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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:53,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:53,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:53,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:53,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:53,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:53,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:53,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:53,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:53,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:53,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:53,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:53,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:53,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:53,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:53,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:53,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:53,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:53,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:53,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:53,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:53,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:53,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:53,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:53,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:53,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:53,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:53,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:53,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:53,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:53,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:53,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:53,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:53,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:53,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:53,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:53,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:53,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:53,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:53,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:53,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:53,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:53,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:53,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:53,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:53,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:53,906 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:53,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:53,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:53,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:53,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:53,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:53,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:53,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:53,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:53,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:53,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:53,909 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:53,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:53,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:53,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:53,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:53,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:53,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:53,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:53,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:53,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:53,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:53,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:53,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:53,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:54,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:54,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:54,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:54,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:54,243 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:54,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2019-10-15 01:21:54,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3d13697/ccb837f8d7aa4b1885e8b4ddea77c09d/FLAG7def0a36d [2019-10-15 01:21:54,922 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:54,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2019-10-15 01:21:54,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3d13697/ccb837f8d7aa4b1885e8b4ddea77c09d/FLAG7def0a36d [2019-10-15 01:21:55,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b3d13697/ccb837f8d7aa4b1885e8b4ddea77c09d [2019-10-15 01:21:55,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:55,247 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:55,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:55,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:55,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:55,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af97dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55, skipping insertion in model container [2019-10-15 01:21:55,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,262 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:55,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:55,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:55,749 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:55,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:55,914 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:55,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55 WrapperNode [2019-10-15 01:21:55,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:55,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:55,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:55,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:55,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:55,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:56,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:56,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... [2019-10-15 01:21:56,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:56,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:56,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:56,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:56,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:21:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:21:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:21:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:56,137 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:56,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:56,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:56,141 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:21:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:21:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:21:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 01:21:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:57,349 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:57,350 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:57,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:57 BoogieIcfgContainer [2019-10-15 01:21:57,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:57,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:57,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:57,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:57,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:55" (1/3) ... [2019-10-15 01:21:57,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d51f6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:57, skipping insertion in model container [2019-10-15 01:21:57,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:55" (2/3) ... [2019-10-15 01:21:57,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d51f6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:57, skipping insertion in model container [2019-10-15 01:21:57,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:57" (3/3) ... [2019-10-15 01:21:57,364 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2019-10-15 01:21:57,375 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:57,386 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:57,399 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:57,445 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:57,446 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:57,446 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:57,446 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:57,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:57,447 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:57,447 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:57,447 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-10-15 01:21:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:57,491 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:57,492 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:57,494 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:57,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:57,501 INFO L82 PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times [2019-10-15 01:21:57,511 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:57,511 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435857560] [2019-10-15 01:21:57,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:57,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:57,907 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435857560] [2019-10-15 01:21:57,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:57,911 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:57,911 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39202276] [2019-10-15 01:21:57,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:57,919 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:57,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:57,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:57,946 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-10-15 01:21:58,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:58,011 INFO L93 Difference]: Finished difference Result 308 states and 381 transitions. [2019-10-15 01:21:58,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:58,012 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:58,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:58,044 INFO L225 Difference]: With dead ends: 308 [2019-10-15 01:21:58,044 INFO L226 Difference]: Without dead ends: 156 [2019-10-15 01:21:58,054 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-15 01:21:58,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-15 01:21:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-15 01:21:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2019-10-15 01:21:58,134 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2019-10-15 01:21:58,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:58,135 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2019-10-15 01:21:58,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2019-10-15 01:21:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:21:58,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:58,140 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] [2019-10-15 01:21:58,141 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:58,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:58,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times [2019-10-15 01:21:58,141 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:58,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970250739] [2019-10-15 01:21:58,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:58,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970250739] [2019-10-15 01:21:58,385 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:58,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:58,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529760924] [2019-10-15 01:21:58,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:58,388 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:58,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:58,388 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 7 states. [2019-10-15 01:21:58,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:58,819 INFO L93 Difference]: Finished difference Result 284 states and 343 transitions. [2019-10-15 01:21:58,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:58,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-15 01:21:58,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:58,827 INFO L225 Difference]: With dead ends: 284 [2019-10-15 01:21:58,827 INFO L226 Difference]: Without dead ends: 156 [2019-10-15 01:21:58,830 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-15 01:21:58,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-15 01:21:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-15 01:21:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2019-10-15 01:21:58,871 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64 [2019-10-15 01:21:58,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:58,880 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2019-10-15 01:21:58,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2019-10-15 01:21:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-15 01:21:58,890 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:58,890 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:58,895 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:58,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:58,896 INFO L82 PathProgramCache]: Analyzing trace with hash 681754523, now seen corresponding path program 1 times [2019-10-15 01:21:58,896 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:58,897 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934999645] [2019-10-15 01:21:58,897 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,897 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:58,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:59,034 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934999645] [2019-10-15 01:21:59,034 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:59,034 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:59,034 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989257942] [2019-10-15 01:21:59,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:59,035 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:59,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:59,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:59,036 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states. [2019-10-15 01:21:59,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:59,050 INFO L93 Difference]: Finished difference Result 257 states and 301 transitions. [2019-10-15 01:21:59,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:59,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-10-15 01:21:59,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:59,053 INFO L225 Difference]: With dead ends: 257 [2019-10-15 01:21:59,053 INFO L226 Difference]: Without dead ends: 147 [2019-10-15 01:21:59,054 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:59,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-15 01:21:59,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-15 01:21:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-15 01:21:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2019-10-15 01:21:59,069 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 78 [2019-10-15 01:21:59,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:59,070 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2019-10-15 01:21:59,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2019-10-15 01:21:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-15 01:21:59,073 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:59,074 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] [2019-10-15 01:21:59,074 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:59,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:59,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times [2019-10-15 01:21:59,075 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:59,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105745618] [2019-10-15 01:21:59,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:59,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105745618] [2019-10-15 01:21:59,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:59,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:21:59,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660720331] [2019-10-15 01:21:59,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:21:59,211 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:59,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:21:59,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:59,213 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 5 states. [2019-10-15 01:21:59,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:59,798 INFO L93 Difference]: Finished difference Result 375 states and 455 transitions. [2019-10-15 01:21:59,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:59,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2019-10-15 01:21:59,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:59,805 INFO L225 Difference]: With dead ends: 375 [2019-10-15 01:21:59,806 INFO L226 Difference]: Without dead ends: 256 [2019-10-15 01:21:59,808 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-10-15 01:21:59,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2019-10-15 01:21:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-10-15 01:21:59,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 272 transitions. [2019-10-15 01:21:59,858 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 272 transitions. Word has length 82 [2019-10-15 01:21:59,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:59,858 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 272 transitions. [2019-10-15 01:21:59,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:21:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 272 transitions. [2019-10-15 01:21:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-15 01:21:59,862 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:59,862 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:59,862 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:59,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:59,863 INFO L82 PathProgramCache]: Analyzing trace with hash -856267590, now seen corresponding path program 1 times [2019-10-15 01:21:59,863 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:59,863 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431196648] [2019-10-15 01:21:59,863 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,863 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:59,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:00,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:22:00,061 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431196648] [2019-10-15 01:22:00,061 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:00,062 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:00,062 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022745611] [2019-10-15 01:22:00,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:00,063 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:00,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:00,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:00,063 INFO L87 Difference]: Start difference. First operand 238 states and 272 transitions. Second operand 7 states. [2019-10-15 01:22:00,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:00,724 INFO L93 Difference]: Finished difference Result 465 states and 547 transitions. [2019-10-15 01:22:00,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:22:00,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2019-10-15 01:22:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:00,754 INFO L225 Difference]: With dead ends: 465 [2019-10-15 01:22:00,754 INFO L226 Difference]: Without dead ends: 255 [2019-10-15 01:22:00,755 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:22:00,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2019-10-15 01:22:00,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 237. [2019-10-15 01:22:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-10-15 01:22:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 269 transitions. [2019-10-15 01:22:00,786 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 269 transitions. Word has length 96 [2019-10-15 01:22:00,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:00,787 INFO L462 AbstractCegarLoop]: Abstraction has 237 states and 269 transitions. [2019-10-15 01:22:00,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2019-10-15 01:22:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-15 01:22:00,789 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:00,792 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:00,792 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:00,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:00,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1083119363, now seen corresponding path program 1 times [2019-10-15 01:22:00,793 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:00,793 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455187562] [2019-10-15 01:22:00,793 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,793 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:00,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:00,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455187562] [2019-10-15 01:22:00,895 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:00,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:22:00,895 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750992571] [2019-10-15 01:22:00,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:22:00,897 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:00,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:22:00,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:22:00,898 INFO L87 Difference]: Start difference. First operand 237 states and 269 transitions. Second operand 6 states. [2019-10-15 01:22:00,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:00,943 INFO L93 Difference]: Finished difference Result 451 states and 521 transitions. [2019-10-15 01:22:00,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:00,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2019-10-15 01:22:00,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:00,951 INFO L225 Difference]: With dead ends: 451 [2019-10-15 01:22:00,951 INFO L226 Difference]: Without dead ends: 242 [2019-10-15 01:22:00,953 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:00,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-10-15 01:22:00,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2019-10-15 01:22:00,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-10-15 01:22:00,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2019-10-15 01:22:00,995 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 97 [2019-10-15 01:22:00,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:00,996 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2019-10-15 01:22:00,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:22:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2019-10-15 01:22:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-15 01:22:01,001 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,001 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:01,001 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times [2019-10-15 01:22:01,002 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,002 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524957661] [2019-10-15 01:22:01,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:01,119 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524957661] [2019-10-15 01:22:01,119 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,120 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:22:01,120 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331381093] [2019-10-15 01:22:01,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:22:01,121 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:22:01,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:01,122 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 8 states. [2019-10-15 01:22:01,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,161 INFO L93 Difference]: Finished difference Result 463 states and 539 transitions. [2019-10-15 01:22:01,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:22:01,162 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2019-10-15 01:22:01,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,165 INFO L225 Difference]: With dead ends: 463 [2019-10-15 01:22:01,165 INFO L226 Difference]: Without dead ends: 249 [2019-10-15 01:22:01,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:01,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-10-15 01:22:01,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 246. [2019-10-15 01:22:01,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-10-15 01:22:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 278 transitions. [2019-10-15 01:22:01,193 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 278 transitions. Word has length 97 [2019-10-15 01:22:01,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,195 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 278 transitions. [2019-10-15 01:22:01,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:22:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 278 transitions. [2019-10-15 01:22:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-15 01:22:01,198 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,199 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:01,200 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times [2019-10-15 01:22:01,200 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728832224] [2019-10-15 01:22:01,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:01,308 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728832224] [2019-10-15 01:22:01,308 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,308 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:22:01,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839370336] [2019-10-15 01:22:01,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:22:01,309 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:22:01,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:01,311 INFO L87 Difference]: Start difference. First operand 246 states and 278 transitions. Second operand 4 states. [2019-10-15 01:22:01,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:01,571 INFO L93 Difference]: Finished difference Result 720 states and 854 transitions. [2019-10-15 01:22:01,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:22:01,572 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2019-10-15 01:22:01,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:01,576 INFO L225 Difference]: With dead ends: 720 [2019-10-15 01:22:01,576 INFO L226 Difference]: Without dead ends: 502 [2019-10-15 01:22:01,577 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 [2019-10-15 01:22:01,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2019-10-15 01:22:01,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 493. [2019-10-15 01:22:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-15 01:22:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 573 transitions. [2019-10-15 01:22:01,615 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 573 transitions. Word has length 97 [2019-10-15 01:22:01,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:01,615 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 573 transitions. [2019-10-15 01:22:01,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:22:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 573 transitions. [2019-10-15 01:22:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-15 01:22:01,618 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:01,618 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:01,618 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:01,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:01,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times [2019-10-15 01:22:01,619 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:01,619 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832378161] [2019-10-15 01:22:01,619 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,619 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:01,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:01,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832378161] [2019-10-15 01:22:01,856 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:01,856 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:01,856 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617906526] [2019-10-15 01:22:01,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:01,857 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:01,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:01,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:01,858 INFO L87 Difference]: Start difference. First operand 493 states and 573 transitions. Second operand 9 states. [2019-10-15 01:22:02,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:02,868 INFO L93 Difference]: Finished difference Result 1284 states and 1562 transitions. [2019-10-15 01:22:02,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:02,869 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2019-10-15 01:22:02,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:02,874 INFO L225 Difference]: With dead ends: 1284 [2019-10-15 01:22:02,874 INFO L226 Difference]: Without dead ends: 892 [2019-10-15 01:22:02,876 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 [2019-10-15 01:22:02,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-10-15 01:22:02,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 816. [2019-10-15 01:22:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2019-10-15 01:22:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 937 transitions. [2019-10-15 01:22:02,925 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 937 transitions. Word has length 101 [2019-10-15 01:22:02,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:02,926 INFO L462 AbstractCegarLoop]: Abstraction has 816 states and 937 transitions. [2019-10-15 01:22:02,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:02,926 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 937 transitions. [2019-10-15 01:22:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-15 01:22:02,929 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:02,929 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:02,929 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:02,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:02,930 INFO L82 PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times [2019-10-15 01:22:02,930 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:02,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033980800] [2019-10-15 01:22:02,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:02,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:02,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 01:22:03,295 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033980800] [2019-10-15 01:22:03,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254906630] [2019-10-15 01:22:03,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:03,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:03,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:22:03,826 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 01:22:04,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1707076434] [2019-10-15 01:22:04,252 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 179 [2019-10-15 01:22:04,294 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:04,294 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:04,358 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:04,360 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:22:04,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:04,365 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:04,452 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:04,453 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:04,461 INFO L553 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2019-10-15 01:22:04,461 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:04,462 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:04,468 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:22:04,468 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111844823] [2019-10-15 01:22:04,469 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:04,470 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:04,470 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:04,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:04,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:04,471 INFO L87 Difference]: Start difference. First operand 816 states and 937 transitions. Second operand 2 states. [2019-10-15 01:22:04,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:04,485 INFO L93 Difference]: Finished difference Result 816 states and 937 transitions. [2019-10-15 01:22:04,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:04,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 178 [2019-10-15 01:22:04,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:04,486 INFO L225 Difference]: With dead ends: 816 [2019-10-15 01:22:04,486 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:04,489 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:04,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:04,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:04,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:04,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-15 01:22:04,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:04,490 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:04,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:04,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:04,696 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:04,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:04,994 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:22:04,995 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:22:04,995 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:22:04,995 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:22:04,995 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:22:04,995 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:22:04,995 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:22:04,995 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:22:04,996 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:22:04,997 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:22:04,997 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:22:04,997 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2019-10-15 01:22:04,997 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2019-10-15 01:22:04,997 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2019-10-15 01:22:04,997 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2019-10-15 01:22:04,997 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2019-10-15 01:22:04,998 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: true [2019-10-15 01:22:04,998 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2019-10-15 01:22:04,998 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2019-10-15 01:22:04,998 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: true [2019-10-15 01:22:04,998 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-15 01:22:04,998 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2019-10-15 01:22:04,998 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2019-10-15 01:22:04,999 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-10-15 01:22:04,999 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2019-10-15 01:22:04,999 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2019-10-15 01:22:04,999 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 793) no Hoare annotation was computed. [2019-10-15 01:22:04,999 INFO L446 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2019-10-15 01:22:04,999 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-15 01:22:04,999 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2019-10-15 01:22:05,000 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2019-10-15 01:22:05,000 INFO L443 ceAbstractionStarter]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2019-10-15 01:22:05,000 INFO L446 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: true [2019-10-15 01:22:05,000 INFO L443 ceAbstractionStarter]: For program point L777-1(line 777) no Hoare annotation was computed. [2019-10-15 01:22:05,000 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 874 896) the Hoare annotation is: true [2019-10-15 01:22:05,000 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2019-10-15 01:22:05,000 INFO L446 ceAbstractionStarter]: At program point L886(line 886) the Hoare annotation is: true [2019-10-15 01:22:05,001 INFO L446 ceAbstractionStarter]: At program point L886-1(line 886) the Hoare annotation is: true [2019-10-15 01:22:05,001 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2019-10-15 01:22:05,001 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2019-10-15 01:22:05,001 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-15 01:22:05,001 INFO L446 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: true [2019-10-15 01:22:05,001 INFO L446 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: true [2019-10-15 01:22:05,001 INFO L446 ceAbstractionStarter]: At program point L880-1(line 880) the Hoare annotation is: true [2019-10-15 01:22:05,001 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 832 855) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 832 855) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 832 855) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-15 01:22:05,002 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-15 01:22:05,003 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-10-15 01:22:05,004 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2019-10-15 01:22:05,004 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2019-10-15 01:22:05,004 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2019-10-15 01:22:05,004 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2019-10-15 01:22:05,004 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2019-10-15 01:22:05,004 INFO L446 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: true [2019-10-15 01:22:05,004 INFO L443 ceAbstractionStarter]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2019-10-15 01:22:05,004 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-15 01:22:05,004 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 584) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point L576-2(lines 576 584) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point L599-1(line 599) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 569 604) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 596) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point L588-2(lines 588 596) no Hoare annotation was computed. [2019-10-15 01:22:05,005 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 569 604) no Hoare annotation was computed. [2019-10-15 01:22:05,006 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 569 604) no Hoare annotation was computed. [2019-10-15 01:22:05,006 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2019-10-15 01:22:05,006 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2019-10-15 01:22:05,006 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:22:05,006 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:22:05,006 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:22:05,006 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:22:05,006 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:22:05,007 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:22:05,007 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:22:05,007 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:22:05,007 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:22:05,007 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: true [2019-10-15 01:22:05,007 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2019-10-15 01:22:05,007 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2019-10-15 01:22:05,007 INFO L446 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: true [2019-10-15 01:22:05,007 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2019-10-15 01:22:05,008 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2019-10-15 01:22:05,008 INFO L446 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: true [2019-10-15 01:22:05,008 INFO L443 ceAbstractionStarter]: For program point L554-1(line 554) no Hoare annotation was computed. [2019-10-15 01:22:05,008 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2019-10-15 01:22:05,008 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: true [2019-10-15 01:22:05,008 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2019-10-15 01:22:05,008 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2019-10-15 01:22:05,008 INFO L443 ceAbstractionStarter]: For program point L990(lines 990 996) no Hoare annotation was computed. [2019-10-15 01:22:05,009 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2019-10-15 01:22:05,009 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2019-10-15 01:22:05,009 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2019-10-15 01:22:05,009 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-15 01:22:05,009 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 529) no Hoare annotation was computed. [2019-10-15 01:22:05,009 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2019-10-15 01:22:05,009 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: true [2019-10-15 01:22:05,009 INFO L446 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2019-10-15 01:22:05,010 INFO L443 ceAbstractionStarter]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2019-10-15 01:22:05,010 INFO L446 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: true [2019-10-15 01:22:05,010 INFO L446 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2019-10-15 01:22:05,010 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 524) no Hoare annotation was computed. [2019-10-15 01:22:05,010 INFO L446 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: true [2019-10-15 01:22:05,010 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2019-10-15 01:22:05,010 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2019-10-15 01:22:05,011 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 685 748) the Hoare annotation is: true [2019-10-15 01:22:05,011 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-10-15 01:22:05,011 INFO L446 ceAbstractionStarter]: At program point L731-2(lines 725 736) the Hoare annotation is: true [2019-10-15 01:22:05,011 INFO L443 ceAbstractionStarter]: For program point L696(lines 695 740) no Hoare annotation was computed. [2019-10-15 01:22:05,011 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2019-10-15 01:22:05,011 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 736) no Hoare annotation was computed. [2019-10-15 01:22:05,011 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-15 01:22:05,011 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 721) no Hoare annotation was computed. [2019-10-15 01:22:05,012 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2019-10-15 01:22:05,012 INFO L446 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: true [2019-10-15 01:22:05,012 INFO L446 ceAbstractionStarter]: At program point L738(lines 695 740) the Hoare annotation is: true [2019-10-15 01:22:05,012 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 711) no Hoare annotation was computed. [2019-10-15 01:22:05,012 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2019-10-15 01:22:05,012 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-10-15 01:22:05,012 INFO L446 ceAbstractionStarter]: At program point L741(lines 694 742) the Hoare annotation is: true [2019-10-15 01:22:05,012 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2019-10-15 01:22:05,013 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 954 976) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 970) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:22:05,014 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:22:05,015 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:22:05,016 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:22:05,016 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:22:05,016 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:22:05,016 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:22:05,016 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:22:05,016 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 648 657) no Hoare annotation was computed. [2019-10-15 01:22:05,016 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 648 657) no Hoare annotation was computed. [2019-10-15 01:22:05,017 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 648 657) no Hoare annotation was computed. [2019-10-15 01:22:05,017 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,017 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:22:05,017 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,017 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2019-10-15 01:22:05,017 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2019-10-15 01:22:05,017 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: true [2019-10-15 01:22:05,017 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2019-10-15 01:22:05,018 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-10-15 01:22:05,018 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2019-10-15 01:22:05,018 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2019-10-15 01:22:05,018 INFO L446 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: true [2019-10-15 01:22:05,018 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2019-10-15 01:22:05,018 INFO L443 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2019-10-15 01:22:05,018 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2019-10-15 01:22:05,019 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2019-10-15 01:22:05,019 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2019-10-15 01:22:05,019 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,019 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,019 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,019 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2019-10-15 01:22:05,019 INFO L443 ceAbstractionStarter]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2019-10-15 01:22:05,019 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2019-10-15 01:22:05,020 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2019-10-15 01:22:05,020 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2019-10-15 01:22:05,020 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2019-10-15 01:22:05,020 INFO L446 ceAbstractionStarter]: At program point L437(line 437) the Hoare annotation is: true [2019-10-15 01:22:05,020 INFO L446 ceAbstractionStarter]: At program point L435(lines 435 441) the Hoare annotation is: true [2019-10-15 01:22:05,020 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: true [2019-10-15 01:22:05,020 INFO L446 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: true [2019-10-15 01:22:05,020 INFO L443 ceAbstractionStarter]: For program point L428(lines 424 446) no Hoare annotation was computed. [2019-10-15 01:22:05,021 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2019-10-15 01:22:05,021 INFO L443 ceAbstractionStarter]: For program point L426(lines 424 446) no Hoare annotation was computed. [2019-10-15 01:22:05,021 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2019-10-15 01:22:05,021 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2019-10-15 01:22:05,021 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2019-10-15 01:22:05,021 INFO L446 ceAbstractionStarter]: At program point L827(lines 802 831) the Hoare annotation is: true [2019-10-15 01:22:05,021 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 01:22:05,021 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2019-10-15 01:22:05,022 INFO L446 ceAbstractionStarter]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2019-10-15 01:22:05,022 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-15 01:22:05,022 INFO L446 ceAbstractionStarter]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2019-10-15 01:22:05,023 INFO L446 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: true [2019-10-15 01:22:05,023 INFO L443 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2019-10-15 01:22:05,023 INFO L443 ceAbstractionStarter]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2019-10-15 01:22:05,023 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: true [2019-10-15 01:22:05,023 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2019-10-15 01:22:05,024 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2019-10-15 01:22:05,024 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2019-10-15 01:22:05,024 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,024 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:05,024 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:05,024 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:05,024 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: true [2019-10-15 01:22:05,024 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2019-10-15 01:22:05,024 INFO L446 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: true [2019-10-15 01:22:05,024 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2019-10-15 01:22:05,024 INFO L446 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: true [2019-10-15 01:22:05,025 INFO L446 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: true [2019-10-15 01:22:05,025 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 472) no Hoare annotation was computed. [2019-10-15 01:22:05,025 INFO L446 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: true [2019-10-15 01:22:05,025 INFO L443 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2019-10-15 01:22:05,025 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 477) no Hoare annotation was computed. [2019-10-15 01:22:05,025 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2019-10-15 01:22:05,025 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2019-10-15 01:22:05,025 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: true [2019-10-15 01:22:05,026 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2019-10-15 01:22:05,026 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2019-10-15 01:22:05,026 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2019-10-15 01:22:05,026 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2019-10-15 01:22:05,026 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2019-10-15 01:22:05,026 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: true [2019-10-15 01:22:05,027 INFO L446 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2019-10-15 01:22:05,027 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2019-10-15 01:22:05,027 INFO L446 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2019-10-15 01:22:05,027 INFO L446 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: true [2019-10-15 01:22:05,027 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 498) no Hoare annotation was computed. [2019-10-15 01:22:05,027 INFO L446 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: true [2019-10-15 01:22:05,027 INFO L443 ceAbstractionStarter]: For program point L488-1(line 488) no Hoare annotation was computed. [2019-10-15 01:22:05,027 INFO L443 ceAbstractionStarter]: For program point L486(lines 486 503) no Hoare annotation was computed. [2019-10-15 01:22:05,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:05 BoogieIcfgContainer [2019-10-15 01:22:05,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:05,039 INFO L168 Benchmark]: Toolchain (without parser) took 9791.11 ms. Allocated memory was 138.9 MB in the beginning and 371.7 MB in the end (delta: 232.8 MB). Free memory was 102.4 MB in the beginning and 311.9 MB in the end (delta: -209.5 MB). Peak memory consumption was 203.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,040 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.23 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 168.0 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,042 INFO L168 Benchmark]: Boogie Preprocessor took 110.45 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 164.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,043 INFO L168 Benchmark]: RCFGBuilder took 1326.07 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.0 MB in the beginning and 189.9 MB in the end (delta: -25.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,043 INFO L168 Benchmark]: TraceAbstraction took 7683.22 ms. Allocated memory was 235.9 MB in the beginning and 371.7 MB in the end (delta: 135.8 MB). Free memory was 188.5 MB in the beginning and 311.9 MB in the end (delta: -123.4 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:05,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.23 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 168.0 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.45 ms. Allocated memory is still 202.4 MB. Free memory was 168.0 MB in the beginning and 164.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1326.07 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.0 MB in the beginning and 189.9 MB in the end (delta: -25.9 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7683.22 ms. Allocated memory was 235.9 MB in the beginning and 371.7 MB in the end (delta: 135.8 MB). Free memory was 188.5 MB in the beginning and 311.9 MB in the end (delta: -123.4 MB). Peak memory consumption was 192.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. Result: SAFE, OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1748 SDtfs, 1213 SDslu, 3473 SDs, 0 SdLazy, 1921 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 228 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=816occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 124 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1085 PreInvPairs, 1087 NumberOfFragments, 79 HoareAnnotationTreeSize, 1085 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 69 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1293 ConstructedInterpolants, 0 QuantifiedInterpolants, 280878 SizeOfPredicates, 4 NumberOfNonLiveVariables, 964 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 130/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 113, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8022598870056498, 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...