/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:43:26,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:43:26,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:43:26,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:43:26,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:43:26,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:43:26,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:43:26,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:43:26,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:43:26,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:43:26,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:43:26,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:43:26,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:43:26,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:43:26,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:43:26,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:43:26,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:43:26,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:43:26,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:43:26,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:43:26,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:43:26,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:43:26,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:43:26,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:43:26,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:43:26,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:43:26,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:43:26,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:43:26,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:43:26,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:43:26,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:43:26,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:43:26,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:43:26,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:43:26,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:43:26,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:43:26,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:43:26,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:43:26,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:43:26,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:43:26,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:43:26,737 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 16:43:26,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:43:26,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:43:26,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:43:26,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:43:26,777 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:43:26,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:43:26,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:43:26,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:43:26,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:43:26,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:43:26,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:43:26,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:43:26,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:43:26,781 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:43:26,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:43:26,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:43:26,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:43:26,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:43:26,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:43:26,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:43:26,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:43:26,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:43:26,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:43:26,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:43:26,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:43:26,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:43:26,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:43:26,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:43:26,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:43:26,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:43:27,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:43:27,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:43:27,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:43:27,226 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:43:27,227 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:43:27,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-10-28 16:43:27,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/594d911aa/e1fa829564394a3c9455f405c37dfdef/FLAG129e537c5 [2020-10-28 16:43:27,992 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:43:27,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-10-28 16:43:28,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/594d911aa/e1fa829564394a3c9455f405c37dfdef/FLAG129e537c5 [2020-10-28 16:43:28,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/594d911aa/e1fa829564394a3c9455f405c37dfdef [2020-10-28 16:43:28,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:43:28,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:43:28,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:43:28,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:43:28,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:43:28,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a52a22c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28, skipping insertion in model container [2020-10-28 16:43:28,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:43:28,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:43:28,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:43:28,703 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:43:28,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:43:28,889 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:43:28,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28 WrapperNode [2020-10-28 16:43:28,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:43:28,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:43:28,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:43:28,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:43:28,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (1/1) ... [2020-10-28 16:43:28,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:43:28,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:43:28,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:43:28,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:43:28,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (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 16:43:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:43:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:43:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:43:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:43:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:43:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:43:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:43:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:43:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:43:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:43:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:43:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:43:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:43:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:43:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:43:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:43:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:43:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:43:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:43:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:43:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:43:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:43:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:43:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:43:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:43:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:43:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:43:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:43:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:43:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:43:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:43:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:43:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:43:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:43:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:43:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:43:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:43:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:43:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:43:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:43:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:43:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:43:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:43:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:43:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:43:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:43:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:43:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:43:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:43:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:43:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:43:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:43:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:43:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:43:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:43:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:43:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:43:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:43:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:43:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:43:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:43:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:43:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:43:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:43:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:43:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:43:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:43:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:43:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:43:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:43:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:43:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:43:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:43:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:43:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:43:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:43:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:43:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:43:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:43:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:43:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:43:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:43:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:43:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:43:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:43:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:43:30,297 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:43:30,297 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:43:30,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:43:30 BoogieIcfgContainer [2020-10-28 16:43:30,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:43:30,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:43:30,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:43:30,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:43:30,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:43:28" (1/3) ... [2020-10-28 16:43:30,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540acdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:43:30, skipping insertion in model container [2020-10-28 16:43:30,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:43:28" (2/3) ... [2020-10-28 16:43:30,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540acdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:43:30, skipping insertion in model container [2020-10-28 16:43:30,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:43:30" (3/3) ... [2020-10-28 16:43:30,310 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-10-28 16:43:30,323 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:43:30,330 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:43:30,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:43:30,374 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:43:30,375 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:43:30,375 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:43:30,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:43:30,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:43:30,375 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:43:30,375 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:43:30,375 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:43:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-28 16:43:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:43:30,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:30,413 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 16:43:30,413 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 16:43:30,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:30,421 INFO L82 PathProgramCache]: Analyzing trace with hash 282733236, now seen corresponding path program 1 times [2020-10-28 16:43:30,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:30,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105813856] [2020-10-28 16:43:30,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:31,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:31,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:32,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:32,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:33,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:43:35,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:43:35,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 16:43:35,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:43:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 16:43:36,234 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:36,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:36,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 16:43:36,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:36,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:36,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:36,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:43:36,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:36,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:36,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:36,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:36,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:36,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:36,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:36,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:36,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:43:36,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:36,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:43:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:36,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:36,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:36,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:43:36,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:43:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:36,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:36,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:36,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:43:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:36,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:36,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:36,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:36,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:36,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:36,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:36,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:36,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:36,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:36,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:36,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:36,451 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 16:43:36,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105813856] [2020-10-28 16:43:36,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:36,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:43:36,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531886024] [2020-10-28 16:43:36,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:43:36,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:36,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:43:36,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:43:36,480 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 4 states. [2020-10-28 16:43:37,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:37,584 INFO L93 Difference]: Finished difference Result 203 states and 273 transitions. [2020-10-28 16:43:37,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:43:37,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:43:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:37,608 INFO L225 Difference]: With dead ends: 203 [2020-10-28 16:43:37,609 INFO L226 Difference]: Without dead ends: 114 [2020-10-28 16:43:37,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:43:37,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-28 16:43:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2020-10-28 16:43:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-28 16:43:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2020-10-28 16:43:37,739 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2020-10-28 16:43:37,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:37,740 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2020-10-28 16:43:37,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:43:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2020-10-28 16:43:37,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:43:37,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:37,747 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 16:43:37,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:43:37,747 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 16:43:37,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:37,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185824, now seen corresponding path program 1 times [2020-10-28 16:43:37,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:37,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857529158] [2020-10-28 16:43:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:37,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:37,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:37,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:38,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:41,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:42,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:42,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:43:42,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:43:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 16:43:42,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:42,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 16:43:42,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,154 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:43,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:43,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 16:43:43,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:43,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:43:43,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:43,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:43,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:43,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:43,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:43,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:43,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:43,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:43:43,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:43:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:43,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:43,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:43,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:43,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:43,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:43:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:43,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:43,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:43,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:43,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:43,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:43:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:43,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:43,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:43,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:43,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:43,347 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 16:43:43,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857529158] [2020-10-28 16:43:43,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:43,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:43:43,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227738366] [2020-10-28 16:43:43,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:43:43,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:43,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:43:43,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:43:43,353 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 5 states. [2020-10-28 16:43:43,812 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:43:44,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:44,605 INFO L93 Difference]: Finished difference Result 173 states and 223 transitions. [2020-10-28 16:43:44,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 16:43:44,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:43:44,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:44,609 INFO L225 Difference]: With dead ends: 173 [2020-10-28 16:43:44,609 INFO L226 Difference]: Without dead ends: 114 [2020-10-28 16:43:44,610 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 16:43:44,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-28 16:43:44,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2020-10-28 16:43:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-28 16:43:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2020-10-28 16:43:44,655 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 53 [2020-10-28 16:43:44,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:44,656 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2020-10-28 16:43:44,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:43:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2020-10-28 16:43:44,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-28 16:43:44,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:44,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:43:44,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:43:44,659 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 16:43:44,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:44,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2133636720, now seen corresponding path program 1 times [2020-10-28 16:43:44,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:44,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333631144] [2020-10-28 16:43:44,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:45,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:46,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:46,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:49,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 16:43:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:43:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 16:43:49,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:49,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:43:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:43:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,042 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:50,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 16:43:50,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:50,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:50,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:50,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:50,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:50,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:50,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:50,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:50,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:43:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:50,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:50,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:50,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:43:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:50,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:50,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 16:43:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:43:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:50,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:50,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:50,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:43:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:50,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:50,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:50,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:50,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:50,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:50,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:50,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:50,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:50,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:50,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:50,145 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 16:43:50,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333631144] [2020-10-28 16:43:50,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:50,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:43:50,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971434303] [2020-10-28 16:43:50,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:43:50,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:50,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:43:50,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:43:50,148 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 5 states. [2020-10-28 16:43:50,705 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:43:51,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:51,282 INFO L93 Difference]: Finished difference Result 145 states and 177 transitions. [2020-10-28 16:43:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:43:51,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-28 16:43:51,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:51,284 INFO L225 Difference]: With dead ends: 145 [2020-10-28 16:43:51,285 INFO L226 Difference]: Without dead ends: 104 [2020-10-28 16:43:51,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:43:51,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-28 16:43:51,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 78. [2020-10-28 16:43:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-28 16:43:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2020-10-28 16:43:51,320 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 56 [2020-10-28 16:43:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:51,320 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2020-10-28 16:43:51,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:43:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2020-10-28 16:43:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 16:43:51,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:51,322 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] [2020-10-28 16:43:51,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:43:51,323 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 16:43:51,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:51,323 INFO L82 PathProgramCache]: Analyzing trace with hash 2117520381, now seen corresponding path program 1 times [2020-10-28 16:43:51,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:51,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179304073] [2020-10-28 16:43:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:51,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:51,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:51,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:51,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 16:43:56,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:43:56,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 16:43:56,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:43:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:56,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 16:43:56,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,693 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:56,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:56,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 16:43:56,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:43:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:56,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:56,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:56,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:56,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:56,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:56,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:43:56,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:56,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:56,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:56,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:43:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:56,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:56,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:56,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:43:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:56,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:56,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:43:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:56,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:56,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:56,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:56,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 16:43:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:56,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:56,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:56,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:56,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:56,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:43:56,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:56,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:56,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:56,917 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 16:43:56,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179304073] [2020-10-28 16:43:56,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:56,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:43:56,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699111091] [2020-10-28 16:43:56,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:43:56,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:56,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:43:56,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:43:56,920 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 8 states. [2020-10-28 16:43:57,467 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:43:58,353 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:43:58,681 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:43:58,976 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:43:59,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:59,143 INFO L93 Difference]: Finished difference Result 142 states and 178 transitions. [2020-10-28 16:43:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:43:59,143 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-28 16:43:59,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:59,144 INFO L225 Difference]: With dead ends: 142 [2020-10-28 16:43:59,144 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:43:59,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-28 16:43:59,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:43:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:43:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:43:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:43:59,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-10-28 16:43:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:59,153 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:43:59,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:43:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:43:59,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:43:59,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:43:59,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:43:59,938 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 209 [2020-10-28 16:44:00,047 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 209 [2020-10-28 16:44:01,124 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:01,348 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:01,557 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:01,811 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 16:44:01,996 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 16:44:02,196 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:02,395 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 16:44:02,660 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:44:02,854 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:03,049 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-28 16:44:03,247 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:03,442 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-28 16:44:03,644 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-10-28 16:44:03,834 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 16:44:04,074 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:04,258 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 16:44:04,458 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-10-28 16:44:04,648 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 16:44:04,652 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:44:04,652 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:44:04,653 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:44:04,653 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:44:04,653 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 16:44:04,653 INFO L274 CegarLoopResult]: For program point L479-2(lines 479 500) no Hoare annotation was computed. [2020-10-28 16:44:04,653 INFO L274 CegarLoopResult]: For program point L501(lines 478 502) no Hoare annotation was computed. [2020-10-28 16:44:04,653 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 454 509) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 454 509) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point L485(lines 485 489) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 454 509) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point L536-2(lines 536 561) no Hoare annotation was computed. [2020-10-28 16:44:04,654 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 510 569) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L274 CegarLoopResult]: For program point L562(lines 535 563) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 510 569) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L274 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 510 569) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 247 253) the Hoare annotation is: true [2020-10-28 16:44:04,655 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 247 253) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 254 262) no Hoare annotation was computed. [2020-10-28 16:44:04,655 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 254 262) the Hoare annotation is: true [2020-10-28 16:44:04,656 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 254 262) no Hoare annotation was computed. [2020-10-28 16:44:04,656 INFO L270 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,656 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 338 360) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,656 INFO L270 CegarLoopResult]: At program point L350-1(line 350) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,656 INFO L274 CegarLoopResult]: For program point L348(lines 348 355) no Hoare annotation was computed. [2020-10-28 16:44:04,656 INFO L274 CegarLoopResult]: For program point L348-1(lines 348 355) no Hoare annotation was computed. [2020-10-28 16:44:04,656 INFO L274 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-10-28 16:44:04,657 INFO L270 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,657 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 338 360) no Hoare annotation was computed. [2020-10-28 16:44:04,657 INFO L270 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,657 INFO L270 CegarLoopResult]: At program point L344-1(line 344) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,657 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 338 360) no Hoare annotation was computed. [2020-10-28 16:44:04,657 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 295 318) no Hoare annotation was computed. [2020-10-28 16:44:04,657 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 295 318) no Hoare annotation was computed. [2020-10-28 16:44:04,657 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 295 318) no Hoare annotation was computed. [2020-10-28 16:44:04,657 INFO L274 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-10-28 16:44:04,658 INFO L274 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 112 120) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 112 120) the Hoare annotation is: true [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 112 120) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L128(lines 128 136) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L128-2(lines 128 136) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-28 16:44:04,659 INFO L274 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 121 156) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 121 156) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 121 156) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 240 246) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 240 246) the Hoare annotation is: true [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 408 453) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 408 453) no Hoare annotation was computed. [2020-10-28 16:44:04,660 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 408 453) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point L735(lines 735 755) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point L735-1(lines 735 755) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 721 766) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point L752(lines 752 753) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 745 746) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 752 753) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 721 766) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point L745(lines 745 746) no Hoare annotation was computed. [2020-10-28 16:44:04,661 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 721 766) no Hoare annotation was computed. [2020-10-28 16:44:04,662 INFO L274 CegarLoopResult]: For program point L741(lines 741 748) no Hoare annotation was computed. [2020-10-28 16:44:04,662 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 327 337) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,662 INFO L277 CegarLoopResult]: At program point L332(line 332) the Hoare annotation is: true [2020-10-28 16:44:04,662 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 327 337) no Hoare annotation was computed. [2020-10-28 16:44:04,662 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 327 337) no Hoare annotation was computed. [2020-10-28 16:44:04,662 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 101 111) no Hoare annotation was computed. [2020-10-28 16:44:04,662 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 101 111) no Hoare annotation was computed. [2020-10-28 16:44:04,662 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-28 16:44:04,663 INFO L274 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-10-28 16:44:04,663 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 101 111) no Hoare annotation was computed. [2020-10-28 16:44:04,663 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 93 100) no Hoare annotation was computed. [2020-10-28 16:44:04,663 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 93 100) no Hoare annotation was computed. [2020-10-28 16:44:04,663 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 93 100) no Hoare annotation was computed. [2020-10-28 16:44:04,663 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 78 84) no Hoare annotation was computed. [2020-10-28 16:44:04,663 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 78 84) the Hoare annotation is: true [2020-10-28 16:44:04,663 INFO L270 CegarLoopResult]: At program point testENTRY(lines 161 224) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,663 INFO L270 CegarLoopResult]: At program point L217(lines 170 218) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:44:04,663 INFO L274 CegarLoopResult]: For program point testFINAL(lines 161 224) no Hoare annotation was computed. [2020-10-28 16:44:04,664 INFO L274 CegarLoopResult]: For program point L207(lines 207 211) no Hoare annotation was computed. [2020-10-28 16:44:04,664 INFO L270 CegarLoopResult]: At program point L207-2(lines 201 212) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,664 INFO L274 CegarLoopResult]: For program point L172(lines 171 216) no Hoare annotation was computed. [2020-10-28 16:44:04,664 INFO L274 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-10-28 16:44:04,664 INFO L270 CegarLoopResult]: At program point L193(line 193) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,664 INFO L274 CegarLoopResult]: For program point L191(lines 191 197) no Hoare annotation was computed. [2020-10-28 16:44:04,664 INFO L274 CegarLoopResult]: For program point L191-1(lines 191 197) no Hoare annotation was computed. [2020-10-28 16:44:04,664 INFO L270 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,665 INFO L270 CegarLoopResult]: At program point L214(lines 171 216) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,665 INFO L274 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed. [2020-10-28 16:44:04,665 INFO L274 CegarLoopResult]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2020-10-28 16:44:04,665 INFO L274 CegarLoopResult]: For program point L173(lines 173 177) no Hoare annotation was computed. [2020-10-28 16:44:04,665 INFO L274 CegarLoopResult]: For program point testEXIT(lines 161 224) no Hoare annotation was computed. [2020-10-28 16:44:04,665 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 699 700) no Hoare annotation was computed. [2020-10-28 16:44:04,665 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 706 707) no Hoare annotation was computed. [2020-10-28 16:44:04,665 INFO L274 CegarLoopResult]: For program point L699(lines 699 700) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 675 720) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point L695(lines 695 702) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 675 720) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point L689(lines 689 709) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 675 720) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point L689-1(lines 689 709) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point L706(lines 706 707) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point L385(lines 385 391) no Hoare annotation was computed. [2020-10-28 16:44:04,666 INFO L274 CegarLoopResult]: For program point L384(lines 384 394) no Hoare annotation was computed. [2020-10-28 16:44:04,667 INFO L270 CegarLoopResult]: At program point L382(line 382) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-28 16:44:04,667 INFO L274 CegarLoopResult]: For program point L382-1(line 382) no Hoare annotation was computed. [2020-10-28 16:44:04,667 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-28 16:44:04,667 INFO L274 CegarLoopResult]: For program point L380-1(lines 372 400) no Hoare annotation was computed. [2020-10-28 16:44:04,667 INFO L270 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-28 16:44:04,667 INFO L274 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-10-28 16:44:04,667 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 372 400) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-28 16:44:04,667 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 372 400) no Hoare annotation was computed. [2020-10-28 16:44:04,667 INFO L270 CegarLoopResult]: At program point L387(line 387) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 816 838) no Hoare annotation was computed. [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point L824(lines 824 832) no Hoare annotation was computed. [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point L824-2(lines 824 832) no Hoare annotation was computed. [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 816 838) no Hoare annotation was computed. [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 816 838) no Hoare annotation was computed. [2020-10-28 16:44:04,668 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 364 371) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 364 371) no Hoare annotation was computed. [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 364 371) no Hoare annotation was computed. [2020-10-28 16:44:04,668 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 230 239) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 230 239) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 230 239) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 572 674) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point L601(lines 601 617) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point L661(lines 661 668) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point L622(lines 621 641) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point L618(lines 618 659) no Hoare annotation was computed. [2020-10-28 16:44:04,669 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 572 674) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point L637(line 637) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point L660(lines 660 671) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 572 674) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point L623(lines 623 627) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point L621-2(lines 621 641) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point L642(lines 620 643) no Hoare annotation was computed. [2020-10-28 16:44:04,670 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:44:04,671 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:44:04,671 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:44:04,671 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 85 92) no Hoare annotation was computed. [2020-10-28 16:44:04,671 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 85 92) no Hoare annotation was computed. [2020-10-28 16:44:04,671 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 85 92) no Hoare annotation was computed. [2020-10-28 16:44:04,671 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 839 847) no Hoare annotation was computed. [2020-10-28 16:44:04,671 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 839 847) no Hoare annotation was computed. [2020-10-28 16:44:04,672 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 839 847) no Hoare annotation was computed. [2020-10-28 16:44:04,672 INFO L274 CegarLoopResult]: For program point L799-1(lines 795 806) no Hoare annotation was computed. [2020-10-28 16:44:04,672 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 795 806) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:44:04,672 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 795 806) no Hoare annotation was computed. [2020-10-28 16:44:04,672 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:44:04,672 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:44:04,672 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:44:04,672 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 807 815) the Hoare annotation is: true [2020-10-28 16:44:04,672 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 807 815) no Hoare annotation was computed. [2020-10-28 16:44:04,673 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 807 815) no Hoare annotation was computed. [2020-10-28 16:44:04,673 INFO L270 CegarLoopResult]: At program point L65(lines 65 71) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,673 INFO L270 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:44:04,673 INFO L274 CegarLoopResult]: For program point L58(lines 57 76) no Hoare annotation was computed. [2020-10-28 16:44:04,673 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,673 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2020-10-28 16:44:04,673 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2020-10-28 16:44:04,673 INFO L270 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,673 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 265 294) no Hoare annotation was computed. [2020-10-28 16:44:04,674 INFO L274 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-10-28 16:44:04,674 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 265 294) the Hoare annotation is: true [2020-10-28 16:44:04,674 INFO L274 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-10-28 16:44:04,674 INFO L277 CegarLoopResult]: At program point L279-1(lines 279 283) the Hoare annotation is: true [2020-10-28 16:44:04,674 INFO L274 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-10-28 16:44:04,674 INFO L277 CegarLoopResult]: At program point L275-2(lines 275 289) the Hoare annotation is: true [2020-10-28 16:44:04,674 INFO L277 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: true [2020-10-28 16:44:04,674 INFO L274 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-10-28 16:44:04,674 INFO L277 CegarLoopResult]: At program point L290(lines 265 294) the Hoare annotation is: true [2020-10-28 16:44:04,674 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 771 782) the Hoare annotation is: true [2020-10-28 16:44:04,675 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 771 782) no Hoare annotation was computed. [2020-10-28 16:44:04,675 INFO L274 CegarLoopResult]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2020-10-28 16:44:04,675 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 319 325) no Hoare annotation was computed. [2020-10-28 16:44:04,675 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 319 325) the Hoare annotation is: true [2020-10-28 16:44:04,675 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:44:04,675 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-28 16:44:04,675 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:44:04,675 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:44:04,675 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 783 794) no Hoare annotation was computed. [2020-10-28 16:44:04,676 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 783 794) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:44:04,676 INFO L274 CegarLoopResult]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2020-10-28 16:44:04,676 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 849 856) no Hoare annotation was computed. [2020-10-28 16:44:04,676 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 849 856) the Hoare annotation is: true [2020-10-28 16:44:04,676 INFO L274 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-28 16:44:04,676 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 849 856) no Hoare annotation was computed. [2020-10-28 16:44:04,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:44:04 BoogieIcfgContainer [2020-10-28 16:44:04,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:44:04,694 INFO L168 Benchmark]: Toolchain (without parser) took 36467.35 ms. Allocated memory was 151.0 MB in the beginning and 619.7 MB in the end (delta: 468.7 MB). Free memory was 105.8 MB in the beginning and 559.3 MB in the end (delta: -453.5 MB). Peak memory consumption was 348.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:44:04,694 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:44:04,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.46 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 127.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:44:04,696 INFO L168 Benchmark]: Boogie Preprocessor took 94.37 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 123.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:44:04,697 INFO L168 Benchmark]: RCFGBuilder took 1313.88 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 96.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 54.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:44:04,698 INFO L168 Benchmark]: TraceAbstraction took 34389.99 ms. Allocated memory was 151.0 MB in the beginning and 619.7 MB in the end (delta: 468.7 MB). Free memory was 96.4 MB in the beginning and 559.3 MB in the end (delta: -462.9 MB). Peak memory consumption was 338.3 MB. Max. memory is 8.0 GB. [2020-10-28 16:44:04,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 655.46 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 127.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 94.37 ms. Allocated memory is still 151.0 MB. Free memory was 127.4 MB in the beginning and 123.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1313.88 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 96.9 MB in the end (delta: 26.7 MB). Peak memory consumption was 54.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 34389.99 ms. Allocated memory was 151.0 MB in the beginning and 619.7 MB in the end (delta: 468.7 MB). Free memory was 96.4 MB in the beginning and 559.3 MB in the end (delta: -462.9 MB). Peak memory consumption was 338.3 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: 706]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 699]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 745]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 752]: 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: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || splverifierCounter <= 0) || !(1 == systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 362 SDslu, 195 SDs, 0 SdLazy, 616 SolverSat, 218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 80 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 143 PreInvPairs, 161 NumberOfFragments, 576 HoareAnnotationTreeSize, 143 FomulaSimplifications, 17284 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5244 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 63165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...