/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 01:42:34,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 01:42:34,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 01:42:34,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 01:42:34,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 01:42:34,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 01:42:34,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 01:42:34,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 01:42:34,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 01:42:34,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 01:42:34,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 01:42:34,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 01:42:34,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 01:42:34,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 01:42:34,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 01:42:34,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 01:42:34,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 01:42:34,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 01:42:34,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 01:42:34,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 01:42:34,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 01:42:34,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 01:42:34,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 01:42:34,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 01:42:34,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 01:42:34,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 01:42:34,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 01:42:34,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 01:42:34,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 01:42:34,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 01:42:34,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 01:42:34,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 01:42:34,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 01:42:34,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 01:42:34,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 01:42:34,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 01:42:34,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 01:42:34,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 01:42:34,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 01:42:34,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 01:42:34,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 01:42:34,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 01:42:34,539 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 01:42:34,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 01:42:34,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 01:42:34,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 01:42:34,541 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 01:42:34,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 01:42:34,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 01:42:34,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 01:42:34,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 01:42:34,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 01:42:34,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 01:42:34,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 01:42:34,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 01:42:34,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 01:42:34,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 01:42:34,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 01:42:34,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 01:42:34,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 01:42:34,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 01:42:34,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 01:42:34,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 01:42:34,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 01:42:34,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 01:42:34,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 01:42:34,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 01:42:34,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 01:42:34,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 01:42:34,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 01:42:34,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 01:42:34,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; [2020-08-19 01:42:34,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 01:42:34,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 01:42:34,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 01:42:34,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 01:42:34,935 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 01:42:34,936 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2020-08-19 01:42:35,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d229e1ea8/8261145df5d045c583b9928ee2d887ce/FLAG649b15e64 [2020-08-19 01:42:35,578 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 01:42:35,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2020-08-19 01:42:35,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d229e1ea8/8261145df5d045c583b9928ee2d887ce/FLAG649b15e64 [2020-08-19 01:42:35,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d229e1ea8/8261145df5d045c583b9928ee2d887ce [2020-08-19 01:42:35,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 01:42:35,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 01:42:35,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 01:42:35,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 01:42:35,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 01:42:35,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:42:35" (1/1) ... [2020-08-19 01:42:35,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2f3aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:35, skipping insertion in model container [2020-08-19 01:42:35,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:42:35" (1/1) ... [2020-08-19 01:42:35,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 01:42:36,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 01:42:36,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:42:36,591 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 01:42:36,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:42:36,732 INFO L208 MainTranslator]: Completed translation [2020-08-19 01:42:36,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36 WrapperNode [2020-08-19 01:42:36,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 01:42:36,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 01:42:36,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 01:42:36,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 01:42:36,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... [2020-08-19 01:42:36,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... [2020-08-19 01:42:36,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... [2020-08-19 01:42:36,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... [2020-08-19 01:42:36,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... [2020-08-19 01:42:36,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... [2020-08-19 01:42:36,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... [2020-08-19 01:42:36,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 01:42:36,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 01:42:36,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 01:42:36,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 01:42:36,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 01:42:36,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 01:42:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 01:42:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 01:42:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 01:42:36,945 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 01:42:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 01:42:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 01:42:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 01:42:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 01:42:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 01:42:36,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 01:42:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 01:42:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 01:42:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 01:42:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 01:42:36,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 01:42:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 01:42:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 01:42:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 01:42:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 01:42:36,948 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 01:42:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 01:42:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 01:42:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 01:42:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 01:42:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 01:42:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 01:42:36,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 01:42:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 01:42:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 01:42:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-19 01:42:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 01:42:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 01:42:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 01:42:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 01:42:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 01:42:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 01:42:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 01:42:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 01:42:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 01:42:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 01:42:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 01:42:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 01:42:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 01:42:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 01:42:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 01:42:36,952 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 01:42:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 01:42:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 01:42:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 01:42:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 01:42:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 01:42:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 01:42:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 01:42:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-19 01:42:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 01:42:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 01:42:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 01:42:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 01:42:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 01:42:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 01:42:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 01:42:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 01:42:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 01:42:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 01:42:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 01:42:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 01:42:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 01:42:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 01:42:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 01:42:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 01:42:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 01:42:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 01:42:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 01:42:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 01:42:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 01:42:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 01:42:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 01:42:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 01:42:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 01:42:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 01:42:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 01:42:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 01:42:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 01:42:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 01:42:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 01:42:38,007 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 01:42:38,007 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 01:42:38,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:42:38 BoogieIcfgContainer [2020-08-19 01:42:38,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 01:42:38,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 01:42:38,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 01:42:38,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 01:42:38,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 01:42:35" (1/3) ... [2020-08-19 01:42:38,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755d2124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:42:38, skipping insertion in model container [2020-08-19 01:42:38,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:42:36" (2/3) ... [2020-08-19 01:42:38,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755d2124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:42:38, skipping insertion in model container [2020-08-19 01:42:38,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:42:38" (3/3) ... [2020-08-19 01:42:38,021 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2020-08-19 01:42:38,031 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 01:42:38,039 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 01:42:38,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 01:42:38,079 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 01:42:38,080 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 01:42:38,080 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 01:42:38,080 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 01:42:38,080 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 01:42:38,080 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 01:42:38,080 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 01:42:38,081 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 01:42:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-08-19 01:42:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 01:42:38,113 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:42:38,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:42:38,114 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:42:38,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:42:38,121 INFO L82 PathProgramCache]: Analyzing trace with hash 667254028, now seen corresponding path program 1 times [2020-08-19 01:42:38,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:42:38,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901979236] [2020-08-19 01:42:38,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:42:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,827 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:42:38,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:42:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:42:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:42:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:42:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:42:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 01:42:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 01:42:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:42:38,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901979236] [2020-08-19 01:42:38,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:42:38,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 01:42:38,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603669492] [2020-08-19 01:42:38,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 01:42:38,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:42:38,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 01:42:38,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 01:42:38,947 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 3 states. [2020-08-19 01:42:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:42:39,963 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-08-19 01:42:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 01:42:39,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 01:42:39,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:42:39,980 INFO L225 Difference]: With dead ends: 228 [2020-08-19 01:42:39,980 INFO L226 Difference]: Without dead ends: 125 [2020-08-19 01:42:39,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 01:42:40,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-19 01:42:40,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-08-19 01:42:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-19 01:42:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-19 01:42:40,115 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-08-19 01:42:40,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:42:40,117 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-19 01:42:40,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 01:42:40,117 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-19 01:42:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 01:42:40,122 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:42:40,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:42:40,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 01:42:40,123 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:42:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:42:40,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1006475212, now seen corresponding path program 1 times [2020-08-19 01:42:40,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:42:40,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089278996] [2020-08-19 01:42:40,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:42:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,560 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:42:40,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:42:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:42:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:42:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:42:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:42:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 01:42:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 01:42:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:42:40,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089278996] [2020-08-19 01:42:40,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:42:40,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 01:42:40,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312675507] [2020-08-19 01:42:40,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 01:42:40,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:42:40,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 01:42:40,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 01:42:40,628 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-08-19 01:42:41,128 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 01:42:41,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:42:41,698 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-08-19 01:42:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 01:42:41,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 01:42:41,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:42:41,702 INFO L225 Difference]: With dead ends: 148 [2020-08-19 01:42:41,702 INFO L226 Difference]: Without dead ends: 109 [2020-08-19 01:42:41,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 01:42:41,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-19 01:42:41,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-08-19 01:42:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-19 01:42:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-08-19 01:42:41,735 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-08-19 01:42:41,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:42:41,735 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-08-19 01:42:41,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 01:42:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-08-19 01:42:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 01:42:41,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:42:41,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:42:41,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 01:42:41,739 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:42:41,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:42:41,739 INFO L82 PathProgramCache]: Analyzing trace with hash 882475242, now seen corresponding path program 1 times [2020-08-19 01:42:41,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:42:41,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883459727] [2020-08-19 01:42:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:42:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,133 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:42:42,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:42:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:42:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:42:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:42:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:42:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 01:42:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 01:42:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:42:42,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883459727] [2020-08-19 01:42:42,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:42:42,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 01:42:42,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435697220] [2020-08-19 01:42:42,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:42:42,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:42:42,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:42:42,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:42:42,285 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-08-19 01:42:42,625 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:42:42,984 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:43,252 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:43,517 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:44,312 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 01:42:45,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:42:45,377 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-08-19 01:42:45,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 01:42:45,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 01:42:45,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:42:45,384 INFO L225 Difference]: With dead ends: 302 [2020-08-19 01:42:45,385 INFO L226 Difference]: Without dead ends: 241 [2020-08-19 01:42:45,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 01:42:45,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-08-19 01:42:45,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-08-19 01:42:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-19 01:42:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-08-19 01:42:45,443 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-08-19 01:42:45,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:42:45,444 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-08-19 01:42:45,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:42:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-08-19 01:42:45,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-19 01:42:45,446 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:42:45,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:42:45,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 01:42:45,447 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:42:45,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:42:45,447 INFO L82 PathProgramCache]: Analyzing trace with hash 231939386, now seen corresponding path program 1 times [2020-08-19 01:42:45,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:42:45,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [772032386] [2020-08-19 01:42:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:42:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,751 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:42:45,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:42:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:42:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:42:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:42:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:42:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 01:42:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 01:42:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 01:42:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:42:45,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [772032386] [2020-08-19 01:42:45,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:42:45,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 01:42:45,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780212195] [2020-08-19 01:42:45,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 01:42:45,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:42:45,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 01:42:45,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-19 01:42:45,820 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 7 states. [2020-08-19 01:42:46,151 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:42:47,134 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:47,418 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:47,685 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:47,948 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:42:48,271 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 01:42:48,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:42:48,623 INFO L93 Difference]: Finished difference Result 521 states and 661 transitions. [2020-08-19 01:42:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 01:42:48,626 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-08-19 01:42:48,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:42:48,630 INFO L225 Difference]: With dead ends: 521 [2020-08-19 01:42:48,631 INFO L226 Difference]: Without dead ends: 373 [2020-08-19 01:42:48,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-08-19 01:42:48,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-08-19 01:42:48,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 299. [2020-08-19 01:42:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-08-19 01:42:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2020-08-19 01:42:48,711 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2020-08-19 01:42:48,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:42:48,712 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2020-08-19 01:42:48,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 01:42:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2020-08-19 01:42:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-19 01:42:48,715 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:42:48,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:42:48,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 01:42:48,716 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:42:48,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:42:48,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1273020098, now seen corresponding path program 1 times [2020-08-19 01:42:48,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:42:48,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983228206] [2020-08-19 01:42:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:42:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,034 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:42:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:42:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 01:42:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:42:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 01:42:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 01:42:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-19 01:42:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-19 01:42:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-19 01:42:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 01:42:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:42:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:42:49,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983228206] [2020-08-19 01:42:49,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:42:49,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 01:42:49,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384625894] [2020-08-19 01:42:49,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:42:49,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:42:49,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:42:49,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:42:49,172 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 8 states. [2020-08-19 01:42:49,542 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 01:42:50,405 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:50,696 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:50,986 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 01:42:51,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:42:51,170 INFO L93 Difference]: Finished difference Result 609 states and 776 transitions. [2020-08-19 01:42:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 01:42:51,171 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-19 01:42:51,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:42:51,171 INFO L225 Difference]: With dead ends: 609 [2020-08-19 01:42:51,171 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 01:42:51,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 01:42:51,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 01:42:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 01:42:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 01:42:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 01:42:51,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-08-19 01:42:51,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:42:51,176 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 01:42:51,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:42:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 01:42:51,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 01:42:51,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 01:42:51,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 01:42:53,992 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 01:42:54,180 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 01:42:54,379 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 01:42:54,599 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 01:42:55,035 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-19 01:42:55,607 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-08-19 01:42:55,825 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 01:42:56,175 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-19 01:42:56,414 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 01:42:56,608 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 01:42:56,789 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 01:42:56,979 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 01:42:57,328 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-19 01:42:57,506 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-19 01:42:57,846 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-19 01:42:58,027 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-19 01:42:58,268 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 01:42:58,447 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 01:42:58,789 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-19 01:42:58,977 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 01:42:59,312 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-08-19 01:42:59,520 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-19 01:42:59,524 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-08-19 01:42:59,524 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 349) no Hoare annotation was computed. [2020-08-19 01:42:59,524 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 314 369) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point L339-2(lines 339 360) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point L361(lines 338 362) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 314 369) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 314 369) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 370 429) no Hoare annotation was computed. [2020-08-19 01:42:59,525 INFO L268 CegarLoopResult]: For program point L402(lines 402 406) no Hoare annotation was computed. [2020-08-19 01:42:59,526 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 406) no Hoare annotation was computed. [2020-08-19 01:42:59,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 370 429) no Hoare annotation was computed. [2020-08-19 01:42:59,526 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-19 01:42:59,526 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 421) no Hoare annotation was computed. [2020-08-19 01:42:59,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 370 429) no Hoare annotation was computed. [2020-08-19 01:42:59,527 INFO L268 CegarLoopResult]: For program point L422(lines 395 423) no Hoare annotation was computed. [2020-08-19 01:42:59,527 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2020-08-19 01:42:59,527 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2020-08-19 01:42:59,527 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2020-08-19 01:42:59,528 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2020-08-19 01:42:59,528 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 737 745) no Hoare annotation was computed. [2020-08-19 01:42:59,528 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 845 867) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 01:42:59,528 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-19 01:42:59,529 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2020-08-19 01:42:59,529 INFO L264 CegarLoopResult]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-19 01:42:59,529 INFO L268 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2020-08-19 01:42:59,529 INFO L268 CegarLoopResult]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2020-08-19 01:42:59,529 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-19 01:42:59,529 INFO L264 CegarLoopResult]: At program point L852(line 852) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 01:42:59,530 INFO L264 CegarLoopResult]: At program point L851(line 851) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 01:42:59,530 INFO L264 CegarLoopResult]: At program point L851-1(line 851) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 01:42:59,530 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 845 867) no Hoare annotation was computed. [2020-08-19 01:42:59,530 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 804 827) no Hoare annotation was computed. [2020-08-19 01:42:59,530 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 804 827) no Hoare annotation was computed. [2020-08-19 01:42:59,530 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 804 827) no Hoare annotation was computed. [2020-08-19 01:42:59,530 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-19 01:42:59,531 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-08-19 01:42:59,532 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-19 01:42:59,532 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-19 01:42:59,532 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-19 01:42:59,532 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-19 01:42:59,532 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-19 01:42:59,532 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2020-08-19 01:42:59,532 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-19 01:42:59,532 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 238 252) no Hoare annotation was computed. [2020-08-19 01:42:59,533 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 01:42:59,533 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-08-19 01:42:59,533 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2020-08-19 01:42:59,533 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2020-08-19 01:42:59,533 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2020-08-19 01:42:59,533 INFO L268 CegarLoopResult]: For program point L221(lines 221 229) no Hoare annotation was computed. [2020-08-19 01:42:59,533 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 229) no Hoare annotation was computed. [2020-08-19 01:42:59,533 INFO L268 CegarLoopResult]: For program point L209(lines 209 217) no Hoare annotation was computed. [2020-08-19 01:42:59,533 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 217) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 202 237) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 268 313) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 268 313) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 268 313) no Hoare annotation was computed. [2020-08-19 01:42:59,534 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 581 626) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point L595(lines 595 615) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 615) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 581 626) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 581 626) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 835 844) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 182 192) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2020-08-19 01:42:59,535 INFO L268 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-08-19 01:42:59,536 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2020-08-19 01:42:59,536 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2020-08-19 01:42:59,536 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2020-08-19 01:42:59,536 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2020-08-19 01:42:59,536 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2020-08-19 01:42:59,536 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2020-08-19 01:42:59,536 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 01:42:59,536 INFO L264 CegarLoopResult]: At program point testENTRY(lines 55 122) 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)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 01:42:59,536 INFO L268 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2020-08-19 01:42:59,536 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 01:42:59,537 INFO L268 CegarLoopResult]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2020-08-19 01:42:59,537 INFO L268 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-08-19 01:42:59,537 INFO L268 CegarLoopResult]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2020-08-19 01:42:59,537 INFO L264 CegarLoopResult]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 01:42:59,537 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 01:42:59,537 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-19 01:42:59,537 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-19 01:42:59,537 INFO L268 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-08-19 01:42:59,537 INFO L264 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 01:42:59,537 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 01:42:59,538 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-08-19 01:42:59,538 INFO L264 CegarLoopResult]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 01:42:59,538 INFO L268 CegarLoopResult]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2020-08-19 01:42:59,538 INFO L268 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2020-08-19 01:42:59,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 535 580) no Hoare annotation was computed. [2020-08-19 01:42:59,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 535 580) no Hoare annotation was computed. [2020-08-19 01:42:59,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 535 580) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point L555(lines 555 562) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point L549(lines 549 569) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point L549-1(lines 549 569) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2020-08-19 01:42:59,539 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 676 698) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 501) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 432 534) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point L502(lines 480 503) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point L461(lines 461 477) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point L521(lines 521 528) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 432 534) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point L482(lines 481 501) no Hoare annotation was computed. [2020-08-19 01:42:59,540 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point L478(lines 478 519) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 432 534) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point L497-1(line 497) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point L520(lines 520 531) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 713 722) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 713 722) no Hoare annotation was computed. [2020-08-19 01:42:59,541 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 713 722) no Hoare annotation was computed. [2020-08-19 01:42:59,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:42:59,542 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 01:42:59,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:42:59,542 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2020-08-19 01:42:59,542 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2020-08-19 01:42:59,542 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 166 173) no Hoare annotation was computed. [2020-08-19 01:42:59,542 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 699 707) no Hoare annotation was computed. [2020-08-19 01:42:59,542 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2020-08-19 01:42:59,543 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2020-08-19 01:42:59,543 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 01:42:59,543 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2020-08-19 01:42:59,543 INFO L268 CegarLoopResult]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2020-08-19 01:42:59,543 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:42:59,543 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 01:42:59,543 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:42:59,543 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2020-08-19 01:42:59,543 INFO L264 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-19 01:42:59,543 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-19 01:42:59,543 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-19 01:42:59,544 INFO L268 CegarLoopResult]: For program point L139(lines 138 157) no Hoare annotation was computed. [2020-08-19 01:42:59,544 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2020-08-19 01:42:59,544 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2020-08-19 01:42:59,544 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2020-08-19 01:42:59,544 INFO L271 CegarLoopResult]: At program point L799(lines 774 803) the Hoare annotation is: true [2020-08-19 01:42:59,544 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2020-08-19 01:42:59,544 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-08-19 01:42:59,544 INFO L268 CegarLoopResult]: For program point L788(lines 788 792) no Hoare annotation was computed. [2020-08-19 01:42:59,544 INFO L271 CegarLoopResult]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2020-08-19 01:42:59,544 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-08-19 01:42:59,544 INFO L271 CegarLoopResult]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2020-08-19 01:42:59,544 INFO L271 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: true [2020-08-19 01:42:59,545 INFO L268 CegarLoopResult]: For program point L780-1(line 780) no Hoare annotation was computed. [2020-08-19 01:42:59,545 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2020-08-19 01:42:59,545 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2020-08-19 01:42:59,545 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2020-08-19 01:42:59,545 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2020-08-19 01:42:59,545 INFO L268 CegarLoopResult]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2020-08-19 01:42:59,545 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2020-08-19 01:42:59,545 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2020-08-19 01:42:59,545 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2020-08-19 01:42:59,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:42:59,545 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-19 01:42:59,545 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 01:42:59,546 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:42:59,546 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2020-08-19 01:42:59,546 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-19 01:42:59,546 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 253 260) no Hoare annotation was computed. [2020-08-19 01:42:59,546 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2020-08-19 01:42:59,546 INFO L268 CegarLoopResult]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2020-08-19 01:42:59,546 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-19 01:42:59,546 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-19 01:42:59,547 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2020-08-19 01:42:59,547 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-19 01:42:59,547 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L268 CegarLoopResult]: For program point L759(lines 759 765) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L264 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-19 01:42:59,547 INFO L268 CegarLoopResult]: For program point L757-1(line 757) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L268 CegarLoopResult]: For program point L755(lines 755 768) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L268 CegarLoopResult]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2020-08-19 01:42:59,547 INFO L271 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: true [2020-08-19 01:42:59,548 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-08-19 01:42:59,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 01:42:59 BoogieIcfgContainer [2020-08-19 01:42:59,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 01:42:59,566 INFO L168 Benchmark]: Toolchain (without parser) took 23625.85 ms. Allocated memory was 141.0 MB in the beginning and 590.9 MB in the end (delta: 449.8 MB). Free memory was 100.4 MB in the beginning and 139.1 MB in the end (delta: -38.7 MB). Peak memory consumption was 473.7 MB. Max. memory is 7.1 GB. [2020-08-19 01:42:59,567 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 141.0 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 01:42:59,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.23 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 100.2 MB in the beginning and 167.1 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-08-19 01:42:59,569 INFO L168 Benchmark]: Boogie Preprocessor took 146.58 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-19 01:42:59,570 INFO L168 Benchmark]: RCFGBuilder took 1130.29 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 162.9 MB in the beginning and 198.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-08-19 01:42:59,571 INFO L168 Benchmark]: TraceAbstraction took 21550.65 ms. Allocated memory was 231.7 MB in the beginning and 590.9 MB in the end (delta: 359.1 MB). Free memory was 196.7 MB in the beginning and 139.1 MB in the end (delta: 57.6 MB). Peak memory consumption was 479.3 MB. Max. memory is 7.1 GB. [2020-08-19 01:42:59,575 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 141.0 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 793.23 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 100.2 MB in the beginning and 167.1 MB in the end (delta: -66.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.58 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1130.29 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 162.9 MB in the beginning and 198.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21550.65 ms. Allocated memory was 231.7 MB in the beginning and 590.9 MB in the end (delta: 359.1 MB). Free memory was 196.7 MB in the beginning and 139.1 MB in the end (delta: 57.6 MB). Peak memory consumption was 479.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 65]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 591 SDslu, 378 SDs, 0 SdLazy, 1499 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred 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, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 338 PreInvPairs, 411 NumberOfFragments, 645 HoareAnnotationTreeSize, 338 FomulaSimplifications, 55748 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 46 FomulaSimplificationsInter, 14730 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 71230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...