java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:39,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:39,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:39,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:39,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:39,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:39,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:39,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:39,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:39,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:39,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:39,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:39,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:39,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:39,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:39,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:39,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:39,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:39,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:39,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:39,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:39,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:39,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:39,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:39,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:39,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:39,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:39,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:39,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:39,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:39,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:39,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:39,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:39,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:39,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:39,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:39,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:39,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:39,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:39,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:39,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:39,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:39,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:39,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:39,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:39,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:39,151 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:39,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:39,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:39,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:39,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:39,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:39,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:39,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:39,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:39,155 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:39,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:39,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:39,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:39,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:39,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:39,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:39,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:39,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:39,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:39,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:39,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:39,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:39,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:39,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:39,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:39,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:39,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:39,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:39,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:39,450 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:39,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-13 21:21:39,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a28b996/fdbe50a363ce4d30aa94c434a860cec0/FLAG89172769d [2019-10-13 21:21:40,105 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:40,105 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-13 21:21:40,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a28b996/fdbe50a363ce4d30aa94c434a860cec0/FLAG89172769d [2019-10-13 21:21:40,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78a28b996/fdbe50a363ce4d30aa94c434a860cec0 [2019-10-13 21:21:40,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:40,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:40,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:40,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:40,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:40,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:40" (1/1) ... [2019-10-13 21:21:40,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d289120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:40, skipping insertion in model container [2019-10-13 21:21:40,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:40" (1/1) ... [2019-10-13 21:21:40,413 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:40,481 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:40,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:40,931 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:41,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:41,038 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:41,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41 WrapperNode [2019-10-13 21:21:41,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:41,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:41,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:41,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:41,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:41,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:41,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:41,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:41,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:41,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:41,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:41,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:41,232 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:41,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:42,360 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:42,360 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:42,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:42 BoogieIcfgContainer [2019-10-13 21:21:42,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:42,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:42,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:42,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:42,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:40" (1/3) ... [2019-10-13 21:21:42,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f7e842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:42, skipping insertion in model container [2019-10-13 21:21:42,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (2/3) ... [2019-10-13 21:21:42,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f7e842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:42, skipping insertion in model container [2019-10-13 21:21:42,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:42" (3/3) ... [2019-10-13 21:21:42,370 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2019-10-13 21:21:42,380 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:42,387 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:42,397 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:42,424 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:42,424 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:42,424 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:42,424 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:42,425 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:42,425 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:42,425 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:42,425 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2019-10-13 21:21:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:42,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:42,457 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:42,459 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:42,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:42,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1990004152, now seen corresponding path program 1 times [2019-10-13 21:21:42,475 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:42,476 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323076757] [2019-10-13 21:21:42,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:42,476 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:42,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:42,844 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323076757] [2019-10-13 21:21:42,845 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:42,845 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:42,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243899520] [2019-10-13 21:21:42,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:42,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:42,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:42,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:42,871 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2019-10-13 21:21:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:42,913 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2019-10-13 21:21:42,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:42,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:42,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:42,938 INFO L225 Difference]: With dead ends: 212 [2019-10-13 21:21:42,938 INFO L226 Difference]: Without dead ends: 106 [2019-10-13 21:21:42,947 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:42,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-13 21:21:43,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-13 21:21:43,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-13 21:21:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-10-13 21:21:43,024 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2019-10-13 21:21:43,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:43,025 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-10-13 21:21:43,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-10-13 21:21:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:43,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:43,029 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:43,029 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:43,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:43,030 INFO L82 PathProgramCache]: Analyzing trace with hash 925385075, now seen corresponding path program 1 times [2019-10-13 21:21:43,030 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:43,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229483569] [2019-10-13 21:21:43,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:43,166 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229483569] [2019-10-13 21:21:43,166 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:43,166 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:43,166 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324659649] [2019-10-13 21:21:43,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:43,170 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:43,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:43,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:43,171 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2019-10-13 21:21:43,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:43,201 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2019-10-13 21:21:43,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:43,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:43,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:43,204 INFO L225 Difference]: With dead ends: 157 [2019-10-13 21:21:43,204 INFO L226 Difference]: Without dead ends: 97 [2019-10-13 21:21:43,206 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:43,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-13 21:21:43,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-13 21:21:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-13 21:21:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2019-10-13 21:21:43,220 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2019-10-13 21:21:43,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:43,220 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2019-10-13 21:21:43,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2019-10-13 21:21:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:43,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:43,223 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:43,223 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:43,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1884487534, now seen corresponding path program 1 times [2019-10-13 21:21:43,224 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:43,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724975482] [2019-10-13 21:21:43,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:43,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724975482] [2019-10-13 21:21:43,362 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:43,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:43,363 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242171536] [2019-10-13 21:21:43,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:43,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:43,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:43,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:43,364 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 7 states. [2019-10-13 21:21:43,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:43,679 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2019-10-13 21:21:43,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:43,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:21:43,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:43,682 INFO L225 Difference]: With dead ends: 170 [2019-10-13 21:21:43,682 INFO L226 Difference]: Without dead ends: 97 [2019-10-13 21:21:43,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:43,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-13 21:21:43,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-13 21:21:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-13 21:21:43,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2019-10-13 21:21:43,713 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2019-10-13 21:21:43,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:43,716 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2019-10-13 21:21:43,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2019-10-13 21:21:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:21:43,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:43,719 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:43,719 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:43,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:43,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1119651887, now seen corresponding path program 1 times [2019-10-13 21:21:43,726 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:43,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495657492] [2019-10-13 21:21:43,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,727 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:43,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495657492] [2019-10-13 21:21:43,969 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:43,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:43,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359683585] [2019-10-13 21:21:43,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:43,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:43,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:43,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:43,971 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2019-10-13 21:21:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:44,535 INFO L93 Difference]: Finished difference Result 296 states and 357 transitions. [2019-10-13 21:21:44,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:44,535 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2019-10-13 21:21:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:44,540 INFO L225 Difference]: With dead ends: 296 [2019-10-13 21:21:44,540 INFO L226 Difference]: Without dead ends: 223 [2019-10-13 21:21:44,541 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:44,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-10-13 21:21:44,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2019-10-13 21:21:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-10-13 21:21:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2019-10-13 21:21:44,571 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2019-10-13 21:21:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:44,575 INFO L462 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2019-10-13 21:21:44,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2019-10-13 21:21:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:21:44,579 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:44,580 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:44,580 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:44,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash 104988343, now seen corresponding path program 1 times [2019-10-13 21:21:44,581 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:44,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668280677] [2019-10-13 21:21:44,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:44,582 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:44,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:44,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668280677] [2019-10-13 21:21:44,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:44,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:44,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137877122] [2019-10-13 21:21:44,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:44,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:44,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:44,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:44,649 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2019-10-13 21:21:44,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:44,668 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2019-10-13 21:21:44,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:44,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 21:21:44,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:44,670 INFO L225 Difference]: With dead ends: 356 [2019-10-13 21:21:44,670 INFO L226 Difference]: Without dead ends: 161 [2019-10-13 21:21:44,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:44,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-13 21:21:44,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-10-13 21:21:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-10-13 21:21:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2019-10-13 21:21:44,688 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 64 [2019-10-13 21:21:44,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:44,689 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2019-10-13 21:21:44,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2019-10-13 21:21:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:21:44,691 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:44,691 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:21:44,691 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:44,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:44,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1684356351, now seen corresponding path program 1 times [2019-10-13 21:21:44,692 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:44,692 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458352122] [2019-10-13 21:21:44,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:44,693 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:44,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 21:21:44,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458352122] [2019-10-13 21:21:44,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689266490] [2019-10-13 21:21:44,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:45,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:45,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:45,224 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:45,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:45,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:45,510 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:21:45,510 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1356685290] [2019-10-13 21:21:45,517 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 101 [2019-10-13 21:21:45,554 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:45,555 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:45,673 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:45,675 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:21:45,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:45,681 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:45,739 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:45,739 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:45,743 INFO L553 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2019-10-13 21:21:45,743 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:45,744 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:45,744 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:45,744 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392406573] [2019-10-13 21:21:45,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:45,746 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:45,746 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:45,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:45,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:45,746 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 2 states. [2019-10-13 21:21:45,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:45,750 INFO L93 Difference]: Finished difference Result 161 states and 179 transitions. [2019-10-13 21:21:45,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:45,751 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 100 [2019-10-13 21:21:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:45,751 INFO L225 Difference]: With dead ends: 161 [2019-10-13 21:21:45,751 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:45,752 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:45,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:45,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:45,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-13 21:21:45,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:45,754 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:45,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:45,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:45,960 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:45,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:46,076 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-13 21:21:46,076 INFO L443 ceAbstractionStarter]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2019-10-13 21:21:46,076 INFO L443 ceAbstractionStarter]: For program point L566(lines 543 567) no Hoare annotation was computed. [2019-10-13 21:21:46,076 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2019-10-13 21:21:46,076 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2019-10-13 21:21:46,076 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 554) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point L627(lines 600 628) no Hoare annotation was computed. [2019-10-13 21:21:46,077 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2019-10-13 21:21:46,078 INFO L443 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2019-10-13 21:21:46,078 INFO L443 ceAbstractionStarter]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-10-13 21:21:46,078 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2019-10-13 21:21:46,078 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2019-10-13 21:21:46,078 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2019-10-13 21:21:46,079 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2019-10-13 21:21:46,079 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2019-10-13 21:21:46,079 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2019-10-13 21:21:46,079 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2019-10-13 21:21:46,079 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-10-13 21:21:46,079 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2019-10-13 21:21:46,079 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-10-13 21:21:46,080 INFO L446 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2019-10-13 21:21:46,080 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-10-13 21:21:46,080 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2019-10-13 21:21:46,080 INFO L443 ceAbstractionStarter]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2019-10-13 21:21:46,080 INFO L446 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: true [2019-10-13 21:21:46,080 INFO L443 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2019-10-13 21:21:46,080 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:21:46,081 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 21:21:46,081 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-10-13 21:21:46,081 INFO L446 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: true [2019-10-13 21:21:46,081 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: true [2019-10-13 21:21:46,081 INFO L446 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: true [2019-10-13 21:21:46,081 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:21:46,081 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:21:46,082 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-10-13 21:21:46,082 INFO L446 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: true [2019-10-13 21:21:46,082 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:21:46,082 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:46,082 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 21:21:46,082 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:46,082 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:21:46,082 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:46,083 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:21:46,083 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 21:21:46,083 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 21:21:46,083 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 21:21:46,083 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 21:21:46,083 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 21:21:46,083 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 21:21:46,084 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 21:21:46,084 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 21:21:46,084 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 21:21:46,084 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 21:21:46,084 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 21:21:46,084 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2019-10-13 21:21:46,084 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2019-10-13 21:21:46,084 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point L385-1(line 385) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 382) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point L374-2(lines 374 382) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 355 390) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2019-10-13 21:21:46,085 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 355 390) no Hoare annotation was computed. [2019-10-13 21:21:46,086 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 355 390) no Hoare annotation was computed. [2019-10-13 21:21:46,086 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2019-10-13 21:21:46,086 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2019-10-13 21:21:46,086 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2019-10-13 21:21:46,086 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2019-10-13 21:21:46,086 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2019-10-13 21:21:46,086 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 820) no Hoare annotation was computed. [2019-10-13 21:21:46,086 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2019-10-13 21:21:46,087 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2019-10-13 21:21:46,087 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2019-10-13 21:21:46,087 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 813) no Hoare annotation was computed. [2019-10-13 21:21:46,087 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2019-10-13 21:21:46,087 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: true [2019-10-13 21:21:46,087 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:21:46,087 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:21:46,087 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2019-10-13 21:21:46,087 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2019-10-13 21:21:46,088 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2019-10-13 21:21:46,088 INFO L446 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2019-10-13 21:21:46,088 INFO L443 ceAbstractionStarter]: For program point L340-1(line 340) no Hoare annotation was computed. [2019-10-13 21:21:46,088 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2019-10-13 21:21:46,088 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2019-10-13 21:21:46,088 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2019-10-13 21:21:46,088 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-10-13 21:21:46,089 INFO L443 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2019-10-13 21:21:46,089 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2019-10-13 21:21:46,089 INFO L446 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: true [2019-10-13 21:21:46,089 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: true [2019-10-13 21:21:46,089 INFO L446 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: true [2019-10-13 21:21:46,089 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-10-13 21:21:46,089 INFO L446 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: true [2019-10-13 21:21:46,089 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-13 21:21:46,090 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-10-13 21:21:46,090 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2019-10-13 21:21:46,090 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2019-10-13 21:21:46,090 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-10-13 21:21:46,090 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 400 465) the Hoare annotation is: true [2019-10-13 21:21:46,090 INFO L446 ceAbstractionStarter]: At program point L448-2(lines 440 453) the Hoare annotation is: true [2019-10-13 21:21:46,090 INFO L443 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2019-10-13 21:21:46,091 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-10-13 21:21:46,091 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2019-10-13 21:21:46,091 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2019-10-13 21:21:46,091 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-10-13 21:21:46,091 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-13 21:21:46,091 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-10-13 21:21:46,091 INFO L446 ceAbstractionStarter]: At program point L455(lines 410 457) the Hoare annotation is: true [2019-10-13 21:21:46,091 INFO L446 ceAbstractionStarter]: At program point L422(line 422) the Hoare annotation is: true [2019-10-13 21:21:46,092 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-10-13 21:21:46,092 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2019-10-13 21:21:46,092 INFO L443 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2019-10-13 21:21:46,092 INFO L446 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: true [2019-10-13 21:21:46,092 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2019-10-13 21:21:46,092 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2019-10-13 21:21:46,092 INFO L443 ceAbstractionStarter]: For program point L760(lines 760 767) no Hoare annotation was computed. [2019-10-13 21:21:46,092 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 774) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 211) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2019-10-13 21:21:46,093 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L702(line 702) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 736) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 692) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L707(lines 685 708) no Hoare annotation was computed. [2019-10-13 21:21:46,094 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 682) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 733) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 706) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 724) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 834 843) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 834 843) no Hoare annotation was computed. [2019-10-13 21:21:46,095 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 834 843) no Hoare annotation was computed. [2019-10-13 21:21:46,096 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,096 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:46,096 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,096 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 319 326) no Hoare annotation was computed. [2019-10-13 21:21:46,096 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 319 326) no Hoare annotation was computed. [2019-10-13 21:21:46,096 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 319 326) no Hoare annotation was computed. [2019-10-13 21:21:46,096 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2019-10-13 21:21:46,096 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2019-10-13 21:21:46,097 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2019-10-13 21:21:46,097 INFO L443 ceAbstractionStarter]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2019-10-13 21:21:46,097 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2019-10-13 21:21:46,097 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2019-10-13 21:21:46,097 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,097 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,097 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,098 INFO L446 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2019-10-13 21:21:46,098 INFO L446 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: true [2019-10-13 21:21:46,098 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: true [2019-10-13 21:21:46,098 INFO L446 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: true [2019-10-13 21:21:46,098 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2019-10-13 21:21:46,098 INFO L443 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2019-10-13 21:21:46,098 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2019-10-13 21:21:46,098 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 21:21:46,099 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 21:21:46,099 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:46,099 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 21:21:46,099 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 21:21:46,099 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 21:21:46,099 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 21:21:46,099 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 21:21:46,099 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 21:21:46,100 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:46,100 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2019-10-13 21:21:46,100 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2019-10-13 21:21:46,100 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2019-10-13 21:21:46,100 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2019-10-13 21:21:46,100 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2019-10-13 21:21:46,100 INFO L443 ceAbstractionStarter]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2019-10-13 21:21:46,100 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 21:21:46,100 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 21:21:46,101 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,101 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:46,101 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:46,101 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,101 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2019-10-13 21:21:46,101 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: true [2019-10-13 21:21:46,101 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2019-10-13 21:21:46,101 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2019-10-13 21:21:46,101 INFO L443 ceAbstractionStarter]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2019-10-13 21:21:46,102 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2019-10-13 21:21:46,102 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2019-10-13 21:21:46,102 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-10-13 21:21:46,102 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2019-10-13 21:21:46,102 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2019-10-13 21:21:46,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:46 BoogieIcfgContainer [2019-10-13 21:21:46,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:46,115 INFO L168 Benchmark]: Toolchain (without parser) took 5717.31 ms. Allocated memory was 138.9 MB in the beginning and 290.5 MB in the end (delta: 151.5 MB). Free memory was 102.5 MB in the beginning and 216.6 MB in the end (delta: -114.1 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,115 INFO L168 Benchmark]: CDTParser took 1.22 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.05 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 170.1 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,117 INFO L168 Benchmark]: Boogie Preprocessor took 98.50 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,118 INFO L168 Benchmark]: RCFGBuilder took 1223.19 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.7 MB in the beginning and 201.6 MB in the end (delta: -35.8 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,119 INFO L168 Benchmark]: TraceAbstraction took 3748.85 ms. Allocated memory was 235.9 MB in the beginning and 290.5 MB in the end (delta: 54.5 MB). Free memory was 201.6 MB in the beginning and 216.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,123 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.05 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 170.1 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.50 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1223.19 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.7 MB in the beginning and 201.6 MB in the end (delta: -35.8 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3748.85 ms. Allocated memory was 235.9 MB in the beginning and 290.5 MB in the end (delta: 54.5 MB). Free memory was 201.6 MB in the beginning and 216.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 39.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 559 SDtfs, 308 SDslu, 1119 SDs, 0 SdLazy, 372 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 272 PreInvPairs, 273 NumberOfFragments, 51 HoareAnnotationTreeSize, 272 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 90847 SizeOfPredicates, 3 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 87/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 164, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9696969696969697, 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...