/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:28:06,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:28:06,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:28:06,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:28:06,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:28:06,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:28:06,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:28:06,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:28:06,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:28:06,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:28:06,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:28:06,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:28:06,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:28:06,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:28:06,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:28:06,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:28:06,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:28:06,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:28:06,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:28:06,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:28:06,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:28:06,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:28:06,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:28:06,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:28:06,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:28:06,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:28:06,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:28:06,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:28:06,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:28:06,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:28:06,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:28:06,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:28:06,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:28:06,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:28:06,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:28:06,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:28:06,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:28:06,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:28:06,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:28:06,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:28:06,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:28:06,312 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 [2020-10-29 11:28:06,344 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:28:06,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:28:06,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:28:06,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:28:06,346 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:28:06,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:28:06,347 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:28:06,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:28:06,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:28:06,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:28:06,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:28:06,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:28:06,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:28:06,349 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:28:06,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:28:06,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:28:06,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:28:06,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:28:06,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:28:06,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:28:06,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:28:06,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:28:06,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:28:06,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:28:06,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:28:06,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:28:06,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:28:06,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:28:06,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:28:06,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:28:06,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:28:06,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:28:06,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:28:06,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:28:06,756 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:28:06,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-10-29 11:28:06,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcbe565db/9656a018db2542ac80f53a024e158b1a/FLAGd1596e1f6 [2020-10-29 11:28:07,608 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:28:07,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product09.cil.c [2020-10-29 11:28:07,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcbe565db/9656a018db2542ac80f53a024e158b1a/FLAGd1596e1f6 [2020-10-29 11:28:07,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcbe565db/9656a018db2542ac80f53a024e158b1a [2020-10-29 11:28:07,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:28:07,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:28:07,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:28:07,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:28:07,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:28:07,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:28:07" (1/1) ... [2020-10-29 11:28:07,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af6b938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:07, skipping insertion in model container [2020-10-29 11:28:07,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:28:07" (1/1) ... [2020-10-29 11:28:07,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:28:08,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:28:08,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:28:08,365 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:28:08,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:28:08,483 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:28:08,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08 WrapperNode [2020-10-29 11:28:08,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:28:08,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:28:08,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:28:08,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:28:08,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (1/1) ... [2020-10-29 11:28:08,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (1/1) ... [2020-10-29 11:28:08,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (1/1) ... [2020-10-29 11:28:08,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (1/1) ... [2020-10-29 11:28:08,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (1/1) ... [2020-10-29 11:28:08,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (1/1) ... [2020-10-29 11:28:08,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (1/1) ... [2020-10-29 11:28:08,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:28:08,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:28:08,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:28:08,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:28:08,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (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 [2020-10-29 11:28:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:28:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:28:08,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:28:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:28:08,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:28:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:28:08,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:28:08,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:28:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:28:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:28:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:28:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-29 11:28:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:28:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:28:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:28:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:28:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:28:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:28:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:28:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:28:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:28:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:28:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:28:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:28:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:28:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:28:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:28:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:28:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:28:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:28:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:28:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:28:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-29 11:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:28:08,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:28:08,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:28:08,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:28:09,998 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:28:09,998 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:28:10,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:28:10 BoogieIcfgContainer [2020-10-29 11:28:10,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:28:10,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:28:10,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:28:10,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:28:10,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:28:07" (1/3) ... [2020-10-29 11:28:10,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63941c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:28:10, skipping insertion in model container [2020-10-29 11:28:10,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:28:08" (2/3) ... [2020-10-29 11:28:10,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63941c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:28:10, skipping insertion in model container [2020-10-29 11:28:10,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:28:10" (3/3) ... [2020-10-29 11:28:10,017 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-10-29 11:28:10,029 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:28:10,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:28:10,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:28:10,083 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:28:10,084 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:28:10,084 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:28:10,084 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:28:10,084 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:28:10,084 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:28:10,084 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:28:10,085 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:28:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-10-29 11:28:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:28:10,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:10,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:10,116 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:28:10,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:10,123 INFO L82 PathProgramCache]: Analyzing trace with hash 2030677023, now seen corresponding path program 1 times [2020-10-29 11:28:10,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:10,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376741518] [2020-10-29 11:28:10,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:10,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:10,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:10,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:12,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:13,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:15,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:15,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 11:28:15,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:28:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 11:28:15,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:15,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:28:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 11:28:15,890 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:15,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:16,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-29 11:28:16,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:28:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:16,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:16,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:16,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:16,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:16,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:16,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:16,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:16,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:16,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:16,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:16,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:28:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:16,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:28:16,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:16,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:28:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:16,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:16,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:16,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:16,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:16,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:28:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:16,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:16,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:28:16,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376741518] [2020-10-29 11:28:16,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:28:16,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 11:28:16,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558160166] [2020-10-29 11:28:16,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 11:28:16,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:16,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 11:28:16,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:28:16,189 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 5 states. [2020-10-29 11:28:16,719 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:17,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:17,617 INFO L93 Difference]: Finished difference Result 203 states and 273 transitions. [2020-10-29 11:28:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 11:28:17,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-29 11:28:17,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:17,632 INFO L225 Difference]: With dead ends: 203 [2020-10-29 11:28:17,632 INFO L226 Difference]: Without dead ends: 114 [2020-10-29 11:28:17,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:28:17,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-29 11:28:17,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2020-10-29 11:28:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 11:28:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2020-10-29 11:28:17,726 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 52 [2020-10-29 11:28:17,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:17,727 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2020-10-29 11:28:17,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 11:28:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2020-10-29 11:28:17,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 11:28:17,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:17,731 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] [2020-10-29 11:28:17,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:28:17,732 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:28:17,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:17,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1726384557, now seen corresponding path program 1 times [2020-10-29 11:28:17,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:17,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363205182] [2020-10-29 11:28:17,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:19,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:19,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:22,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:22,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-29 11:28:22,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:28:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 11:28:22,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:22,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:28:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:23,157 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:23,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:28:23,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:23,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:23,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:28:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:28:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:23,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:23,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:28:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:28:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:23,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:23,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:23,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:23,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:23,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:28:23,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363205182] [2020-10-29 11:28:23,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:28:23,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:28:23,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682902054] [2020-10-29 11:28:23,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:28:23,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:23,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:28:23,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:28:23,376 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 8 states. [2020-10-29 11:28:23,847 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:24,831 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:28:25,202 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:28:25,534 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:28:25,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:25,775 INFO L93 Difference]: Finished difference Result 161 states and 206 transitions. [2020-10-29 11:28:25,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:28:25,776 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-29 11:28:25,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:25,778 INFO L225 Difference]: With dead ends: 161 [2020-10-29 11:28:25,778 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:28:25,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:28:25,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:28:25,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:28:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:28:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:28:25,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-29 11:28:25,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:25,782 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:28:25,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:28:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:28:25,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:28:25,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:28:25,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:28:27,551 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:27,768 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:27,964 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:28,166 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-29 11:28:28,359 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-29 11:28:28,553 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-29 11:28:28,746 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-29 11:28:28,977 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-29 11:28:29,194 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:29,397 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:29,670 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:29,907 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:30,171 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-29 11:28:30,441 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-29 11:28:30,649 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-29 11:28:30,877 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:31,098 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-29 11:28:31,321 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-10-29 11:28:31,515 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-29 11:28:31,727 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-29 11:28:31,736 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:28:31,737 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:28:31,737 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:28:31,737 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:28:31,738 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-29 11:28:31,738 INFO L274 CegarLoopResult]: For program point L128-2(lines 128 149) no Hoare annotation was computed. [2020-10-29 11:28:31,738 INFO L274 CegarLoopResult]: For program point L150(lines 127 151) no Hoare annotation was computed. [2020-10-29 11:28:31,738 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 103 158) no Hoare annotation was computed. [2020-10-29 11:28:31,738 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 103 158) no Hoare annotation was computed. [2020-10-29 11:28:31,739 INFO L274 CegarLoopResult]: For program point L134(lines 134 138) no Hoare annotation was computed. [2020-10-29 11:28:31,739 INFO L274 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2020-10-29 11:28:31,739 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 103 158) no Hoare annotation was computed. [2020-10-29 11:28:31,739 INFO L274 CegarLoopResult]: For program point L191(lines 191 195) no Hoare annotation was computed. [2020-10-29 11:28:31,739 INFO L274 CegarLoopResult]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2020-10-29 11:28:31,739 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 11:28:31,740 INFO L274 CegarLoopResult]: For program point L185-2(lines 185 210) no Hoare annotation was computed. [2020-10-29 11:28:31,740 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 159 218) no Hoare annotation was computed. [2020-10-29 11:28:31,740 INFO L274 CegarLoopResult]: For program point L211(lines 184 212) no Hoare annotation was computed. [2020-10-29 11:28:31,740 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 159 218) no Hoare annotation was computed. [2020-10-29 11:28:31,740 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 11:28:31,740 INFO L274 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-10-29 11:28:31,740 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 159 218) no Hoare annotation was computed. [2020-10-29 11:28:31,741 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 857 863) the Hoare annotation is: true [2020-10-29 11:28:31,741 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 857 863) no Hoare annotation was computed. [2020-10-29 11:28:31,741 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 864 872) no Hoare annotation was computed. [2020-10-29 11:28:31,741 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 864 872) the Hoare annotation is: true [2020-10-29 11:28:31,741 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 864 872) no Hoare annotation was computed. [2020-10-29 11:28:31,741 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 734 756) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,741 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 734 756) no Hoare annotation was computed. [2020-10-29 11:28:31,741 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 734 756) no Hoare annotation was computed. [2020-10-29 11:28:31,742 INFO L270 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,742 INFO L270 CegarLoopResult]: At program point L746-1(line 746) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,742 INFO L274 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-10-29 11:28:31,742 INFO L274 CegarLoopResult]: For program point L744-1(lines 744 751) no Hoare annotation was computed. [2020-10-29 11:28:31,742 INFO L274 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-10-29 11:28:31,742 INFO L270 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,743 INFO L270 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,743 INFO L270 CegarLoopResult]: At program point L740-1(line 740) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,743 INFO L274 CegarLoopResult]: For program point L705(line 705) no Hoare annotation was computed. [2020-10-29 11:28:31,743 INFO L274 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-10-29 11:28:31,743 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 689 712) no Hoare annotation was computed. [2020-10-29 11:28:31,743 INFO L274 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-10-29 11:28:31,743 INFO L274 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-10-29 11:28:31,743 INFO L274 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-10-29 11:28:31,743 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 689 712) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 689 712) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L707(line 707) no Hoare annotation was computed. [2020-10-29 11:28:31,744 INFO L274 CegarLoopResult]: For program point L706(line 706) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 528 535) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 528 535) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 528 535) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 573 581) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 573 581) the Hoare annotation is: true [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 573 581) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point L601(lines 601 609) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point L601-2(lines 601 609) no Hoare annotation was computed. [2020-10-29 11:28:31,745 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 582 617) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 582 617) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 582 617) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 850 856) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 850 856) the Hoare annotation is: true [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 57 102) no Hoare annotation was computed. [2020-10-29 11:28:31,746 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 57 102) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 57 102) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point L384(lines 384 404) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point L384-1(lines 384 404) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 370 415) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point L401(lines 401 402) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 394 395) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 401 402) no Hoare annotation was computed. [2020-10-29 11:28:31,747 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 370 415) no Hoare annotation was computed. [2020-10-29 11:28:31,748 INFO L274 CegarLoopResult]: For program point L394(lines 394 395) no Hoare annotation was computed. [2020-10-29 11:28:31,748 INFO L274 CegarLoopResult]: For program point L390(lines 390 397) no Hoare annotation was computed. [2020-10-29 11:28:31,748 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 370 415) no Hoare annotation was computed. [2020-10-29 11:28:31,748 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 720 730) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,748 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 720 730) no Hoare annotation was computed. [2020-10-29 11:28:31,748 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 720 730) no Hoare annotation was computed. [2020-10-29 11:28:31,748 INFO L277 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: true [2020-10-29 11:28:31,748 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 562 572) no Hoare annotation was computed. [2020-10-29 11:28:31,748 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 562 572) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 562 572) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L274 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 554 561) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 554 561) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 554 561) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 521 527) no Hoare annotation was computed. [2020-10-29 11:28:31,749 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 521 527) the Hoare annotation is: true [2020-10-29 11:28:31,749 INFO L270 CegarLoopResult]: At program point testENTRY(lines 421 484) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,750 INFO L277 CegarLoopResult]: At program point L477(lines 430 478) the Hoare annotation is: true [2020-10-29 11:28:31,750 INFO L274 CegarLoopResult]: For program point testFINAL(lines 421 484) no Hoare annotation was computed. [2020-10-29 11:28:31,750 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-29 11:28:31,750 INFO L277 CegarLoopResult]: At program point L467-2(lines 461 472) the Hoare annotation is: true [2020-10-29 11:28:31,750 INFO L274 CegarLoopResult]: For program point L432(lines 431 476) no Hoare annotation was computed. [2020-10-29 11:28:31,750 INFO L274 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-10-29 11:28:31,750 INFO L277 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-10-29 11:28:31,750 INFO L274 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-10-29 11:28:31,750 INFO L274 CegarLoopResult]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2020-10-29 11:28:31,750 INFO L277 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-10-29 11:28:31,751 INFO L277 CegarLoopResult]: At program point L474(lines 431 476) the Hoare annotation is: true [2020-10-29 11:28:31,751 INFO L274 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-10-29 11:28:31,751 INFO L274 CegarLoopResult]: For program point L441-1(lines 441 447) no Hoare annotation was computed. [2020-10-29 11:28:31,751 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-10-29 11:28:31,751 INFO L274 CegarLoopResult]: For program point testEXIT(lines 421 484) no Hoare annotation was computed. [2020-10-29 11:28:31,751 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 348 349) no Hoare annotation was computed. [2020-10-29 11:28:31,751 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 355 356) no Hoare annotation was computed. [2020-10-29 11:28:31,751 INFO L274 CegarLoopResult]: For program point L348(lines 348 349) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 324 369) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point L344(lines 344 351) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 324 369) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point L338(lines 338 358) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point L338-1(lines 338 358) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 324 369) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point L355(lines 355 356) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L274 CegarLoopResult]: For program point L640(lines 640 650) no Hoare annotation was computed. [2020-10-29 11:28:31,752 INFO L270 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,753 INFO L274 CegarLoopResult]: For program point L638-1(line 638) no Hoare annotation was computed. [2020-10-29 11:28:31,753 INFO L274 CegarLoopResult]: For program point L636(lines 636 653) no Hoare annotation was computed. [2020-10-29 11:28:31,753 INFO L274 CegarLoopResult]: For program point L636-1(lines 628 656) no Hoare annotation was computed. [2020-10-29 11:28:31,753 INFO L270 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,753 INFO L274 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-10-29 11:28:31,753 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 628 656) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,753 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 628 656) no Hoare annotation was computed. [2020-10-29 11:28:31,753 INFO L270 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 806 828) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 806 828) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 806 828) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 620 627) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 620 627) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 620 627) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 221 323) no Hoare annotation was computed. [2020-10-29 11:28:31,754 INFO L274 CegarLoopResult]: For program point L250(lines 250 266) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L310(lines 310 317) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L271(lines 270 290) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L267(lines 267 308) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 221 323) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L286-1(line 286) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L245(lines 245 249) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point L309(lines 309 320) no Hoare annotation was computed. [2020-10-29 11:28:31,755 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 221 323) no Hoare annotation was computed. [2020-10-29 11:28:31,756 INFO L274 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-10-29 11:28:31,756 INFO L274 CegarLoopResult]: For program point L270-2(lines 270 290) no Hoare annotation was computed. [2020-10-29 11:28:31,756 INFO L274 CegarLoopResult]: For program point L291(lines 269 292) no Hoare annotation was computed. [2020-10-29 11:28:31,756 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 840 849) no Hoare annotation was computed. [2020-10-29 11:28:31,756 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 840 849) no Hoare annotation was computed. [2020-10-29 11:28:31,756 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 840 849) no Hoare annotation was computed. [2020-10-29 11:28:31,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point L544(lines 544 550) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 537 553) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 537 553) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point L548-1(lines 537 553) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 829 837) no Hoare annotation was computed. [2020-10-29 11:28:31,757 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 829 837) no Hoare annotation was computed. [2020-10-29 11:28:31,758 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 829 837) no Hoare annotation was computed. [2020-10-29 11:28:31,758 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:28:31,758 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:28:31,758 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:28:31,758 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 785 796) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:28:31,758 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 785 796) no Hoare annotation was computed. [2020-10-29 11:28:31,758 INFO L274 CegarLoopResult]: For program point L789-1(lines 785 796) no Hoare annotation was computed. [2020-10-29 11:28:31,758 INFO L270 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,759 INFO L270 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,759 INFO L270 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-29 11:28:31,759 INFO L274 CegarLoopResult]: For program point L501(lines 500 519) no Hoare annotation was computed. [2020-10-29 11:28:31,759 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,759 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2020-10-29 11:28:31,759 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2020-10-29 11:28:31,759 INFO L274 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-10-29 11:28:31,759 INFO L277 CegarLoopResult]: At program point L673-1(lines 673 677) the Hoare annotation is: true [2020-10-29 11:28:31,760 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 659 688) no Hoare annotation was computed. [2020-10-29 11:28:31,760 INFO L274 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-10-29 11:28:31,760 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 659 688) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,760 INFO L277 CegarLoopResult]: At program point L669-2(lines 669 683) the Hoare annotation is: true [2020-10-29 11:28:31,760 INFO L270 CegarLoopResult]: At program point L665(line 665) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,760 INFO L274 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-10-29 11:28:31,760 INFO L277 CegarLoopResult]: At program point L684(lines 659 688) the Hoare annotation is: true [2020-10-29 11:28:31,760 INFO L274 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-10-29 11:28:31,760 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 797 805) the Hoare annotation is: true [2020-10-29 11:28:31,761 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 797 805) no Hoare annotation was computed. [2020-10-29 11:28:31,761 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 797 805) no Hoare annotation was computed. [2020-10-29 11:28:31,761 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 761 772) the Hoare annotation is: true [2020-10-29 11:28:31,761 INFO L274 CegarLoopResult]: For program point L765-1(lines 761 772) no Hoare annotation was computed. [2020-10-29 11:28:31,761 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 761 772) no Hoare annotation was computed. [2020-10-29 11:28:31,761 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 713 719) no Hoare annotation was computed. [2020-10-29 11:28:31,761 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 713 719) the Hoare annotation is: true [2020-10-29 11:28:31,761 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:28:31,761 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-29 11:28:31,761 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:28:31,762 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:28:31,762 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 773 784) no Hoare annotation was computed. [2020-10-29 11:28:31,762 INFO L274 CegarLoopResult]: For program point L777-1(lines 773 784) no Hoare annotation was computed. [2020-10-29 11:28:31,762 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 773 784) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-29 11:28:31,762 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2020-10-29 11:28:31,762 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-29 11:28:31,762 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2020-10-29 11:28:31,762 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2020-10-29 11:28:31,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:28:31 BoogieIcfgContainer [2020-10-29 11:28:31,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:28:31,779 INFO L168 Benchmark]: Toolchain (without parser) took 23825.18 ms. Allocated memory was 161.5 MB in the beginning and 545.3 MB in the end (delta: 383.8 MB). Free memory was 135.7 MB in the beginning and 323.3 MB in the end (delta: -187.6 MB). Peak memory consumption was 325.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:28:31,779 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 133.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:28:31,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.05 ms. Allocated memory is still 161.5 MB. Free memory was 135.0 MB in the beginning and 115.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:28:31,782 INFO L168 Benchmark]: Boogie Preprocessor took 123.18 ms. Allocated memory is still 161.5 MB. Free memory was 115.1 MB in the beginning and 111.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:28:31,783 INFO L168 Benchmark]: RCFGBuilder took 1391.80 ms. Allocated memory is still 161.5 MB. Free memory was 111.3 MB in the beginning and 59.3 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:28:31,790 INFO L168 Benchmark]: TraceAbstraction took 21768.06 ms. Allocated memory was 161.5 MB in the beginning and 545.3 MB in the end (delta: 383.8 MB). Free memory was 58.8 MB in the beginning and 323.3 MB in the end (delta: -264.5 MB). Peak memory consumption was 248.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:28:31,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 133.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 525.05 ms. Allocated memory is still 161.5 MB. Free memory was 135.0 MB in the beginning and 115.1 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.18 ms. Allocated memory is still 161.5 MB. Free memory was 115.1 MB in the beginning and 111.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1391.80 ms. Allocated memory is still 161.5 MB. Free memory was 111.3 MB in the beginning and 59.3 MB in the end (delta: 51.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21768.06 ms. Allocated memory was 161.5 MB in the beginning and 545.3 MB in the end (delta: 383.8 MB). Free memory was 58.8 MB in the beginning and 323.3 MB in the end (delta: -264.5 MB). Peak memory consumption was 248.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 355]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 348]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 394]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 401]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 268 SDslu, 145 SDs, 0 SdLazy, 417 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 122 PreInvPairs, 151 NumberOfFragments, 641 HoareAnnotationTreeSize, 122 FomulaSimplifications, 5781 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5706 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 39732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...