java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:35,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:35,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:35,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:35,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:35,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:35,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:35,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:35,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:35,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:35,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:35,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:35,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:35,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:35,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:35,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:35,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:35,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:35,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:35,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:35,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:35,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:35,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:35,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:35,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:35,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:35,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:35,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:35,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:35,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:35,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:35,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:35,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:35,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:35,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:35,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:35,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:35,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:35,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:35,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:35,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:35,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:35,809 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:35,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:35,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:35,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:35,811 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:35,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:35,812 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:35,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:35,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:35,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:35,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:35,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:35,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:35,813 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:35,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:35,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:35,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:35,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:35,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:35,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:35,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:35,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:35,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:35,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:35,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:35,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:35,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:35,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:35,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:36,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:36,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:36,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:36,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:36,195 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:36,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-10-13 21:22:36,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e655dbcb/846caf21a11b43f1a4994c7c0da49917/FLAGe3c860a42 [2019-10-13 21:22:36,848 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:36,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-10-13 21:22:36,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e655dbcb/846caf21a11b43f1a4994c7c0da49917/FLAGe3c860a42 [2019-10-13 21:22:37,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e655dbcb/846caf21a11b43f1a4994c7c0da49917 [2019-10-13 21:22:37,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:37,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:37,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:37,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:37,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:37,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41924b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37, skipping insertion in model container [2019-10-13 21:22:37,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,186 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:37,251 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:37,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:37,712 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:37,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:37,921 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:37,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37 WrapperNode [2019-10-13 21:22:37,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:37,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:37,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:37,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:37,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:38,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:38,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:38,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:38,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:38,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:38,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:38,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:38,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:39,241 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:39,242 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:39,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:39 BoogieIcfgContainer [2019-10-13 21:22:39,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:39,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:39,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:39,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:39,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:37" (1/3) ... [2019-10-13 21:22:39,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245e7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:39, skipping insertion in model container [2019-10-13 21:22:39,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37" (2/3) ... [2019-10-13 21:22:39,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245e7b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:39, skipping insertion in model container [2019-10-13 21:22:39,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:39" (3/3) ... [2019-10-13 21:22:39,252 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2019-10-13 21:22:39,263 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:39,272 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:39,283 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:39,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:39,311 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:39,311 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:39,311 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:39,311 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:39,312 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:39,312 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:39,312 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-13 21:22:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:39,354 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:39,355 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:39,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:39,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:39,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2019-10-13 21:22:39,374 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:39,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948872217] [2019-10-13 21:22:39,375 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,375 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:39,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948872217] [2019-10-13 21:22:39,790 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:39,791 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:39,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434709415] [2019-10-13 21:22:39,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:39,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:39,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:39,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:39,824 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-10-13 21:22:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:39,860 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2019-10-13 21:22:39,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:39,861 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:39,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:39,874 INFO L225 Difference]: With dead ends: 226 [2019-10-13 21:22:39,874 INFO L226 Difference]: Without dead ends: 115 [2019-10-13 21:22:39,879 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:39,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-13 21:22:39,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-13 21:22:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-13 21:22:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2019-10-13 21:22:39,928 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2019-10-13 21:22:39,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:39,929 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2019-10-13 21:22:39,929 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2019-10-13 21:22:39,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:39,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:39,934 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:39,934 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:39,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:39,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2019-10-13 21:22:39,935 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:39,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834801608] [2019-10-13 21:22:39,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:40,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834801608] [2019-10-13 21:22:40,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:40,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:40,095 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177283682] [2019-10-13 21:22:40,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:40,099 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:40,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:40,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:40,100 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2019-10-13 21:22:40,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:40,145 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2019-10-13 21:22:40,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:40,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 21:22:40,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:40,148 INFO L225 Difference]: With dead ends: 202 [2019-10-13 21:22:40,149 INFO L226 Difference]: Without dead ends: 115 [2019-10-13 21:22:40,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:40,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-13 21:22:40,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-13 21:22:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-13 21:22:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2019-10-13 21:22:40,172 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 64 [2019-10-13 21:22:40,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:40,174 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2019-10-13 21:22:40,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2019-10-13 21:22:40,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-13 21:22:40,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:40,177 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:40,178 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:40,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:40,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2019-10-13 21:22:40,178 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:40,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732839391] [2019-10-13 21:22:40,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:40,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732839391] [2019-10-13 21:22:40,411 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:40,411 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:40,411 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956444386] [2019-10-13 21:22:40,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:40,413 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:40,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:40,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:40,414 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 5 states. [2019-10-13 21:22:41,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,038 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2019-10-13 21:22:41,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:41,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-10-13 21:22:41,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,046 INFO L225 Difference]: With dead ends: 319 [2019-10-13 21:22:41,046 INFO L226 Difference]: Without dead ends: 232 [2019-10-13 21:22:41,048 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:41,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-10-13 21:22:41,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 208. [2019-10-13 21:22:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-10-13 21:22:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2019-10-13 21:22:41,101 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 72 [2019-10-13 21:22:41,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,102 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2019-10-13 21:22:41,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2019-10-13 21:22:41,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-13 21:22:41,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,115 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:41,115 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,115 INFO L82 PathProgramCache]: Analyzing trace with hash 840628108, now seen corresponding path program 1 times [2019-10-13 21:22:41,116 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241110126] [2019-10-13 21:22:41,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,242 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241110126] [2019-10-13 21:22:41,243 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,243 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:41,244 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85459] [2019-10-13 21:22:41,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:41,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:41,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:41,248 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand 3 states. [2019-10-13 21:22:41,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,266 INFO L93 Difference]: Finished difference Result 322 states and 377 transitions. [2019-10-13 21:22:41,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:41,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-10-13 21:22:41,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,273 INFO L225 Difference]: With dead ends: 322 [2019-10-13 21:22:41,273 INFO L226 Difference]: Without dead ends: 178 [2019-10-13 21:22:41,278 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:41,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-10-13 21:22:41,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2019-10-13 21:22:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-10-13 21:22:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2019-10-13 21:22:41,322 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 82 [2019-10-13 21:22:41,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,322 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2019-10-13 21:22:41,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2019-10-13 21:22:41,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-13 21:22:41,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,333 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:41,333 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,334 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2019-10-13 21:22:41,334 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203969905] [2019-10-13 21:22:41,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,335 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:41,506 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203969905] [2019-10-13 21:22:41,506 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,506 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:41,506 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161699522] [2019-10-13 21:22:41,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:41,507 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:41,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:41,508 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand 7 states. [2019-10-13 21:22:42,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,124 INFO L93 Difference]: Finished difference Result 345 states and 414 transitions. [2019-10-13 21:22:42,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:42,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-10-13 21:22:42,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,127 INFO L225 Difference]: With dead ends: 345 [2019-10-13 21:22:42,127 INFO L226 Difference]: Without dead ends: 195 [2019-10-13 21:22:42,129 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:42,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-10-13 21:22:42,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2019-10-13 21:22:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-10-13 21:22:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2019-10-13 21:22:42,142 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 86 [2019-10-13 21:22:42,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,143 INFO L462 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2019-10-13 21:22:42,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2019-10-13 21:22:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:42,145 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,145 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:42,146 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2019-10-13 21:22:42,146 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,147 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145173068] [2019-10-13 21:22:42,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145173068] [2019-10-13 21:22:42,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:42,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779321739] [2019-10-13 21:22:42,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:42,230 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:42,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:42,231 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 6 states. [2019-10-13 21:22:42,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,275 INFO L93 Difference]: Finished difference Result 331 states and 389 transitions. [2019-10-13 21:22:42,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:42,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-13 21:22:42,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,279 INFO L225 Difference]: With dead ends: 331 [2019-10-13 21:22:42,279 INFO L226 Difference]: Without dead ends: 182 [2019-10-13 21:22:42,280 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:42,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-10-13 21:22:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2019-10-13 21:22:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-10-13 21:22:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 209 transitions. [2019-10-13 21:22:42,300 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 209 transitions. Word has length 87 [2019-10-13 21:22:42,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,301 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 209 transitions. [2019-10-13 21:22:42,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2019-10-13 21:22:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:42,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,302 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:42,303 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,303 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2019-10-13 21:22:42,303 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865620278] [2019-10-13 21:22:42,304 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,304 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865620278] [2019-10-13 21:22:42,404 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:42,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19609369] [2019-10-13 21:22:42,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:42,406 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:42,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:42,407 INFO L87 Difference]: Start difference. First operand 182 states and 209 transitions. Second operand 8 states. [2019-10-13 21:22:42,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,445 INFO L93 Difference]: Finished difference Result 343 states and 405 transitions. [2019-10-13 21:22:42,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:42,446 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2019-10-13 21:22:42,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,448 INFO L225 Difference]: With dead ends: 343 [2019-10-13 21:22:42,448 INFO L226 Difference]: Without dead ends: 189 [2019-10-13 21:22:42,449 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:42,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-10-13 21:22:42,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2019-10-13 21:22:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-10-13 21:22:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2019-10-13 21:22:42,466 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 87 [2019-10-13 21:22:42,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,466 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2019-10-13 21:22:42,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2019-10-13 21:22:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:42,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,468 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:42,468 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2019-10-13 21:22:42,469 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037212082] [2019-10-13 21:22:42,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,470 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,549 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037212082] [2019-10-13 21:22:42,549 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,549 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:42,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663584412] [2019-10-13 21:22:42,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:42,550 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:42,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:42,551 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand 4 states. [2019-10-13 21:22:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,836 INFO L93 Difference]: Finished difference Result 534 states and 643 transitions. [2019-10-13 21:22:42,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:42,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2019-10-13 21:22:42,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,842 INFO L225 Difference]: With dead ends: 534 [2019-10-13 21:22:42,842 INFO L226 Difference]: Without dead ends: 376 [2019-10-13 21:22:42,844 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:42,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-13 21:22:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 367. [2019-10-13 21:22:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-13 21:22:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 431 transitions. [2019-10-13 21:22:42,888 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 431 transitions. Word has length 87 [2019-10-13 21:22:42,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,889 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 431 transitions. [2019-10-13 21:22:42,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:42,889 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 431 transitions. [2019-10-13 21:22:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-13 21:22:42,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,893 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:42,893 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2019-10-13 21:22:42,893 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,894 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096563663] [2019-10-13 21:22:42,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:43,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096563663] [2019-10-13 21:22:43,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:43,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:43,095 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719586598] [2019-10-13 21:22:43,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:43,096 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:43,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:43,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:43,097 INFO L87 Difference]: Start difference. First operand 367 states and 431 transitions. Second operand 9 states. [2019-10-13 21:22:44,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,017 INFO L93 Difference]: Finished difference Result 962 states and 1183 transitions. [2019-10-13 21:22:44,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:44,018 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2019-10-13 21:22:44,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,022 INFO L225 Difference]: With dead ends: 962 [2019-10-13 21:22:44,022 INFO L226 Difference]: Without dead ends: 686 [2019-10-13 21:22:44,024 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:44,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-10-13 21:22:44,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 616. [2019-10-13 21:22:44,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2019-10-13 21:22:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 715 transitions. [2019-10-13 21:22:44,071 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 715 transitions. Word has length 91 [2019-10-13 21:22:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,073 INFO L462 AbstractCegarLoop]: Abstraction has 616 states and 715 transitions. [2019-10-13 21:22:44,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:44,073 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 715 transitions. [2019-10-13 21:22:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-13 21:22:44,077 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,077 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:44,078 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,078 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2019-10-13 21:22:44,078 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481398337] [2019-10-13 21:22:44,079 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,079 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:44,220 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481398337] [2019-10-13 21:22:44,220 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171993182] [2019-10-13 21:22:44,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:44,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:44,641 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:45,041 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1688734213] [2019-10-13 21:22:45,048 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 135 [2019-10-13 21:22:45,114 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:45,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:45,209 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:45,213 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:45,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,217 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:45,307 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:45,307 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:45,316 INFO L553 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2019-10-13 21:22:45,316 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:45,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:45,318 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:45,318 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536548870] [2019-10-13 21:22:45,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:45,320 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:45,320 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:45,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:45,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:45,321 INFO L87 Difference]: Start difference. First operand 616 states and 715 transitions. Second operand 2 states. [2019-10-13 21:22:45,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,337 INFO L93 Difference]: Finished difference Result 616 states and 715 transitions. [2019-10-13 21:22:45,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:45,337 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-10-13 21:22:45,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,338 INFO L225 Difference]: With dead ends: 616 [2019-10-13 21:22:45,338 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:45,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:45,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2019-10-13 21:22:45,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,341 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:45,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:45,342 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:45,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:45,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:45,828 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:45,828 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:45,828 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:22:45,828 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:45,829 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:45,830 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:45,830 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:22:45,830 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:45,830 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:22:45,830 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:45,830 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:22:45,831 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2019-10-13 21:22:45,831 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2019-10-13 21:22:45,831 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2019-10-13 21:22:45,831 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2019-10-13 21:22:45,831 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2019-10-13 21:22:45,831 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: true [2019-10-13 21:22:45,831 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2019-10-13 21:22:45,832 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2019-10-13 21:22:45,832 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: true [2019-10-13 21:22:45,832 INFO L443 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2019-10-13 21:22:45,832 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2019-10-13 21:22:45,832 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2019-10-13 21:22:45,832 INFO L446 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: true [2019-10-13 21:22:45,833 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2019-10-13 21:22:45,833 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2019-10-13 21:22:45,833 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2019-10-13 21:22:45,833 INFO L446 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2019-10-13 21:22:45,833 INFO L443 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2019-10-13 21:22:45,833 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2019-10-13 21:22:45,833 INFO L443 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2019-10-13 21:22:45,833 INFO L443 ceAbstractionStarter]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2019-10-13 21:22:45,834 INFO L446 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2019-10-13 21:22:45,834 INFO L443 ceAbstractionStarter]: For program point L905-1(line 905) no Hoare annotation was computed. [2019-10-13 21:22:45,834 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 752 774) the Hoare annotation is: true [2019-10-13 21:22:45,834 INFO L446 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: true [2019-10-13 21:22:45,834 INFO L446 ceAbstractionStarter]: At program point L764-1(line 764) the Hoare annotation is: true [2019-10-13 21:22:45,834 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2019-10-13 21:22:45,834 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2019-10-13 21:22:45,834 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2019-10-13 21:22:45,835 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-13 21:22:45,835 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-13 21:22:45,835 INFO L446 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: true [2019-10-13 21:22:45,835 INFO L446 ceAbstractionStarter]: At program point L758-1(line 758) the Hoare annotation is: true [2019-10-13 21:22:45,835 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2019-10-13 21:22:45,835 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2019-10-13 21:22:45,835 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2019-10-13 21:22:45,835 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L727(line 727) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-10-13 21:22:45,836 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L443 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L443 ceAbstractionStarter]: For program point L714(line 714) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2019-10-13 21:22:45,837 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 611) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point L603-2(lines 603 611) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 599) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 584 619) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 584 619) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-10-13 21:22:45,838 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-13 21:22:45,839 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 584 619) no Hoare annotation was computed. [2019-10-13 21:22:45,839 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2019-10-13 21:22:45,839 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2019-10-13 21:22:45,839 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:45,839 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:45,839 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:45,839 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:22:45,839 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:45,840 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:45,840 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:45,840 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:45,840 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:45,840 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: true [2019-10-13 21:22:45,840 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2019-10-13 21:22:45,841 INFO L446 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: true [2019-10-13 21:22:45,841 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2019-10-13 21:22:45,841 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 564 574) no Hoare annotation was computed. [2019-10-13 21:22:45,841 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 564 574) no Hoare annotation was computed. [2019-10-13 21:22:45,841 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 21:22:45,842 INFO L443 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2019-10-13 21:22:45,842 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 564 574) no Hoare annotation was computed. [2019-10-13 21:22:45,842 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 556 563) no Hoare annotation was computed. [2019-10-13 21:22:45,842 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 556 563) no Hoare annotation was computed. [2019-10-13 21:22:45,842 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 556 563) no Hoare annotation was computed. [2019-10-13 21:22:45,843 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2019-10-13 21:22:45,843 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2019-10-13 21:22:45,843 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2019-10-13 21:22:45,843 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2019-10-13 21:22:45,843 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-10-13 21:22:45,843 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2019-10-13 21:22:45,844 INFO L446 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: true [2019-10-13 21:22:45,844 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2019-10-13 21:22:45,844 INFO L446 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: true [2019-10-13 21:22:45,844 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: true [2019-10-13 21:22:45,844 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2019-10-13 21:22:45,845 INFO L446 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: true [2019-10-13 21:22:45,845 INFO L443 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2019-10-13 21:22:45,845 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2019-10-13 21:22:45,845 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2019-10-13 21:22:45,845 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2019-10-13 21:22:45,846 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: true [2019-10-13 21:22:45,846 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-10-13 21:22:45,846 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-10-13 21:22:45,846 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-10-13 21:22:45,846 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2019-10-13 21:22:45,847 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-10-13 21:22:45,847 INFO L446 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: true [2019-10-13 21:22:45,847 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-13 21:22:45,847 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-10-13 21:22:45,847 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-13 21:22:45,848 INFO L446 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: true [2019-10-13 21:22:45,848 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-10-13 21:22:45,848 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: true [2019-10-13 21:22:45,848 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-10-13 21:22:45,848 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2019-10-13 21:22:45,848 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-10-13 21:22:45,849 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:45,849 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:45,849 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:45,849 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:22:45,849 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:45,850 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:45,850 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-10-13 21:22:45,850 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 833 855) no Hoare annotation was computed. [2019-10-13 21:22:45,850 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2019-10-13 21:22:45,850 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 833 855) no Hoare annotation was computed. [2019-10-13 21:22:45,850 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 833 855) no Hoare annotation was computed. [2019-10-13 21:22:45,851 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:22:45,851 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:45,851 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:22:45,851 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:22:45,851 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:22:45,852 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:22:45,852 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:45,852 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:22:45,852 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:45,852 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:22:45,852 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:45,853 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:22:45,853 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:45,853 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:45,853 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:22:45,853 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:22:45,853 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 644 653) no Hoare annotation was computed. [2019-10-13 21:22:45,854 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 644 653) no Hoare annotation was computed. [2019-10-13 21:22:45,854 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 644 653) no Hoare annotation was computed. [2019-10-13 21:22:45,854 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:45,854 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:45,855 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:45,855 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2019-10-13 21:22:45,855 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2019-10-13 21:22:45,855 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: true [2019-10-13 21:22:45,855 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2019-10-13 21:22:45,856 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2019-10-13 21:22:45,856 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-10-13 21:22:45,856 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2019-10-13 21:22:45,856 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-10-13 21:22:45,856 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2019-10-13 21:22:45,856 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-13 21:22:45,857 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2019-10-13 21:22:45,857 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2019-10-13 21:22:45,857 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2019-10-13 21:22:45,857 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:45,857 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:45,857 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:45,857 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2019-10-13 21:22:45,858 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: true [2019-10-13 21:22:45,858 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2019-10-13 21:22:45,858 INFO L446 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: true [2019-10-13 21:22:45,858 INFO L446 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: true [2019-10-13 21:22:45,858 INFO L446 ceAbstractionStarter]: At program point L497(line 497) the Hoare annotation is: true [2019-10-13 21:22:45,858 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: true [2019-10-13 21:22:45,859 INFO L443 ceAbstractionStarter]: For program point L495(lines 491 513) no Hoare annotation was computed. [2019-10-13 21:22:45,859 INFO L443 ceAbstractionStarter]: For program point L493(lines 491 513) no Hoare annotation was computed. [2019-10-13 21:22:45,859 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2019-10-13 21:22:45,859 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2019-10-13 21:22:45,859 INFO L446 ceAbstractionStarter]: At program point L704(lines 679 708) the Hoare annotation is: true [2019-10-13 21:22:45,860 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2019-10-13 21:22:45,860 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2019-10-13 21:22:45,860 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-10-13 21:22:45,860 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-10-13 21:22:45,860 INFO L446 ceAbstractionStarter]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2019-10-13 21:22:45,860 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-10-13 21:22:45,861 INFO L446 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2019-10-13 21:22:45,861 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-10-13 21:22:45,861 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-10-13 21:22:45,861 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 824 832) no Hoare annotation was computed. [2019-10-13 21:22:45,861 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 824 832) no Hoare annotation was computed. [2019-10-13 21:22:45,861 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 824 832) no Hoare annotation was computed. [2019-10-13 21:22:45,862 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: true [2019-10-13 21:22:45,862 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2019-10-13 21:22:45,862 INFO L443 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2019-10-13 21:22:45,862 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2019-10-13 21:22:45,862 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2019-10-13 21:22:45,862 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:45,863 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:45,863 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:45,863 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:45,863 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2019-10-13 21:22:45,863 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: true [2019-10-13 21:22:45,863 INFO L443 ceAbstractionStarter]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2019-10-13 21:22:45,864 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2019-10-13 21:22:45,864 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-10-13 21:22:45,864 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2019-10-13 21:22:45,864 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2019-10-13 21:22:45,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:45 BoogieIcfgContainer [2019-10-13 21:22:45,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:45,879 INFO L168 Benchmark]: Toolchain (without parser) took 8712.68 ms. Allocated memory was 143.1 MB in the beginning and 344.5 MB in the end (delta: 201.3 MB). Free memory was 99.4 MB in the beginning and 195.0 MB in the end (delta: -95.6 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:45,880 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:45,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.22 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 99.2 MB in the beginning and 167.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:45,881 INFO L168 Benchmark]: Boogie Preprocessor took 116.75 ms. Allocated memory is still 200.3 MB. Free memory was 167.6 MB in the beginning and 163.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:45,882 INFO L168 Benchmark]: RCFGBuilder took 1203.57 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 163.5 MB in the beginning and 195.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:45,883 INFO L168 Benchmark]: TraceAbstraction took 6631.02 ms. Allocated memory was 229.6 MB in the beginning and 344.5 MB in the end (delta: 114.8 MB). Free memory was 195.1 MB in the beginning and 195.0 MB in the end (delta: 128.1 kB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:45,887 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 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.22 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 99.2 MB in the beginning and 167.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.75 ms. Allocated memory is still 200.3 MB. Free memory was 167.6 MB in the beginning and 163.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1203.57 ms. Allocated memory was 200.3 MB in the beginning and 229.6 MB in the end (delta: 29.4 MB). Free memory was 163.5 MB in the beginning and 195.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6631.02 ms. Allocated memory was 229.6 MB in the beginning and 344.5 MB in the end (delta: 114.8 MB). Free memory was 195.1 MB in the beginning and 195.0 MB in the end (delta: 128.1 kB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1291 SDtfs, 930 SDslu, 2231 SDs, 0 SdLazy, 1349 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 124 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 716 PreInvPairs, 720 NumberOfFragments, 62 HoareAnnotationTreeSize, 716 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 983 NumberOfCodeBlocks, 983 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 188873 SizeOfPredicates, 4 NumberOfNonLiveVariables, 863 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 170, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8872180451127819, 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...