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_spec2_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:10,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:10,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:10,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:10,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:10,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:10,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:10,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:10,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:10,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:10,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:10,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:10,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:10,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:10,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:10,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:10,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:10,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:10,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:10,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:10,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:10,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:10,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:10,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:10,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:10,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:10,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:10,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:10,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:10,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:10,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:10,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:10,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:10,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:10,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:10,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:10,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:10,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:10,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:10,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:10,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:10,789 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 [2019-09-08 06:08:10,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:10,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:10,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:10,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:10,805 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:10,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:10,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:10,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:10,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:10,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:10,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:10,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:10,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:10,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:10,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:10,807 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:10,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:10,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:10,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:10,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:10,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:10,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:10,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:10,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:10,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:10,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:10,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:10,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:10,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:10,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:10,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:10,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:10,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:10,864 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:10,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-09-08 06:08:10,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91340e720/278ad1a3b7554d3fa681c1c1735a0ff2/FLAGe4fb9fed6 [2019-09-08 06:08:11,473 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:11,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-09-08 06:08:11,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91340e720/278ad1a3b7554d3fa681c1c1735a0ff2/FLAGe4fb9fed6 [2019-09-08 06:08:11,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91340e720/278ad1a3b7554d3fa681c1c1735a0ff2 [2019-09-08 06:08:11,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:11,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:11,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:11,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:11,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:11,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:11" (1/1) ... [2019-09-08 06:08:11,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18312eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:11, skipping insertion in model container [2019-09-08 06:08:11,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:11" (1/1) ... [2019-09-08 06:08:11,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:11,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:12,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:12,342 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:12,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:12,528 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:12,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12 WrapperNode [2019-09-08 06:08:12,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:12,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:12,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:12,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:12,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (1/1) ... [2019-09-08 06:08:12,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (1/1) ... [2019-09-08 06:08:12,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (1/1) ... [2019-09-08 06:08:12,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (1/1) ... [2019-09-08 06:08:12,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (1/1) ... [2019-09-08 06:08:12,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (1/1) ... [2019-09-08 06:08:12,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (1/1) ... [2019-09-08 06:08:12,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:12,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:12,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:12,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:12,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (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 [2019-09-08 06:08:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:08:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:08:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-08 06:08:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-08 06:08:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:08:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:08:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:08:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:08:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:08:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:08:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:08:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-08 06:08:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-08 06:08:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:08:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:08:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:08:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:08:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:08:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:14,078 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:14,078 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:14,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:14 BoogieIcfgContainer [2019-09-08 06:08:14,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:14,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:14,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:14,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:14,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:11" (1/3) ... [2019-09-08 06:08:14,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de0b4fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:14, skipping insertion in model container [2019-09-08 06:08:14,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:12" (2/3) ... [2019-09-08 06:08:14,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de0b4fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:14, skipping insertion in model container [2019-09-08 06:08:14,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:14" (3/3) ... [2019-09-08 06:08:14,088 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-09-08 06:08:14,098 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:14,106 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:14,124 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:14,154 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:14,155 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:14,155 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:14,156 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:14,156 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:14,156 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:14,156 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:14,156 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:14,157 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2019-09-08 06:08:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:08:14,200 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:14,201 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:14,204 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:14,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:14,210 INFO L82 PathProgramCache]: Analyzing trace with hash -2111020078, now seen corresponding path program 1 times [2019-09-08 06:08:14,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:14,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:14,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:14,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:14,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:14,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:14,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:14,561 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:14,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:14,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:14,583 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 2 states. [2019-09-08 06:08:14,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:14,639 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2019-09-08 06:08:14,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:14,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-08 06:08:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:14,657 INFO L225 Difference]: With dead ends: 286 [2019-09-08 06:08:14,657 INFO L226 Difference]: Without dead ends: 145 [2019-09-08 06:08:14,662 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:14,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-09-08 06:08:14,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-09-08 06:08:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-09-08 06:08:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2019-09-08 06:08:14,737 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2019-09-08 06:08:14,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:14,738 INFO L475 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2019-09-08 06:08:14,738 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:14,738 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2019-09-08 06:08:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:14,748 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:14,748 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:14,749 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:14,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:14,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1832052429, now seen corresponding path program 1 times [2019-09-08 06:08:14,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:14,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:14,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:14,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:14,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:14,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:14,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:14,990 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:14,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:14,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:14,992 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2019-09-08 06:08:15,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:15,043 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2019-09-08 06:08:15,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:15,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-08 06:08:15,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:15,047 INFO L225 Difference]: With dead ends: 235 [2019-09-08 06:08:15,049 INFO L226 Difference]: Without dead ends: 136 [2019-09-08 06:08:15,052 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:15,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-08 06:08:15,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-09-08 06:08:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-08 06:08:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2019-09-08 06:08:15,083 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2019-09-08 06:08:15,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:15,083 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2019-09-08 06:08:15,084 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2019-09-08 06:08:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-08 06:08:15,089 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:15,089 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:15,089 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:15,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:15,090 INFO L82 PathProgramCache]: Analyzing trace with hash -761941703, now seen corresponding path program 1 times [2019-09-08 06:08:15,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:15,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:15,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:15,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:15,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:15,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:15,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:15,284 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:15,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:15,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:15,285 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2019-09-08 06:08:15,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:15,623 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2019-09-08 06:08:15,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:08:15,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-08 06:08:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:15,627 INFO L225 Difference]: With dead ends: 244 [2019-09-08 06:08:15,629 INFO L226 Difference]: Without dead ends: 136 [2019-09-08 06:08:15,631 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:08:15,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-09-08 06:08:15,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-09-08 06:08:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-09-08 06:08:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2019-09-08 06:08:15,662 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2019-09-08 06:08:15,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:15,665 INFO L475 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2019-09-08 06:08:15,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2019-09-08 06:08:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-08 06:08:15,673 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:15,674 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:15,674 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:15,675 INFO L82 PathProgramCache]: Analyzing trace with hash -505794736, now seen corresponding path program 1 times [2019-09-08 06:08:15,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:15,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:15,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:15,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:15,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:15,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:15,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 06:08:15,867 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 06:08:15,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 06:08:15,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:08:15,868 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2019-09-08 06:08:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:16,399 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2019-09-08 06:08:16,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:16,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-09-08 06:08:16,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:16,408 INFO L225 Difference]: With dead ends: 342 [2019-09-08 06:08:16,409 INFO L226 Difference]: Without dead ends: 234 [2019-09-08 06:08:16,410 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:08:16,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2019-09-08 06:08:16,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2019-09-08 06:08:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-09-08 06:08:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2019-09-08 06:08:16,438 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2019-09-08 06:08:16,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:16,438 INFO L475 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2019-09-08 06:08:16,438 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 06:08:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2019-09-08 06:08:16,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:08:16,440 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:16,440 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:16,440 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:16,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:16,441 INFO L82 PathProgramCache]: Analyzing trace with hash -210026842, now seen corresponding path program 1 times [2019-09-08 06:08:16,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:16,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:16,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:16,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:16,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:16,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:16,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:16,578 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:16,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:16,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:16,579 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 6 states. [2019-09-08 06:08:16,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:16,815 INFO L93 Difference]: Finished difference Result 574 states and 680 transitions. [2019-09-08 06:08:16,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:08:16,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-08 06:08:16,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:16,821 INFO L225 Difference]: With dead ends: 574 [2019-09-08 06:08:16,821 INFO L226 Difference]: Without dead ends: 386 [2019-09-08 06:08:16,822 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:08:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-09-08 06:08:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 380. [2019-09-08 06:08:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-09-08 06:08:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 436 transitions. [2019-09-08 06:08:16,859 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 436 transitions. Word has length 83 [2019-09-08 06:08:16,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:16,860 INFO L475 AbstractCegarLoop]: Abstraction has 380 states and 436 transitions. [2019-09-08 06:08:16,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 436 transitions. [2019-09-08 06:08:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-08 06:08:16,862 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:16,863 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:16,864 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:16,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:16,864 INFO L82 PathProgramCache]: Analyzing trace with hash -910798134, now seen corresponding path program 1 times [2019-09-08 06:08:16,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:16,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:16,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:16,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:16,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:17,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:17,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:17,027 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:17,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:17,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:17,027 INFO L87 Difference]: Start difference. First operand 380 states and 436 transitions. Second operand 7 states. [2019-09-08 06:08:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:17,701 INFO L93 Difference]: Finished difference Result 761 states and 896 transitions. [2019-09-08 06:08:17,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 06:08:17,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-09-08 06:08:17,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:17,705 INFO L225 Difference]: With dead ends: 761 [2019-09-08 06:08:17,705 INFO L226 Difference]: Without dead ends: 409 [2019-09-08 06:08:17,707 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:08:17,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-09-08 06:08:17,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 379. [2019-09-08 06:08:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-09-08 06:08:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2019-09-08 06:08:17,738 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 87 [2019-09-08 06:08:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:17,739 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2019-09-08 06:08:17,739 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2019-09-08 06:08:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 06:08:17,741 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:17,741 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:17,741 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash -777270984, now seen corresponding path program 1 times [2019-09-08 06:08:17,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:17,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:17,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:17,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:17,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 06:08:17,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:17,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:17,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:17,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:17,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:17,851 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 6 states. [2019-09-08 06:08:17,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:17,912 INFO L93 Difference]: Finished difference Result 744 states and 870 transitions. [2019-09-08 06:08:17,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:08:17,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-09-08 06:08:17,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:17,915 INFO L225 Difference]: With dead ends: 744 [2019-09-08 06:08:17,915 INFO L226 Difference]: Without dead ends: 393 [2019-09-08 06:08:17,917 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:17,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-09-08 06:08:17,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-09-08 06:08:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-09-08 06:08:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 443 transitions. [2019-09-08 06:08:17,940 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 443 transitions. Word has length 103 [2019-09-08 06:08:17,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:17,941 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 443 transitions. [2019-09-08 06:08:17,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 443 transitions. [2019-09-08 06:08:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 06:08:17,943 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:17,943 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:17,943 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:17,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:17,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1151001718, now seen corresponding path program 1 times [2019-09-08 06:08:17,944 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:17,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:17,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:17,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:17,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 06:08:18,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:18,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 06:08:18,028 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 06:08:18,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 06:08:18,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:08:18,029 INFO L87 Difference]: Start difference. First operand 389 states and 443 transitions. Second operand 8 states. [2019-09-08 06:08:18,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:18,087 INFO L93 Difference]: Finished difference Result 764 states and 892 transitions. [2019-09-08 06:08:18,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:08:18,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-08 06:08:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:18,100 INFO L225 Difference]: With dead ends: 764 [2019-09-08 06:08:18,100 INFO L226 Difference]: Without dead ends: 403 [2019-09-08 06:08:18,102 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:08:18,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-08 06:08:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-09-08 06:08:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-09-08 06:08:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 451 transitions. [2019-09-08 06:08:18,129 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 451 transitions. Word has length 103 [2019-09-08 06:08:18,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:18,130 INFO L475 AbstractCegarLoop]: Abstraction has 397 states and 451 transitions. [2019-09-08 06:08:18,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 06:08:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 451 transitions. [2019-09-08 06:08:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-08 06:08:18,133 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:18,134 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:18,134 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:18,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:18,134 INFO L82 PathProgramCache]: Analyzing trace with hash 910461589, now seen corresponding path program 1 times [2019-09-08 06:08:18,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:18,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:18,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:18,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:18,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 06:08:18,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:18,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:08:18,218 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:08:18,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:08:18,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:08:18,218 INFO L87 Difference]: Start difference. First operand 397 states and 451 transitions. Second operand 4 states. [2019-09-08 06:08:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:18,460 INFO L93 Difference]: Finished difference Result 1162 states and 1390 transitions. [2019-09-08 06:08:18,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 06:08:18,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-09-08 06:08:18,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:18,466 INFO L225 Difference]: With dead ends: 1162 [2019-09-08 06:08:18,466 INFO L226 Difference]: Without dead ends: 793 [2019-09-08 06:08:18,468 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:08:18,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-09-08 06:08:18,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 778. [2019-09-08 06:08:18,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2019-09-08 06:08:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 911 transitions. [2019-09-08 06:08:18,519 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 911 transitions. Word has length 103 [2019-09-08 06:08:18,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:18,520 INFO L475 AbstractCegarLoop]: Abstraction has 778 states and 911 transitions. [2019-09-08 06:08:18,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:08:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 911 transitions. [2019-09-08 06:08:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-08 06:08:18,522 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:18,522 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:18,523 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:18,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:18,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1450576315, now seen corresponding path program 1 times [2019-09-08 06:08:18,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:18,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:18,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:18,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:18,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 06:08:18,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:08:18,672 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:08:18,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:18,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 06:08:18,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:08:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:19,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:08:19,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-08 06:08:19,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-08 06:08:19,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-08 06:08:19,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-08 06:08:19,094 INFO L87 Difference]: Start difference. First operand 778 states and 911 transitions. Second operand 19 states. [2019-09-08 06:08:20,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:20,642 INFO L93 Difference]: Finished difference Result 1497 states and 1773 transitions. [2019-09-08 06:08:20,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 06:08:20,642 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2019-09-08 06:08:20,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:20,647 INFO L225 Difference]: With dead ends: 1497 [2019-09-08 06:08:20,647 INFO L226 Difference]: Without dead ends: 747 [2019-09-08 06:08:20,650 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-08 06:08:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2019-09-08 06:08:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2019-09-08 06:08:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2019-09-08 06:08:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 860 transitions. [2019-09-08 06:08:20,702 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 860 transitions. Word has length 107 [2019-09-08 06:08:20,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:20,703 INFO L475 AbstractCegarLoop]: Abstraction has 747 states and 860 transitions. [2019-09-08 06:08:20,703 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-08 06:08:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 860 transitions. [2019-09-08 06:08:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-08 06:08:20,708 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:20,708 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:20,709 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:20,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:20,709 INFO L82 PathProgramCache]: Analyzing trace with hash 675241674, now seen corresponding path program 1 times [2019-09-08 06:08:20,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:20,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:20,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:20,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:20,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-08 06:08:20,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:20,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:20,827 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:20,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:20,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:20,829 INFO L87 Difference]: Start difference. First operand 747 states and 860 transitions. Second operand 3 states. [2019-09-08 06:08:20,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:20,889 INFO L93 Difference]: Finished difference Result 1212 states and 1426 transitions. [2019-09-08 06:08:20,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:20,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-09-08 06:08:20,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:20,898 INFO L225 Difference]: With dead ends: 1212 [2019-09-08 06:08:20,899 INFO L226 Difference]: Without dead ends: 1209 [2019-09-08 06:08:20,900 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:20,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2019-09-08 06:08:20,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 885. [2019-09-08 06:08:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2019-09-08 06:08:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1039 transitions. [2019-09-08 06:08:20,969 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1039 transitions. Word has length 160 [2019-09-08 06:08:20,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:20,970 INFO L475 AbstractCegarLoop]: Abstraction has 885 states and 1039 transitions. [2019-09-08 06:08:20,970 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1039 transitions. [2019-09-08 06:08:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-09-08 06:08:20,977 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:20,977 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2019-09-08 06:08:20,978 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:20,978 INFO L82 PathProgramCache]: Analyzing trace with hash -746542150, now seen corresponding path program 1 times [2019-09-08 06:08:20,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:20,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:20,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:20,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:20,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-09-08 06:08:21,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:08:21,179 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:08:21,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:21,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 06:08:21,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:08:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-09-08 06:08:21,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:08:21,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-08 06:08:21,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:21,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:21,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:21,545 INFO L87 Difference]: Start difference. First operand 885 states and 1039 transitions. Second operand 6 states. [2019-09-08 06:08:22,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:22,268 INFO L93 Difference]: Finished difference Result 1898 states and 2335 transitions. [2019-09-08 06:08:22,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:08:22,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2019-09-08 06:08:22,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:22,276 INFO L225 Difference]: With dead ends: 1898 [2019-09-08 06:08:22,276 INFO L226 Difference]: Without dead ends: 1161 [2019-09-08 06:08:22,279 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:08:22,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2019-09-08 06:08:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1066. [2019-09-08 06:08:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2019-09-08 06:08:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1275 transitions. [2019-09-08 06:08:22,350 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1275 transitions. Word has length 224 [2019-09-08 06:08:22,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:22,351 INFO L475 AbstractCegarLoop]: Abstraction has 1066 states and 1275 transitions. [2019-09-08 06:08:22,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1275 transitions. [2019-09-08 06:08:22,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-09-08 06:08:22,357 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:22,357 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2019-09-08 06:08:22,357 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:22,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:22,358 INFO L82 PathProgramCache]: Analyzing trace with hash 876618940, now seen corresponding path program 1 times [2019-09-08 06:08:22,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:22,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:22,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:22,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:22,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-09-08 06:08:22,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:08:22,592 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:08:22,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:22,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 20 conjunts are in the unsatisfiable core [2019-09-08 06:08:22,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:08:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Stream closed [2019-09-08 06:08:22,886 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:08:22,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2019-09-08 06:08:22,887 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 06:08:22,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 06:08:22,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:08:22,888 INFO L87 Difference]: Start difference. First operand 1066 states and 1275 transitions. Second operand 13 states. [2019-09-08 06:08:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:24,692 INFO L93 Difference]: Finished difference Result 2895 states and 3968 transitions. [2019-09-08 06:08:24,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 06:08:24,693 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 224 [2019-09-08 06:08:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:24,709 INFO L225 Difference]: With dead ends: 2895 [2019-09-08 06:08:24,709 INFO L226 Difference]: Without dead ends: 1981 [2019-09-08 06:08:24,716 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2019-09-08 06:08:24,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2019-09-08 06:08:24,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1883. [2019-09-08 06:08:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1883 states. [2019-09-08 06:08:24,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2549 transitions. [2019-09-08 06:08:24,850 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2549 transitions. Word has length 224 [2019-09-08 06:08:24,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:24,853 INFO L475 AbstractCegarLoop]: Abstraction has 1883 states and 2549 transitions. [2019-09-08 06:08:24,853 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 06:08:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2549 transitions. [2019-09-08 06:08:24,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-09-08 06:08:24,864 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:24,864 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 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, 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, 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] [2019-09-08 06:08:24,865 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:24,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:24,865 INFO L82 PathProgramCache]: Analyzing trace with hash 562610063, now seen corresponding path program 1 times [2019-09-08 06:08:24,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:24,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:24,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:24,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:24,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 57 proven. 36 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-09-08 06:08:25,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:08:25,026 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:08:25,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:25,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 06:08:25,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:08:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-09-08 06:08:25,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:08:25,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2019-09-08 06:08:25,408 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 06:08:25,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 06:08:25,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:08:25,409 INFO L87 Difference]: Start difference. First operand 1883 states and 2549 transitions. Second operand 13 states. [2019-09-08 06:08:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:27,019 INFO L93 Difference]: Finished difference Result 4854 states and 6740 transitions. [2019-09-08 06:08:27,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 06:08:27,020 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 274 [2019-09-08 06:08:27,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:27,047 INFO L225 Difference]: With dead ends: 4854 [2019-09-08 06:08:27,047 INFO L226 Difference]: Without dead ends: 3169 [2019-09-08 06:08:27,055 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 278 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2019-09-08 06:08:27,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3169 states. [2019-09-08 06:08:27,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3169 to 2730. [2019-09-08 06:08:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2730 states. [2019-09-08 06:08:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3661 transitions. [2019-09-08 06:08:27,382 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3661 transitions. Word has length 274 [2019-09-08 06:08:27,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:27,382 INFO L475 AbstractCegarLoop]: Abstraction has 2730 states and 3661 transitions. [2019-09-08 06:08:27,382 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 06:08:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3661 transitions. [2019-09-08 06:08:27,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-09-08 06:08:27,388 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:27,388 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2019-09-08 06:08:27,388 INFO L418 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:27,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1113638304, now seen corresponding path program 2 times [2019-09-08 06:08:27,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:27,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:27,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:27,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:27,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 47 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-08 06:08:27,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:08:27,568 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:08:27,597 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 06:08:27,775 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 06:08:27,775 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 06:08:27,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-08 06:08:27,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:08:27,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 06:08:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-08 06:08:27,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:08:27,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 14 [2019-09-08 06:08:27,903 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 06:08:27,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 06:08:27,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-09-08 06:08:27,904 INFO L87 Difference]: Start difference. First operand 2730 states and 3661 transitions. Second operand 14 states. [2019-09-08 06:08:30,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:30,161 INFO L93 Difference]: Finished difference Result 6652 states and 9185 transitions. [2019-09-08 06:08:30,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 06:08:30,161 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 220 [2019-09-08 06:08:30,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:30,191 INFO L225 Difference]: With dead ends: 6652 [2019-09-08 06:08:30,191 INFO L226 Difference]: Without dead ends: 4080 [2019-09-08 06:08:30,206 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=550, Unknown=0, NotChecked=0, Total=702 [2019-09-08 06:08:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2019-09-08 06:08:30,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 3581. [2019-09-08 06:08:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3581 states. [2019-09-08 06:08:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 3581 states and 4714 transitions. [2019-09-08 06:08:30,450 INFO L78 Accepts]: Start accepts. Automaton has 3581 states and 4714 transitions. Word has length 220 [2019-09-08 06:08:30,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:30,452 INFO L475 AbstractCegarLoop]: Abstraction has 3581 states and 4714 transitions. [2019-09-08 06:08:30,453 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 06:08:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3581 states and 4714 transitions. [2019-09-08 06:08:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-09-08 06:08:30,461 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:30,462 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2019-09-08 06:08:30,462 INFO L418 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:30,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:30,462 INFO L82 PathProgramCache]: Analyzing trace with hash 230129314, now seen corresponding path program 1 times [2019-09-08 06:08:30,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:30,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:30,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:30,465 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 06:08:30,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-09-08 06:08:30,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:08:30,590 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:08:30,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:30,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 06:08:30,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:08:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-08 06:08:30,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:08:30,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-08 06:08:30,845 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 06:08:30,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 06:08:30,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:08:30,846 INFO L87 Difference]: Start difference. First operand 3581 states and 4714 transitions. Second operand 13 states. [2019-09-08 06:08:31,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:31,015 INFO L93 Difference]: Finished difference Result 4335 states and 5553 transitions. [2019-09-08 06:08:31,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 06:08:31,016 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2019-09-08 06:08:31,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:31,022 INFO L225 Difference]: With dead ends: 4335 [2019-09-08 06:08:31,022 INFO L226 Difference]: Without dead ends: 918 [2019-09-08 06:08:31,032 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-08 06:08:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-09-08 06:08:31,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 600. [2019-09-08 06:08:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-09-08 06:08:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 660 transitions. [2019-09-08 06:08:31,071 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 660 transitions. Word has length 220 [2019-09-08 06:08:31,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:31,072 INFO L475 AbstractCegarLoop]: Abstraction has 600 states and 660 transitions. [2019-09-08 06:08:31,072 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 06:08:31,072 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 660 transitions. [2019-09-08 06:08:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-09-08 06:08:31,081 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:31,081 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2019-09-08 06:08:31,081 INFO L418 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:31,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:31,082 INFO L82 PathProgramCache]: Analyzing trace with hash -384298310, now seen corresponding path program 3 times [2019-09-08 06:08:31,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:31,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:31,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:31,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:31,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-09-08 06:08:31,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:08:31,338 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:08:31,351 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 06:08:31,558 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-09-08 06:08:31,559 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 06:08:31,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 23 conjunts are in the unsatisfiable core [2019-09-08 06:08:31,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:08:31,686 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-08 06:08:31,692 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:08:31,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2019-09-08 06:08:31,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-08 06:08:31,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-08 06:08:31,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2019-09-08 06:08:31,694 INFO L87 Difference]: Start difference. First operand 600 states and 660 transitions. Second operand 17 states. [2019-09-08 06:08:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:33,512 INFO L93 Difference]: Finished difference Result 1084 states and 1223 transitions. [2019-09-08 06:08:33,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 06:08:33,513 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 224 [2019-09-08 06:08:33,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:33,514 INFO L225 Difference]: With dead ends: 1084 [2019-09-08 06:08:33,515 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 06:08:33,520 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 228 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=508, Unknown=0, NotChecked=0, Total=650 [2019-09-08 06:08:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 06:08:33,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 06:08:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 06:08:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 06:08:33,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2019-09-08 06:08:33,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:33,522 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 06:08:33,522 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-08 06:08:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 06:08:33,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 06:08:33,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 06:08:35,922 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2019-09-08 06:08:36,038 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 1 [2019-09-08 06:08:36,287 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 29 [2019-09-08 06:08:36,633 WARN L188 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 47 [2019-09-08 06:08:36,772 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 1 [2019-09-08 06:08:37,266 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 52 [2019-09-08 06:08:37,369 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 26 [2019-09-08 06:08:37,864 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 44 [2019-09-08 06:08:38,352 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 44 [2019-09-08 06:08:38,732 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 53 [2019-09-08 06:08:39,094 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 40 [2019-09-08 06:08:39,396 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2019-09-08 06:08:39,799 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 39 [2019-09-08 06:08:40,160 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 34 [2019-09-08 06:08:40,511 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 42 [2019-09-08 06:08:40,795 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 38 [2019-09-08 06:08:40,988 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 32 [2019-09-08 06:08:41,254 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2019-09-08 06:08:41,694 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 41 [2019-09-08 06:08:41,873 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 1 [2019-09-08 06:08:42,167 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2019-09-08 06:08:42,622 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 54 [2019-09-08 06:08:42,901 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 38 [2019-09-08 06:08:43,076 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2019-09-08 06:08:43,528 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 34 [2019-09-08 06:08:43,861 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2019-09-08 06:08:43,864 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 700) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 696 700) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 665 720) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point L690-2(lines 690 711) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point L712(lines 689 713) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 665 720) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 665 720) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-09-08 06:08:43,865 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 721 780) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L443 ceAbstractionStarter]: For program point L753-1(lines 753 757) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 721 780) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 721 780) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L443 ceAbstractionStarter]: For program point L747-2(lines 747 772) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L443 ceAbstractionStarter]: For program point L773(lines 746 774) no Hoare annotation was computed. [2019-09-08 06:08:43,866 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-08 06:08:43,867 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-08 06:08:43,867 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-08 06:08:43,867 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-08 06:08:43,867 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-08 06:08:43,867 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-08 06:08:43,867 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2019-09-08 06:08:43,868 INFO L439 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-08 06:08:43,868 INFO L439 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-08 06:08:43,868 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-09-08 06:08:43,868 INFO L443 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2019-09-08 06:08:43,868 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-09-08 06:08:43,868 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-08 06:08:43,869 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-08 06:08:43,869 INFO L439 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-08 06:08:43,869 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2019-09-08 06:08:43,869 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 222 245) no Hoare annotation was computed. [2019-09-08 06:08:43,869 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 222 245) no Hoare annotation was computed. [2019-09-08 06:08:43,869 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 222 245) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-09-08 06:08:43,870 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2019-09-08 06:08:43,871 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2019-09-08 06:08:43,871 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L446 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 488) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L503-1(line 503) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 473 508) no Hoare annotation was computed. [2019-09-08 06:08:43,872 INFO L443 ceAbstractionStarter]: For program point L492(lines 492 500) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 500) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 473 508) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 473 508) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 619 664) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 619 664) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 619 664) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 932 977) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point L952(lines 952 959) no Hoare annotation was computed. [2019-09-08 06:08:43,873 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 966) no Hoare annotation was computed. [2019-09-08 06:08:43,874 INFO L443 ceAbstractionStarter]: For program point L946-1(lines 946 966) no Hoare annotation was computed. [2019-09-08 06:08:43,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 932 977) no Hoare annotation was computed. [2019-09-08 06:08:43,874 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 932 977) no Hoare annotation was computed. [2019-09-08 06:08:43,874 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-08 06:08:43,874 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2019-09-08 06:08:43,874 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2019-09-08 06:08:43,874 INFO L439 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-08 06:08:43,874 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2019-09-08 06:08:43,874 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2019-09-08 06:08:43,875 INFO L446 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2019-09-08 06:08:43,875 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-09-08 06:08:43,875 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2019-09-08 06:08:43,875 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3) .cse4) (or .cse4 (or .cse0 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) .cse1)))) [2019-09-08 06:08:43,875 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2019-09-08 06:08:43,875 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2019-09-08 06:08:43,875 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-09-08 06:08:43,875 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-09-08 06:08:43,875 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-09-08 06:08:43,876 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2019-09-08 06:08:43,876 INFO L439 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not .cse7)) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse8 (not (<= 1 ~waterLevel~0))) (.cse0 (or .cse12 .cse5 .cse6)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse11 (or .cse9 .cse12 .cse5)) (.cse10 (not (= ~waterLevel~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 (or .cse5 .cse6 .cse7) .cse8) (or .cse9 .cse4 .cse8 .cse5 (not (= ~methAndRunningLastTime~0 0)) .cse7) (or .cse3 (or .cse0 .cse10)) (or .cse3 (or .cse11 .cse1) .cse2) (or (or .cse11 .cse10) .cse3))))) [2019-09-08 06:08:43,876 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2019-09-08 06:08:43,876 INFO L439 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse4 (or .cse0 .cse8 .cse3)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse4 .cse5) .cse6) (or .cse4 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse3 .cse7) .cse2) (or (or .cse8 .cse3 .cse7) .cse5 .cse6)))) [2019-09-08 06:08:43,876 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2019-09-08 06:08:43,876 INFO L439 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse5 .cse11 .cse9)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3))) (.cse8 (not (<= 1 ~waterLevel~0))) (.cse4 (or .cse11 .cse9 .cse10)) (.cse3 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or .cse0 .cse3) (or .cse4 .cse1 .cse2) (or .cse5 .cse6 .cse7 .cse8 .cse9 (not (= ~methAndRunningLastTime~0 0))) (or .cse6 (or .cse9 .cse10) .cse7 .cse8) (or .cse4 .cse3)))) [2019-09-08 06:08:43,877 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse10 (or .cse9 .cse5 .cse2)) (.cse8 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4) (or (or (or .cse5 .cse2 .cse3) .cse6 .cse7) .cse8) (or .cse9 .cse1 .cse4 .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse8 (or .cse10 .cse6) .cse7) (or (or .cse10 (not (= ~waterLevel~0 1))) .cse8)))) [2019-09-08 06:08:43,877 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2019-09-08 06:08:43,877 INFO L439 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse9 .cse11 .cse5)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse10 (or .cse11 .cse5 .cse6)) (.cse8 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 (or .cse5 .cse6) .cse7) (or .cse0 .cse8) (or .cse9 .cse4 .cse7 .cse5 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse10 .cse1 .cse2) (or .cse10 .cse8)))) [2019-09-08 06:08:43,877 INFO L443 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2019-09-08 06:08:43,877 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2019-09-08 06:08:43,877 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2019-09-08 06:08:43,877 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2019-09-08 06:08:43,877 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2019-09-08 06:08:43,877 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-08 06:08:43,878 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse6 (= 0 test_~splverifierCounter~0)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse1 (and (= 1 ~systemActive~0) .cse6 .cse8)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse6 .cse3 .cse4) (and .cse7 (and .cse1 .cse2 .cse3)) (and .cse7 (and (and .cse5 .cse6 .cse8) .cse3)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-09-08 06:08:43,878 INFO L439 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse7 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse6 .cse1 .cse2 .cse4) .cse7) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-08 06:08:43,878 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2019-09-08 06:08:43,878 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2019-09-08 06:08:43,878 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2019-09-08 06:08:43,878 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2019-09-08 06:08:43,878 INFO L439 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-08 06:08:43,878 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-09-08 06:08:43,878 INFO L439 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse1 .cse4) (and .cse1 .cse6 .cse7 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse5 .cse1 .cse7 .cse3) .cse6))) [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L439 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse1 .cse4 .cse5) (and (and .cse7 .cse1 .cse2 .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 886 931) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 886 931) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 886 931) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 913) no Hoare annotation was computed. [2019-09-08 06:08:43,879 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 920) no Hoare annotation was computed. [2019-09-08 06:08:43,880 INFO L443 ceAbstractionStarter]: For program point L900-1(lines 900 920) no Hoare annotation was computed. [2019-09-08 06:08:43,880 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: (or (= ~pumpRunning~0 0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0))) [2019-09-08 06:08:43,880 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2019-09-08 06:08:43,880 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2019-09-08 06:08:43,880 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2019-09-08 06:08:43,880 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-09-08 06:08:43,880 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-09-08 06:08:43,880 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse3)) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (or .cse3 .cse4)) (or .cse0 .cse5 .cse6) (or .cse5 (or .cse7 .cse3 .cse4) .cse6)))) [2019-09-08 06:08:43,881 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-09-08 06:08:43,881 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2019-09-08 06:08:43,881 INFO L439 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0)) (or .cse0 .cse1)) (or (not (<= ~waterLevel~0 1)) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (not (<= 1 ~waterLevel~0))))) [2019-09-08 06:08:43,881 INFO L443 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2019-09-08 06:08:43,881 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2019-09-08 06:08:43,881 INFO L443 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2019-09-08 06:08:43,881 INFO L446 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: true [2019-09-08 06:08:43,882 INFO L443 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2019-09-08 06:08:43,882 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) the Hoare annotation is: true [2019-09-08 06:08:43,882 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2019-09-08 06:08:43,882 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-09-08 06:08:43,882 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-09-08 06:08:43,882 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-09-08 06:08:43,882 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-09-08 06:08:43,883 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2019-09-08 06:08:43,883 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2019-09-08 06:08:43,883 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2019-09-08 06:08:43,883 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2019-09-08 06:08:43,883 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-08 06:08:43,883 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-08 06:08:43,883 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-08 06:08:43,883 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 783 885) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point L832-2(lines 832 852) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point L853(lines 831 854) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 828) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 879) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 783 885) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point L833(lines 832 852) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-09-08 06:08:43,884 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 870) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 783 885) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point L848-1(line 848) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 882) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 838) no Hoare annotation was computed. [2019-09-08 06:08:43,885 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:08:43,886 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-08 06:08:43,886 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:08:43,886 INFO L439 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4) (or (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) .cse3 .cse4 .cse0))) [2019-09-08 06:08:43,886 INFO L443 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2019-09-08 06:08:43,886 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2019-09-08 06:08:43,886 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4) (or (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) .cse3 .cse4 .cse0))) [2019-09-08 06:08:43,887 INFO L439 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3))) [2019-09-08 06:08:43,887 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2019-09-08 06:08:43,887 INFO L443 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-09-08 06:08:43,887 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-09-08 06:08:43,887 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2019-09-08 06:08:43,887 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-09-08 06:08:43,887 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2019-09-08 06:08:43,888 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-09-08 06:08:43,888 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2019-09-08 06:08:43,888 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2019-09-08 06:08:43,888 INFO L446 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2019-09-08 06:08:43,888 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2019-09-08 06:08:43,888 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-09-08 06:08:43,889 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse7 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6)) (or (or .cse1 (not (<= ~waterLevel~0 1)) .cse2 (not (<= 1 ~waterLevel~0)) .cse5 .cse6) .cse0) (or .cse7 (or .cse2 .cse5 (not (= ~waterLevel~0 1)) .cse6 .cse8)) (or (or .cse3 .cse5 .cse6 .cse8) .cse4 .cse7))) [2019-09-08 06:08:43,889 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-09-08 06:08:43,889 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-09-08 06:08:43,889 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:08:43,889 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-08 06:08:43,889 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:08:43,889 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-09-08 06:08:43,890 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2019-09-08 06:08:43,890 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-09-08 06:08:43,890 INFO L439 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (and .cse7 .cse12 .cse11)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~waterLevel~0))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9 (= 0 ~methAndRunningLastTime~0))) (or (or .cse1 (or .cse2 .cse10)) .cse5 (and .cse6 .cse7 .cse8 .cse9) .cse4) (or (or .cse6 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse10) (and .cse11 .cse12)) (or (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse6 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse3) (and .cse8 .cse9 .cse11))))) [2019-09-08 06:08:43,890 INFO L439 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (and .cse1 (<= ~waterLevel~0 1) .cse0))) (and (or (and (= 1 ~waterLevel~0) .cse0) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4)) (or (and .cse0 .cse5) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse3)) (or (and (<= 1 ~waterLevel~0) .cse7) (or .cse8 (or .cse2 .cse4)) .cse5 .cse9) (or (or .cse6 .cse8 .cse2 .cse3) .cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse0) (and .cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))))))) [2019-09-08 06:08:43,891 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (and .cse0 (= 0 ~methAndRunningLastTime~0)) .cse1) (or .cse2 .cse3 .cse4 .cse5) .cse6) (or (or .cse3 (or .cse4 .cse7)) .cse6 (and (and .cse8 .cse0) .cse1)) (or .cse8 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse7) (or .cse2 .cse8 .cse3 .cse6 .cse4 .cse5) (or .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse8 (not (<= 1 |old(~waterLevel~0)|)) .cse4 .cse5))) [2019-09-08 06:08:43,891 INFO L443 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2019-09-08 06:08:43,891 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 (or .cse1 .cse2)) .cse3 (and .cse4 .cse5)) (or (or .cse6 .cse0 .cse1 .cse7) (and .cse4 .cse5 .cse8) .cse3) (or (or .cse9 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse7 .cse2) (and (and .cse10 .cse8) .cse5)) (or (and (= 1 ~waterLevel~0) .cse10 .cse8) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse9 (not (<= 1 |old(~waterLevel~0)|)) .cse1 .cse7)) (or .cse8 (or .cse9 .cse0 .cse3 .cse1 .cse7 .cse2)))) [2019-09-08 06:08:43,891 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2019-09-08 06:08:43,892 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2019-09-08 06:08:43,892 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2019-09-08 06:08:43,892 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2019-09-08 06:08:43,892 INFO L446 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2019-09-08 06:08:43,892 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-09-08 06:08:43,892 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-09-08 06:08:43,892 INFO L446 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2019-09-08 06:08:43,893 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-08 06:08:43,893 INFO L446 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2019-09-08 06:08:43,893 INFO L446 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2019-09-08 06:08:43,893 INFO L443 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2019-09-08 06:08:43,893 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) .cse4) (or (or .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)) .cse4 .cse0))) [2019-09-08 06:08:43,893 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2019-09-08 06:08:43,894 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-09-08 06:08:43,894 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2019-09-08 06:08:43,894 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2019-09-08 06:08:43,894 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:08:43,894 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-09-08 06:08:43,894 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 06:08:43,894 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:08:43,895 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse5 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse7)) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse0 .cse4)) (or .cse3 (or .cse5 .cse1) .cse2) (or (or .cse5 .cse4) .cse3)))) [2019-09-08 06:08:43,895 INFO L439 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse4 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse7)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse0 (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse4 .cse5)) (or .cse3 (or .cse4 .cse1) .cse2) (or .cse3 (or .cse0 .cse5))))) [2019-09-08 06:08:43,895 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2019-09-08 06:08:43,895 INFO L439 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse4 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse7)) (.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5) (or (or .cse4 .cse2) .cse0 .cse3) (or .cse1 .cse5)))) [2019-09-08 06:08:43,896 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-09-08 06:08:43,896 INFO L439 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse5 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse7)) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse0 .cse4)) (or .cse3 (or .cse5 .cse1) .cse2) (or (or .cse5 .cse4) .cse3)))) [2019-09-08 06:08:43,896 INFO L443 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2019-09-08 06:08:43,896 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2019-09-08 06:08:43,896 INFO L439 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse5 .cse6)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse4 (or .cse5 .cse6 (not (= ~methaneLevelCritical~0 0)))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or .cse0 .cse3) (or .cse4 .cse1 .cse2) (or .cse4 .cse3)))) [2019-09-08 06:08:43,896 INFO L443 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2019-09-08 06:08:43,897 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-09-08 06:08:43,897 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-09-08 06:08:43,897 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse9 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (or .cse9 .cse6)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (or .cse1 .cse2 .cse3)) (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0))) (or .cse4 .cse5 .cse6 .cse2 .cse3 .cse7) (or (or .cse8 .cse9 .cse6 .cse0 .cse2) (= 1 ~waterLevel~0)) (or .cse8 .cse4 .cse1 .cse7 .cse5 .cse2)))) [2019-09-08 06:08:43,897 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2019-09-08 06:08:43,897 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-09-08 06:08:43,897 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2019-09-08 06:08:43,898 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2019-09-08 06:08:43,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:08:43 BoogieIcfgContainer [2019-09-08 06:08:43,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:08:43,917 INFO L168 Benchmark]: Toolchain (without parser) took 32130.93 ms. Allocated memory was 134.2 MB in the beginning and 766.0 MB in the end (delta: 631.8 MB). Free memory was 88.8 MB in the beginning and 72.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 657.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:43,918 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:08:43,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.05 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 164.3 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:43,919 INFO L168 Benchmark]: Boogie Preprocessor took 92.98 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 160.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:43,920 INFO L168 Benchmark]: RCFGBuilder took 1457.02 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.1 MB in the beginning and 191.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:43,921 INFO L168 Benchmark]: TraceAbstraction took 29834.00 ms. Allocated memory was 228.1 MB in the beginning and 766.0 MB in the end (delta: 537.9 MB). Free memory was 191.8 MB in the beginning and 72.2 MB in the end (delta: 119.6 MB). Peak memory consumption was 666.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:43,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.05 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 164.3 MB in the end (delta: -75.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.98 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 160.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1457.02 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.1 MB in the beginning and 191.8 MB in the end (delta: -31.7 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29834.00 ms. Allocated memory was 228.1 MB in the beginning and 766.0 MB in the end (delta: 537.9 MB). Free memory was 191.8 MB in the beginning and 72.2 MB in the end (delta: 119.6 MB). Peak memory consumption was 666.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: ((((((((((((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || ((((0 == splverifierCounter && 1 == waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 1 == waterLevel)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 1 error locations. SAFE Result, 29.7s OverallTime, 17 OverallIterations, 5 TraceHistogramMax, 12.5s AutomataDifference, 0.0s DeadEndRemovalTime, 10.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 3319 SDtfs, 4525 SDslu, 8537 SDs, 0 SdLazy, 7829 SolverSat, 2393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1748 GetRequests, 1559 SyntacticMatches, 4 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3581occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 1852 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5476 PreInvPairs, 5547 NumberOfFragments, 3118 HoareAnnotationTreeSize, 5476 FomulaSimplifications, 29043 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 65 FomulaSimplificationsInter, 40361 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3853 NumberOfCodeBlocks, 3832 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 3829 ConstructedInterpolants, 0 QuantifiedInterpolants, 1143316 SizeOfPredicates, 20 NumberOfNonLiveVariables, 7336 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 24 InterpolantComputations, 15 PerfectInterpolantSequences, 1666/1809 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...