/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:44:47,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:44:47,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:44:47,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:44:47,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:44:47,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:44:47,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:44:47,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:44:47,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:44:47,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:44:47,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:44:47,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:44:47,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:44:47,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:44:47,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:44:47,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:44:47,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:44:47,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:44:47,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:44:47,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:44:47,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:44:47,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:44:47,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:44:47,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:44:47,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:44:47,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:44:47,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:44:47,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:44:47,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:44:47,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:44:47,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:44:47,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:44:47,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:44:47,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:44:47,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:44:47,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:44:47,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:44:47,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:44:47,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:44:47,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:44:47,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:44:47,545 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 [2020-10-28 16:44:47,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:44:47,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:44:47,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:44:47,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:44:47,611 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:44:47,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:44:47,613 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:44:47,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:44:47,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:44:47,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:44:47,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:44:47,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:44:47,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:44:47,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:44:47,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:44:47,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:44:47,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:44:47,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:44:47,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:44:47,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:44:47,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:44:47,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:44:47,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:44:47,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:44:47,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:44:47,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:44:47,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:44:47,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:44:47,619 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:44:47,619 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:44:47,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:44:48,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:44:48,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:44:48,025 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:44:48,026 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:44:48,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-10-28 16:44:48,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b6dcf74/7bb79d8e87a74ad792186dce516d1de7/FLAG1ca3d05e8 [2020-10-28 16:44:48,824 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:44:48,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-10-28 16:44:48,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b6dcf74/7bb79d8e87a74ad792186dce516d1de7/FLAG1ca3d05e8 [2020-10-28 16:44:49,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16b6dcf74/7bb79d8e87a74ad792186dce516d1de7 [2020-10-28 16:44:49,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:44:49,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:44:49,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:44:49,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:44:49,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:44:49,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f1e49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49, skipping insertion in model container [2020-10-28 16:44:49,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:44:49,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:44:49,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:44:49,615 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:44:49,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:44:49,755 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:44:49,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49 WrapperNode [2020-10-28 16:44:49,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:44:49,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:44:49,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:44:49,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:44:49,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (1/1) ... [2020-10-28 16:44:49,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:44:49,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:44:49,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:44:49,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:44:49,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (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 [2020-10-28 16:44:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:44:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:44:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:44:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:44:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:44:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:44:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:44:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:44:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:44:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:44:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:44:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:44:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:44:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:44:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:44:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:44:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:44:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:44:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:44:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:44:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:44:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:44:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:44:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:44:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:44:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:44:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:44:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:44:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:44:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:44:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:44:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:44:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:44:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:44:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:44:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:44:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:44:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:44:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:44:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:44:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:44:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:44:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:44:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:44:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:44:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:44:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:44:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:44:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:44:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:44:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:44:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:44:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:44:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:44:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:44:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:44:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:44:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:44:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:44:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:44:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:44:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:44:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:44:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:44:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:44:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:44:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:44:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:44:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:44:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:44:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:44:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:44:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:44:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:44:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:44:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:44:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:44:51,274 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:44:51,275 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:44:51,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:44:51 BoogieIcfgContainer [2020-10-28 16:44:51,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:44:51,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:44:51,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:44:51,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:44:51,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:44:49" (1/3) ... [2020-10-28 16:44:51,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41393019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:44:51, skipping insertion in model container [2020-10-28 16:44:51,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:44:49" (2/3) ... [2020-10-28 16:44:51,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41393019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:44:51, skipping insertion in model container [2020-10-28 16:44:51,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:44:51" (3/3) ... [2020-10-28 16:44:51,286 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-10-28 16:44:51,298 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:44:51,303 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:44:51,317 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:44:51,344 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:44:51,345 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:44:51,345 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:44:51,345 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:44:51,345 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:44:51,345 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:44:51,345 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:44:51,346 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:44:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-28 16:44:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:44:51,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:44:51,377 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] [2020-10-28 16:44:51,378 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]=== [2020-10-28 16:44:51,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:44:51,385 INFO L82 PathProgramCache]: Analyzing trace with hash -775070889, now seen corresponding path program 1 times [2020-10-28 16:44:51,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:44:51,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887479479] [2020-10-28 16:44:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:44:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:51,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:51,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:52,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:54,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:54,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:56,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:56,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:44:56,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:44:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:44:56,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:56,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:44:56,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 16:44:57,193 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:44:57,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:44:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:57,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:44:57,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:57,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:44:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:57,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:57,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:44:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:57,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:57,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:57,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:57,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:57,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:57,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:44:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:57,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:57,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:57,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:44:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:57,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:57,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:57,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:44:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:57,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:57,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:57,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:57,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:44:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:57,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:57,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:57,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:57,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:57,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:57,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:57,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:57,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:57,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:44:57,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887479479] [2020-10-28 16:44:57,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:44:57,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:44:57,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557259803] [2020-10-28 16:44:57,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:44:57,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:44:57,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:44:57,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:44:57,369 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-10-28 16:44:58,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:44:58,652 INFO L93 Difference]: Finished difference Result 266 states and 353 transitions. [2020-10-28 16:44:58,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:44:58,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:44:58,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:44:58,668 INFO L225 Difference]: With dead ends: 266 [2020-10-28 16:44:58,669 INFO L226 Difference]: Without dead ends: 149 [2020-10-28 16:44:58,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:44:58,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-28 16:44:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 115. [2020-10-28 16:44:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 16:44:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-10-28 16:44:58,775 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-10-28 16:44:58,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:44:58,776 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-10-28 16:44:58,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:44:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-10-28 16:44:58,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:44:58,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:44:58,786 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] [2020-10-28 16:44:58,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:44:58,786 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]=== [2020-10-28 16:44:58,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:44:58,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1606723077, now seen corresponding path program 1 times [2020-10-28 16:44:58,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:44:58,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767708094] [2020-10-28 16:44:58,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:44:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:58,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:58,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:59,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:00,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:00,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:03,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:03,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:45:03,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:03,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 16:45:03,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:03,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:03,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:03,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:45:03,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:45:03,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:04,206 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 16:45:04,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:04,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:45:04,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:04,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:04,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:04,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:04,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:04,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:04,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:04,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:04,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:04,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:04,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:04,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:04,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:04,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:04,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:04,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:04,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:04,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:45:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:04,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:04,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:45:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:45:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:04,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:04,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:04,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:04,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:04,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:04,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:04,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:45:04,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767708094] [2020-10-28 16:45:04,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:04,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:45:04,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612385139] [2020-10-28 16:45:04,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:45:04,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:04,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:45:04,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:45:04,362 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-10-28 16:45:04,942 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:45:06,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:06,108 INFO L93 Difference]: Finished difference Result 198 states and 248 transitions. [2020-10-28 16:45:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:45:06,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:45:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:06,111 INFO L225 Difference]: With dead ends: 198 [2020-10-28 16:45:06,112 INFO L226 Difference]: Without dead ends: 139 [2020-10-28 16:45:06,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:45:06,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-28 16:45:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 106. [2020-10-28 16:45:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 16:45:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-10-28 16:45:06,159 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2020-10-28 16:45:06,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:06,160 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-10-28 16:45:06,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:45:06,160 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-10-28 16:45:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:45:06,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:06,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:06,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:45:06,163 INFO L429 AbstractCegarLoop]: === Iteration 3 === [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]=== [2020-10-28 16:45:06,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:06,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1282561345, now seen corresponding path program 1 times [2020-10-28 16:45:06,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:06,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289528230] [2020-10-28 16:45:06,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:06,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:06,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:07,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:07,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:45:11,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:11,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 16:45:11,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:45:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:45:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,713 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:11,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-28 16:45:11,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:11,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:45:11,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:11,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:11,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:11,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:11,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:11,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:11,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:11,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:11,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:11,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:11,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:11,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:11,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:11,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:11,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:45:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:11,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:11,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 16:45:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:11,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:11,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:11,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:11,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:11,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:45:11,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289528230] [2020-10-28 16:45:11,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:11,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:45:11,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794307779] [2020-10-28 16:45:11,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:45:11,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:11,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:45:11,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:45:11,938 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 6 states. [2020-10-28 16:45:12,393 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:45:13,308 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:45:14,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:14,769 INFO L93 Difference]: Finished difference Result 367 states and 467 transitions. [2020-10-28 16:45:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:45:14,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 16:45:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:14,774 INFO L225 Difference]: With dead ends: 367 [2020-10-28 16:45:14,774 INFO L226 Difference]: Without dead ends: 289 [2020-10-28 16:45:14,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:45:14,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-10-28 16:45:14,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 222. [2020-10-28 16:45:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-28 16:45:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 271 transitions. [2020-10-28 16:45:14,902 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 271 transitions. Word has length 58 [2020-10-28 16:45:14,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:14,903 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 271 transitions. [2020-10-28 16:45:14,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:45:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 271 transitions. [2020-10-28 16:45:14,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 16:45:14,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:14,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:14,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:45:14,906 INFO L429 AbstractCegarLoop]: === Iteration 4 === [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]=== [2020-10-28 16:45:14,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:14,907 INFO L82 PathProgramCache]: Analyzing trace with hash 643697249, now seen corresponding path program 1 times [2020-10-28 16:45:14,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:14,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038144207] [2020-10-28 16:45:14,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:14,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:15,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:15,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:16,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:19,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:19,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 16:45:19,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:19,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:45:19,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:19,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:45:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:45:19,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 16:45:19,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,337 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:20,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:20,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 16:45:20,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:20,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:45:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:20,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:20,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:45:20,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:20,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:20,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:20,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:20,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:45:20,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:45:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:45:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:45:20,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:20,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:45:20,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:45:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:20,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:20,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:20,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 16:45:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:20,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:20,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:20,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:20,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:20,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:20,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:45:20,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038144207] [2020-10-28 16:45:20,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:20,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:45:20,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721715939] [2020-10-28 16:45:20,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:45:20,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:20,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:45:20,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:45:20,475 INFO L87 Difference]: Start difference. First operand 222 states and 271 transitions. Second operand 6 states. [2020-10-28 16:45:20,963 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:45:23,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:23,490 INFO L93 Difference]: Finished difference Result 596 states and 837 transitions. [2020-10-28 16:45:23,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:45:23,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-28 16:45:23,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:23,498 INFO L225 Difference]: With dead ends: 596 [2020-10-28 16:45:23,499 INFO L226 Difference]: Without dead ends: 592 [2020-10-28 16:45:23,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:45:23,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-28 16:45:23,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 424. [2020-10-28 16:45:23,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-28 16:45:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 528 transitions. [2020-10-28 16:45:23,667 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 528 transitions. Word has length 63 [2020-10-28 16:45:23,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:23,668 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 528 transitions. [2020-10-28 16:45:23,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:45:23,668 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 528 transitions. [2020-10-28 16:45:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 16:45:23,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:23,672 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:23,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:45:23,673 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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]=== [2020-10-28 16:45:23,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:23,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1986637551, now seen corresponding path program 1 times [2020-10-28 16:45:23,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:23,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810219699] [2020-10-28 16:45:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:23,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:23,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:23,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:24,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:24,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:27,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:28,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:28,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 16:45:28,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:45:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 16:45:28,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:28,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:45:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:45:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:45:28,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,074 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:29,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:29,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 16:45:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:29,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:29,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:29,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:29,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:29,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:29,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:29,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:45:29,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:29,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:29,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:45:29,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:45:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:45:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:45:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:45:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:45:29,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:45:29,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 16:45:29,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:45:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:45:29,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 16:45:29,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:45:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:45:29,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 16:45:29,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:45:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:45:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:45:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:29,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:45:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:45:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:29,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:29,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:45:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:29,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:29,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 16:45:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:29,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:29,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 16:45:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:29,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:29,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:29,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:29,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:29,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:29,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:29,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 16:45:29,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810219699] [2020-10-28 16:45:29,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:45:29,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:45:29,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716192092] [2020-10-28 16:45:29,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:45:29,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:29,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:45:29,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:45:29,512 INFO L87 Difference]: Start difference. First operand 424 states and 528 transitions. Second operand 13 states. [2020-10-28 16:45:30,223 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:45:31,667 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:45:32,512 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-28 16:45:33,341 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2020-10-28 16:45:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:33,972 INFO L93 Difference]: Finished difference Result 626 states and 844 transitions. [2020-10-28 16:45:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:45:33,972 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-28 16:45:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:33,973 INFO L225 Difference]: With dead ends: 626 [2020-10-28 16:45:33,973 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:45:33,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:45:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:45:33,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:45:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:45:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:45:33,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2020-10-28 16:45:33,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:33,980 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:45:33,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:45:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:45:33,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:45:33,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:45:33,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:45:34,116 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:45:34,284 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 221 [2020-10-28 16:45:34,676 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 11 [2020-10-28 16:45:38,400 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:45:38,723 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:39,082 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:39,420 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-28 16:45:40,049 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:45:40,625 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:45:40,940 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-10-28 16:45:41,301 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:41,938 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:45:42,550 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:45:42,854 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:45:43,438 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:45:43,762 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:44,071 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:44,657 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:45:45,258 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:45:45,560 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:45,909 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:46,232 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:45:46,559 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:46,932 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:47,240 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:45:47,546 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:45:48,162 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-10-28 16:45:48,802 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:45:49,405 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:45:49,410 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:45:49,410 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:45:49,410 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point L225-2(lines 225 246) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point L247(lines 224 248) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 200 255) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point L231(lines 231 235) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 200 255) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 200 255) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-10-28 16:45:49,411 INFO L274 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point L288-1(lines 288 292) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point L283(line 283) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point L282-2(lines 282 307) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 256 315) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point L308(lines 281 309) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 256 315) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-10-28 16:45:49,412 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 256 315) no Hoare annotation was computed. [2020-10-28 16:45:49,413 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 625 631) the Hoare annotation is: true [2020-10-28 16:45:49,413 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 625 631) no Hoare annotation was computed. [2020-10-28 16:45:49,413 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 632 640) no Hoare annotation was computed. [2020-10-28 16:45:49,413 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 632 640) the Hoare annotation is: true [2020-10-28 16:45:49,413 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 632 640) no Hoare annotation was computed. [2020-10-28 16:45:49,414 INFO L270 CegarLoopResult]: At program point L130-1(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,414 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,414 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2020-10-28 16:45:49,414 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2020-10-28 16:45:49,414 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,415 INFO L270 CegarLoopResult]: At program point L136-1(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,415 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-10-28 16:45:49,415 INFO L274 CegarLoopResult]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2020-10-28 16:45:49,415 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 16:45:49,415 INFO L270 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,415 INFO L270 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 16:45:49,416 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 887 901) no Hoare annotation was computed. [2020-10-28 16:45:49,417 INFO L270 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:45:49,418 INFO L274 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-10-28 16:45:49,418 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 887 901) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:45:49,418 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 887 901) no Hoare annotation was computed. [2020-10-28 16:45:49,418 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 842 850) no Hoare annotation was computed. [2020-10-28 16:45:49,418 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 842 850) the Hoare annotation is: true [2020-10-28 16:45:49,418 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 842 850) no Hoare annotation was computed. [2020-10-28 16:45:49,418 INFO L274 CegarLoopResult]: For program point L858(lines 858 866) no Hoare annotation was computed. [2020-10-28 16:45:49,418 INFO L274 CegarLoopResult]: For program point L858-2(lines 858 866) no Hoare annotation was computed. [2020-10-28 16:45:49,418 INFO L274 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point L881-1(line 881) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 851 886) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 851 886) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point L870-2(lines 870 878) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 851 886) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 618 624) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 618 624) the Hoare annotation is: true [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 154 199) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 154 199) no Hoare annotation was computed. [2020-10-28 16:45:49,419 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 154 199) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point L481(lines 481 501) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point L481-1(lines 481 501) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 467 512) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point L498(lines 498 499) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 491 492) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 498 499) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point L491(lines 491 492) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 467 512) no Hoare annotation was computed. [2020-10-28 16:45:49,420 INFO L274 CegarLoopResult]: For program point L487(lines 487 494) no Hoare annotation was computed. [2020-10-28 16:45:49,421 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 467 512) no Hoare annotation was computed. [2020-10-28 16:45:49,421 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,421 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2020-10-28 16:45:49,421 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2020-10-28 16:45:49,421 INFO L270 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,421 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 831 841) the Hoare annotation is: true [2020-10-28 16:45:49,421 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 831 841) no Hoare annotation was computed. [2020-10-28 16:45:49,421 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 831 841) no Hoare annotation was computed. [2020-10-28 16:45:49,421 INFO L277 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: true [2020-10-28 16:45:49,422 INFO L274 CegarLoopResult]: For program point L836-1(line 836) no Hoare annotation was computed. [2020-10-28 16:45:49,422 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 823 830) the Hoare annotation is: true [2020-10-28 16:45:49,422 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 823 830) no Hoare annotation was computed. [2020-10-28 16:45:49,422 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 823 830) no Hoare annotation was computed. [2020-10-28 16:45:49,422 INFO L270 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:45:49,422 INFO L274 CegarLoopResult]: For program point L798(lines 798 806) no Hoare annotation was computed. [2020-10-28 16:45:49,422 INFO L270 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:45:49,422 INFO L274 CegarLoopResult]: For program point L796-1(line 796) no Hoare annotation was computed. [2020-10-28 16:45:49,422 INFO L274 CegarLoopResult]: For program point L794(lines 794 811) no Hoare annotation was computed. [2020-10-28 16:45:49,423 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2020-10-28 16:45:49,423 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:45:49,423 INFO L270 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:45:49,423 INFO L274 CegarLoopResult]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2020-10-28 16:45:49,423 INFO L270 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:45:49,423 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 782 788) no Hoare annotation was computed. [2020-10-28 16:45:49,425 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 782 788) the Hoare annotation is: true [2020-10-28 16:45:49,425 INFO L274 CegarLoopResult]: For program point L704(lines 704 710) no Hoare annotation was computed. [2020-10-28 16:45:49,425 INFO L270 CegarLoopResult]: At program point testENTRY(lines 684 751) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,425 INFO L274 CegarLoopResult]: For program point L704-1(lines 704 710) no Hoare annotation was computed. [2020-10-28 16:45:49,426 INFO L274 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-10-28 16:45:49,426 INFO L274 CegarLoopResult]: For program point testFINAL(lines 684 751) no Hoare annotation was computed. [2020-10-28 16:45:49,426 INFO L270 CegarLoopResult]: At program point L744(lines 693 745) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,426 INFO L270 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,426 INFO L274 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-10-28 16:45:49,426 INFO L270 CegarLoopResult]: At program point L732-1(lines 724 739) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,426 INFO L274 CegarLoopResult]: For program point L695(lines 694 743) no Hoare annotation was computed. [2020-10-28 16:45:49,427 INFO L270 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,427 INFO L274 CegarLoopResult]: For program point L724(lines 724 739) no Hoare annotation was computed. [2020-10-28 16:45:49,427 INFO L270 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,427 INFO L274 CegarLoopResult]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-10-28 16:45:49,434 INFO L274 CegarLoopResult]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2020-10-28 16:45:49,434 INFO L270 CegarLoopResult]: At program point L741(lines 694 743) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,440 INFO L274 CegarLoopResult]: For program point testEXIT(lines 684 751) no Hoare annotation was computed. [2020-10-28 16:45:49,441 INFO L270 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,441 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 445 446) no Hoare annotation was computed. [2020-10-28 16:45:49,441 INFO L274 CegarLoopResult]: For program point L445(lines 445 446) no Hoare annotation was computed. [2020-10-28 16:45:49,441 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 452 453) no Hoare annotation was computed. [2020-10-28 16:45:49,441 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 421 466) no Hoare annotation was computed. [2020-10-28 16:45:49,441 INFO L274 CegarLoopResult]: For program point L441(lines 441 448) no Hoare annotation was computed. [2020-10-28 16:45:49,441 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 421 466) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point L435(lines 435 455) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point L435-1(lines 435 455) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 421 466) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point L452(lines 452 453) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L270 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point L665(lines 665 671) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point L664(lines 664 674) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L270 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-10-28 16:45:49,442 INFO L274 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-10-28 16:45:49,443 INFO L274 CegarLoopResult]: For program point L660-1(lines 652 680) no Hoare annotation was computed. [2020-10-28 16:45:49,443 INFO L270 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,443 INFO L274 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-10-28 16:45:49,443 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 652 680) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,443 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 652 680) no Hoare annotation was computed. [2020-10-28 16:45:49,443 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 644 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,443 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 644 651) no Hoare annotation was computed. [2020-10-28 16:45:49,443 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 644 651) no Hoare annotation was computed. [2020-10-28 16:45:49,443 INFO L274 CegarLoopResult]: For program point L573(lines 573 581) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point L573-2(lines 573 581) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 565 587) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 565 587) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 565 587) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 318 420) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point L347(lines 347 363) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point L407(lines 407 414) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point L368(lines 367 387) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-10-28 16:45:49,444 INFO L274 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L364(lines 364 405) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 318 420) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L406(lines 406 417) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 318 420) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L369(lines 369 373) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L367-2(lines 367 387) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point L388(lines 366 389) no Hoare annotation was computed. [2020-10-28 16:45:49,445 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 608 617) no Hoare annotation was computed. [2020-10-28 16:45:49,446 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 608 617) no Hoare annotation was computed. [2020-10-28 16:45:49,446 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 608 617) no Hoare annotation was computed. [2020-10-28 16:45:49,446 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:45:49,446 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:45:49,446 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 815 822) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 815 822) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 815 822) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 588 596) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 588 596) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 588 596) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 544 555) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 544 555) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point L548-1(lines 544 555) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:45:49,447 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:45:49,448 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:45:49,448 INFO L270 CegarLoopResult]: At program point L769(lines 769 775) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,448 INFO L270 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,448 INFO L274 CegarLoopResult]: For program point L762(lines 761 780) no Hoare annotation was computed. [2020-10-28 16:45:49,448 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 758 781) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,448 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 758 781) no Hoare annotation was computed. [2020-10-28 16:45:49,448 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 758 781) no Hoare annotation was computed. [2020-10-28 16:45:49,448 INFO L270 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:45:49,449 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 16:45:49,449 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-28 16:45:49,449 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-28 16:45:49,449 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-28 16:45:49,449 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-28 16:45:49,449 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-28 16:45:49,449 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-28 16:45:49,449 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-28 16:45:49,449 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-28 16:45:49,449 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-28 16:45:49,450 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 556 564) the Hoare annotation is: true [2020-10-28 16:45:49,450 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 556 564) no Hoare annotation was computed. [2020-10-28 16:45:49,450 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 556 564) no Hoare annotation was computed. [2020-10-28 16:45:49,450 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 520 531) the Hoare annotation is: true [2020-10-28 16:45:49,450 INFO L274 CegarLoopResult]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2020-10-28 16:45:49,450 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 520 531) no Hoare annotation was computed. [2020-10-28 16:45:49,450 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-28 16:45:49,450 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-28 16:45:49,450 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:45:49,451 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:45:49,451 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:45:49,451 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:45:49,451 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 902 909) no Hoare annotation was computed. [2020-10-28 16:45:49,451 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 902 909) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:45:49,451 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 902 909) no Hoare annotation was computed. [2020-10-28 16:45:49,451 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 532 543) no Hoare annotation was computed. [2020-10-28 16:45:49,451 INFO L274 CegarLoopResult]: For program point L536-1(lines 532 543) no Hoare annotation was computed. [2020-10-28 16:45:49,451 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 532 543) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:45:49,452 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 598 605) no Hoare annotation was computed. [2020-10-28 16:45:49,452 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-10-28 16:45:49,452 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 598 605) the Hoare annotation is: true [2020-10-28 16:45:49,452 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 598 605) no Hoare annotation was computed. [2020-10-28 16:45:49,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:45:49 BoogieIcfgContainer [2020-10-28 16:45:49,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:45:49,485 INFO L168 Benchmark]: Toolchain (without parser) took 60331.14 ms. Allocated memory was 151.0 MB in the beginning and 799.0 MB in the end (delta: 648.0 MB). Free memory was 125.2 MB in the beginning and 691.3 MB in the end (delta: -566.1 MB). Peak memory consumption was 479.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:49,485 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:45:49,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.73 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 103.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:49,488 INFO L168 Benchmark]: Boogie Preprocessor took 127.60 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 133.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:49,492 INFO L168 Benchmark]: RCFGBuilder took 1391.06 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 129.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:49,494 INFO L168 Benchmark]: TraceAbstraction took 58196.09 ms. Allocated memory was 151.0 MB in the beginning and 799.0 MB in the end (delta: 648.0 MB). Free memory was 129.0 MB in the beginning and 691.3 MB in the end (delta: -562.3 MB). Peak memory consumption was 482.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:49,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 598.73 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 103.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 127.60 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 133.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1391.06 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 129.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 58196.09 ms. Allocated memory was 151.0 MB in the beginning and 799.0 MB in the end (delta: 648.0 MB). Free memory was 129.0 MB in the beginning and 691.3 MB in the end (delta: -562.3 MB). Peak memory consumption was 482.1 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: 452]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 445]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 491]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 498]: 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: 693]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || ((splverifierCounter <= 0 && pumpRunning == 0) && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 42.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 497 SDtfs, 997 SDslu, 356 SDs, 0 SdLazy, 1736 SolverSat, 841 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=424occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 302 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 380 PreInvPairs, 445 NumberOfFragments, 904 HoareAnnotationTreeSize, 380 FomulaSimplifications, 235495 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 56 FomulaSimplificationsInter, 12428 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 101816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 25/27 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...