/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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:39:17,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:39:17,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:39:17,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:39:17,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:39:17,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:39:17,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:39:17,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:39:17,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:39:17,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:39:17,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:39:17,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:39:17,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:39:17,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:39:17,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:39:17,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:39:17,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:39:17,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:39:17,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:39:17,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:39:17,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:39:17,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:39:17,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:39:17,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:39:17,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:39:17,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:39:17,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:39:17,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:39:17,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:39:17,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:39:17,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:39:17,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:39:17,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:39:17,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:39:17,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:39:17,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:39:17,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:39:17,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:39:17,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:39:17,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:39:17,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:39:17,206 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 16:39:17,258 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:39:17,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:39:17,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:39:17,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:39:17,264 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:39:17,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:39:17,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:39:17,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:39:17,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:39:17,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:39:17,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:39:17,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:39:17,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:39:17,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:39:17,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:39:17,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:39:17,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:39:17,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:39:17,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:39:17,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:39:17,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:39:17,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:39:17,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:39:17,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:39:17,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:39:17,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:39:17,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:39:17,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:39:17,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:39:17,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:39:17,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:39:17,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:39:17,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:39:17,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:39:17,725 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:39:17,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-10-28 16:39:17,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/788a9a70e/a6be6d1441cf4ed2b58d9823888fb32f/FLAG7d2de0934 [2020-10-28 16:39:18,557 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:39:18,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-10-28 16:39:18,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/788a9a70e/a6be6d1441cf4ed2b58d9823888fb32f/FLAG7d2de0934 [2020-10-28 16:39:18,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/788a9a70e/a6be6d1441cf4ed2b58d9823888fb32f [2020-10-28 16:39:18,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:39:18,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:39:18,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:18,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:39:18,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:39:18,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:18" (1/1) ... [2020-10-28 16:39:18,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eed4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:18, skipping insertion in model container [2020-10-28 16:39:18,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:39:18" (1/1) ... [2020-10-28 16:39:18,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:39:18,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:39:19,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:19,301 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:39:19,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:39:19,447 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:39:19,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19 WrapperNode [2020-10-28 16:39:19,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:39:19,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:39:19,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:39:19,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:39:19,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (1/1) ... [2020-10-28 16:39:19,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (1/1) ... [2020-10-28 16:39:19,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (1/1) ... [2020-10-28 16:39:19,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (1/1) ... [2020-10-28 16:39:19,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (1/1) ... [2020-10-28 16:39:19,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (1/1) ... [2020-10-28 16:39:19,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (1/1) ... [2020-10-28 16:39:19,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:39:19,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:39:19,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:39:19,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:39:19,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (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 16:39:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:39:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:39:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:39:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:39:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:39:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:39:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:39:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:39:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:39:19,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:39:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:39:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:39:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:39:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:39:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:39:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:39:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:39:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:39:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:39:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:39:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:39:19,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:39:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:39:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:39:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:39:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 16:39:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:39:19,718 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:39:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:39:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:39:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:39:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:39:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:39:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:39:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:39:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:39:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:39:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:39:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:39:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:39:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:39:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:39:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:39:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:39:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:39:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:39:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:39:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:39:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:39:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:39:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:39:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:39:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:39:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:39:19,725 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:39:19,725 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:39:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:39:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:39:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:39:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:39:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:39:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:39:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:39:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:39:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:39:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:39:19,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:39:19,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:39:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:39:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:39:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:39:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:39:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:39:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:39:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:39:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:39:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:39:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:39:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:39:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:39:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:39:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:39:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:39:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 16:39:19,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:39:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:39:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:39:21,026 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:39:21,027 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:39:21,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:21 BoogieIcfgContainer [2020-10-28 16:39:21,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:39:21,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:39:21,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:39:21,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:39:21,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:39:18" (1/3) ... [2020-10-28 16:39:21,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3fc24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:21, skipping insertion in model container [2020-10-28 16:39:21,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:39:19" (2/3) ... [2020-10-28 16:39:21,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3fc24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:39:21, skipping insertion in model container [2020-10-28 16:39:21,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:39:21" (3/3) ... [2020-10-28 16:39:21,039 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-10-28 16:39:21,051 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:39:21,056 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:39:21,109 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:39:21,136 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:39:21,137 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:39:21,137 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:39:21,137 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:39:21,137 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:39:21,137 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:39:21,137 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:39:21,138 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:39:21,161 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-28 16:39:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:39:21,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:21,172 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 16:39:21,172 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 16:39:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:21,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1926923886, now seen corresponding path program 1 times [2020-10-28 16:39:21,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:21,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390730482] [2020-10-28 16:39:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:21,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:24,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:26,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:26,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:39:26,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 16:39:26,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:26,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:26,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:39:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:26,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:39:26,909 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:26,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:26,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 16:39:27,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:27,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:27,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:27,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:27,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:27,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:27,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:27,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:27,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:39:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:27,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:27,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:27,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:27,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:27,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:27,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:27,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:27,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:27,109 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 16:39:27,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390730482] [2020-10-28 16:39:27,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:27,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:39:27,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638846959] [2020-10-28 16:39:27,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:39:27,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:27,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:39:27,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:27,139 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-28 16:39:28,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:28,568 INFO L93 Difference]: Finished difference Result 265 states and 352 transitions. [2020-10-28 16:39:28,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:39:28,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:39:28,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:28,585 INFO L225 Difference]: With dead ends: 265 [2020-10-28 16:39:28,586 INFO L226 Difference]: Without dead ends: 143 [2020-10-28 16:39:28,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:39:28,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-28 16:39:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 110. [2020-10-28 16:39:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 16:39:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-10-28 16:39:28,688 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 47 [2020-10-28 16:39:28,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:28,689 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-10-28 16:39:28,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:39:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-10-28 16:39:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:39:28,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:28,693 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 16:39:28,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:39:28,694 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 16:39:28,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:28,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1635460859, now seen corresponding path program 1 times [2020-10-28 16:39:28,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:28,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794030396] [2020-10-28 16:39:28,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:28,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:29,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:30,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:31,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:33,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:33,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:39:33,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:39:33,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 16:39:33,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:33,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:39:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:39:33,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:34,152 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:34,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:34,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:34,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:34,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:34,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 16:39:34,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:34,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:34,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:34,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:34,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:34,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:34,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:34,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:34,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:34,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:34,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:34,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:34,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:34,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:34,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:34,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:34,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:34,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:34,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:34,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:34,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:34,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:34,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:34,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:34,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:34,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:34,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:34,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:34,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:34,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:39:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:34,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:34,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:34,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:34,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:34,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:34,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:34,272 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 16:39:34,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794030396] [2020-10-28 16:39:34,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:34,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:39:34,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996531392] [2020-10-28 16:39:34,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:39:34,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:34,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:39:34,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:39:34,277 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-10-28 16:39:35,099 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:36,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:36,069 INFO L93 Difference]: Finished difference Result 185 states and 227 transitions. [2020-10-28 16:39:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:36,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:39:36,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:36,078 INFO L225 Difference]: With dead ends: 185 [2020-10-28 16:39:36,079 INFO L226 Difference]: Without dead ends: 127 [2020-10-28 16:39:36,080 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 16:39:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-28 16:39:36,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 101. [2020-10-28 16:39:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-28 16:39:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-10-28 16:39:36,156 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 48 [2020-10-28 16:39:36,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:36,157 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-10-28 16:39:36,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:39:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-10-28 16:39:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:39:36,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:36,168 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 16:39:36,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:39:36,168 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 16:39:36,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:36,169 INFO L82 PathProgramCache]: Analyzing trace with hash 115973399, now seen corresponding path program 1 times [2020-10-28 16:39:36,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:36,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18999640] [2020-10-28 16:39:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:36,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:36,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:37,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:38,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:38,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:39:38,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:38,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2338 [2020-10-28 16:39:38,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:38,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:39:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:39:38,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:39:39,010 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:39,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:39,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:39,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:39,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-28 16:39:39,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:39,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:39,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:39,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:39,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:39,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:39,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:39,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:39,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:39,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:39,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:39,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:39,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:39,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:39,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:39,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:39,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:39,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:39,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:39,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:39:39,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:39,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:39,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:39,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:39,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:39,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:39,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:39,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:39,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:39:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:39,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:39:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:39,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:39,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:39,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:39,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:39,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:39,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:39,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:39,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:39:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:39,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:39,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:39,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:39,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:39:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:39,219 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 16:39:39,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18999640] [2020-10-28 16:39:39,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:39,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:39:39,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373597721] [2020-10-28 16:39:39,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:39:39,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:39,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:39:39,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:39:39,225 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 5 states. [2020-10-28 16:39:39,711 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:39:41,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:41,396 INFO L93 Difference]: Finished difference Result 291 states and 361 transitions. [2020-10-28 16:39:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:39:41,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:39:41,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:41,401 INFO L225 Difference]: With dead ends: 291 [2020-10-28 16:39:41,401 INFO L226 Difference]: Without dead ends: 214 [2020-10-28 16:39:41,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:39:41,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-28 16:39:41,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 167. [2020-10-28 16:39:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-28 16:39:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 200 transitions. [2020-10-28 16:39:41,478 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 200 transitions. Word has length 53 [2020-10-28 16:39:41,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:41,478 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 200 transitions. [2020-10-28 16:39:41,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:39:41,479 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 200 transitions. [2020-10-28 16:39:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:39:41,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:39:41,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:39:41,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:39:41,481 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 16:39:41,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:39:41,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1307081269, now seen corresponding path program 1 times [2020-10-28 16:39:41,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:39:41,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292775076] [2020-10-28 16:39:41,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:39:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:41,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:42,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:43,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:39:45,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:39:45,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3900 [2020-10-28 16:39:45,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:39:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:39:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:39:45,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,867 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:39:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:45,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 16:39:45,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:45,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:39:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:45,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:45,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:45,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:39:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:45,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:45,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:45,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:39:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:45,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:39:45,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:45,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:39:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:39:45,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:39:45,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:39:45,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:39:45,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:39:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:39:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:39:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:45,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:45,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:45,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:39:45,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:45,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:39:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:39:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:39:46,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:39:46,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:39:46,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:39:46,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:39:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:39:46,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:39:46,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:39:46,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:39:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:39:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:39:46,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:39:46,039 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 16:39:46,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292775076] [2020-10-28 16:39:46,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:39:46,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:39:46,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393206643] [2020-10-28 16:39:46,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:39:46,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:39:46,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:39:46,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:39:46,042 INFO L87 Difference]: Start difference. First operand 167 states and 200 transitions. Second operand 8 states. [2020-10-28 16:39:46,632 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:47,833 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:39:48,326 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:39:48,751 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:39:49,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:39:49,091 INFO L93 Difference]: Finished difference Result 306 states and 393 transitions. [2020-10-28 16:39:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:39:49,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 16:39:49,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:39:49,093 INFO L225 Difference]: With dead ends: 306 [2020-10-28 16:39:49,093 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:39:49,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:39:49,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:39:49,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:39:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:39:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:39:49,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-28 16:39:49,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:39:49,103 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:39:49,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:39:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:39:49,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:39:49,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:39:49,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:39:49,230 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:39:51,675 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:39:51,961 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:52,398 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:39:52,648 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:52,931 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:53,237 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 10 [2020-10-28 16:39:53,587 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:39:54,082 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:39:54,624 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:39:54,881 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:55,427 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:39:55,765 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:56,301 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:39:56,603 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:57,089 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:39:57,345 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:57,635 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:57,913 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:58,169 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:58,455 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:58,749 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:39:59,009 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:59,311 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:39:59,867 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:39:59,872 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:39:59,872 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:39:59,873 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:39:59,873 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:39:59,873 INFO L274 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-10-28 16:39:59,873 INFO L274 CegarLoopResult]: For program point L385-1(lines 385 389) no Hoare annotation was computed. [2020-10-28 16:39:59,873 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-10-28 16:39:59,873 INFO L274 CegarLoopResult]: For program point L379-2(lines 379 400) no Hoare annotation was computed. [2020-10-28 16:39:59,874 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 354 409) no Hoare annotation was computed. [2020-10-28 16:39:59,874 INFO L274 CegarLoopResult]: For program point L401(lines 378 402) no Hoare annotation was computed. [2020-10-28 16:39:59,874 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 354 409) no Hoare annotation was computed. [2020-10-28 16:39:59,874 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 354 409) no Hoare annotation was computed. [2020-10-28 16:39:59,874 INFO L274 CegarLoopResult]: For program point L442(lines 442 446) no Hoare annotation was computed. [2020-10-28 16:39:59,874 INFO L274 CegarLoopResult]: For program point L442-1(lines 442 446) no Hoare annotation was computed. [2020-10-28 16:39:59,874 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 410 469) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point L436-2(lines 436 461) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 410 469) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point L462(lines 435 463) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 410 469) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point L455-1(line 455) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 177 183) the Hoare annotation is: true [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 177 183) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 184 192) no Hoare annotation was computed. [2020-10-28 16:39:59,875 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 184 192) the Hoare annotation is: true [2020-10-28 16:39:59,875 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 184 192) no Hoare annotation was computed. [2020-10-28 16:39:59,876 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 269 291) 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 16:39:59,876 INFO L270 CegarLoopResult]: At program point L281(line 281) 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 16:39:59,876 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 269 291) no Hoare annotation was computed. [2020-10-28 16:39:59,876 INFO L270 CegarLoopResult]: At program point L281-1(line 281) 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 16:39:59,876 INFO L274 CegarLoopResult]: For program point L279(lines 279 286) no Hoare annotation was computed. [2020-10-28 16:39:59,876 INFO L274 CegarLoopResult]: For program point L279-1(lines 279 286) no Hoare annotation was computed. [2020-10-28 16:39:59,876 INFO L274 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-10-28 16:39:59,876 INFO L270 CegarLoopResult]: At program point L276(line 276) 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 16:39:59,877 INFO L270 CegarLoopResult]: At program point L275(line 275) 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 16:39:59,877 INFO L270 CegarLoopResult]: At program point L275-1(line 275) 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 16:39:59,877 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 269 291) no Hoare annotation was computed. [2020-10-28 16:39:59,877 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 227 250) no Hoare annotation was computed. [2020-10-28 16:39:59,877 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 227 250) no Hoare annotation was computed. [2020-10-28 16:39:59,877 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 227 250) no Hoare annotation was computed. [2020-10-28 16:39:59,877 INFO L274 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-10-28 16:39:59,877 INFO L274 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-10-28 16:39:59,877 INFO L274 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-10-28 16:39:59,878 INFO L274 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-10-28 16:39:59,879 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 699 705) no Hoare annotation was computed. [2020-10-28 16:39:59,879 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 699 705) the Hoare annotation is: true [2020-10-28 16:39:59,879 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 821 835) no Hoare annotation was computed. [2020-10-28 16:39:59,879 INFO L270 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:59,879 INFO L274 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-10-28 16:39:59,879 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 821 835) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:59,879 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 821 835) no Hoare annotation was computed. [2020-10-28 16:39:59,879 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 732 739) no Hoare annotation was computed. [2020-10-28 16:39:59,879 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 732 739) no Hoare annotation was computed. [2020-10-28 16:39:59,879 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 732 739) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 776 784) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 776 784) the Hoare annotation is: true [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 776 784) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point L792(lines 792 800) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 800) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 785 820) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-10-28 16:39:59,880 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 785 820) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point L804(lines 804 812) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 785 820) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point L804-2(lines 804 812) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 170 176) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 170 176) the Hoare annotation is: true [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 308 353) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 308 353) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 308 353) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point L641(lines 641 648) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point L635(lines 635 655) no Hoare annotation was computed. [2020-10-28 16:39:59,881 INFO L274 CegarLoopResult]: For program point L635-1(lines 635 655) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 621 666) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 645 646) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 652 653) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L274 CegarLoopResult]: For program point L652(lines 652 653) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 621 666) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 621 666) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L274 CegarLoopResult]: For program point L645(lines 645 646) no Hoare annotation was computed. [2020-10-28 16:39:59,882 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 259 268) 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 16:39:59,883 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 259 268) no Hoare annotation was computed. [2020-10-28 16:39:59,883 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 259 268) no Hoare annotation was computed. [2020-10-28 16:39:59,883 INFO L274 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-10-28 16:39:59,883 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 765 775) the Hoare annotation is: true [2020-10-28 16:39:59,883 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 765 775) no Hoare annotation was computed. [2020-10-28 16:39:59,883 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 765 775) no Hoare annotation was computed. [2020-10-28 16:39:59,883 INFO L277 CegarLoopResult]: At program point L770(line 770) the Hoare annotation is: true [2020-10-28 16:39:59,883 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 757 764) the Hoare annotation is: true [2020-10-28 16:39:59,883 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2020-10-28 16:39:59,883 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 757 764) no Hoare annotation was computed. [2020-10-28 16:39:59,884 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 707 731) no Hoare annotation was computed. [2020-10-28 16:39:59,884 INFO L270 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:39:59,884 INFO L274 CegarLoopResult]: For program point L726-1(lines 707 731) no Hoare annotation was computed. [2020-10-28 16:39:59,884 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 707 731) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:39:59,884 INFO L270 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:59,884 INFO L270 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:59,884 INFO L274 CegarLoopResult]: For program point L715(lines 715 723) no Hoare annotation was computed. [2020-10-28 16:39:59,884 INFO L270 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:59,884 INFO L274 CegarLoopResult]: For program point L713-1(line 713) no Hoare annotation was computed. [2020-10-28 16:39:59,884 INFO L274 CegarLoopResult]: For program point L711(lines 711 728) no Hoare annotation was computed. [2020-10-28 16:39:59,885 INFO L274 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-10-28 16:39:59,885 INFO L274 CegarLoopResult]: For program point L865-1(lines 865 871) no Hoare annotation was computed. [2020-10-28 16:39:59,885 INFO L270 CegarLoopResult]: At program point testENTRY(lines 845 912) 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 16:39:59,885 INFO L274 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-10-28 16:39:59,885 INFO L274 CegarLoopResult]: For program point testFINAL(lines 845 912) no Hoare annotation was computed. [2020-10-28 16:39:59,885 INFO L270 CegarLoopResult]: At program point L905(lines 854 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:59,885 INFO L270 CegarLoopResult]: At program point L895(line 895) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,885 INFO L274 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-10-28 16:39:59,886 INFO L270 CegarLoopResult]: At program point L893-1(lines 885 900) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,886 INFO L274 CegarLoopResult]: For program point L856(lines 855 904) no Hoare annotation was computed. [2020-10-28 16:39:59,886 INFO L270 CegarLoopResult]: At program point L887(line 887) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,886 INFO L274 CegarLoopResult]: For program point L885(lines 885 900) no Hoare annotation was computed. [2020-10-28 16:39:59,886 INFO L270 CegarLoopResult]: At program point L877(line 877) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,886 INFO L274 CegarLoopResult]: For program point L875(lines 875 881) no Hoare annotation was computed. [2020-10-28 16:39:59,886 INFO L274 CegarLoopResult]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2020-10-28 16:39:59,886 INFO L270 CegarLoopResult]: At program point L902(lines 855 904) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,886 INFO L270 CegarLoopResult]: At program point L867(line 867) 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) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point testEXIT(lines 845 912) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 599 600) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point L606(lines 606 607) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 606 607) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 575 620) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point L599(lines 599 600) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 575 620) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point L595(lines 595 602) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 575 620) no Hoare annotation was computed. [2020-10-28 16:39:59,887 INFO L274 CegarLoopResult]: For program point L589(lines 589 609) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 609) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 160 169) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 160 169) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 160 169) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 472 574) no Hoare annotation was computed. [2020-10-28 16:39:59,888 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L537-1(line 537) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L560(lines 560 571) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L521-2(lines 521 541) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 472 574) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L542(lines 520 543) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L501(lines 501 517) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 472 574) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L561(lines 561 568) no Hoare annotation was computed. [2020-10-28 16:39:59,889 INFO L274 CegarLoopResult]: For program point L522(lines 521 541) no Hoare annotation was computed. [2020-10-28 16:39:59,890 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-28 16:39:59,890 INFO L274 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-10-28 16:39:59,890 INFO L274 CegarLoopResult]: For program point L518(lines 518 559) no Hoare annotation was computed. [2020-10-28 16:39:59,890 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:59,890 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#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~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.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~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~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.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~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:39:59,890 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point L751-1(lines 740 756) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 740 756) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point L747(lines 747 753) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point L745(line 745) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 740 756) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point L745-1(line 745) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:39:59,891 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L274 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:39:59,892 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-10-28 16:39:59,892 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:39:59,892 INFO L270 CegarLoopResult]: At program point L688(line 688) 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)|))) [2020-10-28 16:39:59,893 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 675 698) 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)|))) [2020-10-28 16:39:59,893 INFO L270 CegarLoopResult]: At program point L686(lines 686 692) 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)|))) [2020-10-28 16:39:59,893 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 675 698) no Hoare annotation was computed. [2020-10-28 16:39:59,893 INFO L270 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:39:59,893 INFO L274 CegarLoopResult]: For program point L679(lines 678 697) no Hoare annotation was computed. [2020-10-28 16:39:59,893 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 675 698) no Hoare annotation was computed. [2020-10-28 16:39:59,893 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 196 225) no Hoare annotation was computed. [2020-10-28 16:39:59,893 INFO L277 CegarLoopResult]: At program point L221(lines 196 225) the Hoare annotation is: true [2020-10-28 16:39:59,893 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 196 225) the Hoare annotation is: true [2020-10-28 16:39:59,894 INFO L274 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-28 16:39:59,894 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-10-28 16:39:59,894 INFO L277 CegarLoopResult]: At program point L210-1(lines 210 214) the Hoare annotation is: true [2020-10-28 16:39:59,894 INFO L274 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-10-28 16:39:59,894 INFO L277 CegarLoopResult]: At program point L206-2(lines 206 220) the Hoare annotation is: true [2020-10-28 16:39:59,894 INFO L277 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: true [2020-10-28 16:39:59,894 INFO L274 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-10-28 16:39:59,894 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2020-10-28 16:39:59,894 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:39:59,895 INFO L274 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:39:59,895 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 251 257) no Hoare annotation was computed. [2020-10-28 16:39:59,895 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 251 257) the Hoare annotation is: true [2020-10-28 16:39:59,895 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:39:59,895 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 16:39:59,895 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:39:59,895 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:39:59,895 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 836 843) no Hoare annotation was computed. [2020-10-28 16:39:59,895 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 836 843) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,895 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 836 843) no Hoare annotation was computed. [2020-10-28 16:39:59,895 INFO L274 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:39:59,896 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:39:59,896 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 (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,896 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 293 300) no Hoare annotation was computed. [2020-10-28 16:39:59,896 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-10-28 16:39:59,896 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 293 300) the Hoare annotation is: true [2020-10-28 16:39:59,896 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 293 300) no Hoare annotation was computed. [2020-10-28 16:39:59,896 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 130 154) the Hoare annotation is: true [2020-10-28 16:39:59,896 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 130 154) no Hoare annotation was computed. [2020-10-28 16:39:59,896 INFO L270 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:39:59,896 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-10-28 16:39:59,897 INFO L277 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: true [2020-10-28 16:39:59,897 INFO L274 CegarLoopResult]: For program point L140-1(line 140) no Hoare annotation was computed. [2020-10-28 16:39:59,897 INFO L274 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2020-10-28 16:39:59,897 INFO L274 CegarLoopResult]: For program point L138-1(lines 130 154) no Hoare annotation was computed. [2020-10-28 16:39:59,897 INFO L277 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: true [2020-10-28 16:39:59,897 INFO L274 CegarLoopResult]: For program point L136-1(line 136) no Hoare annotation was computed. [2020-10-28 16:39:59,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:39:59 BoogieIcfgContainer [2020-10-28 16:39:59,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:39:59,915 INFO L168 Benchmark]: Toolchain (without parser) took 41114.77 ms. Allocated memory was 156.2 MB in the beginning and 639.6 MB in the end (delta: 483.4 MB). Free memory was 130.3 MB in the beginning and 251.4 MB in the end (delta: -121.1 MB). Peak memory consumption was 383.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:59,915 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:39:59,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.18 ms. Allocated memory is still 156.2 MB. Free memory was 129.7 MB in the beginning and 109.3 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:59,917 INFO L168 Benchmark]: Boogie Preprocessor took 155.56 ms. Allocated memory is still 156.2 MB. Free memory was 109.3 MB in the beginning and 105.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:59,918 INFO L168 Benchmark]: RCFGBuilder took 1423.35 ms. Allocated memory is still 156.2 MB. Free memory was 105.4 MB in the beginning and 52.8 MB in the end (delta: 52.6 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:59,919 INFO L168 Benchmark]: TraceAbstraction took 38881.74 ms. Allocated memory was 156.2 MB in the beginning and 639.6 MB in the end (delta: 483.4 MB). Free memory was 52.2 MB in the beginning and 251.4 MB in the end (delta: -199.2 MB). Peak memory consumption was 304.4 MB. Max. memory is 8.0 GB. [2020-10-28 16:39:59,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 640.18 ms. Allocated memory is still 156.2 MB. Free memory was 129.7 MB in the beginning and 109.3 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 155.56 ms. Allocated memory is still 156.2 MB. Free memory was 109.3 MB in the beginning and 105.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1423.35 ms. Allocated memory is still 156.2 MB. Free memory was 105.4 MB in the beginning and 52.8 MB in the end (delta: 52.6 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38881.74 ms. Allocated memory was 156.2 MB in the beginning and 639.6 MB in the end (delta: 483.4 MB). Free memory was 52.2 MB in the beginning and 251.4 MB in the end (delta: -199.2 MB). Peak memory consumption was 304.4 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: 606]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 599]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 645]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 652]: 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: 854]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 233 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 516 SDslu, 157 SDs, 0 SdLazy, 771 SolverSat, 347 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 244 PreInvPairs, 277 NumberOfFragments, 771 HoareAnnotationTreeSize, 244 FomulaSimplifications, 16782 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 8835 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 58912 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...