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_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:00,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:00,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:00,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:00,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:00,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:00,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:00,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:00,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:00,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:00,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:00,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:00,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:00,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:00,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:00,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:00,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:00,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:00,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:00,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:00,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:00,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:00,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:00,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:00,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:00,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:00,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:00,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:00,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:00,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:00,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:00,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:00,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:00,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:00,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:00,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:00,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:00,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:00,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:00,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:00,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:00,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:00,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:00,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:00,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:00,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:00,845 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:00,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:00,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:00,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:00,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:00,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:00,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:00,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:00,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:00,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:00,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:00,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:00,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:00,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:00,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:00,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:00,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:00,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:00,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:00,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:00,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:00,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:00,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:00,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:00,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:01,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:01,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:01,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:01,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:01,142 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:01,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-15 01:21:01,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974fe286e/d357990b75e347ceaaff3ca32c15fdaa/FLAG3852d5b15 [2019-10-15 01:21:01,727 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:01,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-10-15 01:21:01,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974fe286e/d357990b75e347ceaaff3ca32c15fdaa/FLAG3852d5b15 [2019-10-15 01:21:02,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974fe286e/d357990b75e347ceaaff3ca32c15fdaa [2019-10-15 01:21:02,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:02,057 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:02,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:02,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:02,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:02,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3f35e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02, skipping insertion in model container [2019-10-15 01:21:02,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:02,138 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:02,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:02,590 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:02,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:02,736 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:02,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02 WrapperNode [2019-10-15 01:21:02,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:02,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:02,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:02,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:02,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... [2019-10-15 01:21:02,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:02,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:02,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:02,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:02,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:02,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:21:02,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:02,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:02,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:02,900 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:02,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:02,903 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:21:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:02,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:21:02,905 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:02,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 01:21:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:21:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:21:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:21:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:04,038 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:04,038 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:04,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:04 BoogieIcfgContainer [2019-10-15 01:21:04,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:04,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:04,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:04,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:04,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:02" (1/3) ... [2019-10-15 01:21:04,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d39054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:04, skipping insertion in model container [2019-10-15 01:21:04,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:02" (2/3) ... [2019-10-15 01:21:04,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d39054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:04, skipping insertion in model container [2019-10-15 01:21:04,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:04" (3/3) ... [2019-10-15 01:21:04,049 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2019-10-15 01:21:04,060 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:04,069 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:04,081 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:04,110 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:04,110 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:04,110 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:04,111 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:04,111 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:04,111 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:04,111 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:04,111 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-15 01:21:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:21:04,147 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:04,148 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] [2019-10-15 01:21:04,150 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:04,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:04,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1393146994, now seen corresponding path program 1 times [2019-10-15 01:21:04,165 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:04,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885206196] [2019-10-15 01:21:04,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:04,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885206196] [2019-10-15 01:21:04,557 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:04,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:04,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808940243] [2019-10-15 01:21:04,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:04,571 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:04,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:04,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:04,590 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-15 01:21:04,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:04,634 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2019-10-15 01:21:04,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:04,636 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:21:04,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:04,650 INFO L225 Difference]: With dead ends: 264 [2019-10-15 01:21:04,651 INFO L226 Difference]: Without dead ends: 132 [2019-10-15 01:21:04,656 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:04,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-15 01:21:04,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-10-15 01:21:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-10-15 01:21:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2019-10-15 01:21:04,713 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2019-10-15 01:21:04,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:04,713 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2019-10-15 01:21:04,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:04,714 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2019-10-15 01:21:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:21:04,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:04,718 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] [2019-10-15 01:21:04,719 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:04,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:04,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1814082405, now seen corresponding path program 1 times [2019-10-15 01:21:04,719 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:04,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106590458] [2019-10-15 01:21:04,720 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,720 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:04,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106590458] [2019-10-15 01:21:04,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:04,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:04,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895279121] [2019-10-15 01:21:04,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:04,862 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:04,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:04,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:04,862 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2019-10-15 01:21:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:04,905 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2019-10-15 01:21:04,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:04,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:21:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:04,909 INFO L225 Difference]: With dead ends: 203 [2019-10-15 01:21:04,909 INFO L226 Difference]: Without dead ends: 123 [2019-10-15 01:21:04,910 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-10-15 01:21:04,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-10-15 01:21:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-15 01:21:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2019-10-15 01:21:04,926 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2019-10-15 01:21:04,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:04,926 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2019-10-15 01:21:04,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:04,927 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2019-10-15 01:21:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:21:04,929 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:04,929 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:04,930 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:04,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:04,930 INFO L82 PathProgramCache]: Analyzing trace with hash -947171688, now seen corresponding path program 1 times [2019-10-15 01:21:04,930 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:04,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488246596] [2019-10-15 01:21:04,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:04,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:05,068 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488246596] [2019-10-15 01:21:05,068 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:05,069 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:05,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774824704] [2019-10-15 01:21:05,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:05,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:05,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:05,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:05,073 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2019-10-15 01:21:05,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:05,643 INFO L93 Difference]: Finished difference Result 371 states and 449 transitions. [2019-10-15 01:21:05,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:05,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-15 01:21:05,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:05,651 INFO L225 Difference]: With dead ends: 371 [2019-10-15 01:21:05,651 INFO L226 Difference]: Without dead ends: 272 [2019-10-15 01:21:05,653 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:05,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-10-15 01:21:05,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 260. [2019-10-15 01:21:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-10-15 01:21:05,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2019-10-15 01:21:05,726 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2019-10-15 01:21:05,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:05,727 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2019-10-15 01:21:05,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:05,727 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2019-10-15 01:21:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:21:05,730 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:05,730 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:05,731 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:05,731 INFO L82 PathProgramCache]: Analyzing trace with hash -306167776, now seen corresponding path program 1 times [2019-10-15 01:21:05,731 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:05,732 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495197825] [2019-10-15 01:21:05,732 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:05,732 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:05,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:05,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495197825] [2019-10-15 01:21:05,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:05,878 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:21:05,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766567995] [2019-10-15 01:21:05,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:21:05,880 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:05,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:21:05,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:05,881 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 10 states. [2019-10-15 01:21:06,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:06,561 INFO L93 Difference]: Finished difference Result 920 states and 1175 transitions. [2019-10-15 01:21:06,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:21:06,562 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-15 01:21:06,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:06,569 INFO L225 Difference]: With dead ends: 920 [2019-10-15 01:21:06,570 INFO L226 Difference]: Without dead ends: 684 [2019-10-15 01:21:06,572 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:21:06,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2019-10-15 01:21:06,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2019-10-15 01:21:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2019-10-15 01:21:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 832 transitions. [2019-10-15 01:21:06,655 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 832 transitions. Word has length 57 [2019-10-15 01:21:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:06,655 INFO L462 AbstractCegarLoop]: Abstraction has 672 states and 832 transitions. [2019-10-15 01:21:06,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:21:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 832 transitions. [2019-10-15 01:21:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:21:06,666 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:06,666 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] [2019-10-15 01:21:06,667 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:06,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:06,670 INFO L82 PathProgramCache]: Analyzing trace with hash -714386778, now seen corresponding path program 1 times [2019-10-15 01:21:06,672 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:06,672 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231829737] [2019-10-15 01:21:06,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:06,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:06,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:06,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231829737] [2019-10-15 01:21:06,804 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:06,805 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:06,805 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514055517] [2019-10-15 01:21:06,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:06,810 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:06,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:06,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:06,812 INFO L87 Difference]: Start difference. First operand 672 states and 832 transitions. Second operand 4 states. [2019-10-15 01:21:06,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:06,969 INFO L93 Difference]: Finished difference Result 1086 states and 1384 transitions. [2019-10-15 01:21:06,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:21:06,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-15 01:21:06,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:06,973 INFO L225 Difference]: With dead ends: 1086 [2019-10-15 01:21:06,974 INFO L226 Difference]: Without dead ends: 438 [2019-10-15 01:21:06,976 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:06,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2019-10-15 01:21:07,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 426. [2019-10-15 01:21:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-15 01:21:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2019-10-15 01:21:07,006 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 61 [2019-10-15 01:21:07,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:07,007 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2019-10-15 01:21:07,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2019-10-15 01:21:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-15 01:21:07,011 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:07,011 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:07,011 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:07,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:07,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1764824326, now seen corresponding path program 1 times [2019-10-15 01:21:07,012 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:07,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377958728] [2019-10-15 01:21:07,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:07,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:07,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:07,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:21:07,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377958728] [2019-10-15 01:21:07,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479191741] [2019-10-15 01:21:07,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:07,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:21:07,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:07,566 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:07,722 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:21:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:07,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1096201988] [2019-10-15 01:21:07,902 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-15 01:21:07,953 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:07,953 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:08,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:08,050 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-15 01:21:08,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:08,055 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:08,142 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:08,142 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:08,146 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-15 01:21:08,146 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:08,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:08,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-15 01:21:08,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358785559] [2019-10-15 01:21:08,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:08,149 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:08,149 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:08,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:08,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:08,150 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 2 states. [2019-10-15 01:21:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:08,157 INFO L93 Difference]: Finished difference Result 426 states and 488 transitions. [2019-10-15 01:21:08,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:08,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-15 01:21:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:08,158 INFO L225 Difference]: With dead ends: 426 [2019-10-15 01:21:08,158 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:08,160 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:08,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:08,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:08,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-15 01:21:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:08,161 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:08,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:08,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:08,368 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:08,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:08,584 INFO L443 ceAbstractionStarter]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2019-10-15 01:21:08,585 INFO L443 ceAbstractionStarter]: For program point L409(lines 386 410) no Hoare annotation was computed. [2019-10-15 01:21:08,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 362 417) no Hoare annotation was computed. [2019-10-15 01:21:08,585 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 397) no Hoare annotation was computed. [2019-10-15 01:21:08,585 INFO L443 ceAbstractionStarter]: For program point L393-1(lines 393 397) no Hoare annotation was computed. [2019-10-15 01:21:08,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2019-10-15 01:21:08,585 INFO L443 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-10-15 01:21:08,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2019-10-15 01:21:08,586 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2019-10-15 01:21:08,586 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-15 01:21:08,586 INFO L443 ceAbstractionStarter]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2019-10-15 01:21:08,586 INFO L443 ceAbstractionStarter]: For program point L470(lines 443 471) no Hoare annotation was computed. [2019-10-15 01:21:08,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2019-10-15 01:21:08,586 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-15 01:21:08,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2019-10-15 01:21:08,587 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-15 01:21:08,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2019-10-15 01:21:08,587 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-10-15 01:21:08,592 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-10-15 01:21:08,592 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-10-15 01:21:08,592 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-10-15 01:21:08,592 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-10-15 01:21:08,592 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-10-15 01:21:08,593 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-15 01:21:08,593 INFO L446 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2019-10-15 01:21:08,593 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-15 01:21:08,593 INFO L446 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: true [2019-10-15 01:21:08,593 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-15 01:21:08,595 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-15 01:21:08,595 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-15 01:21:08,595 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-15 01:21:08,596 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-15 01:21:08,596 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-15 01:21:08,596 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 193 215) the Hoare annotation is: true [2019-10-15 01:21:08,596 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2019-10-15 01:21:08,596 INFO L446 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2019-10-15 01:21:08,597 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2019-10-15 01:21:08,597 INFO L446 ceAbstractionStarter]: At program point L205-1(line 205) the Hoare annotation is: true [2019-10-15 01:21:08,597 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-15 01:21:08,597 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2019-10-15 01:21:08,597 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-15 01:21:08,597 INFO L446 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2019-10-15 01:21:08,597 INFO L446 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: true [2019-10-15 01:21:08,598 INFO L446 ceAbstractionStarter]: At program point L199-1(line 199) the Hoare annotation is: true [2019-10-15 01:21:08,598 INFO L443 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2019-10-15 01:21:08,598 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-15 01:21:08,598 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2019-10-15 01:21:08,598 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-15 01:21:08,598 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-15 01:21:08,598 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-15 01:21:08,598 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2019-10-15 01:21:08,599 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-15 01:21:08,599 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2019-10-15 01:21:08,599 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-15 01:21:08,599 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-15 01:21:08,599 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-10-15 01:21:08,600 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-15 01:21:08,600 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-15 01:21:08,600 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-15 01:21:08,600 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-15 01:21:08,600 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-15 01:21:08,600 INFO L446 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: true [2019-10-15 01:21:08,600 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-10-15 01:21:08,600 INFO L446 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2019-10-15 01:21:08,601 INFO L446 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: true [2019-10-15 01:21:08,601 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-10-15 01:21:08,601 INFO L446 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2019-10-15 01:21:08,601 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: true [2019-10-15 01:21:08,601 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-15 01:21:08,601 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-10-15 01:21:08,601 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2019-10-15 01:21:08,601 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2019-10-15 01:21:08,602 INFO L446 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2019-10-15 01:21:08,602 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2019-10-15 01:21:08,602 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: true [2019-10-15 01:21:08,602 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2019-10-15 01:21:08,602 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2019-10-15 01:21:08,602 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2019-10-15 01:21:08,602 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2019-10-15 01:21:08,603 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-10-15 01:21:08,603 INFO L446 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2019-10-15 01:21:08,603 INFO L443 ceAbstractionStarter]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2019-10-15 01:21:08,603 INFO L443 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2019-10-15 01:21:08,603 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2019-10-15 01:21:08,603 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2019-10-15 01:21:08,603 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2019-10-15 01:21:08,603 INFO L443 ceAbstractionStarter]: For program point L826(lines 826 834) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 819 854) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2019-10-15 01:21:08,604 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2019-10-15 01:21:08,605 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-15 01:21:08,605 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-10-15 01:21:08,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2019-10-15 01:21:08,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2019-10-15 01:21:08,605 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 316 361) no Hoare annotation was computed. [2019-10-15 01:21:08,605 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 629 674) no Hoare annotation was computed. [2019-10-15 01:21:08,605 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2019-10-15 01:21:08,606 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 656) no Hoare annotation was computed. [2019-10-15 01:21:08,606 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2019-10-15 01:21:08,606 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 663) no Hoare annotation was computed. [2019-10-15 01:21:08,606 INFO L443 ceAbstractionStarter]: For program point L643-1(lines 643 663) no Hoare annotation was computed. [2019-10-15 01:21:08,606 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: true [2019-10-15 01:21:08,606 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2019-10-15 01:21:08,606 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2019-10-15 01:21:08,606 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2019-10-15 01:21:08,607 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2019-10-15 01:21:08,607 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2019-10-15 01:21:08,607 INFO L446 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: true [2019-10-15 01:21:08,607 INFO L443 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2019-10-15 01:21:08,607 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2019-10-15 01:21:08,607 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2019-10-15 01:21:08,607 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2019-10-15 01:21:08,607 INFO L446 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2019-10-15 01:21:08,608 INFO L443 ceAbstractionStarter]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2019-10-15 01:21:08,608 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2019-10-15 01:21:08,608 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: true [2019-10-15 01:21:08,608 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-10-15 01:21:08,608 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-10-15 01:21:08,608 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2019-10-15 01:21:08,608 INFO L446 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: true [2019-10-15 01:21:08,609 INFO L443 ceAbstractionStarter]: For program point L747-1(line 747) no Hoare annotation was computed. [2019-10-15 01:21:08,609 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2019-10-15 01:21:08,609 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2019-10-15 01:21:08,609 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2019-10-15 01:21:08,609 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 898 965) the Hoare annotation is: true [2019-10-15 01:21:08,609 INFO L446 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: true [2019-10-15 01:21:08,609 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2019-10-15 01:21:08,609 INFO L446 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: true [2019-10-15 01:21:08,610 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2019-10-15 01:21:08,610 INFO L446 ceAbstractionStarter]: At program point L946-1(lines 938 953) the Hoare annotation is: true [2019-10-15 01:21:08,610 INFO L443 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2019-10-15 01:21:08,610 INFO L446 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2019-10-15 01:21:08,610 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2019-10-15 01:21:08,614 INFO L446 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: true [2019-10-15 01:21:08,615 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2019-10-15 01:21:08,615 INFO L443 ceAbstractionStarter]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2019-10-15 01:21:08,615 INFO L446 ceAbstractionStarter]: At program point L955(lines 908 957) the Hoare annotation is: true [2019-10-15 01:21:08,615 INFO L446 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: true [2019-10-15 01:21:08,615 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-10-15 01:21:08,615 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2019-10-15 01:21:08,615 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-15 01:21:08,615 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2019-10-15 01:21:08,616 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 610) no Hoare annotation was computed. [2019-10-15 01:21:08,617 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2019-10-15 01:21:08,617 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 617) no Hoare annotation was computed. [2019-10-15 01:21:08,617 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2019-10-15 01:21:08,617 INFO L443 ceAbstractionStarter]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2019-10-15 01:21:08,618 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 583 628) no Hoare annotation was computed. [2019-10-15 01:21:08,618 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2019-10-15 01:21:08,618 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 766 773) no Hoare annotation was computed. [2019-10-15 01:21:08,618 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2019-10-15 01:21:08,618 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2019-10-15 01:21:08,618 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2019-10-15 01:21:08,618 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2019-10-15 01:21:08,618 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 268 290) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 284) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-15 01:21:08,619 INFO L443 ceAbstractionStarter]: For program point L545-1(line 545) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 508) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 579) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point L550(lines 528 551) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2019-10-15 01:21:08,620 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 525) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L443 ceAbstractionStarter]: For program point L530(lines 529 549) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 567) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:08,621 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 787) no Hoare annotation was computed. [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point L779(line 779) no Hoare annotation was computed. [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2019-10-15 01:21:08,622 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2019-10-15 01:21:08,623 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2019-10-15 01:21:08,623 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2019-10-15 01:21:08,623 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2019-10-15 01:21:08,624 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: true [2019-10-15 01:21:08,624 INFO L443 ceAbstractionStarter]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2019-10-15 01:21:08,624 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2019-10-15 01:21:08,624 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:08,624 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:08,624 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:08,624 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-10-15 01:21:08,624 INFO L446 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: true [2019-10-15 01:21:08,624 INFO L446 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: true [2019-10-15 01:21:08,625 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: true [2019-10-15 01:21:08,625 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 705) no Hoare annotation was computed. [2019-10-15 01:21:08,625 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2019-10-15 01:21:08,625 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2019-10-15 01:21:08,626 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-15 01:21:08,626 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2019-10-15 01:21:08,626 INFO L446 ceAbstractionStarter]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2019-10-15 01:21:08,627 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2019-10-15 01:21:08,627 INFO L446 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2019-10-15 01:21:08,627 INFO L443 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2019-10-15 01:21:08,627 INFO L446 ceAbstractionStarter]: At program point L143(lines 118 147) the Hoare annotation is: true [2019-10-15 01:21:08,627 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-15 01:21:08,627 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-15 01:21:08,627 INFO L446 ceAbstractionStarter]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2019-10-15 01:21:08,627 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2019-10-15 01:21:08,628 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2019-10-15 01:21:08,628 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2019-10-15 01:21:08,628 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2019-10-15 01:21:08,628 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2019-10-15 01:21:08,628 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2019-10-15 01:21:08,628 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2019-10-15 01:21:08,628 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2019-10-15 01:21:08,628 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:08,628 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:08,629 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:08,629 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:08,629 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2019-10-15 01:21:08,629 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: true [2019-10-15 01:21:08,629 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2019-10-15 01:21:08,629 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2019-10-15 01:21:08,629 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2019-10-15 01:21:08,630 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: true [2019-10-15 01:21:08,630 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2019-10-15 01:21:08,630 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2019-10-15 01:21:08,630 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2019-10-15 01:21:08,630 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2019-10-15 01:21:08,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:08 BoogieIcfgContainer [2019-10-15 01:21:08,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:08,648 INFO L168 Benchmark]: Toolchain (without parser) took 6588.40 ms. Allocated memory was 140.0 MB in the beginning and 283.1 MB in the end (delta: 143.1 MB). Free memory was 103.1 MB in the beginning and 98.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 147.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:08,649 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:08,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.21 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 170.7 MB in the end (delta: -67.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:08,656 INFO L168 Benchmark]: Boogie Preprocessor took 81.76 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 166.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:08,656 INFO L168 Benchmark]: RCFGBuilder took 1220.39 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 166.8 MB in the beginning and 191.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:08,658 INFO L168 Benchmark]: TraceAbstraction took 4602.45 ms. Allocated memory was 234.4 MB in the beginning and 283.1 MB in the end (delta: 48.8 MB). Free memory was 191.8 MB in the beginning and 98.7 MB in the end (delta: 93.1 MB). Peak memory consumption was 141.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:08,670 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.21 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 170.7 MB in the end (delta: -67.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.76 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 166.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.39 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 166.8 MB in the beginning and 191.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4602.45 ms. Allocated memory was 234.4 MB in the beginning and 283.1 MB in the end (delta: 48.8 MB). Free memory was 191.8 MB in the beginning and 98.7 MB in the end (delta: 93.1 MB). Peak memory consumption was 141.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Result: SAFE, OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 749 SDtfs, 551 SDslu, 1767 SDs, 0 SdLazy, 593 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 731 PreInvPairs, 732 NumberOfFragments, 64 HoareAnnotationTreeSize, 731 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 154, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...