/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:03:09,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:03:09,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:03:09,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:03:09,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:03:09,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:03:09,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:03:09,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:03:09,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:03:09,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:03:09,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:03:09,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:03:09,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:03:09,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:03:09,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:03:09,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:03:09,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:03:09,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:03:09,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:03:09,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:03:09,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:03:09,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:03:09,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:03:09,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:03:09,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:03:09,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:03:09,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:03:09,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:03:09,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:03:09,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 10:03:09,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 10:03:09,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 10:03:09,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 10:03:09,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 10:03:09,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 10:03:09,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 10:03:09,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 10:03:09,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 10:03:09,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:03:09,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:03:09,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:03:09,186 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 [2020-09-21 10:03:09,247 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:03:09,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:03:09,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:03:09,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:03:09,249 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:03:09,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:03:09,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:03:09,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:03:09,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:03:09,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:03:09,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:03:09,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:03:09,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:03:09,252 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:03:09,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:03:09,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:03:09,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:03:09,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:03:09,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:03:09,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:03:09,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:03:09,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:03:09,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:03:09,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:03:09,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:03:09,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:03:09,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:03:09,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:03:09,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:03:09,256 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 -> false [2020-09-21 10:03:09,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:03:09,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:03:09,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:03:09,780 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:03:09,780 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:03:09,781 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-09-21 10:03:09,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f55b9cd4/57cc1e9d9f394141806ee8778a9a1c89/FLAG4156f6a4b [2020-09-21 10:03:10,457 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:03:10,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-09-21 10:03:10,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f55b9cd4/57cc1e9d9f394141806ee8778a9a1c89/FLAG4156f6a4b [2020-09-21 10:03:10,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f55b9cd4/57cc1e9d9f394141806ee8778a9a1c89 [2020-09-21 10:03:10,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:03:10,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:03:10,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:03:10,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:03:10,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:03:10,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:03:10" (1/1) ... [2020-09-21 10:03:10,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:10, skipping insertion in model container [2020-09-21 10:03:10,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:03:10" (1/1) ... [2020-09-21 10:03:10,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:03:10,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:03:11,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:03:11,337 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:03:11,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:03:11,476 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:03:11,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11 WrapperNode [2020-09-21 10:03:11,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:03:11,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:03:11,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:03:11,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:03:11,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (1/1) ... [2020-09-21 10:03:11,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (1/1) ... [2020-09-21 10:03:11,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (1/1) ... [2020-09-21 10:03:11,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (1/1) ... [2020-09-21 10:03:11,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (1/1) ... [2020-09-21 10:03:11,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (1/1) ... [2020-09-21 10:03:11,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (1/1) ... [2020-09-21 10:03:11,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:03:11,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:03:11,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:03:11,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:03:11,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (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 [2020-09-21 10:03:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:03:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:03:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 10:03:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 10:03:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 10:03:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 10:03:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 10:03:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 10:03:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 10:03:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 10:03:11,657 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 10:03:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 10:03:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 10:03:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 10:03:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 10:03:11,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 10:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 10:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 10:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 10:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 10:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 10:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 10:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 10:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 10:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 10:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 10:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 10:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 10:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 10:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 10:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 10:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 10:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 10:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 10:03:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:03:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:03:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:03:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 10:03:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 10:03:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 10:03:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 10:03:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 10:03:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 10:03:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 10:03:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 10:03:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 10:03:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 10:03:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 10:03:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 10:03:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 10:03:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 10:03:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 10:03:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 10:03:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 10:03:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 10:03:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:03:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 10:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 10:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 10:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 10:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 10:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 10:03:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 10:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 10:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 10:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 10:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 10:03:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 10:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 10:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 10:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 10:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 10:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 10:03:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 10:03:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 10:03:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 10:03:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 10:03:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 10:03:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 10:03:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 10:03:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 10:03:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:03:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:03:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 10:03:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:03:12,815 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:03:12,816 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 10:03:12,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:03:12 BoogieIcfgContainer [2020-09-21 10:03:12,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:03:12,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:03:12,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:03:12,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:03:12,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:03:10" (1/3) ... [2020-09-21 10:03:12,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10004ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:03:12, skipping insertion in model container [2020-09-21 10:03:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:03:11" (2/3) ... [2020-09-21 10:03:12,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10004ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:03:12, skipping insertion in model container [2020-09-21 10:03:12,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:03:12" (3/3) ... [2020-09-21 10:03:12,831 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-09-21 10:03:12,842 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:03:12,852 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:03:12,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:03:12,900 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:03:12,900 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:03:12,900 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:03:12,901 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:03:12,901 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:03:12,901 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:03:12,901 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:03:12,901 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:03:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-09-21 10:03:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 10:03:12,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:03:12,938 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] [2020-09-21 10:03:12,938 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:03:12,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:03:12,945 INFO L82 PathProgramCache]: Analyzing trace with hash -790254398, now seen corresponding path program 1 times [2020-09-21 10:03:12,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:03:12,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366121720] [2020-09-21 10:03:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:03:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,680 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:03:13,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:03:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:03:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:03:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:03:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:03:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:03:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 10:03:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:03:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:03:13,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366121720] [2020-09-21 10:03:13,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:03:13,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:03:13,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794627979] [2020-09-21 10:03:13,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 10:03:13,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:03:13,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 10:03:13,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:03:13,842 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-09-21 10:03:15,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:03:15,034 INFO L93 Difference]: Finished difference Result 246 states and 326 transitions. [2020-09-21 10:03:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 10:03:15,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 10:03:15,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:03:15,054 INFO L225 Difference]: With dead ends: 246 [2020-09-21 10:03:15,054 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 10:03:15,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:03:15,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 10:03:15,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-09-21 10:03:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 10:03:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-09-21 10:03:15,154 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2020-09-21 10:03:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:03:15,155 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-09-21 10:03:15,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 10:03:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-09-21 10:03:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 10:03:15,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:03:15,159 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] [2020-09-21 10:03:15,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:03:15,160 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:03:15,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:03:15,160 INFO L82 PathProgramCache]: Analyzing trace with hash 449036907, now seen corresponding path program 1 times [2020-09-21 10:03:15,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:03:15,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156950218] [2020-09-21 10:03:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:03:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,514 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:03:15,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:03:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:03:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:03:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:03:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:03:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:03:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:03:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 10:03:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:03:15,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156950218] [2020-09-21 10:03:15,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:03:15,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:03:15,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615470919] [2020-09-21 10:03:15,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:03:15,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:03:15,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:03:15,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:03:15,611 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 5 states. [2020-09-21 10:03:16,127 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:03:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:03:16,952 INFO L93 Difference]: Finished difference Result 187 states and 233 transitions. [2020-09-21 10:03:16,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:03:16,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 10:03:16,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:03:16,958 INFO L225 Difference]: With dead ends: 187 [2020-09-21 10:03:16,958 INFO L226 Difference]: Without dead ends: 129 [2020-09-21 10:03:16,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:03:16,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-21 10:03:16,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-09-21 10:03:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 10:03:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-09-21 10:03:16,995 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2020-09-21 10:03:16,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:03:16,996 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-09-21 10:03:16,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:03:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-09-21 10:03:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 10:03:16,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:03:16,999 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] [2020-09-21 10:03:16,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:03:16,999 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:03:17,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:03:17,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1483063984, now seen corresponding path program 1 times [2020-09-21 10:03:17,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:03:17,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563531132] [2020-09-21 10:03:17,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:03:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,432 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:03:17,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:03:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:03:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:03:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:03:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:03:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:03:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:03:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 10:03:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:03:17,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563531132] [2020-09-21 10:03:17,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:03:17,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:03:17,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223461293] [2020-09-21 10:03:17,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:03:17,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:03:17,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:03:17,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:03:17,577 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 9 states. [2020-09-21 10:03:18,074 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:03:18,450 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:18,788 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:19,130 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:20,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:03:20,301 INFO L93 Difference]: Finished difference Result 200 states and 252 transitions. [2020-09-21 10:03:20,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:03:20,301 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-09-21 10:03:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:03:20,305 INFO L225 Difference]: With dead ends: 200 [2020-09-21 10:03:20,306 INFO L226 Difference]: Without dead ends: 129 [2020-09-21 10:03:20,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:03:20,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-21 10:03:20,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-09-21 10:03:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 10:03:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-09-21 10:03:20,371 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2020-09-21 10:03:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:03:20,374 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-09-21 10:03:20,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:03:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-09-21 10:03:20,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 10:03:20,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:03:20,384 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, 1, 1, 1, 1, 1, 1] [2020-09-21 10:03:20,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:03:20,384 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:03:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:03:20,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1934591269, now seen corresponding path program 1 times [2020-09-21 10:03:20,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:03:20,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923371611] [2020-09-21 10:03:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:03:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,827 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:03:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:03:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:03:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:03:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:03:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:03:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:03:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 10:03:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:03:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 10:03:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 10:03:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:03:20,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923371611] [2020-09-21 10:03:20,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:03:20,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:03:20,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623465079] [2020-09-21 10:03:20,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:03:20,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:03:20,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:03:20,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:03:20,957 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 9 states. [2020-09-21 10:03:21,408 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:03:22,430 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:22,830 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:03:23,495 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:23,798 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:24,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:03:24,478 INFO L93 Difference]: Finished difference Result 309 states and 415 transitions. [2020-09-21 10:03:24,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 10:03:24,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-09-21 10:03:24,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:03:24,491 INFO L225 Difference]: With dead ends: 309 [2020-09-21 10:03:24,491 INFO L226 Difference]: Without dead ends: 238 [2020-09-21 10:03:24,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:03:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-09-21 10:03:24,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 160. [2020-09-21 10:03:24,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-21 10:03:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions. [2020-09-21 10:03:24,584 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65 [2020-09-21 10:03:24,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:03:24,586 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 186 transitions. [2020-09-21 10:03:24,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:03:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2020-09-21 10:03:24,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 10:03:24,590 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:03:24,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:03:24,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:03:24,591 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:03:24,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:03:24,592 INFO L82 PathProgramCache]: Analyzing trace with hash 419141833, now seen corresponding path program 1 times [2020-09-21 10:03:24,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:03:24,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395166657] [2020-09-21 10:03:24,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:03:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,061 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:03:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:03:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:03:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:03:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:03:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:03:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:03:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 10:03:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 10:03:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:03:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 10:03:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 10:03:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:03:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:03:25,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395166657] [2020-09-21 10:03:25,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:03:25,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 10:03:25,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764394071] [2020-09-21 10:03:25,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:03:25,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:03:25,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:03:25,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:03:25,207 INFO L87 Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 10 states. [2020-09-21 10:03:25,675 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:03:26,700 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:27,013 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:27,341 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:27,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:03:27,630 INFO L93 Difference]: Finished difference Result 299 states and 380 transitions. [2020-09-21 10:03:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 10:03:27,638 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-09-21 10:03:27,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:03:27,639 INFO L225 Difference]: With dead ends: 299 [2020-09-21 10:03:27,639 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:03:27,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 10:03:27,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:03:27,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:03:27,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:03:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:03:27,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 10:03:27,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:03:27,648 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:03:27,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:03:27,651 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:03:27,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:03:27,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:03:27,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:03:27,845 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:28,014 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:28,185 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:28,583 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:03:28,974 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:03:29,351 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:03:29,658 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 10:03:30,027 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:03:30,333 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 10:03:30,957 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-21 10:03:31,121 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:31,287 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:31,450 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:31,614 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:03:31,775 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:03:31,934 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:32,089 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:32,247 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:32,405 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:32,558 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:32,719 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:32,862 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:03:33,021 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:33,179 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:33,337 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:33,490 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:33,647 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:33,801 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:33,964 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:34,118 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:34,278 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:34,436 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:34,594 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:34,751 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:34,904 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:35,073 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:35,420 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 202 [2020-09-21 10:03:36,054 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-21 10:03:36,226 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:36,386 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:36,546 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:36,702 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:36,871 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:37,248 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:03:37,615 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:03:37,994 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:03:38,284 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:03:38,648 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 10:03:38,938 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:03:39,281 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 202 [2020-09-21 10:03:39,441 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:39,599 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:39,759 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:39,912 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:40,072 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:40,224 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:40,381 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:40,548 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:40,705 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:40,858 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:41,443 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2020-09-21 10:03:41,603 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:41,771 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:41,929 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:42,084 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:03:42,242 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:03:42,643 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:03:42,881 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:03:43,330 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:03:43,502 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-09-21 10:03:43,663 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 10:03:43,916 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:03:44,160 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:03:44,599 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 10:03:44,866 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:03:45,305 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:03:45,763 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-21 10:03:46,026 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 19 [2020-09-21 10:03:46,485 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:03:46,716 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:03:47,156 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:03:47,440 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:03:47,663 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 10:03:47,919 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:03:48,153 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 10:03:48,383 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:03:48,602 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 10:03:48,835 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:03:49,227 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:03:49,410 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-09-21 10:03:49,809 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:03:50,237 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:03:50,242 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-09-21 10:03:50,243 INFO L268 CegarLoopResult]: For program point L503-1(lines 503 507) no Hoare annotation was computed. [2020-09-21 10:03:50,243 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 472 527) no Hoare annotation was computed. [2020-09-21 10:03:50,243 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-09-21 10:03:50,243 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 518) no Hoare annotation was computed. [2020-09-21 10:03:50,243 INFO L268 CegarLoopResult]: For program point L519(lines 496 520) no Hoare annotation was computed. [2020-09-21 10:03:50,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 472 527) no Hoare annotation was computed. [2020-09-21 10:03:50,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 472 527) no Hoare annotation was computed. [2020-09-21 10:03:50,244 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-09-21 10:03:50,244 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-09-21 10:03:50,244 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 528 587) no Hoare annotation was computed. [2020-09-21 10:03:50,245 INFO L268 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-09-21 10:03:50,245 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 564) no Hoare annotation was computed. [2020-09-21 10:03:50,245 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 528 587) no Hoare annotation was computed. [2020-09-21 10:03:50,245 INFO L268 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-09-21 10:03:50,245 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 528 587) no Hoare annotation was computed. [2020-09-21 10:03:50,245 INFO L268 CegarLoopResult]: For program point L554-2(lines 554 579) no Hoare annotation was computed. [2020-09-21 10:03:50,245 INFO L268 CegarLoopResult]: For program point L580(lines 553 581) no Hoare annotation was computed. [2020-09-21 10:03:50,246 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 10:03:50,246 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 10:03:50,246 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 10:03:50,247 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 10:03:50,247 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 10:03:50,248 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 868 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,248 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 868 890) no Hoare annotation was computed. [2020-09-21 10:03:50,253 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 10:03:50,253 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 10:03:50,253 INFO L268 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-09-21 10:03:50,253 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 885) no Hoare annotation was computed. [2020-09-21 10:03:50,253 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 868 890) no Hoare annotation was computed. [2020-09-21 10:03:50,254 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-09-21 10:03:50,254 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,254 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,254 INFO L264 CegarLoopResult]: At program point L874-1(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,254 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-09-21 10:03:50,254 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-09-21 10:03:50,254 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 826 849) no Hoare annotation was computed. [2020-09-21 10:03:50,255 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 10:03:50,256 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 826 849) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 826 849) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-09-21 10:03:50,257 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 245 253) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 245 253) the Hoare annotation is: true [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 245 253) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-09-21 10:03:50,258 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L268 CegarLoopResult]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 254 289) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 254 289) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L268 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 269) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 254 289) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 10:03:50,259 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 10:03:50,260 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 426 471) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 426 471) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 426 471) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 739 784) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point L759(lines 759 766) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point L753(lines 753 773) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point L753-1(lines 753 773) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 739 784) no Hoare annotation was computed. [2020-09-21 10:03:50,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 739 784) no Hoare annotation was computed. [2020-09-21 10:03:50,262 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 857 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,262 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 10:03:50,262 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 857 867) no Hoare annotation was computed. [2020-09-21 10:03:50,262 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 857 867) no Hoare annotation was computed. [2020-09-21 10:03:50,262 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 234 244) the Hoare annotation is: true [2020-09-21 10:03:50,262 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-09-21 10:03:50,262 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-09-21 10:03:50,262 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 234 244) no Hoare annotation was computed. [2020-09-21 10:03:50,262 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 234 244) no Hoare annotation was computed. [2020-09-21 10:03:50,263 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 226 233) the Hoare annotation is: true [2020-09-21 10:03:50,263 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 226 233) no Hoare annotation was computed. [2020-09-21 10:03:50,263 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 226 233) no Hoare annotation was computed. [2020-09-21 10:03:50,263 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 193 217) no Hoare annotation was computed. [2020-09-21 10:03:50,263 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,263 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 193 217) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,263 INFO L268 CegarLoopResult]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2020-09-21 10:03:50,263 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,263 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,263 INFO L268 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-09-21 10:03:50,264 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,264 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-09-21 10:03:50,264 INFO L268 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2020-09-21 10:03:50,264 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 185 191) no Hoare annotation was computed. [2020-09-21 10:03:50,264 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 185 191) the Hoare annotation is: true [2020-09-21 10:03:50,264 INFO L264 CegarLoopResult]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,264 INFO L268 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-09-21 10:03:50,265 INFO L268 CegarLoopResult]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2020-09-21 10:03:50,265 INFO L264 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,265 INFO L268 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2020-09-21 10:03:50,265 INFO L264 CegarLoopResult]: At program point L131-2(lines 123 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,265 INFO L268 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2020-09-21 10:03:50,265 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,266 INFO L268 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2020-09-21 10:03:50,266 INFO L264 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,266 INFO L268 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-09-21 10:03:50,266 INFO L268 CegarLoopResult]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2020-09-21 10:03:50,266 INFO L264 CegarLoopResult]: At program point L138(lines 93 140) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,266 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:03:50,266 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 693 738) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 693 738) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 693 738) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point L713(lines 713 720) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point L707(lines 707 727) no Hoare annotation was computed. [2020-09-21 10:03:50,267 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 727) no Hoare annotation was computed. [2020-09-21 10:03:50,268 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 10:03:50,268 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-09-21 10:03:50,268 INFO L268 CegarLoopResult]: For program point L402(lines 402 412) no Hoare annotation was computed. [2020-09-21 10:03:50,268 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 390 418) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:03:50,268 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-09-21 10:03:50,268 INFO L268 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-09-21 10:03:50,268 INFO L268 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2020-09-21 10:03:50,269 INFO L268 CegarLoopResult]: For program point L398-1(lines 390 418) no Hoare annotation was computed. [2020-09-21 10:03:50,269 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:03:50,269 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-09-21 10:03:50,269 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 390 418) no Hoare annotation was computed. [2020-09-21 10:03:50,269 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 363) no Hoare annotation was computed. [2020-09-21 10:03:50,269 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 347 369) no Hoare annotation was computed. [2020-09-21 10:03:50,269 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 347 369) no Hoare annotation was computed. [2020-09-21 10:03:50,269 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 347 369) no Hoare annotation was computed. [2020-09-21 10:03:50,270 INFO L268 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-09-21 10:03:50,270 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 382 389) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:03:50,270 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 382 389) no Hoare annotation was computed. [2020-09-21 10:03:50,270 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 382 389) no Hoare annotation was computed. [2020-09-21 10:03:50,270 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 10:03:50,270 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 10:03:50,270 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 10:03:50,270 INFO L268 CegarLoopResult]: For program point L640(lines 639 659) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 590 692) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point L636(lines 636 677) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point L655-1(line 655) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point L678(lines 678 689) no Hoare annotation was computed. [2020-09-21 10:03:50,271 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 590 692) no Hoare annotation was computed. [2020-09-21 10:03:50,272 INFO L268 CegarLoopResult]: For program point L641(lines 641 645) no Hoare annotation was computed. [2020-09-21 10:03:50,272 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 659) no Hoare annotation was computed. [2020-09-21 10:03:50,272 INFO L268 CegarLoopResult]: For program point L660(lines 638 661) no Hoare annotation was computed. [2020-09-21 10:03:50,272 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 590 692) no Hoare annotation was computed. [2020-09-21 10:03:50,272 INFO L268 CegarLoopResult]: For program point L619(lines 619 635) no Hoare annotation was computed. [2020-09-21 10:03:50,272 INFO L268 CegarLoopResult]: For program point L679(lines 679 686) no Hoare annotation was computed. [2020-09-21 10:03:50,272 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:03:50,273 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#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~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#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~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 10:03:50,273 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:03:50,273 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2020-09-21 10:03:50,273 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2020-09-21 10:03:50,273 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 218 225) no Hoare annotation was computed. [2020-09-21 10:03:50,273 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 370 378) no Hoare annotation was computed. [2020-09-21 10:03:50,273 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 370 378) no Hoare annotation was computed. [2020-09-21 10:03:50,274 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 370 378) no Hoare annotation was computed. [2020-09-21 10:03:50,274 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 326 337) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 10:03:50,274 INFO L268 CegarLoopResult]: For program point L330-1(lines 326 337) no Hoare annotation was computed. [2020-09-21 10:03:50,274 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 326 337) no Hoare annotation was computed. [2020-09-21 10:03:50,274 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:03:50,274 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 10:03:50,274 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:03:50,274 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,275 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,275 INFO L264 CegarLoopResult]: At program point L172(lines 172 178) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,275 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2020-09-21 10:03:50,275 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:03:50,275 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2020-09-21 10:03:50,275 INFO L268 CegarLoopResult]: For program point L165(lines 164 183) no Hoare annotation was computed. [2020-09-21 10:03:50,276 INFO L268 CegarLoopResult]: For program point L802-1(line 802) no Hoare annotation was computed. [2020-09-21 10:03:50,276 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 796 825) no Hoare annotation was computed. [2020-09-21 10:03:50,276 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 796 825) the Hoare annotation is: true [2020-09-21 10:03:50,276 INFO L271 CegarLoopResult]: At program point L821(lines 796 825) the Hoare annotation is: true [2020-09-21 10:03:50,276 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-09-21 10:03:50,276 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-09-21 10:03:50,276 INFO L271 CegarLoopResult]: At program point L810-1(lines 810 814) the Hoare annotation is: true [2020-09-21 10:03:50,276 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-09-21 10:03:50,276 INFO L271 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: true [2020-09-21 10:03:50,277 INFO L271 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: true [2020-09-21 10:03:50,277 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 338 346) the Hoare annotation is: true [2020-09-21 10:03:50,277 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 338 346) no Hoare annotation was computed. [2020-09-21 10:03:50,277 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 338 346) no Hoare annotation was computed. [2020-09-21 10:03:50,277 INFO L268 CegarLoopResult]: For program point L306-1(lines 302 313) no Hoare annotation was computed. [2020-09-21 10:03:50,277 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 302 313) the Hoare annotation is: true [2020-09-21 10:03:50,277 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 302 313) no Hoare annotation was computed. [2020-09-21 10:03:50,278 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 850 856) no Hoare annotation was computed. [2020-09-21 10:03:50,278 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 850 856) the Hoare annotation is: true [2020-09-21 10:03:50,278 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:03:50,278 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 10:03:50,278 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 10:03:50,278 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:03:50,278 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2020-09-21 10:03:50,278 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 10:03:50,279 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2020-09-21 10:03:50,279 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 314 325) no Hoare annotation was computed. [2020-09-21 10:03:50,279 INFO L268 CegarLoopResult]: For program point L318-1(lines 314 325) no Hoare annotation was computed. [2020-09-21 10:03:50,279 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 314 325) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 10:03:50,279 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 786 793) no Hoare annotation was computed. [2020-09-21 10:03:50,279 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2020-09-21 10:03:50,280 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 786 793) the Hoare annotation is: true [2020-09-21 10:03:50,280 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 786 793) no Hoare annotation was computed. [2020-09-21 10:03:50,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:03:50 BoogieIcfgContainer [2020-09-21 10:03:50,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:03:50,302 INFO L168 Benchmark]: Toolchain (without parser) took 39599.05 ms. Allocated memory was 140.0 MB in the beginning and 542.6 MB in the end (delta: 402.7 MB). Free memory was 101.0 MB in the beginning and 386.0 MB in the end (delta: -285.0 MB). Peak memory consumption was 420.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:03:50,302 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 10:03:50,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.98 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 171.6 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-09-21 10:03:50,304 INFO L168 Benchmark]: Boogie Preprocessor took 96.11 ms. Allocated memory is still 201.9 MB. Free memory was 171.6 MB in the beginning and 167.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:03:50,305 INFO L168 Benchmark]: RCFGBuilder took 1247.70 ms. Allocated memory was 201.9 MB in the beginning and 236.5 MB in the end (delta: 34.6 MB). Free memory was 167.6 MB in the beginning and 201.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:03:50,306 INFO L168 Benchmark]: TraceAbstraction took 37476.80 ms. Allocated memory was 236.5 MB in the beginning and 542.6 MB in the end (delta: 306.2 MB). Free memory was 201.6 MB in the beginning and 386.0 MB in the end (delta: -184.4 MB). Peak memory consumption was 424.1 MB. Max. memory is 7.1 GB. [2020-09-21 10:03:50,309 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.98 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 171.6 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.11 ms. Allocated memory is still 201.9 MB. Free memory was 171.6 MB in the beginning and 167.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1247.70 ms. Allocated memory was 201.9 MB in the beginning and 236.5 MB in the end (delta: 34.6 MB). Free memory was 167.6 MB in the beginning and 201.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37476.80 ms. Allocated memory was 236.5 MB in the beginning and 542.6 MB in the end (delta: 306.2 MB). Free memory was 201.6 MB in the beginning and 386.0 MB in the end (delta: -184.4 MB). Peak memory consumption was 424.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: 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: 93]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 852 SDslu, 378 SDs, 0 SdLazy, 1814 SolverSat, 669 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 832 HoareAnnotationTreeSize, 258 FomulaSimplifications, 107822 FormulaSimplificationTreeSizeReduction, 14.5s HoareSimplificationTime, 52 FomulaSimplificationsInter, 10282 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 85909 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...