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_spec5_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:56,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:56,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:56,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:56,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:56,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:56,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:56,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:56,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:56,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:56,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:56,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:56,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:56,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:56,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:56,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:56,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:56,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:56,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:56,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:56,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:56,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:56,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:56,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:56,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:56,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:56,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:56,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:56,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:56,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:56,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:56,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:56,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:56,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:56,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:56,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:56,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:56,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:56,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:56,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:56,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:56,827 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 01:21:56,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:56,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:56,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:56,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:56,849 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:56,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:56,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:56,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:56,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:56,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:56,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:56,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:56,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:56,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:56,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:56,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:56,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:56,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:56,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:56,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:56,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:56,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:56,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:56,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:56,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:56,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:56,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:56,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:56,855 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 01:21:57,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:57,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:57,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:57,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:57,206 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:57,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2019-10-15 01:21:57,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c57183cb/2270200b726b4788b8b3718f6e463bb3/FLAG99c97c413 [2019-10-15 01:21:57,885 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:57,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2019-10-15 01:21:57,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c57183cb/2270200b726b4788b8b3718f6e463bb3/FLAG99c97c413 [2019-10-15 01:21:58,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c57183cb/2270200b726b4788b8b3718f6e463bb3 [2019-10-15 01:21:58,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:58,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:58,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:58,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:58,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:58,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4554b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58, skipping insertion in model container [2019-10-15 01:21:58,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:58,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:58,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:58,740 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:58,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:58,884 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:58,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58 WrapperNode [2019-10-15 01:21:58,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:58,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:58,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:58,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:58,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (1/1) ... [2019-10-15 01:21:58,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:58,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:58,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:58,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:58,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (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 01:21:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:59,066 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:22:00,263 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:22:00,263 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:22:00,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:00 BoogieIcfgContainer [2019-10-15 01:22:00,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:22:00,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:22:00,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:22:00,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:22:00,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:58" (1/3) ... [2019-10-15 01:22:00,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64914b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:00, skipping insertion in model container [2019-10-15 01:22:00,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:58" (2/3) ... [2019-10-15 01:22:00,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64914b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:00, skipping insertion in model container [2019-10-15 01:22:00,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:00" (3/3) ... [2019-10-15 01:22:00,274 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2019-10-15 01:22:00,285 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:22:00,294 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:22:00,306 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:22:00,341 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:22:00,341 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:22:00,342 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:22:00,342 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:22:00,342 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:22:00,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:22:00,342 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:22:00,342 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:22:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2019-10-15 01:22:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:22:00,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:00,378 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] [2019-10-15 01:22:00,380 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:00,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:00,386 INFO L82 PathProgramCache]: Analyzing trace with hash -229262266, now seen corresponding path program 1 times [2019-10-15 01:22:00,396 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:00,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524510055] [2019-10-15 01:22:00,396 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:00,791 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 01:22:00,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524510055] [2019-10-15 01:22:00,793 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:00,793 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:22:00,794 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663914093] [2019-10-15 01:22:00,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:00,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:00,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:00,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:00,820 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2019-10-15 01:22:00,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:00,868 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2019-10-15 01:22:00,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:00,869 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:22:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:00,883 INFO L225 Difference]: With dead ends: 310 [2019-10-15 01:22:00,884 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:22:00,889 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 01:22:00,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:22:00,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:22:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:22:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2019-10-15 01:22:00,962 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2019-10-15 01:22:00,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:00,963 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2019-10-15 01:22:00,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2019-10-15 01:22:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:22:00,973 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:00,975 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] [2019-10-15 01:22:00,975 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:00,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:00,976 INFO L82 PathProgramCache]: Analyzing trace with hash -751857026, now seen corresponding path program 1 times [2019-10-15 01:22:00,977 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:00,977 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607351443] [2019-10-15 01:22:00,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,140 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 01:22:01,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607351443] [2019-10-15 01:22:01,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:22:01,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339426114] [2019-10-15 01:22:01,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:22:01,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:22:01,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:22:01,147 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 3 states. [2019-10-15 01:22:01,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,202 INFO L93 Difference]: Finished difference Result 255 states and 295 transitions. [2019-10-15 01:22:01,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:22:01,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:22:01,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,208 INFO L225 Difference]: With dead ends: 255 [2019-10-15 01:22:01,209 INFO L226 Difference]: Without dead ends: 148 [2019-10-15 01:22:01,212 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 01:22:01,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-15 01:22:01,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-10-15 01:22:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-10-15 01:22:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2019-10-15 01:22:01,229 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2019-10-15 01:22:01,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,229 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2019-10-15 01:22:01,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:22:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2019-10-15 01:22:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:22:01,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,232 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] [2019-10-15 01:22:01,232 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,233 INFO L82 PathProgramCache]: Analyzing trace with hash -8533593, now seen corresponding path program 1 times [2019-10-15 01:22:01,233 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,233 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234714152] [2019-10-15 01:22:01,233 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,373 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 01:22:01,374 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234714152] [2019-10-15 01:22:01,374 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,374 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:01,374 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736306279] [2019-10-15 01:22:01,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:01,375 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:01,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:01,376 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 7 states. [2019-10-15 01:22:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,854 INFO L93 Difference]: Finished difference Result 268 states and 313 transitions. [2019-10-15 01:22:01,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:01,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-15 01:22:01,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,857 INFO L225 Difference]: With dead ends: 268 [2019-10-15 01:22:01,857 INFO L226 Difference]: Without dead ends: 148 [2019-10-15 01:22:01,859 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 01:22:01,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-15 01:22:01,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-10-15 01:22:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-10-15 01:22:01,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2019-10-15 01:22:01,879 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2019-10-15 01:22:01,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,882 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2019-10-15 01:22:01,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2019-10-15 01:22:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-15 01:22:01,884 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,885 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] [2019-10-15 01:22:01,885 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,885 INFO L82 PathProgramCache]: Analyzing trace with hash -2138732759, now seen corresponding path program 1 times [2019-10-15 01:22:01,886 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409017644] [2019-10-15 01:22:01,886 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,886 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:02,013 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 01:22:02,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409017644] [2019-10-15 01:22:02,014 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:02,014 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:22:02,014 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212168725] [2019-10-15 01:22:02,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:22:02,015 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:02,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:22:02,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:22:02,016 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 5 states. [2019-10-15 01:22:02,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:02,620 INFO L93 Difference]: Finished difference Result 376 states and 449 transitions. [2019-10-15 01:22:02,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:22:02,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-15 01:22:02,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:02,627 INFO L225 Difference]: With dead ends: 376 [2019-10-15 01:22:02,627 INFO L226 Difference]: Without dead ends: 256 [2019-10-15 01:22:02,630 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 01:22:02,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-10-15 01:22:02,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 237. [2019-10-15 01:22:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-10-15 01:22:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 270 transitions. [2019-10-15 01:22:02,673 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 270 transitions. Word has length 78 [2019-10-15 01:22:02,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:02,676 INFO L462 AbstractCegarLoop]: Abstraction has 237 states and 270 transitions. [2019-10-15 01:22:02,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:22:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 270 transitions. [2019-10-15 01:22:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-15 01:22:02,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:02,681 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] [2019-10-15 01:22:02,681 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:02,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:02,682 INFO L82 PathProgramCache]: Analyzing trace with hash 2116914143, now seen corresponding path program 1 times [2019-10-15 01:22:02,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:02,685 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770539040] [2019-10-15 01:22:02,685 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:02,686 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:02,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:02,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:22:02,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770539040] [2019-10-15 01:22:02,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:02,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:02,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164524811] [2019-10-15 01:22:02,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:02,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:02,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:02,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:02,892 INFO L87 Difference]: Start difference. First operand 237 states and 270 transitions. Second operand 7 states. [2019-10-15 01:22:03,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:03,620 INFO L93 Difference]: Finished difference Result 464 states and 545 transitions. [2019-10-15 01:22:03,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:22:03,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-10-15 01:22:03,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:03,624 INFO L225 Difference]: With dead ends: 464 [2019-10-15 01:22:03,624 INFO L226 Difference]: Without dead ends: 255 [2019-10-15 01:22:03,626 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:22:03,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-10-15 01:22:03,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 236. [2019-10-15 01:22:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-10-15 01:22:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2019-10-15 01:22:03,657 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 92 [2019-10-15 01:22:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:03,661 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2019-10-15 01:22:03,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2019-10-15 01:22:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:22:03,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:03,665 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 01:22:03,665 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:03,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:03,666 INFO L82 PathProgramCache]: Analyzing trace with hash 660673946, now seen corresponding path program 1 times [2019-10-15 01:22:03,666 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:03,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310306522] [2019-10-15 01:22:03,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:03,767 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 01:22:03,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310306522] [2019-10-15 01:22:03,767 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:03,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:22:03,768 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597802349] [2019-10-15 01:22:03,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:22:03,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:03,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:22:03,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:22:03,770 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand 6 states. [2019-10-15 01:22:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:03,803 INFO L93 Difference]: Finished difference Result 451 states and 522 transitions. [2019-10-15 01:22:03,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:03,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-15 01:22:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:03,806 INFO L225 Difference]: With dead ends: 451 [2019-10-15 01:22:03,806 INFO L226 Difference]: Without dead ends: 243 [2019-10-15 01:22:03,807 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 01:22:03,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-10-15 01:22:03,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2019-10-15 01:22:03,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2019-10-15 01:22:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2019-10-15 01:22:03,825 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 108 [2019-10-15 01:22:03,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:03,826 INFO L462 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2019-10-15 01:22:03,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:22:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2019-10-15 01:22:03,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:22:03,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:03,828 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 01:22:03,828 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:03,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:03,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1706020648, now seen corresponding path program 1 times [2019-10-15 01:22:03,829 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:03,829 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411393683] [2019-10-15 01:22:03,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,829 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:03,916 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 01:22:03,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411393683] [2019-10-15 01:22:03,916 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:03,917 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:22:03,917 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406025906] [2019-10-15 01:22:03,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:22:03,918 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:03,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:22:03,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:03,918 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand 8 states. [2019-10-15 01:22:03,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:03,953 INFO L93 Difference]: Finished difference Result 461 states and 533 transitions. [2019-10-15 01:22:03,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:22:03,953 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:22:03,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:03,955 INFO L225 Difference]: With dead ends: 461 [2019-10-15 01:22:03,956 INFO L226 Difference]: Without dead ends: 248 [2019-10-15 01:22:03,956 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 01:22:03,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-10-15 01:22:03,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2019-10-15 01:22:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-10-15 01:22:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 276 transitions. [2019-10-15 01:22:03,980 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 276 transitions. Word has length 108 [2019-10-15 01:22:03,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:03,980 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 276 transitions. [2019-10-15 01:22:03,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:22:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2019-10-15 01:22:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:22:03,986 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:03,986 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 01:22:03,987 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:03,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:03,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1946560777, now seen corresponding path program 1 times [2019-10-15 01:22:03,987 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:03,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121362901] [2019-10-15 01:22:03,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,988 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:03,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:04,095 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 01:22:04,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121362901] [2019-10-15 01:22:04,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:04,097 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:22:04,097 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166807246] [2019-10-15 01:22:04,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:22:04,098 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:22:04,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:04,099 INFO L87 Difference]: Start difference. First operand 245 states and 276 transitions. Second operand 4 states. [2019-10-15 01:22:04,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:04,348 INFO L93 Difference]: Finished difference Result 701 states and 827 transitions. [2019-10-15 01:22:04,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:22:04,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-15 01:22:04,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:04,353 INFO L225 Difference]: With dead ends: 701 [2019-10-15 01:22:04,353 INFO L226 Difference]: Without dead ends: 484 [2019-10-15 01:22:04,355 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 01:22:04,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-10-15 01:22:04,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 475. [2019-10-15 01:22:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-10-15 01:22:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 550 transitions. [2019-10-15 01:22:04,396 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 550 transitions. Word has length 108 [2019-10-15 01:22:04,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:04,396 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 550 transitions. [2019-10-15 01:22:04,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:22:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 550 transitions. [2019-10-15 01:22:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:22:04,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:04,400 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, 1, 1, 1, 1] [2019-10-15 01:22:04,400 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:04,400 INFO L82 PathProgramCache]: Analyzing trace with hash 79738257, now seen corresponding path program 1 times [2019-10-15 01:22:04,401 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:04,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419678667] [2019-10-15 01:22:04,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:04,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:04,629 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 01:22:04,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419678667] [2019-10-15 01:22:04,631 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:04,631 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:04,631 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521519928] [2019-10-15 01:22:04,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:04,632 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:04,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:04,634 INFO L87 Difference]: Start difference. First operand 475 states and 550 transitions. Second operand 9 states. [2019-10-15 01:22:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:05,725 INFO L93 Difference]: Finished difference Result 1254 states and 1515 transitions. [2019-10-15 01:22:05,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:05,731 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2019-10-15 01:22:05,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:05,740 INFO L225 Difference]: With dead ends: 1254 [2019-10-15 01:22:05,740 INFO L226 Difference]: Without dead ends: 879 [2019-10-15 01:22:05,744 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:22:05,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2019-10-15 01:22:05,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 798. [2019-10-15 01:22:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-15 01:22:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 913 transitions. [2019-10-15 01:22:05,801 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 913 transitions. Word has length 112 [2019-10-15 01:22:05,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:05,802 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 913 transitions. [2019-10-15 01:22:05,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 913 transitions. [2019-10-15 01:22:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-15 01:22:05,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:05,806 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, 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] [2019-10-15 01:22:05,806 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:05,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:05,806 INFO L82 PathProgramCache]: Analyzing trace with hash -992810877, now seen corresponding path program 1 times [2019-10-15 01:22:05,807 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:05,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300613217] [2019-10-15 01:22:05,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:05,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:22:05,986 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300613217] [2019-10-15 01:22:05,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832997140] [2019-10-15 01:22:05,987 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 01:22:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:06,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:06,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:22:06,388 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:22:06,877 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1528901240] [2019-10-15 01:22:06,883 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 175 [2019-10-15 01:22:06,929 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:06,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:06,989 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:06,990 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 01:22:06,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:06,994 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:07,053 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:07,053 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:07,058 INFO L553 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2019-10-15 01:22:07,058 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:07,059 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:07,059 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:22:07,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621822534] [2019-10-15 01:22:07,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:07,061 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:07,061 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:07,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:07,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:07,061 INFO L87 Difference]: Start difference. First operand 798 states and 913 transitions. Second operand 2 states. [2019-10-15 01:22:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:07,071 INFO L93 Difference]: Finished difference Result 798 states and 913 transitions. [2019-10-15 01:22:07,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:07,071 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 174 [2019-10-15 01:22:07,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:07,071 INFO L225 Difference]: With dead ends: 798 [2019-10-15 01:22:07,072 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:07,073 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 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 01:22:07,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:07,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:07,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2019-10-15 01:22:07,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:07,075 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:07,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:07,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:07,280 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:07,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:07,570 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-15 01:22:07,570 INFO L443 ceAbstractionStarter]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2019-10-15 01:22:07,570 INFO L443 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2019-10-15 01:22:07,570 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 300) no Hoare annotation was computed. [2019-10-15 01:22:07,570 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 254 309) no Hoare annotation was computed. [2019-10-15 01:22:07,570 INFO L443 ceAbstractionStarter]: For program point L301(lines 278 302) no Hoare annotation was computed. [2019-10-15 01:22:07,570 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 254 309) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 254 309) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 310 369) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point L342-1(lines 342 346) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point L337(line 337) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 310 369) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point L336-2(lines 336 361) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point L362(lines 335 363) no Hoare annotation was computed. [2019-10-15 01:22:07,571 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 310 369) no Hoare annotation was computed. [2019-10-15 01:22:07,572 INFO L443 ceAbstractionStarter]: For program point L355(line 355) no Hoare annotation was computed. [2019-10-15 01:22:07,572 INFO L443 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2019-10-15 01:22:07,572 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2019-10-15 01:22:07,572 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2019-10-15 01:22:07,572 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2019-10-15 01:22:07,572 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2019-10-15 01:22:07,573 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2019-10-15 01:22:07,573 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: true [2019-10-15 01:22:07,573 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2019-10-15 01:22:07,573 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2019-10-15 01:22:07,573 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: true [2019-10-15 01:22:07,573 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2019-10-15 01:22:07,573 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-10-15 01:22:07,573 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2019-10-15 01:22:07,574 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-10-15 01:22:07,574 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2019-10-15 01:22:07,574 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2019-10-15 01:22:07,574 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-10-15 01:22:07,574 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-10-15 01:22:07,574 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2019-10-15 01:22:07,574 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2019-10-15 01:22:07,574 INFO L446 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2019-10-15 01:22:07,575 INFO L443 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2019-10-15 01:22:07,575 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2019-10-15 01:22:07,575 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2019-10-15 01:22:07,575 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: true [2019-10-15 01:22:07,575 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2019-10-15 01:22:07,575 INFO L446 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: true [2019-10-15 01:22:07,575 INFO L446 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: true [2019-10-15 01:22:07,575 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2019-10-15 01:22:07,576 INFO L443 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2019-10-15 01:22:07,576 INFO L443 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2019-10-15 01:22:07,576 INFO L446 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: true [2019-10-15 01:22:07,576 INFO L446 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2019-10-15 01:22:07,576 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2019-10-15 01:22:07,576 INFO L446 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: true [2019-10-15 01:22:07,576 INFO L443 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2019-10-15 01:22:07,576 INFO L443 ceAbstractionStarter]: For program point L608(line 608) no Hoare annotation was computed. [2019-10-15 01:22:07,576 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 601 624) no Hoare annotation was computed. [2019-10-15 01:22:07,576 INFO L443 ceAbstractionStarter]: For program point L607(line 607) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L606(line 606) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 601 624) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 601 624) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L617(line 617) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L616(line 616) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L612(line 612) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-15 01:22:07,577 INFO L443 ceAbstractionStarter]: For program point L610(line 610) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L446 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: true [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 920) no Hoare annotation was computed. [2019-10-15 01:22:07,578 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 893 928) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 893 928) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 908) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 893 928) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point L900-2(lines 900 908) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 208 253) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 208 253) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 208 253) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 548) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 521 566) no Hoare annotation was computed. [2019-10-15 01:22:07,579 INFO L443 ceAbstractionStarter]: For program point L535(lines 535 555) no Hoare annotation was computed. [2019-10-15 01:22:07,580 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 535 555) no Hoare annotation was computed. [2019-10-15 01:22:07,580 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 521 566) no Hoare annotation was computed. [2019-10-15 01:22:07,580 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 521 566) no Hoare annotation was computed. [2019-10-15 01:22:07,580 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: true [2019-10-15 01:22:07,580 INFO L446 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: true [2019-10-15 01:22:07,580 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2019-10-15 01:22:07,580 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2019-10-15 01:22:07,580 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2019-10-15 01:22:07,580 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-10-15 01:22:07,581 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-15 01:22:07,581 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2019-10-15 01:22:07,581 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2019-10-15 01:22:07,581 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: true [2019-10-15 01:22:07,581 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2019-10-15 01:22:07,581 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2019-10-15 01:22:07,581 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:22:07,582 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-15 01:22:07,582 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-15 01:22:07,582 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:22:07,582 INFO L446 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2019-10-15 01:22:07,582 INFO L443 ceAbstractionStarter]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2019-10-15 01:22:07,582 INFO L446 ceAbstractionStarter]: At program point L828(line 828) the Hoare annotation is: true [2019-10-15 01:22:07,582 INFO L446 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2019-10-15 01:22:07,582 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2019-10-15 01:22:07,583 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2019-10-15 01:22:07,583 INFO L446 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2019-10-15 01:22:07,583 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: true [2019-10-15 01:22:07,583 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-10-15 01:22:07,583 INFO L443 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2019-10-15 01:22:07,583 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2019-10-15 01:22:07,583 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2019-10-15 01:22:07,584 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 681 746) the Hoare annotation is: true [2019-10-15 01:22:07,584 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-10-15 01:22:07,584 INFO L446 ceAbstractionStarter]: At program point L729-2(lines 721 734) the Hoare annotation is: true [2019-10-15 01:22:07,584 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2019-10-15 01:22:07,584 INFO L443 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2019-10-15 01:22:07,584 INFO L446 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: true [2019-10-15 01:22:07,584 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2019-10-15 01:22:07,584 INFO L446 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: true [2019-10-15 01:22:07,585 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2019-10-15 01:22:07,585 INFO L443 ceAbstractionStarter]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2019-10-15 01:22:07,585 INFO L446 ceAbstractionStarter]: At program point L736(lines 691 738) the Hoare annotation is: true [2019-10-15 01:22:07,585 INFO L446 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2019-10-15 01:22:07,585 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2019-10-15 01:22:07,585 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-10-15 01:22:07,585 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-10-15 01:22:07,585 INFO L446 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: true [2019-10-15 01:22:07,585 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2019-10-15 01:22:07,586 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 475 520) no Hoare annotation was computed. [2019-10-15 01:22:07,586 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 475 520) no Hoare annotation was computed. [2019-10-15 01:22:07,586 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 475 520) no Hoare annotation was computed. [2019-10-15 01:22:07,586 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 502) no Hoare annotation was computed. [2019-10-15 01:22:07,586 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 509) no Hoare annotation was computed. [2019-10-15 01:22:07,586 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 489 509) no Hoare annotation was computed. [2019-10-15 01:22:07,586 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: true [2019-10-15 01:22:07,586 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:22:07,587 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 372 474) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point L442(lines 420 443) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point L401(lines 401 417) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point L461(lines 461 468) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point L422(lines 421 441) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 372 474) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-15 01:22:07,588 INFO L443 ceAbstractionStarter]: For program point L453-1(line 453) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point L418(lines 418 459) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point L437-1(line 437) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 372 474) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 471) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 427) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2019-10-15 01:22:07,589 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2019-10-15 01:22:07,590 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2019-10-15 01:22:07,590 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2019-10-15 01:22:07,590 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:07,590 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:22:07,590 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:07,590 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2019-10-15 01:22:07,590 INFO L446 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2019-10-15 01:22:07,590 INFO L443 ceAbstractionStarter]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2019-10-15 01:22:07,591 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: true [2019-10-15 01:22:07,591 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2019-10-15 01:22:07,591 INFO L446 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: true [2019-10-15 01:22:07,591 INFO L443 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2019-10-15 01:22:07,591 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-10-15 01:22:07,591 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:22:07,591 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:22:07,592 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2019-10-15 01:22:07,592 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2019-10-15 01:22:07,592 INFO L446 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2019-10-15 01:22:07,592 INFO L443 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2019-10-15 01:22:07,592 INFO L443 ceAbstractionStarter]: For program point L936-1(line 936) no Hoare annotation was computed. [2019-10-15 01:22:07,592 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2019-10-15 01:22:07,592 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2019-10-15 01:22:07,592 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:22:07,592 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-10-15 01:22:07,593 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:22:07,593 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:07,593 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:07,593 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:07,593 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-15 01:22:07,593 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:22:07,593 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:22:07,593 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-10-15 01:22:07,594 INFO L446 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: true [2019-10-15 01:22:07,594 INFO L446 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: true [2019-10-15 01:22:07,594 INFO L443 ceAbstractionStarter]: For program point L760(lines 756 778) no Hoare annotation was computed. [2019-10-15 01:22:07,594 INFO L443 ceAbstractionStarter]: For program point L758(lines 756 778) no Hoare annotation was computed. [2019-10-15 01:22:07,594 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: true [2019-10-15 01:22:07,594 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2019-10-15 01:22:07,594 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2019-10-15 01:22:07,594 INFO L446 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: true [2019-10-15 01:22:07,595 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2019-10-15 01:22:07,595 INFO L443 ceAbstractionStarter]: For program point L576-1(line 576) no Hoare annotation was computed. [2019-10-15 01:22:07,595 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2019-10-15 01:22:07,595 INFO L446 ceAbstractionStarter]: At program point L595(lines 570 599) the Hoare annotation is: true [2019-10-15 01:22:07,595 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-15 01:22:07,595 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-10-15 01:22:07,595 INFO L446 ceAbstractionStarter]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2019-10-15 01:22:07,595 INFO L443 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-10-15 01:22:07,596 INFO L446 ceAbstractionStarter]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2019-10-15 01:22:07,596 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-10-15 01:22:07,596 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:22:07,596 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:22:07,596 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2019-10-15 01:22:07,596 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2019-10-15 01:22:07,596 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:07,596 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:07,596 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:07,597 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:07,597 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2019-10-15 01:22:07,597 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: true [2019-10-15 01:22:07,597 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2019-10-15 01:22:07,597 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: true [2019-10-15 01:22:07,597 INFO L446 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2019-10-15 01:22:07,597 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2019-10-15 01:22:07,597 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2019-10-15 01:22:07,598 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-15 01:22:07,598 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-10-15 01:22:07,598 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2019-10-15 01:22:07,598 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-10-15 01:22:07,598 INFO L443 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2019-10-15 01:22:07,598 INFO L446 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: true [2019-10-15 01:22:07,598 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:22:07,598 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:22:07,598 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-10-15 01:22:07,599 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2019-10-15 01:22:07,599 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2019-10-15 01:22:07,599 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2019-10-15 01:22:07,599 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2019-10-15 01:22:07,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:07 BoogieIcfgContainer [2019-10-15 01:22:07,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:07,611 INFO L168 Benchmark]: Toolchain (without parser) took 9402.81 ms. Allocated memory was 145.2 MB in the beginning and 336.1 MB in the end (delta: 190.8 MB). Free memory was 101.0 MB in the beginning and 122.5 MB in the end (delta: -21.5 MB). Peak memory consumption was 169.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:07,612 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:22:07,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.81 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 169.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:07,614 INFO L168 Benchmark]: Boogie Preprocessor took 108.54 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:07,615 INFO L168 Benchmark]: RCFGBuilder took 1270.43 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 165.2 MB in the beginning and 193.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:07,615 INFO L168 Benchmark]: TraceAbstraction took 7342.48 ms. Allocated memory was 235.4 MB in the beginning and 336.1 MB in the end (delta: 100.7 MB). Free memory was 193.5 MB in the beginning and 122.5 MB in the end (delta: 71.0 MB). Peak memory consumption was 171.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:07,619 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.81 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 169.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.54 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 165.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1270.43 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 165.2 MB in the beginning and 193.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7342.48 ms. Allocated memory was 235.4 MB in the beginning and 336.1 MB in the end (delta: 100.7 MB). Free memory was 193.5 MB in the beginning and 122.5 MB in the end (delta: 71.0 MB). Peak memory consumption was 171.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 256 locations, 1 error locations. Result: SAFE, OverallTime: 7.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1703 SDtfs, 1311 SDslu, 3346 SDs, 0 SdLazy, 1921 SolverSat, 504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=798occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 133 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 971 PreInvPairs, 972 NumberOfFragments, 79 HoareAnnotationTreeSize, 971 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1138 NumberOfCodeBlocks, 1138 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1300 ConstructedInterpolants, 0 QuantifiedInterpolants, 276139 SizeOfPredicates, 4 NumberOfNonLiveVariables, 977 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 127/156 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 112, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8265895953757225, 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...