/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:38:08,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:38:08,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:38:08,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:38:08,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:38:08,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:38:08,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:38:08,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:38:08,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:38:08,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:38:08,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:38:08,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:38:08,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:38:08,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:38:08,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:38:08,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:38:08,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:38:08,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:38:08,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:38:08,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:38:08,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:38:08,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:38:08,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:38:08,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:38:08,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:38:08,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:38:08,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:38:08,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:38:08,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:38:08,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:38:08,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:38:08,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:38:08,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:38:08,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:38:08,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:38:08,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:38:08,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:38:08,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:38:08,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:38:08,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:38:08,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:38:08,807 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 [2020-08-18 17:38:08,830 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:38:08,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:38:08,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:38:08,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:38:08,832 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:38:08,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:38:08,832 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:38:08,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:38:08,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:38:08,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:38:08,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:38:08,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:38:08,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:38:08,834 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:38:08,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:38:08,834 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:38:08,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:38:08,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:38:08,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:38:08,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:38:08,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:38:08,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:38:08,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:38:08,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:38:08,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:38:08,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:38:08,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:38:08,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:38:08,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:38:08,837 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=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:38:09,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:38:09,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:38:09,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:38:09,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:38:09,198 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:38:09,199 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-08-18 17:38:09,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45b484f67/da68704f4dce409eb000562a670c6bfe/FLAG17f365a2f [2020-08-18 17:38:09,935 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:38:09,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-08-18 17:38:09,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45b484f67/da68704f4dce409eb000562a670c6bfe/FLAG17f365a2f [2020-08-18 17:38:10,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45b484f67/da68704f4dce409eb000562a670c6bfe [2020-08-18 17:38:10,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:38:10,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:38:10,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:10,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:38:10,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:38:10,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f726e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10, skipping insertion in model container [2020-08-18 17:38:10,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:38:10,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:38:10,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:10,727 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:38:10,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:10,870 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:38:10,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10 WrapperNode [2020-08-18 17:38:10,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:10,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:38:10,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:38:10,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:38:10,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (1/1) ... [2020-08-18 17:38:10,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:38:10,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:38:10,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:38:10,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:38:10,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (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 [2020-08-18 17:38:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:38:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:38:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:38:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:38:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:38:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:38:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:38:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:38:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:38:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:38:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:38:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:38:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:38:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:38:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 17:38:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:38:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:38:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:38:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:38:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:38:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:38:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:38:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:38:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:38:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:38:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:38:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:38:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:38:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:38:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:38:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:38:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:38:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:38:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:38:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:38:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:38:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:38:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:38:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:38:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:38:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:38:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:38:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:38:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:38:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:38:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:38:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 17:38:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:38:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:38:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:38:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:38:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:38:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:38:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:38:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:38:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:38:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:38:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:38:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:38:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:38:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:38:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:38:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:38:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:38:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:38:12,156 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:38:12,156 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:38:12,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:12 BoogieIcfgContainer [2020-08-18 17:38:12,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:38:12,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:38:12,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:38:12,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:38:12,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:38:10" (1/3) ... [2020-08-18 17:38:12,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4635e351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:12, skipping insertion in model container [2020-08-18 17:38:12,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:10" (2/3) ... [2020-08-18 17:38:12,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4635e351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:12, skipping insertion in model container [2020-08-18 17:38:12,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:12" (3/3) ... [2020-08-18 17:38:12,176 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2020-08-18 17:38:12,187 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:38:12,196 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:38:12,210 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:38:12,231 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:38:12,231 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:38:12,231 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:38:12,231 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:38:12,231 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:38:12,231 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:38:12,232 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:38:12,232 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:38:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-08-18 17:38:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 17:38:12,261 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:12,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:12,263 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:12,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:12,268 INFO L82 PathProgramCache]: Analyzing trace with hash -411226988, now seen corresponding path program 1 times [2020-08-18 17:38:12,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:12,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137010560] [2020-08-18 17:38:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,889 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:12,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 17:38:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:12,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1137010560] [2020-08-18 17:38:12,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:12,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:38:12,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581867096] [2020-08-18 17:38:12,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:38:12,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:13,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:38:13,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:13,007 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 3 states. [2020-08-18 17:38:13,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:13,933 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-08-18 17:38:13,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:38:13,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 17:38:13,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:13,957 INFO L225 Difference]: With dead ends: 208 [2020-08-18 17:38:13,957 INFO L226 Difference]: Without dead ends: 114 [2020-08-18 17:38:13,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:13,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-08-18 17:38:14,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-08-18 17:38:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-18 17:38:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-08-18 17:38:14,106 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-08-18 17:38:14,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:14,107 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-08-18 17:38:14,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:38:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-08-18 17:38:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 17:38:14,111 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:14,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:14,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:38:14,112 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:14,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:14,112 INFO L82 PathProgramCache]: Analyzing trace with hash -2028775312, now seen corresponding path program 1 times [2020-08-18 17:38:14,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:14,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561465822] [2020-08-18 17:38:14,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,490 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:14,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:38:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:38:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:14,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561465822] [2020-08-18 17:38:14,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:14,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:38:14,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076928267] [2020-08-18 17:38:14,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:38:14,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:14,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:38:14,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:38:14,542 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-08-18 17:38:15,016 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:15,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:15,524 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-08-18 17:38:15,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:38:15,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 17:38:15,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:15,528 INFO L225 Difference]: With dead ends: 137 [2020-08-18 17:38:15,528 INFO L226 Difference]: Without dead ends: 98 [2020-08-18 17:38:15,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:38:15,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-18 17:38:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-18 17:38:15,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-18 17:38:15,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-08-18 17:38:15,581 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-08-18 17:38:15,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:15,581 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-08-18 17:38:15,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:38:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-08-18 17:38:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 17:38:15,592 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:15,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:15,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:38:15,593 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:15,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:15,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1248622688, now seen corresponding path program 1 times [2020-08-18 17:38:15,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:15,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362086190] [2020-08-18 17:38:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,021 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:16,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 17:38:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:16,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362086190] [2020-08-18 17:38:16,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:16,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:16,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972006032] [2020-08-18 17:38:16,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:16,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:16,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:16,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:16,152 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2020-08-18 17:38:16,522 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:16,839 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:17,078 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:17,299 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:18,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:18,040 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-08-18 17:38:18,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 17:38:18,047 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 17:38:18,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:18,049 INFO L225 Difference]: With dead ends: 150 [2020-08-18 17:38:18,049 INFO L226 Difference]: Without dead ends: 98 [2020-08-18 17:38:18,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:38:18,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-18 17:38:18,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-08-18 17:38:18,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-08-18 17:38:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-08-18 17:38:18,080 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-08-18 17:38:18,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:18,080 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-08-18 17:38:18,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-08-18 17:38:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-18 17:38:18,082 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:18,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:18,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:38:18,082 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:18,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:18,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1945130529, now seen corresponding path program 1 times [2020-08-18 17:38:18,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:18,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428508449] [2020-08-18 17:38:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,365 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:18,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:38:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 17:38:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 17:38:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:18,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428508449] [2020-08-18 17:38:18,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:18,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 17:38:18,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252003421] [2020-08-18 17:38:18,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 17:38:18,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:18,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 17:38:18,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 17:38:18,435 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-08-18 17:38:18,783 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:19,569 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:19,816 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:20,075 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:20,297 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:20,581 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:20,891 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2020-08-18 17:38:20,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:38:20,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-08-18 17:38:20,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:20,894 INFO L225 Difference]: With dead ends: 204 [2020-08-18 17:38:20,894 INFO L226 Difference]: Without dead ends: 152 [2020-08-18 17:38:20,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-18 17:38:20,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-08-18 17:38:20,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2020-08-18 17:38:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 17:38:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2020-08-18 17:38:20,926 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2020-08-18 17:38:20,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:20,927 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2020-08-18 17:38:20,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 17:38:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2020-08-18 17:38:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 17:38:20,928 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:20,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:20,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:38:20,929 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:20,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:20,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1872820635, now seen corresponding path program 1 times [2020-08-18 17:38:20,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:20,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035748319] [2020-08-18 17:38:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,228 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:21,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 17:38:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:38:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 17:38:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 17:38:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:21,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035748319] [2020-08-18 17:38:21,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:21,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:21,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161682423] [2020-08-18 17:38:21,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:21,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:21,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:21,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:21,332 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2020-08-18 17:38:21,683 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:22,415 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:22,685 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:22,928 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:23,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:23,053 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2020-08-18 17:38:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:38:23,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 17:38:23,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:23,055 INFO L225 Difference]: With dead ends: 235 [2020-08-18 17:38:23,055 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:38:23,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 17:38:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:38:23,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:38:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:38:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:38:23,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-08-18 17:38:23,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:23,059 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:38:23,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:38:23,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:38:23,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:38:23,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:38:24,493 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 17:38:24,868 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 17:38:25,071 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 17:38:25,336 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 17:38:25,525 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 17:38:25,689 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:26,036 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 17:38:26,183 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 17:38:26,505 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-18 17:38:26,692 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:26,863 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:27,020 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:27,317 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 17:38:27,476 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:27,806 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 17:38:27,953 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:28,150 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 17:38:28,438 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 17:38:28,587 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-08-18 17:38:28,591 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-08-18 17:38:28,591 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 573) no Hoare annotation was computed. [2020-08-18 17:38:28,592 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-08-18 17:38:28,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 538 593) no Hoare annotation was computed. [2020-08-18 17:38:28,592 INFO L268 CegarLoopResult]: For program point L563-2(lines 563 584) no Hoare annotation was computed. [2020-08-18 17:38:28,592 INFO L268 CegarLoopResult]: For program point L585(lines 562 586) no Hoare annotation was computed. [2020-08-18 17:38:28,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 538 593) no Hoare annotation was computed. [2020-08-18 17:38:28,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 538 593) no Hoare annotation was computed. [2020-08-18 17:38:28,592 INFO L268 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-08-18 17:38:28,593 INFO L268 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-08-18 17:38:28,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 594 653) no Hoare annotation was computed. [2020-08-18 17:38:28,593 INFO L268 CegarLoopResult]: For program point L626(lines 626 630) no Hoare annotation was computed. [2020-08-18 17:38:28,593 INFO L268 CegarLoopResult]: For program point L626-1(lines 626 630) no Hoare annotation was computed. [2020-08-18 17:38:28,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 594 653) no Hoare annotation was computed. [2020-08-18 17:38:28,594 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-08-18 17:38:28,594 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 645) no Hoare annotation was computed. [2020-08-18 17:38:28,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 594 653) no Hoare annotation was computed. [2020-08-18 17:38:28,594 INFO L268 CegarLoopResult]: For program point L646(lines 619 647) no Hoare annotation was computed. [2020-08-18 17:38:28,594 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2020-08-18 17:38:28,594 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2020-08-18 17:38:28,594 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2020-08-18 17:38:28,594 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2020-08-18 17:38:28,594 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2020-08-18 17:38:28,595 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-18 17:38:28,595 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 17:38:28,595 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,595 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,595 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,596 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,596 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-18 17:38:28,596 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-18 17:38:28,596 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))) [2020-08-18 17:38:28,596 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))) [2020-08-18 17:38:28,596 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-18 17:38:28,597 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 17:38:28,597 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 17:38:28,597 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 17:38:28,597 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 17:38:28,597 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 17:38:28,597 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 17:38:28,597 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 17:38:28,598 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 17:38:28,599 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 17:38:28,599 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 17:38:28,599 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2020-08-18 17:38:28,599 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2020-08-18 17:38:28,599 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2020-08-18 17:38:28,599 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-08-18 17:38:28,599 INFO L268 CegarLoopResult]: For program point L252-1(line 252) no Hoare annotation was computed. [2020-08-18 17:38:28,599 INFO L268 CegarLoopResult]: For program point L241(lines 241 249) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 249) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 222 257) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 222 257) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point L229(lines 229 237) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 237) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 222 257) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2020-08-18 17:38:28,600 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2020-08-18 17:38:28,600 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 492 537) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 492 537) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 492 537) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 805 850) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point L819(lines 819 839) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point L819-1(lines 819 839) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 805 850) no Hoare annotation was computed. [2020-08-18 17:38:28,601 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 805 850) no Hoare annotation was computed. [2020-08-18 17:38:28,602 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,602 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-18 17:38:28,602 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-18 17:38:28,602 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 202 212) no Hoare annotation was computed. [2020-08-18 17:38:28,602 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-08-18 17:38:28,602 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-08-18 17:38:28,602 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 202 212) no Hoare annotation was computed. [2020-08-18 17:38:28,603 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 202 212) no Hoare annotation was computed. [2020-08-18 17:38:28,603 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 194 201) no Hoare annotation was computed. [2020-08-18 17:38:28,603 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 194 201) no Hoare annotation was computed. [2020-08-18 17:38:28,603 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 194 201) no Hoare annotation was computed. [2020-08-18 17:38:28,603 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2020-08-18 17:38:28,603 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2020-08-18 17:38:28,603 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,604 INFO L264 CegarLoopResult]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,604 INFO L268 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-08-18 17:38:28,604 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2020-08-18 17:38:28,604 INFO L268 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-08-18 17:38:28,604 INFO L268 CegarLoopResult]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2020-08-18 17:38:28,604 INFO L264 CegarLoopResult]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,604 INFO L268 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-08-18 17:38:28,604 INFO L264 CegarLoopResult]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,605 INFO L268 CegarLoopResult]: For program point L278(lines 277 324) no Hoare annotation was computed. [2020-08-18 17:38:28,605 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,605 INFO L268 CegarLoopResult]: For program point L307(lines 307 320) no Hoare annotation was computed. [2020-08-18 17:38:28,605 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,605 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-08-18 17:38:28,605 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-08-18 17:38:28,605 INFO L268 CegarLoopResult]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2020-08-18 17:38:28,606 INFO L264 CegarLoopResult]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:28,606 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 759 804) no Hoare annotation was computed. [2020-08-18 17:38:28,606 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 759 804) no Hoare annotation was computed. [2020-08-18 17:38:28,606 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 759 804) no Hoare annotation was computed. [2020-08-18 17:38:28,606 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-08-18 17:38:28,606 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-08-18 17:38:28,606 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-08-18 17:38:28,606 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 444 466) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 444 466) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 444 466) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point L452(lines 452 460) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 460) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 362 371) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 362 371) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 362 371) no Hoare annotation was computed. [2020-08-18 17:38:28,607 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 656 758) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point L702(lines 702 743) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point L744(lines 744 755) no Hoare annotation was computed. [2020-08-18 17:38:28,608 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 656 758) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 725) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point L726(lines 704 727) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 656 758) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point L685(lines 685 701) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point L745(lines 745 752) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point L706(lines 705 725) no Hoare annotation was computed. [2020-08-18 17:38:28,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:28,610 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)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:38:28,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:28,610 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 186 193) no Hoare annotation was computed. [2020-08-18 17:38:28,610 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 186 193) no Hoare annotation was computed. [2020-08-18 17:38:28,610 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 186 193) no Hoare annotation was computed. [2020-08-18 17:38:28,610 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 467 475) no Hoare annotation was computed. [2020-08-18 17:38:28,611 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 467 475) no Hoare annotation was computed. [2020-08-18 17:38:28,611 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 467 475) no Hoare annotation was computed. [2020-08-18 17:38:28,611 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 17:38:28,611 INFO L268 CegarLoopResult]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2020-08-18 17:38:28,611 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2020-08-18 17:38:28,611 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:28,611 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:38:28,612 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:28,612 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:28,612 INFO L268 CegarLoopResult]: For program point L159(lines 158 177) no Hoare annotation was computed. [2020-08-18 17:38:28,612 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:28,612 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2020-08-18 17:38:28,612 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:28,612 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2020-08-18 17:38:28,613 INFO L264 CegarLoopResult]: At program point L166(lines 166 172) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:28,613 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 17:38:28,613 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 17:38:28,613 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 17:38:28,613 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 17:38:28,613 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 17:38:28,613 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 17:38:28,614 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 17:38:28,614 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 17:38:28,614 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 17:38:28,614 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 17:38:28,614 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2020-08-18 17:38:28,614 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2020-08-18 17:38:28,614 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2020-08-18 17:38:28,614 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2020-08-18 17:38:28,615 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2020-08-18 17:38:28,615 INFO L268 CegarLoopResult]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2020-08-18 17:38:28,615 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 17:38:28,615 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 17:38:28,615 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:28,615 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 17:38:28,615 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:38:28,615 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:28,615 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2020-08-18 17:38:28,616 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-18 17:38:28,616 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2020-08-18 17:38:28,616 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2020-08-18 17:38:28,616 INFO L268 CegarLoopResult]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2020-08-18 17:38:28,616 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:28,616 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2020-08-18 17:38:28,616 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2020-08-18 17:38:28,616 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2020-08-18 17:38:28,616 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2020-08-18 17:38:28,617 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:28,617 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2020-08-18 17:38:28,617 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-08-18 17:38:28,617 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 17:38:28,617 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-08-18 17:38:28,617 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2020-08-18 17:38:28,617 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-08-18 17:38:28,617 INFO L268 CegarLoopResult]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2020-08-18 17:38:28,617 INFO L271 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: true [2020-08-18 17:38:28,617 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-08-18 17:38:28,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:38:28 BoogieIcfgContainer [2020-08-18 17:38:28,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:38:28,635 INFO L168 Benchmark]: Toolchain (without parser) took 18407.87 ms. Allocated memory was 138.9 MB in the beginning and 542.6 MB in the end (delta: 403.7 MB). Free memory was 100.5 MB in the beginning and 195.9 MB in the end (delta: -95.3 MB). Peak memory consumption was 419.7 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:28,636 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-18 17:38:28,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.15 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.5 MB in the beginning and 169.5 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:28,637 INFO L168 Benchmark]: Boogie Preprocessor took 96.21 ms. Allocated memory is still 201.3 MB. Free memory was 169.5 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:28,638 INFO L168 Benchmark]: RCFGBuilder took 1198.27 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 200.6 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:28,639 INFO L168 Benchmark]: TraceAbstraction took 16465.21 ms. Allocated memory was 233.3 MB in the beginning and 542.6 MB in the end (delta: 309.3 MB). Free memory was 200.6 MB in the beginning and 195.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 425.4 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:28,644 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.15 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 100.5 MB in the beginning and 169.5 MB in the end (delta: -69.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.21 ms. Allocated memory is still 201.3 MB. Free memory was 169.5 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1198.27 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 200.6 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16465.21 ms. Allocated memory was 233.3 MB in the beginning and 542.6 MB in the end (delta: 309.3 MB). Free memory was 200.6 MB in the beginning and 195.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 425.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 276]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 513 SDslu, 257 SDs, 0 SdLazy, 1153 SolverSat, 340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, 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, 5 MinimizatonAttempts, 106 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 175 PreInvPairs, 205 NumberOfFragments, 617 HoareAnnotationTreeSize, 175 FomulaSimplifications, 28279 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6894 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 71230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...