/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:58:04,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:58:04,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:58:04,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:58:04,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:58:04,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:58:04,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:58:04,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:58:04,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:58:04,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:58:04,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:58:04,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:58:04,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:58:04,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:58:04,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:58:04,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:58:04,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:58:04,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:58:05,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:58:05,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:58:05,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:58:05,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:58:05,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:58:05,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:58:05,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:58:05,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:58:05,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:58:05,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:58:05,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:58:05,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:58:05,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:58:05,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:58:05,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:58:05,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:58:05,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:58:05,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:58:05,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:58:05,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:58:05,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:58:05,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:58:05,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:58:05,040 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 13:58:05,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:58:05,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:58:05,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:58:05,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:58:05,086 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:58:05,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:58:05,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:58:05,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:58:05,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:58:05,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:58:05,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:58:05,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:58:05,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:58:05,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:58:05,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:58:05,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:58:05,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:58:05,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:58:05,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:58:05,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:58:05,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:58:05,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:58:05,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:58:05,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:58:05,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:58:05,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:58:05,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:58:05,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:58:05,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:58:05,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true; [2020-08-21 13:58:05,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:58:05,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:58:05,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:58:05,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:58:05,442 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:58:05,442 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-08-21 13:58:05,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8868e74ad/130760f353f44df88b77755079b71b1b/FLAG620c3275b [2020-08-21 13:58:05,997 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:58:05,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-08-21 13:58:06,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8868e74ad/130760f353f44df88b77755079b71b1b/FLAG620c3275b [2020-08-21 13:58:06,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8868e74ad/130760f353f44df88b77755079b71b1b [2020-08-21 13:58:06,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:58:06,361 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:58:06,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:58:06,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:58:06,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:58:06,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:58:06" (1/1) ... [2020-08-21 13:58:06,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:06, skipping insertion in model container [2020-08-21 13:58:06,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:58:06" (1/1) ... [2020-08-21 13:58:06,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:58:06,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:58:06,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:58:06,894 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:58:07,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:58:07,071 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:58:07,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07 WrapperNode [2020-08-21 13:58:07,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:58:07,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:58:07,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:58:07,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:58:07,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... [2020-08-21 13:58:07,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... [2020-08-21 13:58:07,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... [2020-08-21 13:58:07,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... [2020-08-21 13:58:07,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... [2020-08-21 13:58:07,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... [2020-08-21 13:58:07,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... [2020-08-21 13:58:07,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:58:07,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:58:07,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:58:07,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:58:07,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:58:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:58:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:58:07,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:58:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:58:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:58:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:58:07,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:58:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:58:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:58:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:58:07,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:58:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:58:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:58:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:58:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:58:07,230 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:58:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:58:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:58:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:58:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:58:07,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:58:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:58:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 13:58:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:58:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:58:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:58:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:58:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:58:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:58:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 13:58:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:58:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:58:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:58:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:58:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:58:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:58:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:58:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:58:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:58:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:58:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:58:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:58:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:58:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:58:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:58:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:58:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:58:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:58:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:58:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:58:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:58:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:58:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:58:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:58:07,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:58:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:58:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:58:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:58:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:58:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:58:07,240 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:58:07,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:58:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:58:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:58:07,242 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:58:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 13:58:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:58:07,243 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:58:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:58:07,244 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:58:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:58:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:58:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:58:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:58:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:58:07,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:58:08,234 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:58:08,234 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:58:08,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:58:08 BoogieIcfgContainer [2020-08-21 13:58:08,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:58:08,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:58:08,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:58:08,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:58:08,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:58:06" (1/3) ... [2020-08-21 13:58:08,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a845e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:58:08, skipping insertion in model container [2020-08-21 13:58:08,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:58:07" (2/3) ... [2020-08-21 13:58:08,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a845e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:58:08, skipping insertion in model container [2020-08-21 13:58:08,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:58:08" (3/3) ... [2020-08-21 13:58:08,253 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-08-21 13:58:08,263 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:58:08,273 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:58:08,288 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:58:08,313 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:58:08,314 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:58:08,314 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:58:08,314 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:58:08,314 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:58:08,314 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:58:08,315 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:58:08,315 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:58:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-08-21 13:58:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 13:58:08,343 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:58:08,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:58:08,345 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:58:08,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:58:08,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1645653850, now seen corresponding path program 1 times [2020-08-21 13:58:08,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:58:08,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084021207] [2020-08-21 13:58:08,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:58:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,016 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:58:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:58:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:58:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:58:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:58:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:58:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 13:58:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 13:58:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:58:09,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084021207] [2020-08-21 13:58:09,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:58:09,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:58:09,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703242137] [2020-08-21 13:58:09,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 13:58:09,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:58:09,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 13:58:09,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:58:09,138 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2020-08-21 13:58:10,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:58:10,102 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-08-21 13:58:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 13:58:10,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 13:58:10,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:58:10,121 INFO L225 Difference]: With dead ends: 219 [2020-08-21 13:58:10,121 INFO L226 Difference]: Without dead ends: 120 [2020-08-21 13:58:10,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 13:58:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-08-21 13:58:10,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-08-21 13:58:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-21 13:58:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-08-21 13:58:10,212 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-08-21 13:58:10,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:58:10,212 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-08-21 13:58:10,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 13:58:10,213 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-08-21 13:58:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 13:58:10,216 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:58:10,216 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:58:10,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:58:10,217 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:58:10,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:58:10,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1821384666, now seen corresponding path program 1 times [2020-08-21 13:58:10,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:58:10,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973621465] [2020-08-21 13:58:10,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:58:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,571 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:58:10,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:58:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:58:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:58:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:58:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:58:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 13:58:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:58:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:58:10,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973621465] [2020-08-21 13:58:10,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:58:10,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:58:10,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624333038] [2020-08-21 13:58:10,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:58:10,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:58:10,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:58:10,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:58:10,617 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-08-21 13:58:11,042 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:58:11,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:58:11,551 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-08-21 13:58:11,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:58:11,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 13:58:11,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:58:11,554 INFO L225 Difference]: With dead ends: 143 [2020-08-21 13:58:11,556 INFO L226 Difference]: Without dead ends: 104 [2020-08-21 13:58:11,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:58:11,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-08-21 13:58:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-08-21 13:58:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-08-21 13:58:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-08-21 13:58:11,629 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-08-21 13:58:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:58:11,629 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-08-21 13:58:11,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:58:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-08-21 13:58:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 13:58:11,631 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:58:11,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:58:11,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:58:11,632 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:58:11,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:58:11,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1519246168, now seen corresponding path program 1 times [2020-08-21 13:58:11,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:58:11,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087550212] [2020-08-21 13:58:11,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:58:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:11,972 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:58:11,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:58:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:12,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:58:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:58:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:12,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:58:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:12,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:58:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:58:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:12,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:58:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:58:12,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087550212] [2020-08-21 13:58:12,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:58:12,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 13:58:12,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83597739] [2020-08-21 13:58:12,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:58:12,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:58:12,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:58:12,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:58:12,079 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 8 states. [2020-08-21 13:58:12,475 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:58:12,784 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:13,015 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:13,242 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:13,932 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:58:14,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:58:14,869 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2020-08-21 13:58:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 13:58:14,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 13:58:14,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:58:14,877 INFO L225 Difference]: With dead ends: 287 [2020-08-21 13:58:14,877 INFO L226 Difference]: Without dead ends: 230 [2020-08-21 13:58:14,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 13:58:14,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-21 13:58:14,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2020-08-21 13:58:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-08-21 13:58:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2020-08-21 13:58:14,967 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2020-08-21 13:58:14,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:58:14,967 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2020-08-21 13:58:14,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:58:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2020-08-21 13:58:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 13:58:14,970 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:58:14,970 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] [2020-08-21 13:58:14,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:58:14,971 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:58:14,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:58:14,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1651463691, now seen corresponding path program 1 times [2020-08-21 13:58:14,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:58:14,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024425134] [2020-08-21 13:58:14,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:58:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,289 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:58:15,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:58:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:58:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:58:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:58:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:58:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-21 13:58:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-21 13:58:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-21 13:58:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:58:15,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024425134] [2020-08-21 13:58:15,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:58:15,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 13:58:15,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242337163] [2020-08-21 13:58:15,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 13:58:15,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:58:15,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 13:58:15,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 13:58:15,417 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 11 states. [2020-08-21 13:58:15,871 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:58:16,176 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:16,442 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:16,694 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:17,196 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:58:17,815 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:18,144 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:58:18,386 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:58:18,609 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:58:18,829 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:58:19,091 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:58:19,364 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:58:19,600 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 13:58:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:58:20,113 INFO L93 Difference]: Finished difference Result 594 states and 779 transitions. [2020-08-21 13:58:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 13:58:20,115 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-08-21 13:58:20,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:58:20,121 INFO L225 Difference]: With dead ends: 594 [2020-08-21 13:58:20,121 INFO L226 Difference]: Without dead ends: 450 [2020-08-21 13:58:20,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-08-21 13:58:20,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-08-21 13:58:20,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 422. [2020-08-21 13:58:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-08-21 13:58:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 520 transitions. [2020-08-21 13:58:20,210 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 520 transitions. Word has length 54 [2020-08-21 13:58:20,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:58:20,211 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 520 transitions. [2020-08-21 13:58:20,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 13:58:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 520 transitions. [2020-08-21 13:58:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-21 13:58:20,214 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:58:20,215 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] [2020-08-21 13:58:20,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:58:20,215 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:58:20,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:58:20,215 INFO L82 PathProgramCache]: Analyzing trace with hash 244560101, now seen corresponding path program 1 times [2020-08-21 13:58:20,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:58:20,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414068393] [2020-08-21 13:58:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:58:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,526 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:58:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:58:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:58:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:58:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:58:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:58:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 13:58:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 13:58:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 13:58:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 13:58:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:58:20,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414068393] [2020-08-21 13:58:20,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:58:20,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 13:58:20,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819066026] [2020-08-21 13:58:20,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:58:20,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:58:20,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:58:20,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:58:20,625 INFO L87 Difference]: Start difference. First operand 422 states and 520 transitions. Second operand 5 states. [2020-08-21 13:58:20,915 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:58:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:58:21,416 INFO L93 Difference]: Finished difference Result 736 states and 931 transitions. [2020-08-21 13:58:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 13:58:21,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-08-21 13:58:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:58:21,420 INFO L225 Difference]: With dead ends: 736 [2020-08-21 13:58:21,420 INFO L226 Difference]: Without dead ends: 373 [2020-08-21 13:58:21,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:58:21,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-08-21 13:58:21,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 360. [2020-08-21 13:58:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-08-21 13:58:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 419 transitions. [2020-08-21 13:58:21,491 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 419 transitions. Word has length 58 [2020-08-21 13:58:21,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:58:21,491 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 419 transitions. [2020-08-21 13:58:21,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:58:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 419 transitions. [2020-08-21 13:58:21,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-21 13:58:21,494 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:58:21,495 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] [2020-08-21 13:58:21,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:58:21,495 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:58:21,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:58:21,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1723103606, now seen corresponding path program 1 times [2020-08-21 13:58:21,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:58:21,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307783458] [2020-08-21 13:58:21,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:58:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,804 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:58:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:58:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:58:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:58:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:58:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:58:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 13:58:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 13:58:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 13:58:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 13:58:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 13:58:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 13:58:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-21 13:58:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-21 13:58:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-21 13:58:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:58:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 13:58:21,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307783458] [2020-08-21 13:58:21,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:58:21,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 13:58:21,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302204414] [2020-08-21 13:58:21,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:58:21,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:58:21,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:58:21,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:58:21,963 INFO L87 Difference]: Start difference. First operand 360 states and 419 transitions. Second operand 8 states. [2020-08-21 13:58:22,548 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 13:58:23,064 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 13:58:23,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:58:23,558 INFO L93 Difference]: Finished difference Result 480 states and 570 transitions. [2020-08-21 13:58:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:58:23,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-08-21 13:58:23,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:58:23,560 INFO L225 Difference]: With dead ends: 480 [2020-08-21 13:58:23,560 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:58:23,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-08-21 13:58:23,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:58:23,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:58:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:58:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:58:23,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-08-21 13:58:23,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:58:23,563 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:58:23,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:58:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:58:23,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:58:23,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:58:23,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:58:26,676 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:58:27,174 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 16 [2020-08-21 13:58:27,509 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:58:27,859 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:58:28,345 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:58:28,494 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-21 13:58:28,841 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:58:29,072 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 13:58:29,425 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 13:58:29,669 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-21 13:58:30,304 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-08-21 13:58:30,996 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-21 13:58:31,211 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-21 13:58:31,719 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 13:58:32,325 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-21 13:58:32,845 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 20 [2020-08-21 13:58:33,198 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 13:58:33,350 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-21 13:58:33,791 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-08-21 13:58:33,859 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 13:58:33,859 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-08-21 13:58:33,860 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-08-21 13:58:33,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-08-21 13:58:33,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-08-21 13:58:33,860 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-08-21 13:58:33,860 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-08-21 13:58:33,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-08-21 13:58:33,860 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-08-21 13:58:33,861 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 436 442) the Hoare annotation is: true [2020-08-21 13:58:33,861 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 436 442) no Hoare annotation was computed. [2020-08-21 13:58:33,862 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 443 451) no Hoare annotation was computed. [2020-08-21 13:58:33,862 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 443 451) the Hoare annotation is: true [2020-08-21 13:58:33,862 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 443 451) no Hoare annotation was computed. [2020-08-21 13:58:33,862 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 736 760) the Hoare annotation is: true [2020-08-21 13:58:33,862 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 736 760) no Hoare annotation was computed. [2020-08-21 13:58:33,862 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-21 13:58:33,862 INFO L268 CegarLoopResult]: For program point L748(lines 748 754) no Hoare annotation was computed. [2020-08-21 13:58:33,863 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-21 13:58:33,863 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-08-21 13:58:33,863 INFO L268 CegarLoopResult]: For program point L744(lines 744 757) no Hoare annotation was computed. [2020-08-21 13:58:33,863 INFO L268 CegarLoopResult]: For program point L744-1(lines 736 760) no Hoare annotation was computed. [2020-08-21 13:58:33,863 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-08-21 13:58:33,863 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-21 13:58:33,863 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 834 856) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:58:33,864 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 834 856) no Hoare annotation was computed. [2020-08-21 13:58:33,864 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~5 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:58:33,864 INFO L264 CegarLoopResult]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~5 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 13:58:33,864 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 834 856) no Hoare annotation was computed. [2020-08-21 13:58:33,864 INFO L268 CegarLoopResult]: For program point L844(lines 844 851) no Hoare annotation was computed. [2020-08-21 13:58:33,864 INFO L268 CegarLoopResult]: For program point L844-1(lines 844 851) no Hoare annotation was computed. [2020-08-21 13:58:33,864 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-08-21 13:58:33,864 INFO L264 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:58:33,865 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:58:33,865 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:58:33,865 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-08-21 13:58:33,865 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-08-21 13:58:33,865 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-08-21 13:58:33,865 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-08-21 13:58:33,865 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-21 13:58:33,866 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-08-21 13:58:33,867 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-08-21 13:58:33,867 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-08-21 13:58:33,867 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 639 653) no Hoare annotation was computed. [2020-08-21 13:58:33,867 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 639 653) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-21 13:58:33,867 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-21 13:58:33,867 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 639 653) no Hoare annotation was computed. [2020-08-21 13:58:33,867 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 594 602) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 594 602) the Hoare annotation is: true [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 594 602) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point L610-2(lines 610 618) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point L633(line 633) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point L633-1(line 633) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 603 638) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point L622(lines 622 630) no Hoare annotation was computed. [2020-08-21 13:58:33,868 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2020-08-21 13:58:33,869 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 603 638) no Hoare annotation was computed. [2020-08-21 13:58:33,869 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 603 638) no Hoare annotation was computed. [2020-08-21 13:58:33,869 INFO L268 CegarLoopResult]: For program point L610(lines 610 618) no Hoare annotation was computed. [2020-08-21 13:58:33,869 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 429 435) no Hoare annotation was computed. [2020-08-21 13:58:33,869 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 429 435) the Hoare annotation is: true [2020-08-21 13:58:33,869 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-08-21 13:58:33,869 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-08-21 13:58:33,869 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-08-21 13:58:33,870 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-08-21 13:58:33,870 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-08-21 13:58:33,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:58:33,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:58:33,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:58:33,870 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-08-21 13:58:33,870 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 824 833) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 824 833) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 824 833) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 583 593) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 583 593) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 583 593) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 575 582) the Hoare annotation is: true [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 575 582) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 575 582) no Hoare annotation was computed. [2020-08-21 13:58:33,871 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 560 566) no Hoare annotation was computed. [2020-08-21 13:58:33,872 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 560 566) the Hoare annotation is: true [2020-08-21 13:58:33,872 INFO L264 CegarLoopResult]: At program point testENTRY(lines 458 523) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:58:33,872 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 13:58:33,872 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-08-21 13:58:33,872 INFO L264 CegarLoopResult]: At program point L504-1(lines 498 511) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 13:58:33,872 INFO L268 CegarLoopResult]: For program point testFINAL(lines 458 523) no Hoare annotation was computed. [2020-08-21 13:58:33,873 INFO L268 CegarLoopResult]: For program point L469(lines 468 515) no Hoare annotation was computed. [2020-08-21 13:58:33,873 INFO L268 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2020-08-21 13:58:33,873 INFO L264 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 13:58:33,873 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-08-21 13:58:33,873 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-08-21 13:58:33,873 INFO L264 CegarLoopResult]: At program point L513(lines 468 515) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 13:58:33,874 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-21 13:58:33,874 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-08-21 13:58:33,874 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 484) no Hoare annotation was computed. [2020-08-21 13:58:33,874 INFO L268 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-08-21 13:58:33,874 INFO L264 CegarLoopResult]: At program point L516(lines 467 517) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:58:33,874 INFO L268 CegarLoopResult]: For program point testEXIT(lines 458 523) no Hoare annotation was computed. [2020-08-21 13:58:33,874 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-08-21 13:58:33,874 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 703 725) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point L711(lines 711 719) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 703 725) no Hoare annotation was computed. [2020-08-21 13:58:33,875 INFO L268 CegarLoopResult]: For program point L711-2(lines 711 719) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 703 725) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-08-21 13:58:33,876 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-08-21 13:58:33,877 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-08-21 13:58:33,878 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 419 428) no Hoare annotation was computed. [2020-08-21 13:58:33,878 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 419 428) no Hoare annotation was computed. [2020-08-21 13:58:33,878 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 419 428) no Hoare annotation was computed. [2020-08-21 13:58:33,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:58:33,878 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#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~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:58:33,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 567 574) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 567 574) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 567 574) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 726 734) the Hoare annotation is: true [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 726 734) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 726 734) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:58:33,879 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:58:33,880 INFO L268 CegarLoopResult]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2020-08-21 13:58:33,880 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 682 693) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-21 13:58:33,880 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 682 693) no Hoare annotation was computed. [2020-08-21 13:58:33,880 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-21 13:58:33,880 INFO L268 CegarLoopResult]: For program point L540(lines 539 558) no Hoare annotation was computed. [2020-08-21 13:58:33,880 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 536 559) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 13:58:33,881 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 536 559) no Hoare annotation was computed. [2020-08-21 13:58:33,881 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 536 559) no Hoare annotation was computed. [2020-08-21 13:58:33,881 INFO L264 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1))) [2020-08-21 13:58:33,881 INFO L264 CegarLoopResult]: At program point L547(lines 547 553) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 13:58:33,881 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-08-21 13:58:33,881 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-08-21 13:58:33,881 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-08-21 13:58:33,882 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-08-21 13:58:33,882 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-08-21 13:58:33,882 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-21 13:58:33,882 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-08-21 13:58:33,882 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-08-21 13:58:33,882 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-21 13:58:33,882 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-08-21 13:58:33,882 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 694 702) no Hoare annotation was computed. [2020-08-21 13:58:33,882 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 694 702) no Hoare annotation was computed. [2020-08-21 13:58:33,883 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 694 702) no Hoare annotation was computed. [2020-08-21 13:58:33,883 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 658 669) the Hoare annotation is: true [2020-08-21 13:58:33,883 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 658 669) no Hoare annotation was computed. [2020-08-21 13:58:33,883 INFO L268 CegarLoopResult]: For program point L662-1(lines 658 669) no Hoare annotation was computed. [2020-08-21 13:58:33,883 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-08-21 13:58:33,883 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-08-21 13:58:33,883 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:58:33,883 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 13:58:33,884 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:58:33,884 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:58:33,884 INFO L268 CegarLoopResult]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2020-08-21 13:58:33,884 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 670 681) no Hoare annotation was computed. [2020-08-21 13:58:33,884 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 670 681) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 13:58:33,884 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 13:58:33,884 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 13:58:33,885 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 13:58:33,885 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 13:58:33,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:58:33 BoogieIcfgContainer [2020-08-21 13:58:33,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:58:33,905 INFO L168 Benchmark]: Toolchain (without parser) took 27544.35 ms. Allocated memory was 140.0 MB in the beginning and 631.8 MB in the end (delta: 491.8 MB). Free memory was 102.1 MB in the beginning and 211.3 MB in the end (delta: -109.1 MB). Peak memory consumption was 487.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:58:33,906 INFO L168 Benchmark]: CDTParser took 0.21 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:58:33,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.45 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 172.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-08-21 13:58:33,907 INFO L168 Benchmark]: Boogie Preprocessor took 88.36 ms. Allocated memory is still 203.4 MB. Free memory was 172.6 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 13:58:33,908 INFO L168 Benchmark]: RCFGBuilder took 1082.11 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 201.6 MB in the end (delta: -33.1 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:58:33,909 INFO L168 Benchmark]: TraceAbstraction took 25657.55 ms. Allocated memory was 236.5 MB in the beginning and 631.8 MB in the end (delta: 395.3 MB). Free memory was 200.2 MB in the beginning and 211.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 489.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:58:33,913 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.45 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 172.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.36 ms. Allocated memory is still 203.4 MB. Free memory was 172.6 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1082.11 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 201.6 MB in the end (delta: -33.1 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25657.55 ms. Allocated memory was 236.5 MB in the beginning and 631.8 MB in the end (delta: 395.3 MB). Free memory was 200.2 MB in the beginning and 211.3 MB in the end (delta: -11.0 MB). Peak memory consumption was 489.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 468 SDtfs, 881 SDslu, 465 SDs, 0 SdLazy, 1893 SolverSat, 534 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 118 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 156 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 420 PreInvPairs, 469 NumberOfFragments, 848 HoareAnnotationTreeSize, 420 FomulaSimplifications, 47087 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 44 FomulaSimplificationsInter, 16401 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 100417 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...