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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:24,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:24,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:24,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:24,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:24,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:24,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:24,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:24,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:24,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:24,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:24,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:24,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:24,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:24,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:24,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:24,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:24,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:24,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:24,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:24,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:24,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:24,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:24,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:24,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:24,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:24,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:24,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:24,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:24,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:24,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:24,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:24,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:24,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:24,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:24,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:24,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:24,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:24,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:24,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:24,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:24,817 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 [2019-10-13 21:21:24,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:24,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:24,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:24,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:24,844 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:24,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:24,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:24,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:24,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:24,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:24,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:24,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:24,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:24,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:24,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:24,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:24,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:24,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:24,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:24,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:24,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:24,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:24,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:24,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:24,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:24,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:24,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:24,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:24,852 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 [2019-10-13 21:21:25,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:25,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:25,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:25,145 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:25,146 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:25,146 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-10-13 21:21:25,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd26e14c/f976bd61141240c6904bd18a5026e90b/FLAG933c500db [2019-10-13 21:21:25,782 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:25,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-10-13 21:21:25,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd26e14c/f976bd61141240c6904bd18a5026e90b/FLAG933c500db [2019-10-13 21:21:26,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fd26e14c/f976bd61141240c6904bd18a5026e90b [2019-10-13 21:21:26,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:26,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:26,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:26,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:26,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:26,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9515a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26, skipping insertion in model container [2019-10-13 21:21:26,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,049 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:26,111 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:26,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:26,660 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:26,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:26,813 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:26,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26 WrapperNode [2019-10-13 21:21:26,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:26,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:26,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:26,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:26,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (1/1) ... [2019-10-13 21:21:26,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:26,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:26,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:26,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:26,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (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 [2019-10-13 21:21:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:21:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:21:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:28,064 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:28,064 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:28,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:28 BoogieIcfgContainer [2019-10-13 21:21:28,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:28,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:28,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:28,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:28,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:26" (1/3) ... [2019-10-13 21:21:28,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13eae06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:28, skipping insertion in model container [2019-10-13 21:21:28,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:26" (2/3) ... [2019-10-13 21:21:28,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13eae06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:28, skipping insertion in model container [2019-10-13 21:21:28,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:28" (3/3) ... [2019-10-13 21:21:28,074 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2019-10-13 21:21:28,084 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:28,093 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:28,104 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:28,130 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:28,131 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:28,131 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:28,131 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:28,131 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:28,132 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:28,132 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:28,132 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-10-13 21:21:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:28,166 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:28,167 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:28,169 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:28,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:28,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1930033303, now seen corresponding path program 1 times [2019-10-13 21:21:28,184 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:28,185 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700916952] [2019-10-13 21:21:28,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,185 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:28,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700916952] [2019-10-13 21:21:28,511 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:28,512 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:28,515 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116176707] [2019-10-13 21:21:28,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:28,524 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:28,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:28,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:28,539 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-10-13 21:21:28,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:28,582 INFO L93 Difference]: Finished difference Result 298 states and 371 transitions. [2019-10-13 21:21:28,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:28,584 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:28,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:28,598 INFO L225 Difference]: With dead ends: 298 [2019-10-13 21:21:28,598 INFO L226 Difference]: Without dead ends: 149 [2019-10-13 21:21:28,603 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 [2019-10-13 21:21:28,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-13 21:21:28,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-13 21:21:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 21:21:28,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2019-10-13 21:21:28,659 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2019-10-13 21:21:28,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:28,659 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2019-10-13 21:21:28,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2019-10-13 21:21:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:28,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:28,665 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:28,665 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:28,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:28,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1692135718, now seen corresponding path program 1 times [2019-10-13 21:21:28,666 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:28,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206752271] [2019-10-13 21:21:28,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:28,817 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206752271] [2019-10-13 21:21:28,817 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:28,818 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:28,818 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078924151] [2019-10-13 21:21:28,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:28,822 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:28,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:28,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:28,823 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 3 states. [2019-10-13 21:21:28,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:28,879 INFO L93 Difference]: Finished difference Result 247 states and 293 transitions. [2019-10-13 21:21:28,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:28,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:28,884 INFO L225 Difference]: With dead ends: 247 [2019-10-13 21:21:28,884 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:21:28,887 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:21:28,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:21:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:21:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2019-10-13 21:21:28,910 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2019-10-13 21:21:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:28,910 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2019-10-13 21:21:28,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2019-10-13 21:21:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:28,913 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:28,913 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:28,914 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:28,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:28,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1292389066, now seen corresponding path program 1 times [2019-10-13 21:21:28,914 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:28,915 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786382864] [2019-10-13 21:21:28,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:29,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786382864] [2019-10-13 21:21:29,109 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:29,109 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:29,109 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050520231] [2019-10-13 21:21:29,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:29,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:29,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:29,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:29,111 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 7 states. [2019-10-13 21:21:29,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:29,555 INFO L93 Difference]: Finished difference Result 256 states and 307 transitions. [2019-10-13 21:21:29,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:29,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 21:21:29,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:29,561 INFO L225 Difference]: With dead ends: 256 [2019-10-13 21:21:29,561 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:21:29,563 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:29,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:21:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:21:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:21:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-10-13 21:21:29,578 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2019-10-13 21:21:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:29,578 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-10-13 21:21:29,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-10-13 21:21:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-13 21:21:29,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,582 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:29,582 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,582 INFO L82 PathProgramCache]: Analyzing trace with hash 875217030, now seen corresponding path program 1 times [2019-10-13 21:21:29,583 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912349526] [2019-10-13 21:21:29,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:29,715 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912349526] [2019-10-13 21:21:29,715 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:29,715 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:29,716 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500973623] [2019-10-13 21:21:29,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:29,718 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:29,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:29,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:29,718 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 5 states. [2019-10-13 21:21:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,311 INFO L93 Difference]: Finished difference Result 370 states and 449 transitions. [2019-10-13 21:21:30,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:30,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-10-13 21:21:30,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,321 INFO L225 Difference]: With dead ends: 370 [2019-10-13 21:21:30,321 INFO L226 Difference]: Without dead ends: 254 [2019-10-13 21:21:30,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:30,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-10-13 21:21:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 236. [2019-10-13 21:21:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-10-13 21:21:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2019-10-13 21:21:30,367 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2019-10-13 21:21:30,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,368 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2019-10-13 21:21:30,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2019-10-13 21:21:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:30,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,371 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:30,372 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1332654256, now seen corresponding path program 1 times [2019-10-13 21:21:30,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574397113] [2019-10-13 21:21:30,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:30,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574397113] [2019-10-13 21:21:30,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:30,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760960073] [2019-10-13 21:21:30,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:30,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:30,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:30,586 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 6 states. [2019-10-13 21:21:30,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,787 INFO L93 Difference]: Finished difference Result 567 states and 680 transitions. [2019-10-13 21:21:30,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:30,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-13 21:21:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,792 INFO L225 Difference]: With dead ends: 567 [2019-10-13 21:21:30,792 INFO L226 Difference]: Without dead ends: 355 [2019-10-13 21:21:30,794 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:30,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-10-13 21:21:30,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2019-10-13 21:21:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-13 21:21:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 406 transitions. [2019-10-13 21:21:30,828 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 406 transitions. Word has length 89 [2019-10-13 21:21:30,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,828 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 406 transitions. [2019-10-13 21:21:30,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 406 transitions. [2019-10-13 21:21:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:21:30,831 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,831 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:30,831 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,832 INFO L82 PathProgramCache]: Analyzing trace with hash -920967306, now seen corresponding path program 1 times [2019-10-13 21:21:30,832 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976604072] [2019-10-13 21:21:30,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:30,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976604072] [2019-10-13 21:21:30,981 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:30,982 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833077839] [2019-10-13 21:21:30,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:30,983 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:30,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:30,983 INFO L87 Difference]: Start difference. First operand 351 states and 406 transitions. Second operand 6 states. [2019-10-13 21:21:31,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:31,241 INFO L93 Difference]: Finished difference Result 770 states and 927 transitions. [2019-10-13 21:21:31,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:31,241 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-13 21:21:31,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:31,247 INFO L225 Difference]: With dead ends: 770 [2019-10-13 21:21:31,247 INFO L226 Difference]: Without dead ends: 558 [2019-10-13 21:21:31,248 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2019-10-13 21:21:31,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 540. [2019-10-13 21:21:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-13 21:21:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 640 transitions. [2019-10-13 21:21:31,318 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 640 transitions. Word has length 93 [2019-10-13 21:21:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:31,320 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 640 transitions. [2019-10-13 21:21:31,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 640 transitions. [2019-10-13 21:21:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:21:31,328 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:31,328 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:31,329 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:31,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:31,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1438339703, now seen corresponding path program 1 times [2019-10-13 21:21:31,329 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:31,329 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25886103] [2019-10-13 21:21:31,330 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,330 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:31,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25886103] [2019-10-13 21:21:31,424 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:31,425 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:31,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720135070] [2019-10-13 21:21:31,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:31,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:31,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:31,427 INFO L87 Difference]: Start difference. First operand 540 states and 640 transitions. Second operand 5 states. [2019-10-13 21:21:31,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:31,470 INFO L93 Difference]: Finished difference Result 951 states and 1153 transitions. [2019-10-13 21:21:31,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:31,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2019-10-13 21:21:31,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:31,475 INFO L225 Difference]: With dead ends: 951 [2019-10-13 21:21:31,475 INFO L226 Difference]: Without dead ends: 550 [2019-10-13 21:21:31,477 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:31,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-10-13 21:21:31,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 544. [2019-10-13 21:21:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-10-13 21:21:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 643 transitions. [2019-10-13 21:21:31,513 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 643 transitions. Word has length 93 [2019-10-13 21:21:31,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:31,513 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 643 transitions. [2019-10-13 21:21:31,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 643 transitions. [2019-10-13 21:21:31,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:21:31,517 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:31,517 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:31,518 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:31,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:31,518 INFO L82 PathProgramCache]: Analyzing trace with hash 2097871225, now seen corresponding path program 1 times [2019-10-13 21:21:31,526 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:31,526 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179605561] [2019-10-13 21:21:31,526 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,526 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:31,649 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179605561] [2019-10-13 21:21:31,649 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:31,649 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:31,650 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426385712] [2019-10-13 21:21:31,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:31,652 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:31,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:31,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:31,653 INFO L87 Difference]: Start difference. First operand 544 states and 643 transitions. Second operand 9 states. [2019-10-13 21:21:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:31,727 INFO L93 Difference]: Finished difference Result 1068 states and 1290 transitions. [2019-10-13 21:21:31,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:31,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2019-10-13 21:21:31,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:31,732 INFO L225 Difference]: With dead ends: 1068 [2019-10-13 21:21:31,732 INFO L226 Difference]: Without dead ends: 548 [2019-10-13 21:21:31,734 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:31,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-10-13 21:21:31,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 542. [2019-10-13 21:21:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-13 21:21:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 639 transitions. [2019-10-13 21:21:31,780 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 639 transitions. Word has length 93 [2019-10-13 21:21:31,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:31,780 INFO L462 AbstractCegarLoop]: Abstraction has 542 states and 639 transitions. [2019-10-13 21:21:31,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 639 transitions. [2019-10-13 21:21:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 21:21:31,784 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:31,784 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:31,784 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:31,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:31,785 INFO L82 PathProgramCache]: Analyzing trace with hash 791892564, now seen corresponding path program 1 times [2019-10-13 21:21:31,785 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:31,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581880344] [2019-10-13 21:21:31,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,786 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:31,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581880344] [2019-10-13 21:21:31,937 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:31,937 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:31,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752609020] [2019-10-13 21:21:31,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:31,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:31,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:31,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:31,940 INFO L87 Difference]: Start difference. First operand 542 states and 639 transitions. Second operand 10 states. [2019-10-13 21:21:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,286 INFO L93 Difference]: Finished difference Result 1066 states and 1260 transitions. [2019-10-13 21:21:32,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:32,286 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2019-10-13 21:21:32,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,292 INFO L225 Difference]: With dead ends: 1066 [2019-10-13 21:21:32,293 INFO L226 Difference]: Without dead ends: 548 [2019-10-13 21:21:32,294 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:32,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-10-13 21:21:32,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2019-10-13 21:21:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-13 21:21:32,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 608 transitions. [2019-10-13 21:21:32,326 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 608 transitions. Word has length 94 [2019-10-13 21:21:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,328 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 608 transitions. [2019-10-13 21:21:32,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 608 transitions. [2019-10-13 21:21:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-13 21:21:32,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:32,332 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:32,332 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:32,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:32,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1969237444, now seen corresponding path program 1 times [2019-10-13 21:21:32,333 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:32,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329990413] [2019-10-13 21:21:32,333 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,333 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:21:32,434 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329990413] [2019-10-13 21:21:32,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124120543] [2019-10-13 21:21:32,435 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 [2019-10-13 21:21:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 21:21:32,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:32,837 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:33,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:21:33,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:33,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-10-13 21:21:33,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230326066] [2019-10-13 21:21:33,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:33,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:33,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:33,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-13 21:21:33,260 INFO L87 Difference]: Start difference. First operand 531 states and 608 transitions. Second operand 8 states. [2019-10-13 21:21:34,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:34,644 INFO L93 Difference]: Finished difference Result 1408 states and 1732 transitions. [2019-10-13 21:21:34,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:21:34,645 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2019-10-13 21:21:34,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:34,651 INFO L225 Difference]: With dead ends: 1408 [2019-10-13 21:21:34,652 INFO L226 Difference]: Without dead ends: 1021 [2019-10-13 21:21:34,654 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 271 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-10-13 21:21:34,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2019-10-13 21:21:34,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 937. [2019-10-13 21:21:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-10-13 21:21:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1099 transitions. [2019-10-13 21:21:34,716 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1099 transitions. Word has length 141 [2019-10-13 21:21:34,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:34,716 INFO L462 AbstractCegarLoop]: Abstraction has 937 states and 1099 transitions. [2019-10-13 21:21:34,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1099 transitions. [2019-10-13 21:21:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-13 21:21:34,719 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:34,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:34,925 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:34,925 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:34,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:34,926 INFO L82 PathProgramCache]: Analyzing trace with hash -361137762, now seen corresponding path program 1 times [2019-10-13 21:21:34,926 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:34,927 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506594161] [2019-10-13 21:21:34,927 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:34,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:34,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:21:35,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506594161] [2019-10-13 21:21:35,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520841890] [2019-10-13 21:21:35,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:35,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-13 21:21:35,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:21:35,423 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:35,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:35,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:21:35,745 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:35,745 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-13 21:21:35,745 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189718814] [2019-10-13 21:21:35,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:35,746 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:35,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:35,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:35,747 INFO L87 Difference]: Start difference. First operand 937 states and 1099 transitions. Second operand 9 states. [2019-10-13 21:21:36,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:36,203 INFO L93 Difference]: Finished difference Result 1775 states and 2141 transitions. [2019-10-13 21:21:36,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:36,203 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2019-10-13 21:21:36,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:36,205 INFO L225 Difference]: With dead ends: 1775 [2019-10-13 21:21:36,205 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:36,210 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 262 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-13 21:21:36,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:36,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:36,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2019-10-13 21:21:36,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:36,212 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:36,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:36,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:36,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:36,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:37,353 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-10-13 21:21:37,587 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-10-13 21:21:37,741 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-10-13 21:21:37,967 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-13 21:21:38,181 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 21 [2019-10-13 21:21:38,365 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-13 21:21:38,823 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2019-10-13 21:21:39,402 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2019-10-13 21:21:39,595 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-13 21:21:39,817 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-10-13 21:21:39,945 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2019-10-13 21:21:40,186 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-13 21:21:40,682 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2019-10-13 21:21:40,814 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-10-13 21:21:41,473 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point L610-1(lines 610 614) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 579 634) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point L626(lines 603 627) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 614) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-10-13 21:21:41,586 INFO L443 ceAbstractionStarter]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point L662(line 662) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point L687(lines 660 688) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-10-13 21:21:41,587 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-13 21:21:41,587 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-13 21:21:41,588 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-13 21:21:41,588 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-13 21:21:41,588 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-10-13 21:21:41,588 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,588 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2019-10-13 21:21:41,588 INFO L439 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,588 INFO L439 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,588 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2019-10-13 21:21:41,589 INFO L443 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2019-10-13 21:21:41,589 INFO L443 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2019-10-13 21:21:41,589 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2019-10-13 21:21:41,589 INFO L439 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,589 INFO L439 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,589 INFO L439 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,589 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-13 21:21:41,589 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2019-10-13 21:21:41,589 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-13 21:21:41,590 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-13 21:21:41,591 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-13 21:21:41,591 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 21:21:41,591 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 21:21:41,591 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:21:41,591 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 21:21:41,591 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2019-10-13 21:21:41,591 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2019-10-13 21:21:41,591 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2019-10-13 21:21:41,592 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2019-10-13 21:21:41,592 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2019-10-13 21:21:41,592 INFO L446 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2019-10-13 21:21:41,592 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2019-10-13 21:21:41,592 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-10-13 21:21:41,592 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2019-10-13 21:21:41,592 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2019-10-13 21:21:41,592 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 329) no Hoare annotation was computed. [2019-10-13 21:21:41,593 INFO L443 ceAbstractionStarter]: For program point L321-2(lines 321 329) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point L344-1(line 344) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 314 349) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 341) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 314 349) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 314 349) no Hoare annotation was computed. [2019-10-13 21:21:41,594 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-13 21:21:41,595 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-13 21:21:41,595 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2019-10-13 21:21:41,595 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2019-10-13 21:21:41,595 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 533 578) no Hoare annotation was computed. [2019-10-13 21:21:41,595 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 880) no Hoare annotation was computed. [2019-10-13 21:21:41,595 INFO L443 ceAbstractionStarter]: For program point L860-1(lines 860 880) no Hoare annotation was computed. [2019-10-13 21:21:41,595 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 846 891) no Hoare annotation was computed. [2019-10-13 21:21:41,595 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2019-10-13 21:21:41,596 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2019-10-13 21:21:41,596 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 873) no Hoare annotation was computed. [2019-10-13 21:21:41,596 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,596 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2019-10-13 21:21:41,596 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2019-10-13 21:21:41,596 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2019-10-13 21:21:41,596 INFO L446 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2019-10-13 21:21:41,596 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2019-10-13 21:21:41,597 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-10-13 21:21:41,597 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2019-10-13 21:21:41,597 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-13 21:21:41,597 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2019-10-13 21:21:41,597 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2019-10-13 21:21:41,597 INFO L443 ceAbstractionStarter]: For program point L473(lines 473 479) no Hoare annotation was computed. [2019-10-13 21:21:41,597 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2019-10-13 21:21:41,597 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2019-10-13 21:21:41,598 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2019-10-13 21:21:41,598 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2019-10-13 21:21:41,598 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2019-10-13 21:21:41,598 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:41,598 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:21:41,598 INFO L443 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2019-10-13 21:21:41,598 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:41,599 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:41,599 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2019-10-13 21:21:41,599 INFO L439 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:41,599 INFO L443 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2019-10-13 21:21:41,599 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2019-10-13 21:21:41,599 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2019-10-13 21:21:41,599 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,600 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2019-10-13 21:21:41,600 INFO L439 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 21:21:41,600 INFO L443 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2019-10-13 21:21:41,600 INFO L439 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:41,600 INFO L443 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2019-10-13 21:21:41,600 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 142) no Hoare annotation was computed. [2019-10-13 21:21:41,600 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-13 21:21:41,601 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2019-10-13 21:21:41,601 INFO L443 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2019-10-13 21:21:41,601 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 21:21:41,601 INFO L439 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 21:21:41,601 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2019-10-13 21:21:41,601 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2019-10-13 21:21:41,601 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 827) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 800 845) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 834) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point L814-1(lines 814 834) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2019-10-13 21:21:41,602 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 453) no Hoare annotation was computed. [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point L445-2(lines 445 453) no Hoare annotation was computed. [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 437 459) no Hoare annotation was computed. [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 437 459) no Hoare annotation was computed. [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 437 459) no Hoare annotation was computed. [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:21:41,603 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 725) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 796) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2019-10-13 21:21:41,604 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point L767(lines 745 768) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 742) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 793) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point L747(lines 746 766) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 784) no Hoare annotation was computed. [2019-10-13 21:21:41,605 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:41,606 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:21:41,606 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:41,606 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2019-10-13 21:21:41,606 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2019-10-13 21:21:41,606 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 21:21:41,606 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2019-10-13 21:21:41,606 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2019-10-13 21:21:41,606 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2019-10-13 21:21:41,607 INFO L446 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2019-10-13 21:21:41,607 INFO L443 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2019-10-13 21:21:41,607 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2019-10-13 21:21:41,607 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-10-13 21:21:41,607 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2019-10-13 21:21:41,607 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2019-10-13 21:21:41,608 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-13 21:21:41,608 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: true [2019-10-13 21:21:41,608 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2019-10-13 21:21:41,608 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2019-10-13 21:21:41,608 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:41,609 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:41,609 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:41,609 INFO L439 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (and .cse4 (= ~pumpRunning~0 1)) .cse3 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4)))) [2019-10-13 21:21:41,609 INFO L439 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (< ~waterLevel~0 2)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9 .cse10)) (.cse5 (and .cse4 .cse9 .cse10))) (and (or .cse0 .cse1 (<= 1 ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse3 (and (<= 2 ~waterLevel~0) (< ~waterLevel~0 3) .cse4) .cse1 .cse5 .cse6) (let ((.cse7 (<= ~waterLevel~0 1))) (or (and .cse7 .cse4) (and .cse7 .cse8) .cse0 .cse1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse5 .cse6)))) [2019-10-13 21:21:41,609 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (< ~waterLevel~0 3)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0) .cse3) .cse4) (or .cse5 .cse1 (and .cse2 (= ~pumpRunning~0 1) .cse3)) (or .cse6 .cse0 .cse4 (<= ~waterLevel~0 1)) (or .cse6 .cse5 (< ~waterLevel~0 2))))) [2019-10-13 21:21:41,610 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (< ~waterLevel~0 2)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-13 21:21:41,610 INFO L443 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2019-10-13 21:21:41,610 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2019-10-13 21:21:41,610 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2019-10-13 21:21:41,610 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2019-10-13 21:21:41,610 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2019-10-13 21:21:41,611 INFO L446 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2019-10-13 21:21:41,611 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-13 21:21:41,612 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-10-13 21:21:41,612 INFO L446 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2019-10-13 21:21:41,612 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-10-13 21:21:41,612 INFO L446 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2019-10-13 21:21:41,612 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-10-13 21:21:41,612 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-10-13 21:21:41,612 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2019-10-13 21:21:41,612 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2019-10-13 21:21:41,613 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2019-10-13 21:21:41,613 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2019-10-13 21:21:41,613 INFO L439 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-13 21:21:41,613 INFO L443 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-10-13 21:21:41,613 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2019-10-13 21:21:41,613 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2019-10-13 21:21:41,613 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2019-10-13 21:21:41,613 INFO L446 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: true [2019-10-13 21:21:41,614 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2019-10-13 21:21:41,614 INFO L443 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2019-10-13 21:21:41,615 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2019-10-13 21:21:41,615 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-13 21:21:41,616 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-10-13 21:21:41,616 INFO L439 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (< ~waterLevel~0 3)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-13 21:21:41,616 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1)) (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse1) (or .cse0 .cse2 .cse1 (< ~waterLevel~0 3)))) [2019-10-13 21:21:41,617 INFO L443 ceAbstractionStarter]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2019-10-13 21:21:41,617 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2019-10-13 21:21:41,617 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2019-10-13 21:21:41,617 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2019-10-13 21:21:41,617 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:41,617 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-13 21:21:41,617 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:41,617 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:41,618 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:41,618 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:41,618 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2019-10-13 21:21:41,618 INFO L443 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2019-10-13 21:21:41,618 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (or (not (< ~waterLevel~0 2)) .cse0 .cse1)) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (< ~waterLevel~0 3)) (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 21:21:41,618 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (< ~waterLevel~0 2)) .cse1 .cse2)) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) .cse0) (not (< ~waterLevel~0 3)) (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-13 21:21:41,619 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2019-10-13 21:21:41,619 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:21:41,619 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-10-13 21:21:41,619 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2019-10-13 21:21:41,619 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2019-10-13 21:21:41,619 INFO L443 ceAbstractionStarter]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2019-10-13 21:21:41,619 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1) (< ~waterLevel~0 2)) (or (not (< |old(~waterLevel~0)| 3)) .cse0 .cse1 (and (< ~waterLevel~0 3) .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse1 (and (<= ~waterLevel~0 1) .cse2)))) [2019-10-13 21:21:41,619 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:21:41,620 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:21:41,620 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:21:41,620 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:21:41,620 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2019-10-13 21:21:41,620 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0))) [2019-10-13 21:21:41,620 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:21:41,621 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2019-10-13 21:21:41,621 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:41,621 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:41,621 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2019-10-13 21:21:41,621 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0))) [2019-10-13 21:21:41,621 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-10-13 21:21:41,621 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2019-10-13 21:21:41,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:41 BoogieIcfgContainer [2019-10-13 21:21:41,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:41,645 INFO L168 Benchmark]: Toolchain (without parser) took 15612.59 ms. Allocated memory was 140.0 MB in the beginning and 427.3 MB in the end (delta: 287.3 MB). Free memory was 101.3 MB in the beginning and 147.5 MB in the end (delta: -46.2 MB). Peak memory consumption was 300.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:41,646 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:41,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.62 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 168.2 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:41,652 INFO L168 Benchmark]: Boogie Preprocessor took 81.15 ms. Allocated memory is still 203.4 MB. Free memory was 168.2 MB in the beginning and 164.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:41,653 INFO L168 Benchmark]: RCFGBuilder took 1170.94 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 190.3 MB in the end (delta: -26.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:41,656 INFO L168 Benchmark]: TraceAbstraction took 13575.18 ms. Allocated memory was 234.4 MB in the beginning and 427.3 MB in the end (delta: 192.9 MB). Free memory was 190.3 MB in the beginning and 147.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 295.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:41,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.62 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 168.2 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.15 ms. Allocated memory is still 203.4 MB. Free memory was 168.2 MB in the beginning and 164.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.94 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 190.3 MB in the end (delta: -26.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13575.18 ms. Allocated memory was 234.4 MB in the beginning and 427.3 MB in the end (delta: 192.9 MB). Free memory was 190.3 MB in the beginning and 147.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 295.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && waterLevel <= 1) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 248 locations, 1 error locations. Result: SAFE, OverallTime: 13.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, HoareTripleCheckerStatistics: 2048 SDtfs, 1902 SDslu, 5745 SDs, 0 SdLazy, 2012 SolverSat, 755 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 667 GetRequests, 568 SyntacticMatches, 8 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=937occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 153 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1952 PreInvPairs, 2060 NumberOfFragments, 1434 HoareAnnotationTreeSize, 1952 FomulaSimplifications, 2593 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 15348 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1255 NumberOfCodeBlocks, 1255 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1518 ConstructedInterpolants, 0 QuantifiedInterpolants, 289157 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1695 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 170/180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...