/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_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:39:09,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:39:09,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:39:09,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:39:09,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:39:09,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:39:09,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:39:09,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:39:09,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:39:09,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:39:09,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:39:09,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:39:09,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:39:09,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:39:09,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:39:09,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:39:09,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:39:09,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:39:09,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:39:09,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:39:09,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:39:09,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:39:09,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:39:09,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:39:09,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:39:09,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:39:09,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:39:09,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:39:09,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:39:09,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:39:09,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:39:09,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:39:09,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:39:09,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:39:09,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:39:09,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:39:09,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:39:09,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:39:09,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:39:09,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:39:09,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:39:09,800 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 16:39:09,851 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:39:09,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:39:09,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:39:09,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:39:09,855 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:39:09,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:39:09,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:39:09,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:39:09,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:39:09,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:39:09,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:39:09,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:39:09,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:39:09,858 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:39:09,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:39:09,858 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:39:09,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:39:09,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:39:09,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:39:09,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:39:09,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:39:09,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:39:09,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:39:09,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:39:09,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:39:09,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:39:09,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:39:09,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:39:09,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:39:09,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:39:10,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:39:10,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:39:10,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:39:10,307 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:39:10,308 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:39:10,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-10-28 16:39:10,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e0eaf856/78d773ff8dbf4732b46a42ed8d397eb9/FLAG16827e71b [2020-10-28 16:39:11,037 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:39:11,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-10-28 16:39:11,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e0eaf856/78d773ff8dbf4732b46a42ed8d397eb9/FLAG16827e71b [2020-10-28 16:39:11,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e0eaf856/78d773ff8dbf4732b46a42ed8d397eb9 [2020-10-28 16:39:11,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:39:11,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:39:11,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:11,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:39:11,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:39:11,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:11" (1/1) ... [2020-10-28 16:39:11,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f1ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:11, skipping insertion in model container [2020-10-28 16:39:11,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:11" (1/1) ... [2020-10-28 16:39:11,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:39:11,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:39:11,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:11,845 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:39:11,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:12,034 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:39:12,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12 WrapperNode [2020-10-28 16:39:12,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:12,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:39:12,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:39:12,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:39:12,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (1/1) ... [2020-10-28 16:39:12,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (1/1) ... [2020-10-28 16:39:12,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (1/1) ... [2020-10-28 16:39:12,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (1/1) ... [2020-10-28 16:39:12,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (1/1) ... [2020-10-28 16:39:12,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (1/1) ... [2020-10-28 16:39:12,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (1/1) ... [2020-10-28 16:39:12,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:39:12,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:39:12,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:39:12,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:39:12,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (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 16:39:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:39:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:39:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:39:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:39:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:39:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:39:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:39:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:39:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:39:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:39:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:39:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:39:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:39:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:39:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:39:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:39:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:39:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:39:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:39:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:39:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:39:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:39:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:39:12,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:39:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:39:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 16:39:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:39:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:39:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:39:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:39:12,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:39:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:39:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:12,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:39:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:39:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:39:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:39:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:39:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:39:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:39:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:39:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:39:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:39:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:39:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:39:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:39:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:39:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:39:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:39:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:39:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:39:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:39:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:39:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:39:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:39:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:39:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:39:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:39:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:39:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:39:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:39:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:39:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:39:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:39:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:39:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:39:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:39:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:39:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:39:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:39:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:39:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:39:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:39:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:39:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:39:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:39:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 16:39:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:39:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:39:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:39:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:39:13,558 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:39:13,558 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:39:13,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:13 BoogieIcfgContainer [2020-10-28 16:39:13,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:39:13,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:39:13,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:39:13,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:39:13,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:39:11" (1/3) ... [2020-10-28 16:39:13,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c93941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:13, skipping insertion in model container [2020-10-28 16:39:13,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:12" (2/3) ... [2020-10-28 16:39:13,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c93941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:13, skipping insertion in model container [2020-10-28 16:39:13,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:13" (3/3) ... [2020-10-28 16:39:13,580 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2020-10-28 16:39:13,592 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:39:13,598 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:39:13,611 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:39:13,645 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:39:13,645 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:39:13,645 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:39:13,646 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:39:13,646 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:39:13,646 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:39:13,646 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:39:13,646 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:39:13,668 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-10-28 16:39:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:39:13,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:13,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:39:13,678 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 16:39:13,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:13,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1677453481, now seen corresponding path program 1 times [2020-10-28 16:39:13,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:13,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277094821] [2020-10-28 16:39:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:14,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:14,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:16,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:17,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:39:19,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 16:39:19,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:39:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:39:19,682 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:19,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:19,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:19,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:39:19,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:19,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:19,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:19,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:19,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:19,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:19,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:19,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:19,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:19,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:19,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:19,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:19,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:19,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:19,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:19,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:39:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:19,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:19,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:19,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:19,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:19,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:19,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:19,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:19,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:19,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:19,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:19,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:19,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:19,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:19,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:19,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:19,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:19,808 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 16:39:19,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277094821] [2020-10-28 16:39:19,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:19,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:39:19,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025889670] [2020-10-28 16:39:19,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:39:19,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:19,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:39:19,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:19,838 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-10-28 16:39:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:21,609 INFO L93 Difference]: Finished difference Result 251 states and 333 transitions. [2020-10-28 16:39:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:39:21,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:39:21,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:21,625 INFO L225 Difference]: With dead ends: 251 [2020-10-28 16:39:21,625 INFO L226 Difference]: Without dead ends: 135 [2020-10-28 16:39:21,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:21,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-28 16:39:21,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 104. [2020-10-28 16:39:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-28 16:39:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-10-28 16:39:21,726 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 47 [2020-10-28 16:39:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:21,726 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-10-28 16:39:21,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:39:21,726 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-10-28 16:39:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:39:21,730 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:21,730 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] [2020-10-28 16:39:21,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:39:21,730 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 16:39:21,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:21,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1238946715, now seen corresponding path program 1 times [2020-10-28 16:39:21,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:21,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710091528] [2020-10-28 16:39:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:21,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:22,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:24,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:26,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:26,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:39:26,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 16:39:26,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:26,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:39:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:26,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:27,157 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:27,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 16:39:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:27,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:27,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:39:27,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:27,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:27,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:27,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:27,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:27,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:27,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:27,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:27,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:27,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:39:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:27,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:27,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:27,302 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 16:39:27,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710091528] [2020-10-28 16:39:27,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:27,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:39:27,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81960807] [2020-10-28 16:39:27,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:39:27,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:27,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:39:27,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:39:27,308 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-10-28 16:39:27,955 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:28,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:28,796 INFO L93 Difference]: Finished difference Result 177 states and 216 transitions. [2020-10-28 16:39:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:28,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:39:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:28,801 INFO L225 Difference]: With dead ends: 177 [2020-10-28 16:39:28,801 INFO L226 Difference]: Without dead ends: 119 [2020-10-28 16:39:28,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:28,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-28 16:39:28,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 95. [2020-10-28 16:39:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-28 16:39:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-10-28 16:39:28,856 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 48 [2020-10-28 16:39:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:28,856 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-10-28 16:39:28,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:39:28,857 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-10-28 16:39:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:39:28,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:28,859 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 16:39:28,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:39:28,860 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 16:39:28,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:28,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1946254941, now seen corresponding path program 1 times [2020-10-28 16:39:28,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:28,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838296418] [2020-10-28 16:39:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:28,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:29,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:29,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:39:31,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:31,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2293 [2020-10-28 16:39:31,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:39:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:39:31,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,569 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:31,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:31,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:31,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:31,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-28 16:39:31,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:31,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:31,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:31,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:31,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:31,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:31,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:31,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:31,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:31,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:31,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:31,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:31,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:31,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:31,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:31,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:31,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:31,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:31,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:31,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:31,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:31,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:31,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:31,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:31,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:31,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:31,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:31,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:31,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:31,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:31,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:31,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:39:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:31,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:31,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:31,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:31,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:31,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:31,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:31,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:31,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:31,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:31,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:31,727 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 16:39:31,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838296418] [2020-10-28 16:39:31,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:31,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:39:31,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617387264] [2020-10-28 16:39:31,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:39:31,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:31,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:39:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:31,731 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 5 states. [2020-10-28 16:39:32,147 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:39:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:33,012 INFO L93 Difference]: Finished difference Result 190 states and 234 transitions. [2020-10-28 16:39:33,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:33,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:39:33,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:33,015 INFO L225 Difference]: With dead ends: 190 [2020-10-28 16:39:33,016 INFO L226 Difference]: Without dead ends: 119 [2020-10-28 16:39:33,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:39:33,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-28 16:39:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 95. [2020-10-28 16:39:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-28 16:39:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-10-28 16:39:33,056 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 53 [2020-10-28 16:39:33,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:33,057 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-10-28 16:39:33,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:39:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-10-28 16:39:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 16:39:33,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:33,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:39:33,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:39:33,060 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 16:39:33,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:33,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2057071978, now seen corresponding path program 1 times [2020-10-28 16:39:33,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:33,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130649258] [2020-10-28 16:39:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:33,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 16:39:37,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:37,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4216 [2020-10-28 16:39:37,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:39:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:39:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:39:37,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,733 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:37,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:37,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:39:37,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:37,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:37,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:37,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:37,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:37,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:37,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:37,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:37,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:37,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:37,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:37,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:37,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:37,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:37,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:39:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:37,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:39:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:37,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:37,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:37,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:37,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:39:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:37,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:37,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 16:39:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:37,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:37,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:37,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:39:37,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:37,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:39:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:37,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:37,909 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 16:39:37,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130649258] [2020-10-28 16:39:37,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:37,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:39:37,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63406106] [2020-10-28 16:39:37,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:39:37,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:37,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:39:37,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:39:37,912 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2020-10-28 16:39:38,499 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:39,529 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:39:39,941 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:39:40,325 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:39:40,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:40,464 INFO L93 Difference]: Finished difference Result 162 states and 197 transitions. [2020-10-28 16:39:40,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:39:40,465 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-28 16:39:40,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:40,466 INFO L225 Difference]: With dead ends: 162 [2020-10-28 16:39:40,466 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:39:40,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:39:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:39:40,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:39:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:39:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:39:40,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-10-28 16:39:40,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:40,469 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:39:40,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:39:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:39:40,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:39:40,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:39:40,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:39:41,960 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 16:39:42,219 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:42,510 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:42,765 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:43,071 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 13 [2020-10-28 16:39:43,420 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:43,668 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:39:43,945 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:39:44,208 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:39:44,507 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:44,764 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:39:45,031 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:45,327 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:45,610 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:45,866 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 16:39:46,178 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:46,469 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:39:46,473 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:39:46,474 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:39:46,474 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:39:46,474 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:39:46,474 INFO L274 CegarLoopResult]: For program point L211(lines 211 215) no Hoare annotation was computed. [2020-10-28 16:39:46,474 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 180 235) no Hoare annotation was computed. [2020-10-28 16:39:46,474 INFO L274 CegarLoopResult]: For program point L211-1(lines 211 215) no Hoare annotation was computed. [2020-10-28 16:39:46,475 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-28 16:39:46,475 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 226) no Hoare annotation was computed. [2020-10-28 16:39:46,475 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 180 235) no Hoare annotation was computed. [2020-10-28 16:39:46,475 INFO L274 CegarLoopResult]: For program point L227(lines 204 228) no Hoare annotation was computed. [2020-10-28 16:39:46,475 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 180 235) no Hoare annotation was computed. [2020-10-28 16:39:46,475 INFO L274 CegarLoopResult]: For program point L288(lines 261 289) no Hoare annotation was computed. [2020-10-28 16:39:46,475 INFO L274 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-10-28 16:39:46,476 INFO L274 CegarLoopResult]: For program point L281-1(line 281) no Hoare annotation was computed. [2020-10-28 16:39:46,476 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 236 295) no Hoare annotation was computed. [2020-10-28 16:39:46,476 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 236 295) no Hoare annotation was computed. [2020-10-28 16:39:46,476 INFO L274 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-10-28 16:39:46,476 INFO L274 CegarLoopResult]: For program point L268-1(lines 268 272) no Hoare annotation was computed. [2020-10-28 16:39:46,476 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 236 295) no Hoare annotation was computed. [2020-10-28 16:39:46,477 INFO L274 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-10-28 16:39:46,477 INFO L274 CegarLoopResult]: For program point L262-2(lines 262 287) no Hoare annotation was computed. [2020-10-28 16:39:46,477 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 515 521) the Hoare annotation is: true [2020-10-28 16:39:46,477 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 515 521) no Hoare annotation was computed. [2020-10-28 16:39:46,477 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 522 530) no Hoare annotation was computed. [2020-10-28 16:39:46,477 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 522 530) the Hoare annotation is: true [2020-10-28 16:39:46,478 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 522 530) no Hoare annotation was computed. [2020-10-28 16:39:46,478 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 607 629) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,478 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 607 629) no Hoare annotation was computed. [2020-10-28 16:39:46,478 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 607 629) no Hoare annotation was computed. [2020-10-28 16:39:46,478 INFO L270 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,479 INFO L270 CegarLoopResult]: At program point L619-1(line 619) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,479 INFO L274 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-10-28 16:39:46,479 INFO L274 CegarLoopResult]: For program point L617-1(lines 617 624) no Hoare annotation was computed. [2020-10-28 16:39:46,479 INFO L274 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-28 16:39:46,479 INFO L270 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,479 INFO L270 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,479 INFO L270 CegarLoopResult]: At program point L613-1(line 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 565 588) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 565 588) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 565 588) no Hoare annotation was computed. [2020-10-28 16:39:46,480 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 730 736) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 730 736) the Hoare annotation is: true [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 763 770) no Hoare annotation was computed. [2020-10-28 16:39:46,481 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 763 770) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 763 770) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point L835-2(lines 835 843) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point L823(lines 823 831) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 816 851) no Hoare annotation was computed. [2020-10-28 16:39:46,482 INFO L274 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 816 851) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point L835(lines 835 843) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 816 851) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 508 514) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 508 514) the Hoare annotation is: true [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 134 179) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 134 179) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 134 179) no Hoare annotation was computed. [2020-10-28 16:39:46,483 INFO L274 CegarLoopResult]: For program point L478(lines 478 479) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 447 492) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point L471(lines 471 472) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point L467(lines 467 474) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 471 472) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 478 479) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point L461(lines 461 481) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point L461-1(lines 461 481) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 447 492) no Hoare annotation was computed. [2020-10-28 16:39:46,484 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 447 492) no Hoare annotation was computed. [2020-10-28 16:39:46,485 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 597 606) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,485 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 597 606) no Hoare annotation was computed. [2020-10-28 16:39:46,485 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 597 606) no Hoare annotation was computed. [2020-10-28 16:39:46,485 INFO L277 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: true [2020-10-28 16:39:46,485 INFO L274 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-10-28 16:39:46,485 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 796 806) the Hoare annotation is: true [2020-10-28 16:39:46,485 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 796 806) no Hoare annotation was computed. [2020-10-28 16:39:46,485 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 796 806) no Hoare annotation was computed. [2020-10-28 16:39:46,485 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: true [2020-10-28 16:39:46,486 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2020-10-28 16:39:46,486 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2020-10-28 16:39:46,486 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 738 762) no Hoare annotation was computed. [2020-10-28 16:39:46,486 INFO L270 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:39:46,486 INFO L274 CegarLoopResult]: For program point L757-1(lines 738 762) no Hoare annotation was computed. [2020-10-28 16:39:46,486 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 738 762) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 16:39:46,486 INFO L270 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:46,486 INFO L270 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:46,487 INFO L274 CegarLoopResult]: For program point L746(lines 746 754) no Hoare annotation was computed. [2020-10-28 16:39:46,487 INFO L270 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:46,487 INFO L274 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-10-28 16:39:46,487 INFO L274 CegarLoopResult]: For program point L742(lines 742 759) no Hoare annotation was computed. [2020-10-28 16:39:46,487 INFO L270 CegarLoopResult]: At program point testENTRY(lines 632 697) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:39:46,487 INFO L274 CegarLoopResult]: For program point testFINAL(lines 632 697) no Hoare annotation was computed. [2020-10-28 16:39:46,487 INFO L270 CegarLoopResult]: At program point L690(lines 641 691) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:46,487 INFO L274 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-10-28 16:39:46,488 INFO L270 CegarLoopResult]: At program point L680-2(lines 672 685) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:46,488 INFO L274 CegarLoopResult]: For program point L643(lines 642 689) no Hoare annotation was computed. [2020-10-28 16:39:46,488 INFO L270 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:46,488 INFO L274 CegarLoopResult]: For program point L672(lines 672 685) no Hoare annotation was computed. [2020-10-28 16:39:46,488 INFO L270 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:46,488 INFO L274 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-10-28 16:39:46,488 INFO L274 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-10-28 16:39:46,489 INFO L270 CegarLoopResult]: At program point L687(lines 642 689) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:46,489 INFO L270 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:46,489 INFO L274 CegarLoopResult]: For program point L652(lines 652 658) no Hoare annotation was computed. [2020-10-28 16:39:46,489 INFO L274 CegarLoopResult]: For program point L652-1(lines 652 658) no Hoare annotation was computed. [2020-10-28 16:39:46,489 INFO L274 CegarLoopResult]: For program point L644(lines 644 648) no Hoare annotation was computed. [2020-10-28 16:39:46,489 INFO L274 CegarLoopResult]: For program point testEXIT(lines 632 697) no Hoare annotation was computed. [2020-10-28 16:39:46,489 INFO L274 CegarLoopResult]: For program point L415(lines 415 435) no Hoare annotation was computed. [2020-10-28 16:39:46,489 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 425 426) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point L415-1(lines 415 435) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 432 433) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 401 446) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 401 446) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 401 446) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point L432(lines 432 433) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point L425(lines 425 426) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point L421(lines 421 428) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:39:46,490 INFO L274 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 298 400) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point L347-2(lines 347 367) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point L368(lines 346 369) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point L327(lines 327 343) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 298 400) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point L387(lines 387 394) no Hoare annotation was computed. [2020-10-28 16:39:46,491 INFO L274 CegarLoopResult]: For program point L348(lines 347 367) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point L379-1(line 379) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point L344(lines 344 385) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 298 400) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point L363-1(line 363) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point L322(lines 322 326) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point L386(lines 386 397) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 498 507) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 498 507) no Hoare annotation was computed. [2020-10-28 16:39:46,492 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 498 507) no Hoare annotation was computed. [2020-10-28 16:39:46,493 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:46,493 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:39:46,493 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:46,493 INFO L274 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-10-28 16:39:46,493 INFO L274 CegarLoopResult]: For program point L782-1(lines 771 787) no Hoare annotation was computed. [2020-10-28 16:39:46,493 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 771 787) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point L778(lines 778 784) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 771 787) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:39:46,494 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:39:46,494 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:39:46,495 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:46,495 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:39:46,495 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:46,495 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-10-28 16:39:46,495 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:39:46,495 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:39:46,495 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 706 729) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:39:46,495 INFO L270 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:39:46,496 INFO L270 CegarLoopResult]: At program point L717(lines 717 723) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 16:39:46,496 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 706 729) no Hoare annotation was computed. [2020-10-28 16:39:46,496 INFO L270 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:46,496 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 706 729) no Hoare annotation was computed. [2020-10-28 16:39:46,496 INFO L274 CegarLoopResult]: For program point L710(lines 709 728) no Hoare annotation was computed. [2020-10-28 16:39:46,496 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-28 16:39:46,496 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 534 563) no Hoare annotation was computed. [2020-10-28 16:39:46,496 INFO L277 CegarLoopResult]: At program point L544-2(lines 544 558) the Hoare annotation is: true [2020-10-28 16:39:46,496 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 534 563) the Hoare annotation is: true [2020-10-28 16:39:46,496 INFO L277 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: true [2020-10-28 16:39:46,497 INFO L274 CegarLoopResult]: For program point L540-1(line 540) no Hoare annotation was computed. [2020-10-28 16:39:46,497 INFO L277 CegarLoopResult]: At program point L559(lines 534 563) the Hoare annotation is: true [2020-10-28 16:39:46,497 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 16:39:46,497 INFO L274 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-10-28 16:39:46,497 INFO L277 CegarLoopResult]: At program point L548-1(lines 548 552) the Hoare annotation is: true [2020-10-28 16:39:46,497 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2020-10-28 16:39:46,497 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:39:46,497 INFO L274 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:39:46,497 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 589 595) no Hoare annotation was computed. [2020-10-28 16:39:46,497 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 589 595) the Hoare annotation is: true [2020-10-28 16:39:46,497 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:46,498 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 16:39:46,498 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:39:46,498 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:46,498 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 852 859) no Hoare annotation was computed. [2020-10-28 16:39:46,498 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 852 859) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:46,498 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 852 859) no Hoare annotation was computed. [2020-10-28 16:39:46,498 INFO L274 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:39:46,498 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:39:46,499 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:46,499 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 888 895) no Hoare annotation was computed. [2020-10-28 16:39:46,499 INFO L274 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-10-28 16:39:46,499 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 888 895) the Hoare annotation is: true [2020-10-28 16:39:46,499 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 888 895) no Hoare annotation was computed. [2020-10-28 16:39:46,499 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 862 886) the Hoare annotation is: true [2020-10-28 16:39:46,499 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 862 886) no Hoare annotation was computed. [2020-10-28 16:39:46,499 INFO L270 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-28 16:39:46,499 INFO L274 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-10-28 16:39:46,499 INFO L277 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-10-28 16:39:46,499 INFO L274 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-10-28 16:39:46,500 INFO L274 CegarLoopResult]: For program point L870(lines 870 883) no Hoare annotation was computed. [2020-10-28 16:39:46,500 INFO L274 CegarLoopResult]: For program point L870-1(lines 862 886) no Hoare annotation was computed. [2020-10-28 16:39:46,500 INFO L277 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: true [2020-10-28 16:39:46,500 INFO L274 CegarLoopResult]: For program point L868-1(line 868) no Hoare annotation was computed. [2020-10-28 16:39:46,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:39:46 BoogieIcfgContainer [2020-10-28 16:39:46,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:39:46,523 INFO L168 Benchmark]: Toolchain (without parser) took 35125.74 ms. Allocated memory was 159.4 MB in the beginning and 659.6 MB in the end (delta: 500.2 MB). Free memory was 133.2 MB in the beginning and 285.2 MB in the end (delta: -152.0 MB). Peak memory consumption was 395.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:46,525 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 159.4 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:39:46,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.58 ms. Allocated memory is still 159.4 MB. Free memory was 132.5 MB in the beginning and 112.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:46,527 INFO L168 Benchmark]: Boogie Preprocessor took 81.08 ms. Allocated memory is still 159.4 MB. Free memory was 112.6 MB in the beginning and 108.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:46,528 INFO L168 Benchmark]: RCFGBuilder took 1445.79 ms. Allocated memory is still 159.4 MB. Free memory was 108.6 MB in the beginning and 58.9 MB in the end (delta: 49.7 MB). Peak memory consumption was 51.3 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:46,529 INFO L168 Benchmark]: TraceAbstraction took 32952.03 ms. Allocated memory was 159.4 MB in the beginning and 659.6 MB in the end (delta: 500.2 MB). Free memory was 58.4 MB in the beginning and 285.2 MB in the end (delta: -226.8 MB). Peak memory consumption was 320.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:46,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 159.4 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 631.58 ms. Allocated memory is still 159.4 MB. Free memory was 132.5 MB in the beginning and 112.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 81.08 ms. Allocated memory is still 159.4 MB. Free memory was 112.6 MB in the beginning and 108.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1445.79 ms. Allocated memory is still 159.4 MB. Free memory was 108.6 MB in the beginning and 58.9 MB in the end (delta: 49.7 MB). Peak memory consumption was 51.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32952.03 ms. Allocated memory was 159.4 MB in the beginning and 659.6 MB in the end (delta: 500.2 MB). Free memory was 58.4 MB in the beginning and 285.2 MB in the end (delta: -226.8 MB). Peak memory consumption was 320.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 432]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 425]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 471]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 478]: 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: 642]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 227 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 461 SDslu, 92 SDs, 0 SdLazy, 581 SolverSat, 314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 174 PreInvPairs, 190 NumberOfFragments, 790 HoareAnnotationTreeSize, 174 FomulaSimplifications, 8119 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 5481 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 60262 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...