Hoare annotation is: true [2020-07-17 11:39:55,350 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 176 204) no Hoare annotation was computed. [2020-07-17 11:39:55,350 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-17 11:39:55,350 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-17 11:39:55,351 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:55,351 INFO L264 CegarLoopResult]: At program point L143-1(line 143) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:55,351 INFO L268 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-07-17 11:39:55,351 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-17 11:39:55,351 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-07-17 11:39:55,351 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-17 11:39:55,351 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-17 11:39:55,352 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-17 11:39:55,352 INFO L264 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-17 11:39:55,360 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-17 11:39:55,360 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-17 11:39:55,360 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-07-17 11:39:55,361 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-17 11:39:55,361 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-17 11:39:55,362 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 789 797) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 789 797) the Hoare annotation is: true [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 789 797) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point L817(lines 817 825) no Hoare annotation was computed. [2020-07-17 11:39:55,363 INFO L268 CegarLoopResult]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 798 833) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 798 833) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point L805(lines 805 813) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 813) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 798 833) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 212 257) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 212 257) no Hoare annotation was computed. [2020-07-17 11:39:55,364 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 212 257) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L268 CegarLoopResult]: For program point L545(lines 545 552) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L268 CegarLoopResult]: For program point L539(lines 539 559) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L268 CegarLoopResult]: For program point L539-1(lines 539 559) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 525 570) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 525 570) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 525 570) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-17 11:39:55,365 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2020-07-17 11:39:55,365 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:55,366 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2020-07-17 11:39:55,366 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 778 788) the Hoare annotation is: true [2020-07-17 11:39:55,366 INFO L271 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: true [2020-07-17 11:39:55,366 INFO L268 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-07-17 11:39:55,366 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 778 788) no Hoare annotation was computed. [2020-07-17 11:39:55,366 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 778 788) no Hoare annotation was computed. [2020-07-17 11:39:55,366 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 770 777) the Hoare annotation is: (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:55,366 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 770 777) no Hoare annotation was computed. [2020-07-17 11:39:55,366 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 770 777) no Hoare annotation was computed. [2020-07-17 11:39:55,367 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 655 668) no Hoare annotation was computed. [2020-07-17 11:39:55,367 INFO L268 CegarLoopResult]: For program point L659(lines 659 665) no Hoare annotation was computed. [2020-07-17 11:39:55,367 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 655 668) the Hoare annotation is: true [2020-07-17 11:39:55,368 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 655 668) no Hoare annotation was computed. [2020-07-17 11:39:55,368 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 737 761) no Hoare annotation was computed. [2020-07-17 11:39:55,368 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse7 (not (<= ~waterLevel~0 2)) .cse0 .cse2 .cse3) (or .cse7 (not (= 1 ~waterLevel~0)) .cse4 .cse5 .cse3) (or .cse7 .cse4 .cse5 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:39:55,369 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 737 761) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (= 0 ~pumpRunning~0)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse8 .cse9 .cse10 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse8 .cse9 .cse3 .cse10 .cse5))) [2020-07-17 11:39:55,369 INFO L268 CegarLoopResult]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2020-07-17 11:39:55,369 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (< 0 (+ processEnvironment_~tmp~6 1)) (<= processEnvironment_~tmp~6 0)) .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse3) (or .cse4 .cse0 .cse1 (not (<= ~waterLevel~0 0)) .cse3))) [2020-07-17 11:39:55,369 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (<= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse2 .cse4))) [2020-07-17 11:39:55,370 INFO L268 CegarLoopResult]: For program point L745(lines 745 753) no Hoare annotation was computed. [2020-07-17 11:39:55,371 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse1 .cse2 .cse5) (or .cse6 .cse8 .cse9 .cse5) (or .cse8 .cse9 .cse3 .cse5) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse5))) [2020-07-17 11:39:55,371 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-07-17 11:39:55,371 INFO L268 CegarLoopResult]: For program point L741(lines 741 758) no Hoare annotation was computed. [2020-07-17 11:39:55,371 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 703 709) no Hoare annotation was computed. [2020-07-17 11:39:55,371 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 703 709) the Hoare annotation is: true [2020-07-17 11:39:55,371 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse7 .cse2 .cse4 .cse6) (and .cse1 .cse7 .cse3 .cse5 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse7 .cse3 (<= ~waterLevel~0 1) .cse4))) [2020-07-17 11:39:55,371 INFO L264 CegarLoopResult]: At program point testENTRY(lines 897 962) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:55,371 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-17 11:39:55,372 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-17 11:39:55,372 INFO L264 CegarLoopResult]: At program point L952(lines 907 954) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse4 .cse6) (and .cse1 .cse7 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-17 11:39:55,372 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse5 .cse4 .cse6) (and .cse1 .cse7 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse7 .cse2 .cse5 .cse4))) [2020-07-17 11:39:55,372 INFO L268 CegarLoopResult]: For program point testFINAL(lines 897 962) no Hoare annotation was computed. [2020-07-17 11:39:55,372 INFO L268 CegarLoopResult]: For program point L917(lines 917 923) no Hoare annotation was computed. [2020-07-17 11:39:55,372 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 923) no Hoare annotation was computed. [2020-07-17 11:39:55,372 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-17 11:39:55,373 INFO L264 CegarLoopResult]: At program point L955(lines 906 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:55,373 INFO L268 CegarLoopResult]: For program point L945(lines 945 949) no Hoare annotation was computed. [2020-07-17 11:39:55,373 INFO L264 CegarLoopResult]: At program point L945-2(lines 937 950) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse8 .cse2 .cse4 .cse6) (and .cse1 .cse8 .cse3 .cse5 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse8 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse7 .cse1 .cse8 .cse2 .cse4 .cse6))) [2020-07-17 11:39:55,373 INFO L268 CegarLoopResult]: For program point L908(lines 907 954) no Hoare annotation was computed. [2020-07-17 11:39:55,373 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse8 .cse2 .cse4 .cse6) (and .cse1 .cse8 .cse3 .cse5 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse1 .cse8 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse7 .cse1 .cse8 .cse2 .cse4 .cse6))) [2020-07-17 11:39:55,373 INFO L268 CegarLoopResult]: For program point L937(lines 937 950) no Hoare annotation was computed. [2020-07-17 11:39:55,373 INFO L268 CegarLoopResult]: For program point testEXIT(lines 897 962) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 479 524) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 479 524) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 479 524) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point L493(lines 493 513) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point L493-1(lines 493 513) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 623 645) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point L631(lines 631 639) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 623 645) no Hoare annotation was computed. [2020-07-17 11:39:55,374 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 639) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 623 645) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 376 478) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L446(lines 424 447) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L405(lines 405 421) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L426(lines 425 445) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L422(lines 422 463) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 376 478) no Hoare annotation was computed. [2020-07-17 11:39:55,375 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-17 11:39:55,376 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-17 11:39:55,376 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 376 478) no Hoare annotation was computed. [2020-07-17 11:39:55,376 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-07-17 11:39:55,377 INFO L268 CegarLoopResult]: For program point L464(lines 464 475) no Hoare annotation was computed. [2020-07-17 11:39:55,378 INFO L268 CegarLoopResult]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-07-17 11:39:55,378 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 445) no Hoare annotation was computed. [2020-07-17 11:39:55,378 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-17 11:39:55,378 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-17 11:39:55,378 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-17 11:39:55,378 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:55,379 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-17 11:39:55,379 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:55,379 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2020-07-17 11:39:55,379 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2020-07-17 11:39:55,380 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-17 11:39:55,381 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 646 654) the Hoare annotation is: true [2020-07-17 11:39:55,381 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 646 654) no Hoare annotation was computed. [2020-07-17 11:39:55,381 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 646 654) no Hoare annotation was computed. [2020-07-17 11:39:55,381 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 834 852) no Hoare annotation was computed. [2020-07-17 11:39:55,381 INFO L268 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-07-17 11:39:55,381 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-17 11:39:55,381 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2020-07-17 11:39:55,381 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-17 11:39:55,382 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 834 852) the Hoare annotation is: true [2020-07-17 11:39:55,382 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 834 852) no Hoare annotation was computed. [2020-07-17 11:39:55,382 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-17 11:39:55,382 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= 2 ~waterLevel~0))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse7 .cse3 .cse8 .cse4) (or .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse0 .cse7 .cse1 .cse5 .cse4) (or .cse6 (not (<= ~waterLevel~0 2)) .cse5 .cse8 .cse4))) [2020-07-17 11:39:55,382 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-17 11:39:55,382 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:55,382 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:39:55,382 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:55,383 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse15 (= 1 ~systemActive~0)) (.cse16 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (<= ~waterLevel~0 0)) (.cse19 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (and .cse16 .cse17 .cse18 .cse19)) (.cse11 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse12 (and .cse16 .cse17 (= 1 ~waterLevel~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and (= 0 ~pumpRunning~0) .cse19)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse16 .cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (and .cse16 .cse17 .cse18 .cse19 .cse15 (<= 1 ~pumpRunning~0))) (.cse13 (not (<= |old(~waterLevel~0)| 0))) (.cse4 (not .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse2 .cse4) (or .cse0 .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse11 .cse9 .cse12 .cse4) (or .cse6 .cse7 .cse9 .cse13 .cse2 .cse4) (or .cse11 .cse9 .cse2 .cse12 .cse4) (or .cse5 .cse0 .cse10 .cse1 .cse4) (or .cse6 .cse10 .cse8 .cse14 .cse9 .cse3 .cse4) (or .cse6 .cse10 .cse9 .cse14 .cse13 .cse4)))) [2020-07-17 11:39:55,383 INFO L264 CegarLoopResult]: At program point L690(lines 690 696) the Hoare annotation is: (let ((.cse13 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse21 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse22 (<= ~waterLevel~0 0)) (.cse16 (= 0 ~pumpRunning~0)) (.cse18 (<= 1 ~switchedOnBeforeTS~0)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse19 (= 1 ~systemActive~0))) (let ((.cse10 (and .cse21 .cse3 .cse22 .cse16 .cse18 .cse20 .cse19)) (.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse1 (and .cse20 (<= 1 ~pumpRunning~0))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse12 (and .cse13 .cse14 .cse22 .cse20)) (.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse17 (= 1 ~waterLevel~0)) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not .cse21)) (.cse0 (and .cse16 .cse20)) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not .cse19))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse5) (or .cse11 .cse6 .cse12 (and .cse13 .cse14 .cse15) .cse8 .cse4 .cse5) (or (and .cse16 .cse17) .cse3 .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse5) (or .cse11 .cse6 .cse7 .cse8 .cse10 (and .cse16 .cse18 .cse15) .cse5) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse2 .cse8 (and .cse16 .cse18 .cse17) .cse5) (or .cse6 .cse12 .cse8 .cse9 .cse4 .cse5) (or .cse2 .cse8 .cse4 (and .cse13 .cse14 .cse17) .cse5) (or .cse11 .cse0 .cse7 .cse3 .cse5) (or .cse0 .cse3 .cse9 .cse4 .cse5)))) [2020-07-17 11:39:55,384 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 676 702) the Hoare annotation is: (let ((.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse11 .cse12)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse12)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse9 .cse6 .cse7 .cse10 .cse4) (or .cse9 .cse0 .cse2 .cse10 .cse4) (or .cse9 .cse1 .cse6 .cse7 .cse4) (or .cse5 .cse8 .cse6 .cse7 .cse3 .cse4)))) [2020-07-17 11:39:55,385 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse5 (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse2 .cse4) (or .cse7 .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse7 .cse5 .cse0 .cse3 .cse4))) [2020-07-17 11:39:55,385 INFO L268 CegarLoopResult]: For program point L683(lines 679 701) no Hoare annotation was computed. [2020-07-17 11:39:55,385 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 676 702) no Hoare annotation was computed. [2020-07-17 11:39:55,385 INFO L268 CegarLoopResult]: For program point L681(lines 679 701) no Hoare annotation was computed. [2020-07-17 11:39:55,385 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 676 702) no Hoare annotation was computed. [2020-07-17 11:39:55,385 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-17 11:39:55,385 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-07-17 11:39:55,385 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-07-17 11:39:55,386 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-07-17 11:39:55,386 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-07-17 11:39:55,386 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-07-17 11:39:55,386 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-17 11:39:55,386 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-07-17 11:39:55,386 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-07-17 11:39:55,386 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-17 11:39:55,386 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 614 622) the Hoare annotation is: true [2020-07-17 11:39:55,386 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 614 622) no Hoare annotation was computed. [2020-07-17 11:39:55,386 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 614 622) no Hoare annotation was computed. [2020-07-17 11:39:55,387 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 578 589) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 2 |old(~waterLevel~0)|)) .cse0 .cse2 .cse1 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= |old(~waterLevel~0)| 2)) .cse2 .cse1 .cse3 .cse4))) [2020-07-17 11:39:55,388 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 578 589) no Hoare annotation was computed. [2020-07-17 11:39:55,388 INFO L268 CegarLoopResult]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2020-07-17 11:39:55,388 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-07-17 11:39:55,388 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-07-17 11:39:55,388 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:55,388 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:39:55,388 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:39:55,388 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:55,388 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-17 11:39:55,388 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: (let ((.cse7 (not (<= ~waterLevel~0 1))) (.cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 1 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse8 .cse5) (or .cse6 .cse2 .cse7 .cse3 .cse4 .cse5) (or .cse9 .cse6 .cse2 .cse4 .cse5) (or .cse9 .cse6 .cse2 .cse8 .cse5) (or .cse0 .cse1 .cse2 .cse8 .cse5) (or .cse0 .cse9 .cse2 .cse4 .cse5))) [2020-07-17 11:39:55,388 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-17 11:39:55,389 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 711 735) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6 .cse7 .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4))) [2020-07-17 11:39:55,389 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 711 735) no Hoare annotation was computed. [2020-07-17 11:39:55,389 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-17 11:39:55,389 INFO L268 CegarLoopResult]: For program point L730-1(lines 711 735) no Hoare annotation was computed. [2020-07-17 11:39:55,389 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse5 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-07-17 11:39:55,389 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 (= 2 ~waterLevel~0)) .cse2) (or .cse6 .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse1 .cse2))) [2020-07-17 11:39:55,389 INFO L268 CegarLoopResult]: For program point L719(lines 719 727) no Hoare annotation was computed. [2020-07-17 11:39:55,389 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse0 .cse2 .cse3))) [2020-07-17 11:39:55,389 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-07-17 11:39:55,390 INFO L268 CegarLoopResult]: For program point L715(lines 715 732) no Hoare annotation was computed. [2020-07-17 11:39:55,390 INFO L268 CegarLoopResult]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2020-07-17 11:39:55,390 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 590 601) no Hoare annotation was computed. [2020-07-17 11:39:55,390 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 590 601) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 2 ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse3) (or .cse6 .cse4 .cse1 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse2 .cse8 .cse3) (or .cse0 .cse7 .cse4 .cse2 .cse8 .cse3))) [2020-07-17 11:39:55,390 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-17 11:39:55,390 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-17 11:39:55,390 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-17 11:39:55,390 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-17 11:39:55,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:39:55 BoogieIcfgContainer [2020-07-17 11:39:55,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:39:55,428 INFO L168 Benchmark]: Toolchain (without parser) took 164732.53 ms. Allocated memory was 146.8 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 103.7 MB in the beginning and 827.5 MB in the end (delta: -723.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-17 11:39:55,428 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 11:39:55,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.58 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.3 MB in the beginning and 174.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:55,432 INFO L168 Benchmark]: Boogie Preprocessor took 90.80 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 170.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:55,433 INFO L168 Benchmark]: RCFGBuilder took 1286.97 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.7 MB in the beginning and 195.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:55,433 INFO L168 Benchmark]: TraceAbstraction took 162601.59 ms. Allocated memory was 235.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 194.1 MB in the beginning and 827.5 MB in the end (delta: -633.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-17 11:39:55,435 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.58 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 103.3 MB in the beginning and 174.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.80 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 170.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1286.97 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 169.7 MB in the beginning and 195.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 162601.59 ms. Allocated memory was 235.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 194.1 MB in the beginning and 827.5 MB in the end (delta: -633.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (((((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive) || (((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(waterLevel))) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 99.3s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 81.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 63.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2645 SDtfs, 6816 SDslu, 5399 SDs, 0 SdLazy, 20339 SolverSat, 5403 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3040 GetRequests, 2600 SyntacticMatches, 15 SemanticMatches, 425 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6357 ImplicationChecksByTransitivity, 44.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2069occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 1534 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 3684 PreInvPairs, 3960 NumberOfFragments, 4212 HoareAnnotationTreeSize, 3684 FomulaSimplifications, 4820075706 FormulaSimplificationTreeSizeReduction, 18.0s HoareSimplificationTime, 63 FomulaSimplificationsInter, 52583844 FormulaSimplificationTreeSizeReductionInter, 44.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 4200 NumberOfCodeBlocks, 4200 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4179 ConstructedInterpolants, 0 QuantifiedInterpolants, 2291407 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7594 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 21 InterpolantComputations, 11 PerfectInterpolantSequences, 3944/4119 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...