/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=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:57:24,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:57:24,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:57:24,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:57:24,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:57:24,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:57:24,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:57:24,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:57:24,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:57:24,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:57:24,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:57:24,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:57:24,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:57:24,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:57:24,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:57:24,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:57:24,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:57:24,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:57:24,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:57:24,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:57:24,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:57:24,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:57:24,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:57:24,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:57:24,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:57:24,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:57:24,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:57:24,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:57:24,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:57:24,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:57:24,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:57:24,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:57:24,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:57:24,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:57:24,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:57:24,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:57:24,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:57:24,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:57:24,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:57:24,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:57:24,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:57:24,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 20:57:24,383 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:57:24,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:57:24,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:57:24,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:57:24,385 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:57:24,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:57:24,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:57:24,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:57:24,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:57:24,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:57:24,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:57:24,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:57:24,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:57:24,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:57:24,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:57:24,389 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:57:24,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:57:24,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:57:24,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:57:24,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:57:24,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:57:24,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:57:24,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:57:24,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:57:24,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:57:24,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:57:24,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:57:24,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:57:24,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:57:24,392 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=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 20:57:24,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:57:24,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:57:24,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:57:24,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:57:24,743 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:57:24,743 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-08-18 20:57:24,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13c0e449a/aad65fe8367847c9986a93c2d6493fca/FLAG0d8a4e2c7 [2020-08-18 20:57:25,371 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:57:25,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-08-18 20:57:25,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13c0e449a/aad65fe8367847c9986a93c2d6493fca/FLAG0d8a4e2c7 [2020-08-18 20:57:25,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13c0e449a/aad65fe8367847c9986a93c2d6493fca [2020-08-18 20:57:25,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:57:25,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:57:25,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:57:25,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:57:25,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:57:25,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:57:25" (1/1) ... [2020-08-18 20:57:25,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec48d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:25, skipping insertion in model container [2020-08-18 20:57:25,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:57:25" (1/1) ... [2020-08-18 20:57:25,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:57:25,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:57:26,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:57:26,142 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:57:26,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:57:26,284 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:57:26,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26 WrapperNode [2020-08-18 20:57:26,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:57:26,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:57:26,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:57:26,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:57:26,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... [2020-08-18 20:57:26,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... [2020-08-18 20:57:26,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... [2020-08-18 20:57:26,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... [2020-08-18 20:57:26,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... [2020-08-18 20:57:26,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... [2020-08-18 20:57:26,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... [2020-08-18 20:57:26,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:57:26,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:57:26,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:57:26,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:57:26,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:57:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:57:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:57:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:57:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:57:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:57:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:57:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:57:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:57:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:57:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:57:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:57:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:57:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:57:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:57:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:57:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:57:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:57:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:57:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:57:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:57:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:57:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:57:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 20:57:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:57:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:57:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:57:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:57:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:57:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:57:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 20:57:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:57:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:57:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:57:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:57:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:57:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:57:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:57:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:57:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:57:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:57:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:57:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:57:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:57:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:57:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:57:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:57:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:57:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:57:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:57:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:57:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:57:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:57:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:57:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:57:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:57:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:57:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:57:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:57:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:57:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:57:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:57:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:57:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:57:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:57:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:57:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:57:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:57:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:57:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:57:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:57:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:57:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:57:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:57:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:57:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:57:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 20:57:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:57:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 20:57:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:57:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:57:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:57:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:57:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:57:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:57:27,459 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:57:27,460 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:57:27,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:57:27 BoogieIcfgContainer [2020-08-18 20:57:27,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:57:27,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:57:27,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:57:27,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:57:27,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:57:25" (1/3) ... [2020-08-18 20:57:27,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cd91aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:57:27, skipping insertion in model container [2020-08-18 20:57:27,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:26" (2/3) ... [2020-08-18 20:57:27,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cd91aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:57:27, skipping insertion in model container [2020-08-18 20:57:27,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:57:27" (3/3) ... [2020-08-18 20:57:27,473 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2020-08-18 20:57:27,484 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:57:27,492 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:57:27,507 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:57:27,531 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:57:27,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:57:27,532 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:57:27,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:57:27,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:57:27,532 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:57:27,533 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:57:27,533 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:57:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-08-18 20:57:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 20:57:27,563 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:27,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:27,565 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:27,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:27,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1732377001, now seen corresponding path program 1 times [2020-08-18 20:57:27,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:27,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19951182] [2020-08-18 20:57:27,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,182 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 20:57:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:57:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:57:28,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19951182] [2020-08-18 20:57:28,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:28,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 20:57:28,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736639831] [2020-08-18 20:57:28,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 20:57:28,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:28,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 20:57:28,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:57:28,313 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 3 states. [2020-08-18 20:57:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:29,228 INFO L93 Difference]: Finished difference Result 243 states and 321 transitions. [2020-08-18 20:57:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 20:57:29,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 20:57:29,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:29,245 INFO L225 Difference]: With dead ends: 243 [2020-08-18 20:57:29,245 INFO L226 Difference]: Without dead ends: 132 [2020-08-18 20:57:29,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:57:29,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-08-18 20:57:29,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 102. [2020-08-18 20:57:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-18 20:57:29,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2020-08-18 20:57:29,335 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2020-08-18 20:57:29,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:29,335 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2020-08-18 20:57:29,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 20:57:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2020-08-18 20:57:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 20:57:29,339 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:29,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:29,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:57:29,340 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:29,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:29,340 INFO L82 PathProgramCache]: Analyzing trace with hash -649161626, now seen corresponding path program 1 times [2020-08-18 20:57:29,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:29,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429571629] [2020-08-18 20:57:29,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,688 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 20:57:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:57:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:57:29,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429571629] [2020-08-18 20:57:29,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:29,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:57:29,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785860996] [2020-08-18 20:57:29,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:57:29,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:29,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:57:29,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:57:29,736 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 4 states. [2020-08-18 20:57:30,137 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:30,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:30,745 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2020-08-18 20:57:30,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:57:30,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 20:57:30,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:30,752 INFO L225 Difference]: With dead ends: 176 [2020-08-18 20:57:30,752 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 20:57:30,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:57:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 20:57:30,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 20:57:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 20:57:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2020-08-18 20:57:30,805 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2020-08-18 20:57:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:30,807 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2020-08-18 20:57:30,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:57:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2020-08-18 20:57:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 20:57:30,816 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:30,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:30,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:57:30,817 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:30,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1083619530, now seen corresponding path program 1 times [2020-08-18 20:57:30,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:30,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650622287] [2020-08-18 20:57:30,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,158 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:31,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:57:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 20:57:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:57:31,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650622287] [2020-08-18 20:57:31,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:31,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:57:31,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545590675] [2020-08-18 20:57:31,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:57:31,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:31,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:57:31,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:57:31,250 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 8 states. [2020-08-18 20:57:31,588 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:31,902 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:32,135 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:32,359 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:33,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:33,161 INFO L93 Difference]: Finished difference Result 185 states and 226 transitions. [2020-08-18 20:57:33,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:57:33,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 20:57:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:33,167 INFO L225 Difference]: With dead ends: 185 [2020-08-18 20:57:33,167 INFO L226 Difference]: Without dead ends: 116 [2020-08-18 20:57:33,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:57:33,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-08-18 20:57:33,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 93. [2020-08-18 20:57:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-08-18 20:57:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2020-08-18 20:57:33,194 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2020-08-18 20:57:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:33,194 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2020-08-18 20:57:33,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:57:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2020-08-18 20:57:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 20:57:33,195 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:33,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:33,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:57:33,196 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:33,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:33,196 INFO L82 PathProgramCache]: Analyzing trace with hash 285215055, now seen corresponding path program 1 times [2020-08-18 20:57:33,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:33,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1386922273] [2020-08-18 20:57:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,472 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:33,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 20:57:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 20:57:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 20:57:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:57:33,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1386922273] [2020-08-18 20:57:33,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:33,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 20:57:33,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468636256] [2020-08-18 20:57:33,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 20:57:33,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:33,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 20:57:33,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:57:33,627 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 12 states. [2020-08-18 20:57:34,079 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:34,375 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:34,606 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:34,859 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:35,381 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:36,007 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:36,369 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:36,619 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:36,883 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:37,128 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:57:37,488 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:37,746 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:37,996 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:38,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:38,820 INFO L93 Difference]: Finished difference Result 352 states and 470 transitions. [2020-08-18 20:57:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 20:57:38,821 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-18 20:57:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:38,825 INFO L225 Difference]: With dead ends: 352 [2020-08-18 20:57:38,826 INFO L226 Difference]: Without dead ends: 283 [2020-08-18 20:57:38,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 20:57:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-08-18 20:57:38,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 218. [2020-08-18 20:57:38,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-08-18 20:57:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2020-08-18 20:57:38,889 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 59 [2020-08-18 20:57:38,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:38,889 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2020-08-18 20:57:38,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 20:57:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2020-08-18 20:57:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 20:57:38,891 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:38,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:38,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:57:38,891 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:38,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:38,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1313856779, now seen corresponding path program 1 times [2020-08-18 20:57:38,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:38,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268779242] [2020-08-18 20:57:38,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,160 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:39,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 20:57:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:57:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 20:57:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 20:57:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:57:39,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268779242] [2020-08-18 20:57:39,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:39,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 20:57:39,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441476727] [2020-08-18 20:57:39,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 20:57:39,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:39,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 20:57:39,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 20:57:39,282 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand 6 states. [2020-08-18 20:57:39,588 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:40,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:40,045 INFO L93 Difference]: Finished difference Result 357 states and 437 transitions. [2020-08-18 20:57:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:57:40,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-08-18 20:57:40,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:40,049 INFO L225 Difference]: With dead ends: 357 [2020-08-18 20:57:40,049 INFO L226 Difference]: Without dead ends: 163 [2020-08-18 20:57:40,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:57:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-18 20:57:40,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-18 20:57:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-18 20:57:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-18 20:57:40,091 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 63 [2020-08-18 20:57:40,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:40,092 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-18 20:57:40,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 20:57:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-18 20:57:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-18 20:57:40,093 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:40,094 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:40,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:57:40,094 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:40,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:40,095 INFO L82 PathProgramCache]: Analyzing trace with hash -670473657, now seen corresponding path program 1 times [2020-08-18 20:57:40,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:40,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608572453] [2020-08-18 20:57:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,451 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:40,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 20:57:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:57:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 20:57:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:57:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 20:57:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 20:57:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-18 20:57:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-18 20:57:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 20:57:40,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608572453] [2020-08-18 20:57:40,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:57:40,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 20:57:40,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110601066] [2020-08-18 20:57:40,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 20:57:40,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:40,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 20:57:40,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:57:40,597 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-18 20:57:41,238 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 20:57:41,755 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:42,263 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-18 20:57:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:57:42,263 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-18 20:57:42,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:42,264 INFO L225 Difference]: With dead ends: 203 [2020-08-18 20:57:42,264 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:57:42,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 20:57:42,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:57:42,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:57:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:57:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:57:42,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-18 20:57:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:42,266 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:57:42,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 20:57:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:57:42,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:57:42,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:57:42,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:57:44,703 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 20:57:45,107 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 20:57:45,460 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 20:57:45,584 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:45,959 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:46,536 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-18 20:57:46,654 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:47,327 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 20:57:47,722 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 20:57:48,188 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 20:57:48,724 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 20:57:49,267 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-18 20:57:49,436 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:49,803 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 20:57:50,166 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 20:57:50,533 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 20:57:50,895 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 20:57:51,026 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:51,623 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 20:57:52,194 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 20:57:52,250 INFO L268 CegarLoopResult]: For program point L225(lines 202 226) no Hoare annotation was computed. [2020-08-18 20:57:52,250 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 178 233) no Hoare annotation was computed. [2020-08-18 20:57:52,250 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 224) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 178 233) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 178 233) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point L286(lines 259 287) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point L279-1(line 279) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 234 293) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 234 293) no Hoare annotation was computed. [2020-08-18 20:57:52,251 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-08-18 20:57:52,252 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 234 293) no Hoare annotation was computed. [2020-08-18 20:57:52,252 INFO L268 CegarLoopResult]: For program point L266-1(lines 266 270) no Hoare annotation was computed. [2020-08-18 20:57:52,252 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 20:57:52,252 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 285) no Hoare annotation was computed. [2020-08-18 20:57:52,252 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 850 856) the Hoare annotation is: true [2020-08-18 20:57:52,252 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 850 856) no Hoare annotation was computed. [2020-08-18 20:57:52,252 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 857 865) no Hoare annotation was computed. [2020-08-18 20:57:52,253 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 857 865) the Hoare annotation is: true [2020-08-18 20:57:52,253 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 857 865) no Hoare annotation was computed. [2020-08-18 20:57:52,253 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 797 821) the Hoare annotation is: true [2020-08-18 20:57:52,253 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 797 821) no Hoare annotation was computed. [2020-08-18 20:57:52,253 INFO L264 CegarLoopResult]: At program point L811(line 811) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:52,253 INFO L268 CegarLoopResult]: For program point L809(lines 809 815) no Hoare annotation was computed. [2020-08-18 20:57:52,254 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:52,254 INFO L268 CegarLoopResult]: For program point L807-1(line 807) no Hoare annotation was computed. [2020-08-18 20:57:52,254 INFO L268 CegarLoopResult]: For program point L805(lines 805 818) no Hoare annotation was computed. [2020-08-18 20:57:52,254 INFO L268 CegarLoopResult]: For program point L805-1(lines 797 821) no Hoare annotation was computed. [2020-08-18 20:57:52,254 INFO L271 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: true [2020-08-18 20:57:52,254 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-08-18 20:57:52,254 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:52,255 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:52,255 INFO L264 CegarLoopResult]: At program point L576-1(line 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:52,255 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 570 592) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:52,255 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 570 592) no Hoare annotation was computed. [2020-08-18 20:57:52,255 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 570 592) no Hoare annotation was computed. [2020-08-18 20:57:52,256 INFO L264 CegarLoopResult]: At program point L582(line 582) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:57:52,256 INFO L264 CegarLoopResult]: At program point L582-1(line 582) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:57:52,256 INFO L268 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2020-08-18 20:57:52,256 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 587) no Hoare annotation was computed. [2020-08-18 20:57:52,256 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 20:57:52,256 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 525 548) no Hoare annotation was computed. [2020-08-18 20:57:52,256 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 525 548) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 525 548) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-18 20:57:52,257 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 20:57:52,258 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 20:57:52,258 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-18 20:57:52,258 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 20:57:52,258 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 20:57:52,258 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-18 20:57:52,258 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 20:57:52,258 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 750 758) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 750 758) the Hoare annotation is: true [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 750 758) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 759 794) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point L778(lines 778 786) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point L778-2(lines 778 786) no Hoare annotation was computed. [2020-08-18 20:57:52,259 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 759 794) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 759 794) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 843 849) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 843 849) the Hoare annotation is: true [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 132 177) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 132 177) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 132 177) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 445 490) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point L465(lines 465 472) no Hoare annotation was computed. [2020-08-18 20:57:52,260 INFO L268 CegarLoopResult]: For program point L459(lines 459 479) no Hoare annotation was computed. [2020-08-18 20:57:52,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 445 490) no Hoare annotation was computed. [2020-08-18 20:57:52,261 INFO L268 CegarLoopResult]: For program point L459-1(lines 459 479) no Hoare annotation was computed. [2020-08-18 20:57:52,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 445 490) no Hoare annotation was computed. [2020-08-18 20:57:52,261 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 557 566) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:52,261 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 557 566) no Hoare annotation was computed. [2020-08-18 20:57:52,261 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 557 566) no Hoare annotation was computed. [2020-08-18 20:57:52,261 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 739 749) the Hoare annotation is: true [2020-08-18 20:57:52,261 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 739 749) no Hoare annotation was computed. [2020-08-18 20:57:52,262 INFO L271 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: true [2020-08-18 20:57:52,262 INFO L268 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-08-18 20:57:52,262 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 739 749) no Hoare annotation was computed. [2020-08-18 20:57:52,262 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 731 738) the Hoare annotation is: true [2020-08-18 20:57:52,262 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 731 738) no Hoare annotation was computed. [2020-08-18 20:57:52,262 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 731 738) no Hoare annotation was computed. [2020-08-18 20:57:52,262 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:52,263 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-08-18 20:57:52,263 INFO L268 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2020-08-18 20:57:52,263 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 698 722) no Hoare annotation was computed. [2020-08-18 20:57:52,263 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 698 722) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 20:57:52,263 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 20:57:52,263 INFO L268 CegarLoopResult]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2020-08-18 20:57:52,264 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:52,264 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:52,264 INFO L268 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-08-18 20:57:52,264 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2020-08-18 20:57:52,264 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2020-08-18 20:57:52,264 INFO L268 CegarLoopResult]: For program point L640(lines 640 644) no Hoare annotation was computed. [2020-08-18 20:57:52,264 INFO L264 CegarLoopResult]: At program point testENTRY(lines 594 657) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:52,265 INFO L264 CegarLoopResult]: At program point L640-2(lines 634 645) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:57:52,265 INFO L268 CegarLoopResult]: For program point L605(lines 604 649) no Hoare annotation was computed. [2020-08-18 20:57:52,265 INFO L268 CegarLoopResult]: For program point L634(lines 634 645) no Hoare annotation was computed. [2020-08-18 20:57:52,265 INFO L268 CegarLoopResult]: For program point testFINAL(lines 594 657) no Hoare annotation was computed. [2020-08-18 20:57:52,265 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:57:52,265 INFO L268 CegarLoopResult]: For program point L624(lines 624 630) no Hoare annotation was computed. [2020-08-18 20:57:52,265 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2020-08-18 20:57:52,266 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:57:52,266 INFO L264 CegarLoopResult]: At program point L647(lines 604 649) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 20:57:52,266 INFO L268 CegarLoopResult]: For program point L614(lines 614 620) no Hoare annotation was computed. [2020-08-18 20:57:52,266 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2020-08-18 20:57:52,266 INFO L268 CegarLoopResult]: For program point L606(lines 606 610) no Hoare annotation was computed. [2020-08-18 20:57:52,266 INFO L264 CegarLoopResult]: At program point L650(lines 603 651) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:57:52,266 INFO L268 CegarLoopResult]: For program point testEXIT(lines 594 657) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 399 444) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 399 444) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 399 444) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-18 20:57:52,267 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point L384(lines 384 395) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 296 398) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-08-18 20:57:52,268 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 365) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point L366(lines 344 367) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 296 398) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point L325(lines 325 341) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point L385(lines 385 392) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point L346(lines 345 365) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point L377-1(line 377) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point L342(lines 342 383) no Hoare annotation was computed. [2020-08-18 20:57:52,269 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 296 398) no Hoare annotation was computed. [2020-08-18 20:57:52,270 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-18 20:57:52,270 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-18 20:57:52,270 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 833 842) no Hoare annotation was computed. [2020-08-18 20:57:52,270 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 833 842) no Hoare annotation was computed. [2020-08-18 20:57:52,270 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 833 842) no Hoare annotation was computed. [2020-08-18 20:57:52,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:52,271 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.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~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-18 20:57:52,271 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:52,271 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 723 730) no Hoare annotation was computed. [2020-08-18 20:57:52,271 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 723 730) no Hoare annotation was computed. [2020-08-18 20:57:52,271 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 723 730) no Hoare annotation was computed. [2020-08-18 20:57:52,271 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-08-18 20:57:52,271 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-18 20:57:52,271 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-18 20:57:52,272 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:52,272 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-18 20:57:52,272 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-18 20:57:52,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:52,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:57:52,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:52,272 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-18 20:57:52,272 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-18 20:57:52,272 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-18 20:57:52,273 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 20:57:52,273 INFO L268 CegarLoopResult]: For program point L670(lines 669 688) no Hoare annotation was computed. [2020-08-18 20:57:52,273 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 20:57:52,273 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2020-08-18 20:57:52,273 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 20:57:52,273 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 666 689) no Hoare annotation was computed. [2020-08-18 20:57:52,274 INFO L264 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 20:57:52,274 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2020-08-18 20:57:52,274 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2020-08-18 20:57:52,274 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-08-18 20:57:52,274 INFO L271 CegarLoopResult]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2020-08-18 20:57:52,274 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 20:57:52,274 INFO L271 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2020-08-18 20:57:52,274 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-08-18 20:57:52,275 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-08-18 20:57:52,275 INFO L271 CegarLoopResult]: At program point L519(lines 494 523) the Hoare annotation is: true [2020-08-18 20:57:52,275 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 20:57:52,275 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-18 20:57:52,275 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-18 20:57:52,275 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-18 20:57:52,275 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 549 555) no Hoare annotation was computed. [2020-08-18 20:57:52,275 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 549 555) the Hoare annotation is: true [2020-08-18 20:57:52,276 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:52,276 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 20:57:52,276 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:57:52,276 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:52,276 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-18 20:57:52,276 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-18 20:57:52,276 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:52,276 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 823 830) no Hoare annotation was computed. [2020-08-18 20:57:52,277 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2020-08-18 20:57:52,277 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 823 830) the Hoare annotation is: true [2020-08-18 20:57:52,277 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 823 830) no Hoare annotation was computed. [2020-08-18 20:57:52,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:57:52 BoogieIcfgContainer [2020-08-18 20:57:52,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:57:52,296 INFO L168 Benchmark]: Toolchain (without parser) took 26600.52 ms. Allocated memory was 146.3 MB in the beginning and 616.6 MB in the end (delta: 470.3 MB). Free memory was 101.6 MB in the beginning and 197.2 MB in the end (delta: -95.6 MB). Peak memory consumption was 491.7 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:52,297 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:57:52,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.22 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 169.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:52,298 INFO L168 Benchmark]: Boogie Preprocessor took 79.74 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:52,299 INFO L168 Benchmark]: RCFGBuilder took 1098.14 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 198.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:52,300 INFO L168 Benchmark]: TraceAbstraction took 24828.12 ms. Allocated memory was 233.8 MB in the beginning and 616.6 MB in the end (delta: 382.7 MB). Free memory was 198.9 MB in the beginning and 197.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 501.4 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:52,305 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 590.22 ms. Allocated memory was 146.3 MB in the beginning and 201.9 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 169.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.74 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.14 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.6 MB in the beginning and 198.9 MB in the end (delta: -33.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24828.12 ms. Allocated memory was 233.8 MB in the beginning and 616.6 MB in the end (delta: 382.7 MB). Free memory was 198.9 MB in the beginning and 197.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 501.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 479 SDtfs, 894 SDslu, 347 SDs, 0 SdLazy, 2146 SolverSat, 560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred 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, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 49 FomulaSimplificationsInter, 8834 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 109608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 24/31 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...