/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:16:08,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:16:08,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:16:08,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:16:08,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:16:08,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:16:08,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:16:08,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:16:08,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:16:08,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:16:08,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:16:08,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:16:08,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:16:08,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:16:08,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:16:08,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:16:08,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:16:08,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:16:08,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:16:08,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:16:08,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:16:08,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:16:08,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:16:08,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:16:08,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:16:08,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:16:08,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:16:08,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:16:08,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:16:08,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:16:08,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:16:08,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:16:08,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:16:08,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:16:08,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:16:08,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:16:08,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:16:08,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:16:08,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:16:08,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:16:08,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:16:08,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 21:16:08,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:16:08,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:16:08,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:16:08,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:16:08,171 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:16:08,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:16:08,172 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:16:08,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:16:08,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:16:08,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:16:08,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:16:08,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:16:08,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:16:08,173 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:16:08,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:16:08,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:16:08,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:16:08,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:16:08,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:16:08,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:16:08,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:16:08,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:16:08,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:16:08,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:16:08,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:16:08,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:16:08,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:16:08,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:16:08,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:16:08,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:16:08,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:16:08,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:16:08,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:16:08,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:16:08,539 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:16:08,540 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2020-08-21 21:16:08,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ccd415d/72ed7c50b8074ab6be5ce929408c8bd0/FLAG653bf6d45 [2020-08-21 21:16:09,186 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:16:09,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2020-08-21 21:16:09,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ccd415d/72ed7c50b8074ab6be5ce929408c8bd0/FLAG653bf6d45 [2020-08-21 21:16:09,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ccd415d/72ed7c50b8074ab6be5ce929408c8bd0 [2020-08-21 21:16:09,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:16:09,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:16:09,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:16:09,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:16:09,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:16:09,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:09" (1/1) ... [2020-08-21 21:16:09,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cb9d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:09, skipping insertion in model container [2020-08-21 21:16:09,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:16:09" (1/1) ... [2020-08-21 21:16:09,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:16:09,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:16:10,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:16:10,034 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:16:10,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:16:10,192 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:16:10,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10 WrapperNode [2020-08-21 21:16:10,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:16:10,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:16:10,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:16:10,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:16:10,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... [2020-08-21 21:16:10,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... [2020-08-21 21:16:10,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... [2020-08-21 21:16:10,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... [2020-08-21 21:16:10,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... [2020-08-21 21:16:10,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... [2020-08-21 21:16:10,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... [2020-08-21 21:16:10,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:16:10,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:16:10,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:16:10,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:16:10,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 21:16:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:16:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:16:10,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:16:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:16:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:16:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:16:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:16:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:16:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:16:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:16:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:16:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:16:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:16:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:16:10,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:16:10,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 21:16:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:16:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 21:16:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:16:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:16:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:16:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:16:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:16:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 21:16:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:16:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:16:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:16:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:16:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:16:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:16:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:16:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:16:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:16:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:16:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:16:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:16:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:16:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:16:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:16:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:16:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:16:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:16:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:16:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:16:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:16:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:16:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:16:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:16:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:16:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 21:16:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:16:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:16:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:16:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:16:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:16:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:16:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:16:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:16:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:16:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:16:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:16:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:16:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:16:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:16:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:16:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:16:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:16:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:16:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:16:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:16:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:16:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:16:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:16:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:16:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:16:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:16:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:16:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:16:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:16:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 21:16:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 21:16:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 21:16:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:16:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 21:16:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:16:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 21:16:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:16:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:16:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:16:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:16:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:16:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:16:11,451 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:16:11,451 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:16:11,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:16:11 BoogieIcfgContainer [2020-08-21 21:16:11,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:16:11,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:16:11,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:16:11,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:16:11,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:16:09" (1/3) ... [2020-08-21 21:16:11,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e252b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:16:11, skipping insertion in model container [2020-08-21 21:16:11,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:16:10" (2/3) ... [2020-08-21 21:16:11,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e252b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:16:11, skipping insertion in model container [2020-08-21 21:16:11,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:16:11" (3/3) ... [2020-08-21 21:16:11,465 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2020-08-21 21:16:11,476 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:16:11,485 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:16:11,500 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:16:11,526 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:16:11,526 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:16:11,527 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:16:11,527 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:16:11,527 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:16:11,527 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:16:11,528 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:16:11,528 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:16:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-08-21 21:16:11,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 21:16:11,561 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:11,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:11,563 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:11,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:11,570 INFO L82 PathProgramCache]: Analyzing trace with hash -2139894153, now seen corresponding path program 1 times [2020-08-21 21:16:11,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:11,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391481118] [2020-08-21 21:16:11,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,264 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:12,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:16:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 21:16:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 21:16:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:12,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391481118] [2020-08-21 21:16:12,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:12,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:16:12,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043013260] [2020-08-21 21:16:12,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:16:12,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:12,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:16:12,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:16:12,404 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-08-21 21:16:13,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:13,339 INFO L93 Difference]: Finished difference Result 264 states and 343 transitions. [2020-08-21 21:16:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 21:16:13,344 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 21:16:13,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:13,359 INFO L225 Difference]: With dead ends: 264 [2020-08-21 21:16:13,359 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 21:16:13,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:16:13,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 21:16:13,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 118. [2020-08-21 21:16:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-08-21 21:16:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2020-08-21 21:16:13,452 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2020-08-21 21:16:13,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:13,453 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2020-08-21 21:16:13,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:16:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2020-08-21 21:16:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 21:16:13,457 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:13,457 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:13,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:16:13,458 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:13,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:13,459 INFO L82 PathProgramCache]: Analyzing trace with hash -445963551, now seen corresponding path program 1 times [2020-08-21 21:16:13,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:13,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166414046] [2020-08-21 21:16:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,828 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:13,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:16:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 21:16:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:13,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 21:16:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:14,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166414046] [2020-08-21 21:16:14,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:14,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:16:14,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752540695] [2020-08-21 21:16:14,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:16:14,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:14,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:16:14,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:16:14,014 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 9 states. [2020-08-21 21:16:14,371 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:14,687 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:14,972 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:15,221 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:16,296 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:16:17,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:17,635 INFO L93 Difference]: Finished difference Result 405 states and 512 transitions. [2020-08-21 21:16:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 21:16:17,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 21:16:17,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:17,643 INFO L225 Difference]: With dead ends: 405 [2020-08-21 21:16:17,643 INFO L226 Difference]: Without dead ends: 315 [2020-08-21 21:16:17,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:16:17,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-08-21 21:16:17,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 265. [2020-08-21 21:16:17,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-08-21 21:16:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 326 transitions. [2020-08-21 21:16:17,738 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 326 transitions. Word has length 64 [2020-08-21 21:16:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:17,739 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 326 transitions. [2020-08-21 21:16:17,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:16:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 326 transitions. [2020-08-21 21:16:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 21:16:17,742 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:17,743 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:17,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:16:17,743 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:17,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:17,743 INFO L82 PathProgramCache]: Analyzing trace with hash 835737799, now seen corresponding path program 1 times [2020-08-21 21:16:17,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:17,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147166081] [2020-08-21 21:16:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,048 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:18,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:16:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:16:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 21:16:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 21:16:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 21:16:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 21:16:18,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147166081] [2020-08-21 21:16:18,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:18,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 21:16:18,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220644114] [2020-08-21 21:16:18,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:16:18,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:18,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:16:18,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:16:18,148 INFO L87 Difference]: Start difference. First operand 265 states and 326 transitions. Second operand 6 states. [2020-08-21 21:16:18,572 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:16:19,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:19,405 INFO L93 Difference]: Finished difference Result 493 states and 643 transitions. [2020-08-21 21:16:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:16:19,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-08-21 21:16:19,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:19,410 INFO L225 Difference]: With dead ends: 493 [2020-08-21 21:16:19,410 INFO L226 Difference]: Without dead ends: 325 [2020-08-21 21:16:19,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:16:19,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-08-21 21:16:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 238. [2020-08-21 21:16:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-08-21 21:16:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2020-08-21 21:16:19,474 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 68 [2020-08-21 21:16:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:19,475 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2020-08-21 21:16:19,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:16:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2020-08-21 21:16:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-21 21:16:19,477 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:16:19,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:16:19,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:16:19,478 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:16:19,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:16:19,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1586718875, now seen corresponding path program 1 times [2020-08-21 21:16:19,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:16:19,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856730325] [2020-08-21 21:16:19,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:16:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,810 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:16:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:16:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:16:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:16:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:16:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:16:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:16:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:16:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 21:16:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-21 21:16:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:16:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:16:19,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856730325] [2020-08-21 21:16:19,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:16:19,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:16:19,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190964291] [2020-08-21 21:16:19,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:16:19,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:16:19,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:16:19,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:16:19,948 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 9 states. [2020-08-21 21:16:20,364 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:16:21,019 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:21,612 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:21,856 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:16:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:16:22,044 INFO L93 Difference]: Finished difference Result 426 states and 550 transitions. [2020-08-21 21:16:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:16:22,044 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-21 21:16:22,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:16:22,045 INFO L225 Difference]: With dead ends: 426 [2020-08-21 21:16:22,045 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:16:22,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:16:22,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:16:22,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:16:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:16:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:16:22,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-08-21 21:16:22,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:16:22,055 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:16:22,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:16:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:16:22,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:16:22,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:16:22,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:16:23,719 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 21:16:23,893 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:24,078 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:24,244 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:24,429 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:24,631 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:16:24,787 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:25,107 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-21 21:16:25,256 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:25,562 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 21:16:25,742 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:26,043 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 21:16:26,361 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 21:16:26,527 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:16:26,694 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:26,889 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:27,065 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 21:16:27,197 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 21:16:27,359 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 21:16:27,692 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 21:16:27,867 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 21:16:28,040 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 21:16:28,405 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-08-21 21:16:28,431 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-08-21 21:16:28,431 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2020-08-21 21:16:28,432 INFO L268 CegarLoopResult]: For program point L245(lines 222 246) no Hoare annotation was computed. [2020-08-21 21:16:28,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 198 253) no Hoare annotation was computed. [2020-08-21 21:16:28,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2020-08-21 21:16:28,432 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-08-21 21:16:28,432 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-08-21 21:16:28,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2020-08-21 21:16:28,432 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-08-21 21:16:28,433 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 290) no Hoare annotation was computed. [2020-08-21 21:16:28,433 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-08-21 21:16:28,433 INFO L268 CegarLoopResult]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2020-08-21 21:16:28,433 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2020-08-21 21:16:28,433 INFO L268 CegarLoopResult]: For program point L306(lines 279 307) no Hoare annotation was computed. [2020-08-21 21:16:28,434 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2020-08-21 21:16:28,434 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-21 21:16:28,434 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-08-21 21:16:28,434 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2020-08-21 21:16:28,435 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 774 780) the Hoare annotation is: true [2020-08-21 21:16:28,435 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 774 780) no Hoare annotation was computed. [2020-08-21 21:16:28,435 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 781 789) no Hoare annotation was computed. [2020-08-21 21:16:28,435 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 781 789) the Hoare annotation is: true [2020-08-21 21:16:28,435 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 781 789) no Hoare annotation was computed. [2020-08-21 21:16:28,435 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 882 889) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 21:16:28,436 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 882 889) no Hoare annotation was computed. [2020-08-21 21:16:28,436 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 882 889) no Hoare annotation was computed. [2020-08-21 21:16:28,436 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 890 899) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-08-21 21:16:28,436 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-08-21 21:16:28,436 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 890 899) no Hoare annotation was computed. [2020-08-21 21:16:28,436 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 890 899) no Hoare annotation was computed. [2020-08-21 21:16:28,436 INFO L264 CegarLoopResult]: At program point L915(line 915) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 21:16:28,437 INFO L268 CegarLoopResult]: For program point L913(lines 913 919) no Hoare annotation was computed. [2020-08-21 21:16:28,437 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 900 928) the Hoare annotation is: true [2020-08-21 21:16:28,437 INFO L268 CegarLoopResult]: For program point L912(lines 912 922) no Hoare annotation was computed. [2020-08-21 21:16:28,437 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-08-21 21:16:28,437 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-08-21 21:16:28,437 INFO L268 CegarLoopResult]: For program point L908(lines 908 925) no Hoare annotation was computed. [2020-08-21 21:16:28,437 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 900 928) no Hoare annotation was computed. [2020-08-21 21:16:28,437 INFO L268 CegarLoopResult]: For program point L908-1(lines 900 928) no Hoare annotation was computed. [2020-08-21 21:16:28,438 INFO L271 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: true [2020-08-21 21:16:28,438 INFO L268 CegarLoopResult]: For program point L906-1(line 906) no Hoare annotation was computed. [2020-08-21 21:16:28,438 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,438 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,438 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,439 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,439 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-21 21:16:28,439 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-21 21:16:28,439 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:16:28,439 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 21:16:28,439 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-21 21:16:28,440 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-21 21:16:28,441 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 551 557) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 551 557) the Hoare annotation is: true [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 673 687) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:16:28,442 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 673 687) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 673 687) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 584 591) no Hoare annotation was computed. [2020-08-21 21:16:28,442 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 584 591) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 584 591) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 628 636) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 628 636) the Hoare annotation is: true [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 628 636) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point L667-1(line 667) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 637 672) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-08-21 21:16:28,443 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 637 672) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point L644(lines 644 652) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 637 672) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 767 773) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 767 773) the Hoare annotation is: true [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 152 197) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point L479(lines 479 499) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 499) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 465 510) no Hoare annotation was computed. [2020-08-21 21:16:28,444 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2020-08-21 21:16:28,445 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2020-08-21 21:16:28,445 INFO L268 CegarLoopResult]: For program point L485(lines 485 492) no Hoare annotation was computed. [2020-08-21 21:16:28,445 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,445 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,445 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-21 21:16:28,445 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-21 21:16:28,445 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 617 627) the Hoare annotation is: true [2020-08-21 21:16:28,445 INFO L271 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: true [2020-08-21 21:16:28,445 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-08-21 21:16:28,445 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 617 627) no Hoare annotation was computed. [2020-08-21 21:16:28,445 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 617 627) no Hoare annotation was computed. [2020-08-21 21:16:28,446 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 609 616) the Hoare annotation is: true [2020-08-21 21:16:28,446 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 609 616) no Hoare annotation was computed. [2020-08-21 21:16:28,446 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 609 616) no Hoare annotation was computed. [2020-08-21 21:16:28,446 INFO L268 CegarLoopResult]: For program point L578-1(lines 559 583) no Hoare annotation was computed. [2020-08-21 21:16:28,446 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,446 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,446 INFO L268 CegarLoopResult]: For program point L567(lines 567 575) no Hoare annotation was computed. [2020-08-21 21:16:28,446 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 559 583) no Hoare annotation was computed. [2020-08-21 21:16:28,446 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,447 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-08-21 21:16:28,447 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 559 583) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,447 INFO L268 CegarLoopResult]: For program point L563(lines 563 580) no Hoare annotation was computed. [2020-08-21 21:16:28,447 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,447 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:16:28,447 INFO L264 CegarLoopResult]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,447 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-08-21 21:16:28,447 INFO L264 CegarLoopResult]: At program point L735-1(lines 729 742) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:16:28,448 INFO L268 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2020-08-21 21:16:28,448 INFO L268 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2020-08-21 21:16:28,448 INFO L268 CegarLoopResult]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2020-08-21 21:16:28,448 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:16:28,448 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-08-21 21:16:28,448 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-08-21 21:16:28,448 INFO L264 CegarLoopResult]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:16:28,448 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:16:28,449 INFO L268 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2020-08-21 21:16:28,449 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2020-08-21 21:16:28,449 INFO L268 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-08-21 21:16:28,449 INFO L264 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,449 INFO L268 CegarLoopResult]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2020-08-21 21:16:28,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2020-08-21 21:16:28,449 INFO L268 CegarLoopResult]: For program point L439(lines 439 446) no Hoare annotation was computed. [2020-08-21 21:16:28,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point L433(lines 433 453) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 419 464) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point L433-1(lines 433 453) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point L847(lines 847 855) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point L847-2(lines 847 855) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 839 861) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 839 861) no Hoare annotation was computed. [2020-08-21 21:16:28,450 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 839 861) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L345(lines 345 361) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L405(lines 405 412) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L366(lines 365 385) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L397-1(line 397) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L362(lines 362 403) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-08-21 21:16:28,451 INFO L268 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point L386(lines 364 387) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 757 766) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 757 766) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 757 766) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:16:28,452 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 21:16:28,452 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 592 608) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point L603-1(lines 592 608) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 592 608) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 862 870) the Hoare annotation is: true [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 862 870) no Hoare annotation was computed. [2020-08-21 21:16:28,453 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 862 870) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 818 829) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 21:16:28,454 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 818 829) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L268 CegarLoopResult]: For program point L822-1(lines 818 829) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,454 INFO L264 CegarLoopResult]: At program point L538(lines 538 544) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 21:16:28,454 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:16:28,454 INFO L268 CegarLoopResult]: For program point L531(lines 527 549) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L268 CegarLoopResult]: For program point L529(lines 527 549) no Hoare annotation was computed. [2020-08-21 21:16:28,454 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 524 550) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:16:28,455 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 524 550) no Hoare annotation was computed. [2020-08-21 21:16:28,455 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 524 550) no Hoare annotation was computed. [2020-08-21 21:16:28,455 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-21 21:16:28,455 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-21 21:16:28,455 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-21 21:16:28,455 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-21 21:16:28,455 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-21 21:16:28,455 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-21 21:16:28,455 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-21 21:16:28,455 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-21 21:16:28,456 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-21 21:16:28,456 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-21 21:16:28,456 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 830 838) the Hoare annotation is: true [2020-08-21 21:16:28,456 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 830 838) no Hoare annotation was computed. [2020-08-21 21:16:28,456 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 830 838) no Hoare annotation was computed. [2020-08-21 21:16:28,456 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 794 805) the Hoare annotation is: true [2020-08-21 21:16:28,456 INFO L268 CegarLoopResult]: For program point L798-1(lines 794 805) no Hoare annotation was computed. [2020-08-21 21:16:28,456 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 794 805) no Hoare annotation was computed. [2020-08-21 21:16:28,456 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-21 21:16:28,457 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-21 21:16:28,457 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:16:28,457 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 21:16:28,457 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:16:28,457 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:16:28,457 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 806 817) no Hoare annotation was computed. [2020-08-21 21:16:28,457 INFO L268 CegarLoopResult]: For program point L810-1(lines 806 817) no Hoare annotation was computed. [2020-08-21 21:16:28,457 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 806 817) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 21:16:28,457 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 872 879) no Hoare annotation was computed. [2020-08-21 21:16:28,458 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2020-08-21 21:16:28,458 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 872 879) the Hoare annotation is: true [2020-08-21 21:16:28,458 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 872 879) no Hoare annotation was computed. [2020-08-21 21:16:28,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:16:28 BoogieIcfgContainer [2020-08-21 21:16:28,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:16:28,475 INFO L168 Benchmark]: Toolchain (without parser) took 18945.75 ms. Allocated memory was 138.9 MB in the beginning and 586.2 MB in the end (delta: 447.2 MB). Free memory was 99.5 MB in the beginning and 489.6 MB in the end (delta: -390.1 MB). Peak memory consumption was 423.5 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:28,476 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 21:16:28,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.76 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 99.3 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:28,478 INFO L168 Benchmark]: Boogie Preprocessor took 87.27 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:28,479 INFO L168 Benchmark]: RCFGBuilder took 1175.82 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 163.7 MB in the beginning and 194.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:28,480 INFO L168 Benchmark]: TraceAbstraction took 17015.19 ms. Allocated memory was 233.3 MB in the beginning and 586.2 MB in the end (delta: 352.8 MB). Free memory was 194.1 MB in the beginning and 489.6 MB in the end (delta: -295.5 MB). Peak memory consumption was 423.8 MB. Max. memory is 7.1 GB. [2020-08-21 21:16:28,484 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.76 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 99.3 MB in the beginning and 167.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.27 ms. Allocated memory is still 201.3 MB. Free memory was 167.7 MB in the beginning and 163.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1175.82 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 163.7 MB in the beginning and 194.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17015.19 ms. Allocated memory was 233.3 MB in the beginning and 586.2 MB in the end (delta: 352.8 MB). Free memory was 194.1 MB in the beginning and 489.6 MB in the end (delta: -295.5 MB). Peak memory consumption was 423.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 876]: 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: 699]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 409 SDtfs, 768 SDslu, 427 SDs, 0 SdLazy, 1545 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 166 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 354 PreInvPairs, 396 NumberOfFragments, 669 HoareAnnotationTreeSize, 354 FomulaSimplifications, 13617 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 9739 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 76486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...