/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:08:11,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:08:11,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:08:11,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:08:11,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:08:11,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:08:11,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:08:11,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:08:11,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:08:11,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:08:11,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:08:11,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:08:11,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:08:11,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:08:11,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:08:11,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:08:11,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:08:11,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:08:11,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:08:12,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:08:12,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:08:12,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:08:12,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:08:12,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:08:12,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:08:12,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:08:12,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:08:12,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:08:12,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:08:12,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 10:08:12,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 10:08:12,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 10:08:12,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 10:08:12,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 10:08:12,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 10:08:12,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 10:08:12,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 10:08:12,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 10:08:12,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:08:12,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:08:12,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:08:12,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 10:08:12,052 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:08:12,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:08:12,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:08:12,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:08:12,055 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:08:12,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:08:12,055 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:08:12,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:08:12,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:08:12,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:08:12,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:08:12,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:08:12,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:08:12,059 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:08:12,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:08:12,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:08:12,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:08:12,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:08:12,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:08:12,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:08:12,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:08:12,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:08:12,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:08:12,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:08:12,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:08:12,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:08:12,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:08:12,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:08:12,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:08:12,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-21 10:08:12,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:08:12,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:08:12,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:08:12,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:08:12,591 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:08:12,592 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-09-21 10:08:12,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e25b507f/a7f9d0e819454e0c95c82ec542ef07e5/FLAG97edee27e [2020-09-21 10:08:13,282 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:08:13,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-09-21 10:08:13,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e25b507f/a7f9d0e819454e0c95c82ec542ef07e5/FLAG97edee27e [2020-09-21 10:08:13,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e25b507f/a7f9d0e819454e0c95c82ec542ef07e5 [2020-09-21 10:08:13,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:08:13,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:08:13,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:08:13,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:08:13,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:08:13,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:13" (1/1) ... [2020-09-21 10:08:13,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:13, skipping insertion in model container [2020-09-21 10:08:13,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:08:13" (1/1) ... [2020-09-21 10:08:13,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:08:13,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:08:14,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:08:14,138 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:08:14,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:08:14,333 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:08:14,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14 WrapperNode [2020-09-21 10:08:14,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:08:14,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:08:14,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:08:14,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:08:14,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... [2020-09-21 10:08:14,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... [2020-09-21 10:08:14,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... [2020-09-21 10:08:14,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... [2020-09-21 10:08:14,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... [2020-09-21 10:08:14,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... [2020-09-21 10:08:14,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... [2020-09-21 10:08:14,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:08:14,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:08:14,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:08:14,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:08:14,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:08:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:08:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:08:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 10:08:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 10:08:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 10:08:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 10:08:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 10:08:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 10:08:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 10:08:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 10:08:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 10:08:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 10:08:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:08:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 10:08:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 10:08:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 10:08:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 10:08:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 10:08:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 10:08:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 10:08:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 10:08:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 10:08:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 10:08:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 10:08:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 10:08:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 10:08:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 10:08:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 10:08:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 10:08:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 10:08:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 10:08:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 10:08:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 10:08:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 10:08:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:08:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:08:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 10:08:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 10:08:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 10:08:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 10:08:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 10:08:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 10:08:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:08:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 10:08:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 10:08:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 10:08:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 10:08:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 10:08:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 10:08:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 10:08:14,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 10:08:14,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 10:08:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 10:08:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 10:08:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 10:08:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 10:08:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:08:14,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 10:08:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:08:15,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:08:15,725 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 10:08:15,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:15 BoogieIcfgContainer [2020-09-21 10:08:15,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:08:15,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:08:15,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:08:15,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:08:15,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:08:13" (1/3) ... [2020-09-21 10:08:15,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2803f3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:08:15, skipping insertion in model container [2020-09-21 10:08:15,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:08:14" (2/3) ... [2020-09-21 10:08:15,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2803f3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:08:15, skipping insertion in model container [2020-09-21 10:08:15,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:08:15" (3/3) ... [2020-09-21 10:08:15,741 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-09-21 10:08:15,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:08:15,762 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:08:15,785 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:08:15,813 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:08:15,813 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:08:15,813 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:08:15,813 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:08:15,813 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:08:15,813 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:08:15,814 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:08:15,814 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:08:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-09-21 10:08:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 10:08:15,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:08:15,848 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] [2020-09-21 10:08:15,848 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:08:15,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:08:15,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1757322053, now seen corresponding path program 1 times [2020-09-21 10:08:15,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:08:15,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816544852] [2020-09-21 10:08:15,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:08:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,648 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:16,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:08:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:08:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:08:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:08:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:08:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 10:08:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 10:08:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:08:16,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816544852] [2020-09-21 10:08:16,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:08:16,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 10:08:16,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172438315] [2020-09-21 10:08:16,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 10:08:16,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:08:16,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 10:08:16,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 10:08:16,820 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-09-21 10:08:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:08:17,717 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-09-21 10:08:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 10:08:17,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 10:08:17,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:08:17,736 INFO L225 Difference]: With dead ends: 199 [2020-09-21 10:08:17,736 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 10:08:17,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 10:08:17,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 10:08:17,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 10:08:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 10:08:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-09-21 10:08:17,844 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-09-21 10:08:17,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:08:17,845 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-09-21 10:08:17,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 10:08:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-09-21 10:08:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 10:08:17,849 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:08:17,849 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] [2020-09-21 10:08:17,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:08:17,849 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:08:17,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:08:17,850 INFO L82 PathProgramCache]: Analyzing trace with hash -745095734, now seen corresponding path program 1 times [2020-09-21 10:08:17,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:08:17,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268246720] [2020-09-21 10:08:17,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:08:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,210 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:08:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:08:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:08:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:08:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:08:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 10:08:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 10:08:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:08:18,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268246720] [2020-09-21 10:08:18,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:08:18,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:08:18,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589505166] [2020-09-21 10:08:18,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 10:08:18,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:08:18,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 10:08:18,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:08:18,282 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-09-21 10:08:18,767 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:08:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:08:19,184 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-09-21 10:08:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:08:19,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 10:08:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:08:19,187 INFO L225 Difference]: With dead ends: 132 [2020-09-21 10:08:19,187 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 10:08:19,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:08:19,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 10:08:19,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 10:08:19,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 10:08:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-09-21 10:08:19,228 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-09-21 10:08:19,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:08:19,229 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-09-21 10:08:19,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 10:08:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-09-21 10:08:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 10:08:19,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:08:19,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:08:19,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:08:19,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:08:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:08:19,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1066187872, now seen corresponding path program 1 times [2020-09-21 10:08:19,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:08:19,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389770067] [2020-09-21 10:08:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:08:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,664 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:19,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:08:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:08:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:08:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:08:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:08:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:08:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 10:08:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:08:19,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389770067] [2020-09-21 10:08:19,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:08:19,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:08:19,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563255942] [2020-09-21 10:08:19,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 10:08:19,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:08:19,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 10:08:19,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:08:19,742 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states. [2020-09-21 10:08:20,048 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 10:08:20,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:08:20,604 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-09-21 10:08:20,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:08:20,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 10:08:20,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:08:20,607 INFO L225 Difference]: With dead ends: 141 [2020-09-21 10:08:20,607 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 10:08:20,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:08:20,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 10:08:20,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 10:08:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 10:08:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-09-21 10:08:20,635 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-09-21 10:08:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:08:20,635 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-09-21 10:08:20,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 10:08:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-09-21 10:08:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 10:08:20,637 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:08:20,637 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] [2020-09-21 10:08:20,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:08:20,638 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:08:20,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:08:20,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1773574869, now seen corresponding path program 1 times [2020-09-21 10:08:20,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:08:20,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857606411] [2020-09-21 10:08:20,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:08:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,075 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:21,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:08:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:08:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:08:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:08:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:08:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 10:08:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 10:08:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 10:08:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:08:21,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857606411] [2020-09-21 10:08:21,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:08:21,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 10:08:21,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125890171] [2020-09-21 10:08:21,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 10:08:21,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:08:21,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 10:08:21,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-21 10:08:21,204 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 11 states. [2020-09-21 10:08:21,753 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 10:08:22,128 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 10:08:22,444 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 10:08:22,792 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 10:08:23,438 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:08:24,052 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 10:08:24,380 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:08:24,690 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:08:24,980 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:08:25,297 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 10:08:25,635 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:08:25,968 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:08:26,282 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 10:08:26,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:08:26,829 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2020-09-21 10:08:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 10:08:26,830 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-09-21 10:08:26,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:08:26,834 INFO L225 Difference]: With dead ends: 217 [2020-09-21 10:08:26,834 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 10:08:26,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-09-21 10:08:26,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 10:08:26,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 153. [2020-09-21 10:08:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-09-21 10:08:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-09-21 10:08:26,890 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 54 [2020-09-21 10:08:26,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:08:26,891 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-09-21 10:08:26,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 10:08:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-09-21 10:08:26,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 10:08:26,893 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:08:26,893 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] [2020-09-21 10:08:26,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:08:26,894 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:08:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:08:26,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1393150715, now seen corresponding path program 1 times [2020-09-21 10:08:26,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:08:26,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623647102] [2020-09-21 10:08:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:08:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,197 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:27,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:08:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:08:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:08:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:08:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:08:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 10:08:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 10:08:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 10:08:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 10:08:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:08:27,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623647102] [2020-09-21 10:08:27,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:08:27,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:08:27,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663724316] [2020-09-21 10:08:27,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:08:27,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:08:27,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:08:27,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:08:27,304 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 5 states. [2020-09-21 10:08:27,692 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 10:08:28,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:08:28,368 INFO L93 Difference]: Finished difference Result 242 states and 296 transitions. [2020-09-21 10:08:28,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 10:08:28,369 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-09-21 10:08:28,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:08:28,372 INFO L225 Difference]: With dead ends: 242 [2020-09-21 10:08:28,372 INFO L226 Difference]: Without dead ends: 148 [2020-09-21 10:08:28,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:08:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-09-21 10:08:28,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2020-09-21 10:08:28,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-09-21 10:08:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 153 transitions. [2020-09-21 10:08:28,450 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 153 transitions. Word has length 58 [2020-09-21 10:08:28,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:08:28,454 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 153 transitions. [2020-09-21 10:08:28,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:08:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2020-09-21 10:08:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-21 10:08:28,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:08:28,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:08:28,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:08:28,464 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:08:28,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:08:28,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1464178856, now seen corresponding path program 1 times [2020-09-21 10:08:28,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:08:28,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608083388] [2020-09-21 10:08:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:08:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,837 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:28,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:08:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:08:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:08:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:08:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:08:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 10:08:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 10:08:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:08:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 10:08:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 10:08:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 10:08:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 10:08:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 10:08:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 10:08:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:08:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 10:08:28,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608083388] [2020-09-21 10:08:28,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:08:28,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 10:08:28,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816106001] [2020-09-21 10:08:28,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:08:28,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:08:28,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:08:28,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:08:28,989 INFO L87 Difference]: Start difference. First operand 136 states and 153 transitions. Second operand 8 states. [2020-09-21 10:08:29,757 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-09-21 10:08:30,413 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 10:08:30,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:08:30,901 INFO L93 Difference]: Finished difference Result 183 states and 214 transitions. [2020-09-21 10:08:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:08:30,902 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-09-21 10:08:30,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:08:30,903 INFO L225 Difference]: With dead ends: 183 [2020-09-21 10:08:30,903 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:08:30,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-09-21 10:08:30,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:08:30,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:08:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:08:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:08:30,906 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-09-21 10:08:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:08:30,906 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:08:30,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:08:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:08:30,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:08:30,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 10:08:30,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:08:31,239 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 121 [2020-09-21 10:08:31,565 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:31,899 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:32,234 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:32,557 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:32,872 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:33,174 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 121 [2020-09-21 10:08:33,489 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:33,805 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:34,250 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 119 [2020-09-21 10:08:34,394 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:34,706 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:35,020 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:35,180 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:08:35,492 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:35,652 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:08:35,968 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:36,320 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-09-21 10:08:36,634 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:36,793 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:08:37,103 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:37,417 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:37,576 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:08:37,894 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-09-21 10:08:38,206 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:38,517 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:39,019 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2020-09-21 10:08:39,520 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2020-09-21 10:08:39,843 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 10:08:40,163 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:40,467 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 10:08:40,778 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:40,956 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:08:41,267 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:41,429 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:08:41,741 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 10:08:42,029 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 121 [2020-09-21 10:08:42,529 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2020-09-21 10:08:43,027 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2020-09-21 10:08:43,350 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 10:08:43,874 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 10:08:44,359 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 10:08:44,951 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 10:08:45,426 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 10:08:45,958 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 10:08:46,415 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 10:08:46,733 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 10:08:47,532 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-09-21 10:08:47,725 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 10:08:47,828 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-09-21 10:08:48,382 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-09-21 10:08:49,168 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 21 [2020-09-21 10:08:49,360 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 10:08:49,842 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 20 [2020-09-21 10:08:50,046 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 1 [2020-09-21 10:08:50,694 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-09-21 10:08:51,499 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-09-21 10:08:51,683 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 10:08:51,883 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 10:08:52,573 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-09-21 10:08:52,583 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-09-21 10:08:52,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-09-21 10:08:52,584 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-09-21 10:08:52,584 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-09-21 10:08:52,584 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-09-21 10:08:52,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-09-21 10:08:52,584 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-09-21 10:08:52,584 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-09-21 10:08:52,585 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-09-21 10:08:52,586 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-09-21 10:08:52,586 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-09-21 10:08:52,586 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-09-21 10:08:52,586 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-09-21 10:08:52,586 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-09-21 10:08:52,586 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-09-21 10:08:52,586 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-09-21 10:08:52,587 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2020-09-21 10:08:52,587 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2020-09-21 10:08:52,587 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 10:08:52,587 INFO L268 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2020-09-21 10:08:52,587 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 10:08:52,588 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-09-21 10:08:52,588 INFO L268 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2020-09-21 10:08:52,588 INFO L268 CegarLoopResult]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2020-09-21 10:08:52,588 INFO L271 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: true [2020-09-21 10:08:52,588 INFO L268 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-09-21 10:08:52,588 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 10:08:52,588 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2020-09-21 10:08:52,589 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 10:08:52,589 INFO L264 CegarLoopResult]: At program point L176-1(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 10:08:52,589 INFO L268 CegarLoopResult]: For program point L174(lines 174 181) no Hoare annotation was computed. [2020-09-21 10:08:52,589 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2020-09-21 10:08:52,589 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2020-09-21 10:08:52,589 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 10:08:52,589 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 10:08:52,590 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 10:08:52,590 INFO L264 CegarLoopResult]: At program point L170-1(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 10:08:52,590 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-21 10:08:52,590 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 10:08:52,590 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-09-21 10:08:52,590 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 10:08:52,590 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-21 10:08:52,591 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point L284(lines 284 292) no Hoare annotation was computed. [2020-09-21 10:08:52,592 INFO L268 CegarLoopResult]: For program point L284-2(lines 284 292) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point L272(lines 272 280) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 265 300) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point L272-2(lines 272 280) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 265 300) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 265 300) no Hoare annotation was computed. [2020-09-21 10:08:52,593 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-09-21 10:08:52,594 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-09-21 10:08:52,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-09-21 10:08:52,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-09-21 10:08:52,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-09-21 10:08:52,594 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 10:08:52,594 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2020-09-21 10:08:52,594 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2020-09-21 10:08:52,594 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 245 255) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 245 255) no Hoare annotation was computed. [2020-09-21 10:08:52,595 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-21 10:08:52,596 INFO L268 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed. [2020-09-21 10:08:52,596 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 245 255) no Hoare annotation was computed. [2020-09-21 10:08:52,596 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 237 244) no Hoare annotation was computed. [2020-09-21 10:08:52,596 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 237 244) no Hoare annotation was computed. [2020-09-21 10:08:52,596 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 237 244) no Hoare annotation was computed. [2020-09-21 10:08:52,596 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2020-09-21 10:08:52,596 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2020-09-21 10:08:52,596 INFO L268 CegarLoopResult]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2020-09-21 10:08:52,597 INFO L264 CegarLoopResult]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 10:08:52,597 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-09-21 10:08:52,597 INFO L268 CegarLoopResult]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2020-09-21 10:08:52,597 INFO L264 CegarLoopResult]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 10:08:52,597 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-09-21 10:08:52,597 INFO L264 CegarLoopResult]: At program point L348-2(lines 342 353) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-09-21 10:08:52,597 INFO L268 CegarLoopResult]: For program point L313(lines 312 357) no Hoare annotation was computed. [2020-09-21 10:08:52,598 INFO L268 CegarLoopResult]: For program point L342(lines 342 353) no Hoare annotation was computed. [2020-09-21 10:08:52,598 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-09-21 10:08:52,598 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-09-21 10:08:52,598 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2020-09-21 10:08:52,598 INFO L264 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-09-21 10:08:52,598 INFO L264 CegarLoopResult]: At program point L355(lines 312 357) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)))) [2020-09-21 10:08:52,598 INFO L268 CegarLoopResult]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-09-21 10:08:52,599 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-09-21 10:08:52,600 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-09-21 10:08:52,600 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 415 437) no Hoare annotation was computed. [2020-09-21 10:08:52,600 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-09-21 10:08:52,600 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 415 437) no Hoare annotation was computed. [2020-09-21 10:08:52,600 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-09-21 10:08:52,600 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 415 437) no Hoare annotation was computed. [2020-09-21 10:08:52,600 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-09-21 10:08:52,601 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-09-21 10:08:52,602 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-09-21 10:08:52,602 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-09-21 10:08:52,602 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-09-21 10:08:52,602 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-09-21 10:08:52,602 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-09-21 10:08:52,602 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-09-21 10:08:52,602 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:08:52,603 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 10:08:52,603 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:08:52,603 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2020-09-21 10:08:52,603 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2020-09-21 10:08:52,603 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 229 236) no Hoare annotation was computed. [2020-09-21 10:08:52,603 INFO L268 CegarLoopResult]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2020-09-21 10:08:52,604 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2))) [2020-09-21 10:08:52,604 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2020-09-21 10:08:52,604 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2020-09-21 10:08:52,604 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2020-09-21 10:08:52,604 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2020-09-21 10:08:52,604 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:08:52,604 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 10:08:52,604 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:08:52,605 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-09-21 10:08:52,605 INFO L264 CegarLoopResult]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-09-21 10:08:52,605 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-09-21 10:08:52,605 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-09-21 10:08:52,605 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2020-09-21 10:08:52,605 INFO L268 CegarLoopResult]: For program point L202(lines 201 220) no Hoare annotation was computed. [2020-09-21 10:08:52,606 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2020-09-21 10:08:52,606 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-09-21 10:08:52,606 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-09-21 10:08:52,606 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-09-21 10:08:52,606 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-09-21 10:08:52,606 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-09-21 10:08:52,606 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-09-21 10:08:52,606 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-21 10:08:52,606 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-09-21 10:08:52,607 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-09-21 10:08:52,607 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 10:08:52,607 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 406 414) no Hoare annotation was computed. [2020-09-21 10:08:52,607 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 406 414) no Hoare annotation was computed. [2020-09-21 10:08:52,607 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 406 414) no Hoare annotation was computed. [2020-09-21 10:08:52,607 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2020-09-21 10:08:52,607 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2020-09-21 10:08:52,607 INFO L268 CegarLoopResult]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2020-09-21 10:08:52,608 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-09-21 10:08:52,608 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-09-21 10:08:52,608 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:08:52,608 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-09-21 10:08:52,608 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 10:08:52,608 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:08:52,608 INFO L268 CegarLoopResult]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2020-09-21 10:08:52,608 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2020-09-21 10:08:52,609 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2))) [2020-09-21 10:08:52,609 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 10:08:52,609 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 10:08:52,609 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 10:08:52,609 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 10:08:52,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:08:52 BoogieIcfgContainer [2020-09-21 10:08:52,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:08:52,631 INFO L168 Benchmark]: Toolchain (without parser) took 39050.99 ms. Allocated memory was 140.0 MB in the beginning and 575.7 MB in the end (delta: 435.7 MB). Free memory was 102.6 MB in the beginning and 418.2 MB in the end (delta: -315.6 MB). Peak memory consumption was 430.5 MB. Max. memory is 7.1 GB. [2020-09-21 10:08:52,631 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 10:08:52,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.61 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 102.0 MB in the beginning and 173.6 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-09-21 10:08:52,633 INFO L168 Benchmark]: Boogie Preprocessor took 137.08 ms. Allocated memory is still 202.9 MB. Free memory was 173.6 MB in the beginning and 170.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:08:52,633 INFO L168 Benchmark]: RCFGBuilder took 1259.41 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.5 MB in the beginning and 205.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-09-21 10:08:52,634 INFO L168 Benchmark]: TraceAbstraction took 36896.12 ms. Allocated memory was 235.9 MB in the beginning and 575.7 MB in the end (delta: 339.7 MB). Free memory was 205.5 MB in the beginning and 418.2 MB in the end (delta: -212.7 MB). Peak memory consumption was 437.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:08:52,639 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.61 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 102.0 MB in the beginning and 173.6 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.08 ms. Allocated memory is still 202.9 MB. Free memory was 173.6 MB in the beginning and 170.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1259.41 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.5 MB in the beginning and 205.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36896.12 ms. Allocated memory was 235.9 MB in the beginning and 575.7 MB in the end (delta: 339.7 MB). Free memory was 205.5 MB in the beginning and 418.2 MB in the end (delta: -212.7 MB). Peak memory consumption was 437.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) == 1) || !(1 <= systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(1 <= systemActive) || (\old(waterLevel) == waterLevel && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (2 <= waterLevel && splverifierCounter == 0)) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 413 SDtfs, 666 SDslu, 278 SDs, 0 SdLazy, 1255 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred 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, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 744 HoareAnnotationTreeSize, 188 FomulaSimplifications, 27955 FormulaSimplificationTreeSizeReduction, 12.4s HoareSimplificationTime, 40 FomulaSimplificationsInter, 8058 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 99467 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 19/26 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...