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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:05,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:05,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:05,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:05,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:05,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:05,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:05,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:05,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:05,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:05,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:05,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:05,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:05,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:05,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:05,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:05,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:05,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:05,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:05,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:05,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:05,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:05,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:05,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:05,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:05,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:05,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:05,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:05,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:05,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:05,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:05,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:05,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:05,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:05,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:05,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:05,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:05,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:05,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:05,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:05,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:05,748 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 [2019-10-15 01:20:05,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:05,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:05,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:05,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:05,765 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:05,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:05,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:05,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:05,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:05,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:05,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:05,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:05,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:05,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:05,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:05,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:05,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:05,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:05,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:05,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:05,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:05,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:05,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:05,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:05,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:05,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:05,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:05,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:05,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:06,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:06,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:06,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:06,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:06,102 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:06,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-10-15 01:20:06,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301890180/bb9d641788244283a070b90176c7d69c/FLAG6204b24f0 [2019-10-15 01:20:06,676 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:06,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-10-15 01:20:06,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301890180/bb9d641788244283a070b90176c7d69c/FLAG6204b24f0 [2019-10-15 01:20:07,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/301890180/bb9d641788244283a070b90176c7d69c [2019-10-15 01:20:07,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:07,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:07,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:07,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:07,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:07,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07, skipping insertion in model container [2019-10-15 01:20:07,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,048 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:07,087 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:07,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:07,516 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:07,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:07,669 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:07,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07 WrapperNode [2019-10-15 01:20:07,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:07,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:07,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:07,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:07,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (1/1) ... [2019-10-15 01:20:07,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:07,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:07,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:07,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:07,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (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 [2019-10-15 01:20:07,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:07,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:07,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:07,881 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:07,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:09,004 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:09,004 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:09,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:09 BoogieIcfgContainer [2019-10-15 01:20:09,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:09,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:09,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:09,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:09,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:07" (1/3) ... [2019-10-15 01:20:09,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33de72f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:09, skipping insertion in model container [2019-10-15 01:20:09,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:07" (2/3) ... [2019-10-15 01:20:09,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33de72f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:09, skipping insertion in model container [2019-10-15 01:20:09,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:09" (3/3) ... [2019-10-15 01:20:09,017 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-10-15 01:20:09,027 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:09,038 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:09,049 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:09,072 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:09,072 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:09,072 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:09,072 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:09,073 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:09,073 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:09,073 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:09,073 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-10-15 01:20:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:09,115 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:09,116 INFO L380 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] [2019-10-15 01:20:09,118 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:09,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:09,124 INFO L82 PathProgramCache]: Analyzing trace with hash 596163892, now seen corresponding path program 1 times [2019-10-15 01:20:09,134 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:09,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554108028] [2019-10-15 01:20:09,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:09,479 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554108028] [2019-10-15 01:20:09,480 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:09,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:09,481 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045339242] [2019-10-15 01:20:09,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:09,487 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:09,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:09,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:09,504 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-10-15 01:20:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:09,548 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2019-10-15 01:20:09,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:09,550 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:09,569 INFO L225 Difference]: With dead ends: 294 [2019-10-15 01:20:09,569 INFO L226 Difference]: Without dead ends: 149 [2019-10-15 01:20:09,578 INFO L600 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 [2019-10-15 01:20:09,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-15 01:20:09,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-15 01:20:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-15 01:20:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2019-10-15 01:20:09,663 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2019-10-15 01:20:09,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:09,663 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2019-10-15 01:20:09,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2019-10-15 01:20:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:09,670 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:09,670 INFO L380 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] [2019-10-15 01:20:09,670 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:09,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:09,672 INFO L82 PathProgramCache]: Analyzing trace with hash 2035101120, now seen corresponding path program 1 times [2019-10-15 01:20:09,672 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:09,673 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791749956] [2019-10-15 01:20:09,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:09,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791749956] [2019-10-15 01:20:09,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:09,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:09,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085952223] [2019-10-15 01:20:09,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:09,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:09,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:09,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:09,846 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2019-10-15 01:20:09,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:09,881 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2019-10-15 01:20:09,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:09,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:09,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:09,885 INFO L225 Difference]: With dead ends: 239 [2019-10-15 01:20:09,885 INFO L226 Difference]: Without dead ends: 140 [2019-10-15 01:20:09,887 INFO L600 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 [2019-10-15 01:20:09,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-15 01:20:09,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-15 01:20:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-15 01:20:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2019-10-15 01:20:09,901 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2019-10-15 01:20:09,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:09,901 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2019-10-15 01:20:09,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2019-10-15 01:20:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:20:09,904 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:09,904 INFO L380 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] [2019-10-15 01:20:09,905 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:09,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:09,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2037013755, now seen corresponding path program 1 times [2019-10-15 01:20:09,905 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:09,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980419621] [2019-10-15 01:20:09,906 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,906 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:10,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980419621] [2019-10-15 01:20:10,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:10,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:10,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576790866] [2019-10-15 01:20:10,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:10,096 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:10,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:10,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:10,097 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2019-10-15 01:20:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:10,442 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2019-10-15 01:20:10,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:10,442 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 01:20:10,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:10,445 INFO L225 Difference]: With dead ends: 252 [2019-10-15 01:20:10,445 INFO L226 Difference]: Without dead ends: 140 [2019-10-15 01:20:10,447 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-15 01:20:10,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-15 01:20:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-15 01:20:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2019-10-15 01:20:10,462 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2019-10-15 01:20:10,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:10,463 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2019-10-15 01:20:10,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2019-10-15 01:20:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:20:10,470 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:10,470 INFO L380 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] [2019-10-15 01:20:10,471 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:10,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:10,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1760955875, now seen corresponding path program 1 times [2019-10-15 01:20:10,473 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:10,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320869254] [2019-10-15 01:20:10,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:10,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:10,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:10,671 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320869254] [2019-10-15 01:20:10,671 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:10,671 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:10,671 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55178833] [2019-10-15 01:20:10,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:10,672 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:10,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:10,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:10,673 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2019-10-15 01:20:11,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:11,178 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2019-10-15 01:20:11,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:11,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-15 01:20:11,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:11,184 INFO L225 Difference]: With dead ends: 355 [2019-10-15 01:20:11,185 INFO L226 Difference]: Without dead ends: 243 [2019-10-15 01:20:11,186 INFO L600 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 [2019-10-15 01:20:11,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-10-15 01:20:11,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2019-10-15 01:20:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-15 01:20:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2019-10-15 01:20:11,214 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2019-10-15 01:20:11,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:11,214 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2019-10-15 01:20:11,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:11,214 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2019-10-15 01:20:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:20:11,217 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:11,217 INFO L380 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] [2019-10-15 01:20:11,217 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:11,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:11,217 INFO L82 PathProgramCache]: Analyzing trace with hash 454740656, now seen corresponding path program 1 times [2019-10-15 01:20:11,218 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:11,218 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696452213] [2019-10-15 01:20:11,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,218 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:11,358 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696452213] [2019-10-15 01:20:11,359 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:11,359 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:11,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818391080] [2019-10-15 01:20:11,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:11,360 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:11,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:11,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:11,360 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 6 states. [2019-10-15 01:20:11,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:11,591 INFO L93 Difference]: Finished difference Result 598 states and 704 transitions. [2019-10-15 01:20:11,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:11,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:20:11,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:11,596 INFO L225 Difference]: With dead ends: 598 [2019-10-15 01:20:11,596 INFO L226 Difference]: Without dead ends: 402 [2019-10-15 01:20:11,597 INFO L600 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 [2019-10-15 01:20:11,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-15 01:20:11,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 396. [2019-10-15 01:20:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-15 01:20:11,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 452 transitions. [2019-10-15 01:20:11,658 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 452 transitions. Word has length 84 [2019-10-15 01:20:11,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:11,659 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 452 transitions. [2019-10-15 01:20:11,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 452 transitions. [2019-10-15 01:20:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:20:11,667 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:11,668 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:11,668 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:11,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:11,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1923981492, now seen corresponding path program 1 times [2019-10-15 01:20:11,669 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:11,669 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926672390] [2019-10-15 01:20:11,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,670 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:11,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926672390] [2019-10-15 01:20:11,820 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:11,820 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:11,820 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943973036] [2019-10-15 01:20:11,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:11,821 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:11,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:11,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:11,822 INFO L87 Difference]: Start difference. First operand 396 states and 452 transitions. Second operand 7 states. [2019-10-15 01:20:12,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,473 INFO L93 Difference]: Finished difference Result 795 states and 932 transitions. [2019-10-15 01:20:12,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:12,473 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-10-15 01:20:12,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,477 INFO L225 Difference]: With dead ends: 795 [2019-10-15 01:20:12,477 INFO L226 Difference]: Without dead ends: 427 [2019-10-15 01:20:12,499 INFO L600 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 [2019-10-15 01:20:12,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-10-15 01:20:12,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 395. [2019-10-15 01:20:12,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-15 01:20:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 449 transitions. [2019-10-15 01:20:12,530 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 449 transitions. Word has length 88 [2019-10-15 01:20:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,530 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 449 transitions. [2019-10-15 01:20:12,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 449 transitions. [2019-10-15 01:20:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:12,532 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,533 INFO L380 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] [2019-10-15 01:20:12,533 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,533 INFO L82 PathProgramCache]: Analyzing trace with hash -282041291, now seen corresponding path program 1 times [2019-10-15 01:20:12,534 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,534 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638798084] [2019-10-15 01:20:12,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,534 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:12,622 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638798084] [2019-10-15 01:20:12,622 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:12,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388386627] [2019-10-15 01:20:12,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:12,624 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:12,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:12,625 INFO L87 Difference]: Start difference. First operand 395 states and 449 transitions. Second operand 6 states. [2019-10-15 01:20:12,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,669 INFO L93 Difference]: Finished difference Result 776 states and 902 transitions. [2019-10-15 01:20:12,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:12,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-15 01:20:12,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,673 INFO L225 Difference]: With dead ends: 776 [2019-10-15 01:20:12,673 INFO L226 Difference]: Without dead ends: 409 [2019-10-15 01:20:12,674 INFO L600 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 [2019-10-15 01:20:12,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-15 01:20:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 405. [2019-10-15 01:20:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2019-10-15 01:20:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 459 transitions. [2019-10-15 01:20:12,715 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 459 transitions. Word has length 104 [2019-10-15 01:20:12,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,716 INFO L462 AbstractCegarLoop]: Abstraction has 405 states and 459 transitions. [2019-10-15 01:20:12,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:12,716 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 459 transitions. [2019-10-15 01:20:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:12,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,719 INFO L380 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] [2019-10-15 01:20:12,719 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1646231411, now seen corresponding path program 1 times [2019-10-15 01:20:12,720 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551103610] [2019-10-15 01:20:12,720 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,721 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:12,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551103610] [2019-10-15 01:20:12,818 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:12,818 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829577134] [2019-10-15 01:20:12,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:12,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:12,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:12,819 INFO L87 Difference]: Start difference. First operand 405 states and 459 transitions. Second operand 8 states. [2019-10-15 01:20:12,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,865 INFO L93 Difference]: Finished difference Result 796 states and 924 transitions. [2019-10-15 01:20:12,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:12,866 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-15 01:20:12,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,869 INFO L225 Difference]: With dead ends: 796 [2019-10-15 01:20:12,869 INFO L226 Difference]: Without dead ends: 419 [2019-10-15 01:20:12,870 INFO L600 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 [2019-10-15 01:20:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-15 01:20:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 413. [2019-10-15 01:20:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-15 01:20:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 467 transitions. [2019-10-15 01:20:12,894 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 467 transitions. Word has length 104 [2019-10-15 01:20:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,895 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 467 transitions. [2019-10-15 01:20:12,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 467 transitions. [2019-10-15 01:20:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-15 01:20:12,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,897 INFO L380 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] [2019-10-15 01:20:12,897 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1405691282, now seen corresponding path program 1 times [2019-10-15 01:20:12,898 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830657540] [2019-10-15 01:20:12,898 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:12,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830657540] [2019-10-15 01:20:12,969 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:12,970 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370757196] [2019-10-15 01:20:12,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:12,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:12,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:12,971 INFO L87 Difference]: Start difference. First operand 413 states and 467 transitions. Second operand 4 states. [2019-10-15 01:20:13,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:13,215 INFO L93 Difference]: Finished difference Result 1218 states and 1446 transitions. [2019-10-15 01:20:13,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:13,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-15 01:20:13,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:13,229 INFO L225 Difference]: With dead ends: 1218 [2019-10-15 01:20:13,229 INFO L226 Difference]: Without dead ends: 833 [2019-10-15 01:20:13,232 INFO L600 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 [2019-10-15 01:20:13,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-10-15 01:20:13,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 818. [2019-10-15 01:20:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2019-10-15 01:20:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 951 transitions. [2019-10-15 01:20:13,302 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 951 transitions. Word has length 104 [2019-10-15 01:20:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:13,303 INFO L462 AbstractCegarLoop]: Abstraction has 818 states and 951 transitions. [2019-10-15 01:20:13,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 951 transitions. [2019-10-15 01:20:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:13,308 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:13,308 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:13,308 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:13,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:13,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1820843884, now seen corresponding path program 1 times [2019-10-15 01:20:13,309 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:13,309 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84869984] [2019-10-15 01:20:13,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,310 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:13,573 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84869984] [2019-10-15 01:20:13,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914812468] [2019-10-15 01:20:13,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:13,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:13,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:14,173 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:15,143 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:15,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:15,144 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385032341] [2019-10-15 01:20:15,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:15,150 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:15,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:15,151 INFO L87 Difference]: Start difference. First operand 818 states and 951 transitions. Second operand 8 states. [2019-10-15 01:20:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,612 INFO L93 Difference]: Finished difference Result 1579 states and 1846 transitions. [2019-10-15 01:20:15,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:15,613 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:20:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,618 INFO L225 Difference]: With dead ends: 1579 [2019-10-15 01:20:15,619 INFO L226 Difference]: Without dead ends: 789 [2019-10-15 01:20:15,622 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 199 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-10-15 01:20:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2019-10-15 01:20:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-10-15 01:20:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 903 transitions. [2019-10-15 01:20:15,670 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 903 transitions. Word has length 108 [2019-10-15 01:20:15,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,671 INFO L462 AbstractCegarLoop]: Abstraction has 789 states and 903 transitions. [2019-10-15 01:20:15,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 903 transitions. [2019-10-15 01:20:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-15 01:20:15,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,676 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:15,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:15,883 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,884 INFO L82 PathProgramCache]: Analyzing trace with hash -891659702, now seen corresponding path program 1 times [2019-10-15 01:20:15,888 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192867038] [2019-10-15 01:20:15,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:20:16,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192867038] [2019-10-15 01:20:16,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:16,053 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024567732] [2019-10-15 01:20:16,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:16,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:16,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:16,055 INFO L87 Difference]: Start difference. First operand 789 states and 903 transitions. Second operand 3 states. [2019-10-15 01:20:16,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,125 INFO L93 Difference]: Finished difference Result 1272 states and 1488 transitions. [2019-10-15 01:20:16,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:16,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-15 01:20:16,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,133 INFO L225 Difference]: With dead ends: 1272 [2019-10-15 01:20:16,134 INFO L226 Difference]: Without dead ends: 1269 [2019-10-15 01:20:16,135 INFO L600 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 [2019-10-15 01:20:16,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2019-10-15 01:20:16,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 935. [2019-10-15 01:20:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2019-10-15 01:20:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1090 transitions. [2019-10-15 01:20:16,259 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1090 transitions. Word has length 162 [2019-10-15 01:20:16,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,260 INFO L462 AbstractCegarLoop]: Abstraction has 935 states and 1090 transitions. [2019-10-15 01:20:16,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:16,260 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1090 transitions. [2019-10-15 01:20:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-15 01:20:16,265 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,266 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:20:16,266 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1557756072, now seen corresponding path program 1 times [2019-10-15 01:20:16,267 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,267 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814284863] [2019-10-15 01:20:16,267 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,267 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:20:16,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814284863] [2019-10-15 01:20:16,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214887479] [2019-10-15 01:20:16,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:20:16,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:16,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-15 01:20:17,065 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:17,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:17,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:17,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:17,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:17,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:20:17,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1309413978] [2019-10-15 01:20:17,673 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 224 [2019-10-15 01:20:17,719 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:17,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:17,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:17,787 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:20:17,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,792 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:17,859 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:17,859 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:17,864 INFO L553 sIntCurrentIteration]: We unified 222 AI predicates to 222 [2019-10-15 01:20:17,865 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:17,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:17,866 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 10, 10] total 17 [2019-10-15 01:20:17,866 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842722333] [2019-10-15 01:20:17,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:17,868 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,868 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:17,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:17,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:17,868 INFO L87 Difference]: Start difference. First operand 935 states and 1090 transitions. Second operand 2 states. [2019-10-15 01:20:17,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,885 INFO L93 Difference]: Finished difference Result 935 states and 1090 transitions. [2019-10-15 01:20:17,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:17,885 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 223 [2019-10-15 01:20:17,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,886 INFO L225 Difference]: With dead ends: 935 [2019-10-15 01:20:17,886 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:17,888 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:17,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:17,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2019-10-15 01:20:17,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,890 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:17,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:17,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:18,096 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:18,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:18,448 INFO L443 ceAbstractionStarter]: For program point L250(lines 227 251) no Hoare annotation was computed. [2019-10-15 01:20:18,448 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 203 258) no Hoare annotation was computed. [2019-10-15 01:20:18,448 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:20:18,449 INFO L443 ceAbstractionStarter]: For program point L234-1(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:20:18,449 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 203 258) no Hoare annotation was computed. [2019-10-15 01:20:18,449 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-15 01:20:18,449 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 203 258) no Hoare annotation was computed. [2019-10-15 01:20:18,449 INFO L443 ceAbstractionStarter]: For program point L228-2(lines 228 249) no Hoare annotation was computed. [2019-10-15 01:20:18,450 INFO L443 ceAbstractionStarter]: For program point L286(line 286) no Hoare annotation was computed. [2019-10-15 01:20:18,450 INFO L443 ceAbstractionStarter]: For program point L285-2(lines 285 310) no Hoare annotation was computed. [2019-10-15 01:20:18,450 INFO L443 ceAbstractionStarter]: For program point L311(lines 284 312) no Hoare annotation was computed. [2019-10-15 01:20:18,450 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 259 318) no Hoare annotation was computed. [2019-10-15 01:20:18,450 INFO L443 ceAbstractionStarter]: For program point L304(line 304) no Hoare annotation was computed. [2019-10-15 01:20:18,450 INFO L443 ceAbstractionStarter]: For program point L304-1(line 304) no Hoare annotation was computed. [2019-10-15 01:20:18,451 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 259 318) no Hoare annotation was computed. [2019-10-15 01:20:18,451 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 259 318) no Hoare annotation was computed. [2019-10-15 01:20:18,451 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 295) no Hoare annotation was computed. [2019-10-15 01:20:18,451 INFO L443 ceAbstractionStarter]: For program point L291-1(lines 291 295) no Hoare annotation was computed. [2019-10-15 01:20:18,452 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2019-10-15 01:20:18,452 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2019-10-15 01:20:18,452 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2019-10-15 01:20:18,452 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2019-10-15 01:20:18,452 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2019-10-15 01:20:18,453 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: true [2019-10-15 01:20:18,453 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2019-10-15 01:20:18,453 INFO L446 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2019-10-15 01:20:18,453 INFO L446 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: true [2019-10-15 01:20:18,453 INFO L443 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2019-10-15 01:20:18,454 INFO L443 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2019-10-15 01:20:18,454 INFO L443 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2019-10-15 01:20:18,454 INFO L446 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: true [2019-10-15 01:20:18,454 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2019-10-15 01:20:18,454 INFO L446 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: true [2019-10-15 01:20:18,454 INFO L446 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: true [2019-10-15 01:20:18,455 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-15 01:20:18,455 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2019-10-15 01:20:18,455 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2019-10-15 01:20:18,455 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2019-10-15 01:20:18,455 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-15 01:20:18,456 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-15 01:20:18,456 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-15 01:20:18,456 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-15 01:20:18,456 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-15 01:20:18,456 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-15 01:20:18,457 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-15 01:20:18,457 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-15 01:20:18,457 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-15 01:20:18,457 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-15 01:20:18,457 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-15 01:20:18,458 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-15 01:20:18,458 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-15 01:20:18,458 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2019-10-15 01:20:18,458 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2019-10-15 01:20:18,458 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2019-10-15 01:20:18,459 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-10-15 01:20:18,459 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-15 01:20:18,459 INFO L443 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2019-10-15 01:20:18,459 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2019-10-15 01:20:18,460 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-10-15 01:20:18,460 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2019-10-15 01:20:18,460 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2019-10-15 01:20:18,460 INFO L443 ceAbstractionStarter]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2019-10-15 01:20:18,460 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-15 01:20:18,461 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-15 01:20:18,461 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-10-15 01:20:18,461 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2019-10-15 01:20:18,461 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-10-15 01:20:18,461 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2019-10-15 01:20:18,461 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 747) no Hoare annotation was computed. [2019-10-15 01:20:18,461 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2019-10-15 01:20:18,462 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2019-10-15 01:20:18,462 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2019-10-15 01:20:18,462 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 157 202) no Hoare annotation was computed. [2019-10-15 01:20:18,462 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 157 202) no Hoare annotation was computed. [2019-10-15 01:20:18,462 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 157 202) no Hoare annotation was computed. [2019-10-15 01:20:18,462 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 470 515) no Hoare annotation was computed. [2019-10-15 01:20:18,463 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 470 515) no Hoare annotation was computed. [2019-10-15 01:20:18,463 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 497) no Hoare annotation was computed. [2019-10-15 01:20:18,463 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 470 515) no Hoare annotation was computed. [2019-10-15 01:20:18,463 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 504) no Hoare annotation was computed. [2019-10-15 01:20:18,463 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 484 504) no Hoare annotation was computed. [2019-10-15 01:20:18,463 INFO L446 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2019-10-15 01:20:18,464 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: true [2019-10-15 01:20:18,464 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2019-10-15 01:20:18,464 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2019-10-15 01:20:18,464 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2019-10-15 01:20:18,464 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-15 01:20:18,464 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-10-15 01:20:18,465 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2019-10-15 01:20:18,465 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2019-10-15 01:20:18,465 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: true [2019-10-15 01:20:18,465 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2019-10-15 01:20:18,465 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2019-10-15 01:20:18,465 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:20:18,465 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-15 01:20:18,466 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-15 01:20:18,466 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:20:18,466 INFO L446 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: true [2019-10-15 01:20:18,466 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2019-10-15 01:20:18,466 INFO L446 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: true [2019-10-15 01:20:18,466 INFO L446 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: true [2019-10-15 01:20:18,466 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2019-10-15 01:20:18,467 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-10-15 01:20:18,467 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: true [2019-10-15 01:20:18,467 INFO L446 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: true [2019-10-15 01:20:18,467 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-15 01:20:18,467 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2019-10-15 01:20:18,467 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2019-10-15 01:20:18,467 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2019-10-15 01:20:18,468 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: true [2019-10-15 01:20:18,468 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2019-10-15 01:20:18,468 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2019-10-15 01:20:18,468 INFO L446 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: true [2019-10-15 01:20:18,468 INFO L443 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2019-10-15 01:20:18,468 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-15 01:20:18,468 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2019-10-15 01:20:18,469 INFO L446 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: true [2019-10-15 01:20:18,469 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-10-15 01:20:18,469 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2019-10-15 01:20:18,469 INFO L446 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: true [2019-10-15 01:20:18,469 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-10-15 01:20:18,469 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2019-10-15 01:20:18,469 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2019-10-15 01:20:18,470 INFO L443 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2019-10-15 01:20:18,470 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2019-10-15 01:20:18,470 INFO L446 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: true [2019-10-15 01:20:18,470 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 451) no Hoare annotation was computed. [2019-10-15 01:20:18,470 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 424 469) no Hoare annotation was computed. [2019-10-15 01:20:18,470 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 458) no Hoare annotation was computed. [2019-10-15 01:20:18,471 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 438 458) no Hoare annotation was computed. [2019-10-15 01:20:18,471 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 424 469) no Hoare annotation was computed. [2019-10-15 01:20:18,471 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 424 469) no Hoare annotation was computed. [2019-10-15 01:20:18,471 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: true [2019-10-15 01:20:18,471 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2019-10-15 01:20:18,471 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2019-10-15 01:20:18,472 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:20:18,472 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-15 01:20:18,472 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:20:18,472 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-10-15 01:20:18,472 INFO L443 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2019-10-15 01:20:18,473 INFO L446 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2019-10-15 01:20:18,473 INFO L443 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2019-10-15 01:20:18,473 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: true [2019-10-15 01:20:18,473 INFO L446 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2019-10-15 01:20:18,473 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2019-10-15 01:20:18,473 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2019-10-15 01:20:18,473 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2019-10-15 01:20:18,474 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-15 01:20:18,474 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-15 01:20:18,474 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:20:18,474 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:20:18,474 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:20:18,474 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:20:18,474 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:20:18,474 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: true [2019-10-15 01:20:18,475 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2019-10-15 01:20:18,475 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2019-10-15 01:20:18,475 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-15 01:20:18,475 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 321 423) no Hoare annotation was computed. [2019-10-15 01:20:18,475 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-10-15 01:20:18,475 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 420) no Hoare annotation was computed. [2019-10-15 01:20:18,475 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-10-15 01:20:18,476 INFO L443 ceAbstractionStarter]: For program point L370-2(lines 370 390) no Hoare annotation was computed. [2019-10-15 01:20:18,476 INFO L443 ceAbstractionStarter]: For program point L391(lines 369 392) no Hoare annotation was computed. [2019-10-15 01:20:18,476 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 321 423) no Hoare annotation was computed. [2019-10-15 01:20:18,476 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 366) no Hoare annotation was computed. [2019-10-15 01:20:18,476 INFO L443 ceAbstractionStarter]: For program point L410(lines 410 417) no Hoare annotation was computed. [2019-10-15 01:20:18,476 INFO L443 ceAbstractionStarter]: For program point L371(lines 370 390) no Hoare annotation was computed. [2019-10-15 01:20:18,476 INFO L443 ceAbstractionStarter]: For program point L402(line 402) no Hoare annotation was computed. [2019-10-15 01:20:18,477 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 321 423) no Hoare annotation was computed. [2019-10-15 01:20:18,477 INFO L443 ceAbstractionStarter]: For program point L402-1(line 402) no Hoare annotation was computed. [2019-10-15 01:20:18,477 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 408) no Hoare annotation was computed. [2019-10-15 01:20:18,477 INFO L443 ceAbstractionStarter]: For program point L386(line 386) no Hoare annotation was computed. [2019-10-15 01:20:18,477 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 859 868) no Hoare annotation was computed. [2019-10-15 01:20:18,477 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 859 868) no Hoare annotation was computed. [2019-10-15 01:20:18,477 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 859 868) no Hoare annotation was computed. [2019-10-15 01:20:18,478 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:18,478 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:18,478 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:18,478 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2019-10-15 01:20:18,478 INFO L446 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: true [2019-10-15 01:20:18,478 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2019-10-15 01:20:18,478 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: true [2019-10-15 01:20:18,479 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-10-15 01:20:18,479 INFO L446 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2019-10-15 01:20:18,479 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-15 01:20:18,479 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:20:18,479 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:20:18,479 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:20:18,479 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2019-10-15 01:20:18,480 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2019-10-15 01:20:18,480 INFO L446 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2019-10-15 01:20:18,480 INFO L443 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2019-10-15 01:20:18,480 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-15 01:20:18,480 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2019-10-15 01:20:18,480 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2019-10-15 01:20:18,481 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:20:18,481 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-15 01:20:18,481 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:20:18,481 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:18,481 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:18,481 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:18,481 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-15 01:20:18,482 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:20:18,482 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:20:18,482 INFO L446 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2019-10-15 01:20:18,482 INFO L446 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: true [2019-10-15 01:20:18,482 INFO L446 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2019-10-15 01:20:18,482 INFO L443 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2019-10-15 01:20:18,482 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: true [2019-10-15 01:20:18,483 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2019-10-15 01:20:18,483 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2019-10-15 01:20:18,483 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2019-10-15 01:20:18,483 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2019-10-15 01:20:18,483 INFO L446 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2019-10-15 01:20:18,483 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-15 01:20:18,484 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-10-15 01:20:18,484 INFO L446 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2019-10-15 01:20:18,484 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-10-15 01:20:18,484 INFO L446 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2019-10-15 01:20:18,484 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-10-15 01:20:18,484 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-10-15 01:20:18,484 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-10-15 01:20:18,485 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:20:18,485 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:20:18,485 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-15 01:20:18,485 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2019-10-15 01:20:18,485 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:18,485 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:18,485 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:18,486 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:18,486 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2019-10-15 01:20:18,486 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: true [2019-10-15 01:20:18,486 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2019-10-15 01:20:18,486 INFO L446 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: true [2019-10-15 01:20:18,486 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: true [2019-10-15 01:20:18,486 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-10-15 01:20:18,487 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2019-10-15 01:20:18,487 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-10-15 01:20:18,487 INFO L446 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: true [2019-10-15 01:20:18,487 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-10-15 01:20:18,487 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-10-15 01:20:18,487 INFO L446 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: true [2019-10-15 01:20:18,487 INFO L443 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2019-10-15 01:20:18,488 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:20:18,488 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:20:18,488 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-10-15 01:20:18,488 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2019-10-15 01:20:18,488 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-10-15 01:20:18,488 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2019-10-15 01:20:18,489 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2019-10-15 01:20:18,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:18 BoogieIcfgContainer [2019-10-15 01:20:18,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:18,501 INFO L168 Benchmark]: Toolchain (without parser) took 11469.12 ms. Allocated memory was 136.3 MB in the beginning and 414.7 MB in the end (delta: 278.4 MB). Free memory was 99.8 MB in the beginning and 87.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 290.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:18,502 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:18,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.29 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 168.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:18,503 INFO L168 Benchmark]: Boogie Preprocessor took 132.00 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 164.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:18,504 INFO L168 Benchmark]: RCFGBuilder took 1204.05 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.7 MB in the beginning and 193.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:18,505 INFO L168 Benchmark]: TraceAbstraction took 9489.90 ms. Allocated memory was 229.6 MB in the beginning and 414.7 MB in the end (delta: 185.1 MB). Free memory was 191.8 MB in the beginning and 87.5 MB in the end (delta: 104.3 MB). Peak memory consumption was 289.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:18,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.29 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 168.7 MB in the end (delta: -69.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.00 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 164.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1204.05 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.7 MB in the beginning and 193.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9489.90 ms. Allocated memory was 229.6 MB in the beginning and 414.7 MB in the end (delta: 185.1 MB). Free memory was 191.8 MB in the beginning and 87.5 MB in the end (delta: 104.3 MB). Peak memory consumption was 289.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Result: SAFE, OverallTime: 9.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 2054 SDtfs, 1080 SDslu, 4538 SDs, 0 SdLazy, 1410 SolverSat, 259 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 548 GetRequests, 471 SyntacticMatches, 7 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=935occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 416 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1542 PreInvPairs, 1543 NumberOfFragments, 69 HoareAnnotationTreeSize, 1542 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1538 NumberOfCodeBlocks, 1538 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1853 ConstructedInterpolants, 0 QuantifiedInterpolants, 470647 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1916 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 362/437 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 119, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7387387387387387, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...