/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_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:59:19,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:59:19,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:59:19,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:59:19,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:59:19,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:59:19,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:59:19,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:59:19,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:59:19,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:59:19,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:59:19,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:59:19,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:59:19,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:59:19,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:59:19,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:59:19,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:59:19,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:59:19,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:59:19,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:59:19,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:59:19,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:59:19,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:59:19,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:59:19,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:59:19,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:59:19,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:59:19,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:59:19,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:59:19,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:59:19,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:59:19,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:59:19,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:59:19,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:59:19,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:59:19,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:59:19,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:59:19,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:59:19,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:59:19,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:59:19,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:59:19,457 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 16:59:19,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:59:19,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:59:19,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:59:19,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:59:19,489 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:59:19,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:59:19,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:59:19,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:59:19,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:59:19,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:59:19,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:59:19,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:59:19,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:59:19,492 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:59:19,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:59:19,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:59:19,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:59:19,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:59:19,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:59:19,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:59:19,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:59:19,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:59:19,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:59:19,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:59:19,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:59:19,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:59:19,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:59:19,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:59:19,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:59:19,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:59:19,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:59:20,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:59:20,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:59:20,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:59:20,006 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:59:20,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2020-10-28 16:59:20,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/357f8d637/285383f0402c41faa999eb674ddbf6cb/FLAGb47162170 [2020-10-28 16:59:20,947 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:59:20,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2020-10-28 16:59:20,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/357f8d637/285383f0402c41faa999eb674ddbf6cb/FLAGb47162170 [2020-10-28 16:59:21,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/357f8d637/285383f0402c41faa999eb674ddbf6cb [2020-10-28 16:59:21,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:59:21,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:59:21,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:59:21,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:59:21,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:59:21,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:21,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aeb1f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21, skipping insertion in model container [2020-10-28 16:59:21,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:21,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:59:21,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:59:21,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:59:21,733 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:59:21,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:59:21,908 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:59:21,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21 WrapperNode [2020-10-28 16:59:21,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:59:21,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:59:21,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:59:21,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:59:21,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:21,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:21,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:21,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:22,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:22,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:22,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (1/1) ... [2020-10-28 16:59:22,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:59:22,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:59:22,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:59:22,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:59:22,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (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 16:59:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:59:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:59:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:59:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:59:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:59:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:59:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:59:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:59:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:59:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:59:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:59:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:59:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:59:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:59:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:59:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:59:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:59:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:59:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:59:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:59:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:59:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:59:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:59:22,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:59:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:59:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:59:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:59:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:59:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:59:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:59:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:59:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:59:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:59:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:59:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:59:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:59:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:59:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:59:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:59:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:59:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:59:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:59:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:59:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:59:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:59:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:59:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:59:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:59:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:59:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:59:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:59:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:59:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:59:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:59:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:59:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:59:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:59:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:59:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:59:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:59:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:59:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:59:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:59:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:59:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:59:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:59:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:59:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:59:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:59:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:59:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:59:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:59:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:59:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:59:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:59:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:59:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:59:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:59:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:59:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:59:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:59:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:59:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:59:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:59:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:59:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:59:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:59:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:59:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:59:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:59:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:59:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:59:23,604 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:59:23,605 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:59:23,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:59:23 BoogieIcfgContainer [2020-10-28 16:59:23,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:59:23,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:59:23,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:59:23,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:59:23,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:59:21" (1/3) ... [2020-10-28 16:59:23,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffdf14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:59:23, skipping insertion in model container [2020-10-28 16:59:23,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:59:21" (2/3) ... [2020-10-28 16:59:23,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffdf14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:59:23, skipping insertion in model container [2020-10-28 16:59:23,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:59:23" (3/3) ... [2020-10-28 16:59:23,623 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2020-10-28 16:59:23,638 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:59:23,644 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:59:23,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:59:23,689 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:59:23,689 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:59:23,690 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:59:23,690 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:59:23,690 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:59:23,690 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:59:23,690 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:59:23,690 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:59:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-10-28 16:59:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:59:23,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:59:23,729 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 16:59:23,729 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 16:59:23,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:59:23,737 INFO L82 PathProgramCache]: Analyzing trace with hash -861677251, now seen corresponding path program 1 times [2020-10-28 16:59:23,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:59:23,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035945399] [2020-10-28 16:59:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:59:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:24,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:24,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:26,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:27,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:59:29,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:59:29,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:59:29,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:59:29,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:59:29,572 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:59:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:29,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:29,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 16:59:29,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:29,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:29,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:59:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:29,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:29,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:29,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:29,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:29,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:29,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:59:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:29,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:29,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:29,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:29,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:29,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:59:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:29,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:29,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:29,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:29,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:29,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:59:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:29,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:29,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:29,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:29,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:29,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:59:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:29,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:29,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:29,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:29,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:29,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:59:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:29,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:29,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:29,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:29,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:29,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:29,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:29,698 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 16:59:29,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035945399] [2020-10-28 16:59:29,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:59:29,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:59:29,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390607575] [2020-10-28 16:59:29,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:59:29,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:59:29,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:59:29,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:59:29,735 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2020-10-28 16:59:31,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:59:31,103 INFO L93 Difference]: Finished difference Result 261 states and 343 transitions. [2020-10-28 16:59:31,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:59:31,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:59:31,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:59:31,119 INFO L225 Difference]: With dead ends: 261 [2020-10-28 16:59:31,119 INFO L226 Difference]: Without dead ends: 140 [2020-10-28 16:59:31,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:59:31,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-28 16:59:31,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2020-10-28 16:59:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-28 16:59:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions. [2020-10-28 16:59:31,237 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 47 [2020-10-28 16:59:31,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:59:31,238 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 126 transitions. [2020-10-28 16:59:31,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:59:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2020-10-28 16:59:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:59:31,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:59:31,242 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 16:59:31,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:59:31,243 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 16:59:31,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:59:31,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1172099514, now seen corresponding path program 1 times [2020-10-28 16:59:31,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:59:31,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161064186] [2020-10-28 16:59:31,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:59:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:31,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:31,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:33,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:34,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:59:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:59:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:59:36,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:59:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:59:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:36,759 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:36,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:59:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:36,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:36,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:36,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 16:59:36,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:36,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:59:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:36,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:36,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:36,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:36,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:59:36,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:59:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:36,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:36,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:36,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:36,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:36,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:36,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:36,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:36,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:59:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:36,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:36,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:36,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:36,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:36,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:36,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:59:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:36,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:36,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:36,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:36,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:36,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:36,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:59:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:36,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:36,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:36,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:59:36,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:36,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:36,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:59:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:36,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:36,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:36,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:36,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:36,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:36,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:36,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:36,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:36,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:36,906 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 16:59:36,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161064186] [2020-10-28 16:59:36,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:59:36,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:59:36,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472724337] [2020-10-28 16:59:36,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:59:36,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:59:36,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:59:36,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:59:36,913 INFO L87 Difference]: Start difference. First operand 109 states and 126 transitions. Second operand 4 states. [2020-10-28 16:59:37,779 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:59:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:59:38,722 INFO L93 Difference]: Finished difference Result 187 states and 226 transitions. [2020-10-28 16:59:38,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:59:38,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:59:38,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:59:38,735 INFO L225 Difference]: With dead ends: 187 [2020-10-28 16:59:38,736 INFO L226 Difference]: Without dead ends: 124 [2020-10-28 16:59:38,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:59:38,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-28 16:59:38,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2020-10-28 16:59:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-28 16:59:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-10-28 16:59:38,787 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 48 [2020-10-28 16:59:38,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:59:38,787 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-10-28 16:59:38,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:59:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-10-28 16:59:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:59:38,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:59:38,802 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 16:59:38,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:59:38,802 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 16:59:38,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:59:38,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1229292473, now seen corresponding path program 1 times [2020-10-28 16:59:38,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:59:38,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190733263] [2020-10-28 16:59:38,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:59:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:38,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:39,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:39,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:40,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:43,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:43,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 16:59:43,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:59:43,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4743 [2020-10-28 16:59:43,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:43,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:59:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:43,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 16:59:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:44,090 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:44,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:59:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:44,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:44,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:44,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:44,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:44,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 16:59:44,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:44,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:44,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:44,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:44,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:59:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:59:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:44,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:44,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:44,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:44,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:44,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:44,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:44,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:44,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:59:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:44,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:44,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:44,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:44,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:44,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:44,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:44,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:44,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:44,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:59:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:44,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:44,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:44,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:44,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:44,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:44,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:44,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:44,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:59:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:44,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:44,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:44,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:44,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:59:44,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:44,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:44,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:59:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:44,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:44,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:44,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:44,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:44,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:44,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:44,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:44,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:44,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 16:59:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:44,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:44,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:44,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:44,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:44,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:44,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:44,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:44,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:44,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:44,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:44,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:44,268 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 16:59:44,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190733263] [2020-10-28 16:59:44,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:59:44,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:59:44,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2918857] [2020-10-28 16:59:44,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:59:44,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:59:44,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:59:44,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:59:44,273 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 5 states. [2020-10-28 16:59:44,803 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:59:45,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:59:45,738 INFO L93 Difference]: Finished difference Result 200 states and 244 transitions. [2020-10-28 16:59:45,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:59:45,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:59:45,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:59:45,742 INFO L225 Difference]: With dead ends: 200 [2020-10-28 16:59:45,742 INFO L226 Difference]: Without dead ends: 124 [2020-10-28 16:59:45,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:59:45,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-28 16:59:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2020-10-28 16:59:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-10-28 16:59:45,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2020-10-28 16:59:45,793 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2020-10-28 16:59:45,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:59:45,793 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2020-10-28 16:59:45,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:59:45,794 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2020-10-28 16:59:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 16:59:45,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:59:45,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:59:45,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:59:45,796 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 16:59:45,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:59:45,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1326586038, now seen corresponding path program 1 times [2020-10-28 16:59:45,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:59:45,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295172527] [2020-10-28 16:59:45,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:59:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:45,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:46,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:47,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 16:59:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:59:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4734 [2020-10-28 16:59:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:50,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:59:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:59:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:59:50,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,094 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:51,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:59:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:51,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 16:59:51,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:59:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:51,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:59:51,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:51,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:51,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:59:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:51,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:51,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:51,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:51,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:59:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:51,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:51,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:51,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:51,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:59:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:51,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:59:51,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:51,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:59:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:59:51,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:59:51,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:59:51,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:59:51,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:51,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:59:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:51,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:51,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:51,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:59:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:51,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:51,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:51,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 16:59:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:51,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:51,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:51,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:59:51,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:51,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:59:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:51,315 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 16:59:51,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295172527] [2020-10-28 16:59:51,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:59:51,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:59:51,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501627035] [2020-10-28 16:59:51,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:59:51,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:59:51,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:59:51,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:59:51,319 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 8 states. [2020-10-28 16:59:51,995 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:59:53,146 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:59:53,633 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:59:54,058 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:59:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:59:54,225 INFO L93 Difference]: Finished difference Result 167 states and 202 transitions. [2020-10-28 16:59:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:59:54,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-28 16:59:54,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:59:54,227 INFO L225 Difference]: With dead ends: 167 [2020-10-28 16:59:54,228 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:59:54,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:59:54,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:59:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:59:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:59:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:59:54,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-10-28 16:59:54,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:59:54,236 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:59:54,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:59:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:59:54,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:59:54,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:59:54,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:59:55,813 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 16:59:56,104 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:59:56,378 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:59:56,737 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:59:57,082 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 13 [2020-10-28 16:59:57,461 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:57,802 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:59:58,114 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:59:58,431 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:59:58,747 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:59:59,037 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-10-28 16:59:59,363 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-10-28 16:59:59,673 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:59:59,966 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 13 [2020-10-28 17:00:00,272 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 17:00:00,608 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 17:00:00,915 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 17:00:00,994 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:00:00,994 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 595 650) no Hoare annotation was computed. [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point L626(lines 626 630) no Hoare annotation was computed. [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point L626-1(lines 626 630) no Hoare annotation was computed. [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point L620-2(lines 620 641) no Hoare annotation was computed. [2020-10-28 17:00:00,995 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 595 650) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 595 650) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point L642(lines 619 643) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point L703(lines 676 704) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 651 710) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 651 710) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point L683(lines 683 687) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point L683-1(lines 683 687) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 651 710) no Hoare annotation was computed. [2020-10-28 17:00:00,996 INFO L274 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-10-28 17:00:00,997 INFO L274 CegarLoopResult]: For program point L677-2(lines 677 702) no Hoare annotation was computed. [2020-10-28 17:00:00,997 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 428 434) the Hoare annotation is: true [2020-10-28 17:00:00,997 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 428 434) no Hoare annotation was computed. [2020-10-28 17:00:00,997 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 435 443) no Hoare annotation was computed. [2020-10-28 17:00:00,997 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 435 443) the Hoare annotation is: true [2020-10-28 17:00:00,997 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 435 443) no Hoare annotation was computed. [2020-10-28 17:00:00,997 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 384 408) the Hoare annotation is: true [2020-10-28 17:00:00,997 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 384 408) no Hoare annotation was computed. [2020-10-28 17:00:00,997 INFO L270 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-28 17:00:00,997 INFO L274 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-28 17:00:00,997 INFO L277 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-10-28 17:00:00,997 INFO L274 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-10-28 17:00:00,998 INFO L274 CegarLoopResult]: For program point L392(lines 392 405) no Hoare annotation was computed. [2020-10-28 17:00:00,998 INFO L274 CegarLoopResult]: For program point L392-1(lines 384 408) no Hoare annotation was computed. [2020-10-28 17:00:00,998 INFO L277 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: true [2020-10-28 17:00:00,998 INFO L274 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-10-28 17:00:00,998 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 358 380) 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 17:00:00,998 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 358 380) no Hoare annotation was computed. [2020-10-28 17:00:00,998 INFO L270 CegarLoopResult]: At program point L370(line 370) 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 17:00:00,998 INFO L270 CegarLoopResult]: At program point L370-1(line 370) 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 17:00:00,999 INFO L274 CegarLoopResult]: For program point L368(lines 368 375) no Hoare annotation was computed. [2020-10-28 17:00:00,999 INFO L274 CegarLoopResult]: For program point L368-1(lines 368 375) no Hoare annotation was computed. [2020-10-28 17:00:01,002 INFO L274 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-10-28 17:00:01,002 INFO L270 CegarLoopResult]: At program point L365(line 365) 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 17:00:01,002 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 358 380) no Hoare annotation was computed. [2020-10-28 17:00:01,002 INFO L270 CegarLoopResult]: At program point L364(line 364) 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 17:00:01,003 INFO L270 CegarLoopResult]: At program point L364-1(line 364) 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 17:00:01,003 INFO L274 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 314 337) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 314 337) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 314 337) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-10-28 17:00:01,003 INFO L274 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 210 218) no Hoare annotation was computed. [2020-10-28 17:00:01,004 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 210 218) the Hoare annotation is: true [2020-10-28 17:00:01,004 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 210 218) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 255 273) the Hoare annotation is: true [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point L264(lines 264 268) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L277 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: true [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 268) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 255 273) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 255 273) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point L226-2(lines 226 234) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-10-28 17:00:01,005 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 219 254) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 219 254) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 219 254) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 421 427) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 421 427) the Hoare annotation is: true [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 549 594) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 549 594) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 549 594) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point L893(lines 893 894) no Hoare annotation was computed. [2020-10-28 17:00:01,006 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 862 907) no Hoare annotation was computed. [2020-10-28 17:00:01,007 INFO L274 CegarLoopResult]: For program point L886(lines 886 887) no Hoare annotation was computed. [2020-10-28 17:00:01,007 INFO L274 CegarLoopResult]: For program point L882(lines 882 889) no Hoare annotation was computed. [2020-10-28 17:00:01,007 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 886 887) no Hoare annotation was computed. [2020-10-28 17:00:01,007 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 893 894) no Hoare annotation was computed. [2020-10-28 17:00:01,007 INFO L274 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-10-28 17:00:01,008 INFO L274 CegarLoopResult]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2020-10-28 17:00:01,008 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 862 907) no Hoare annotation was computed. [2020-10-28 17:00:01,008 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 862 907) no Hoare annotation was computed. [2020-10-28 17:00:01,008 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 345 354) 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 17:00:01,009 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 345 354) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 345 354) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 199 209) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 199 209) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 199 209) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 191 198) the Hoare annotation is: true [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 191 198) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 191 198) no Hoare annotation was computed. [2020-10-28 17:00:01,009 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 158 182) no Hoare annotation was computed. [2020-10-28 17:00:01,010 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 158 182) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 17:00:01,010 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 17:00:01,010 INFO L274 CegarLoopResult]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2020-10-28 17:00:01,010 INFO L270 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:00:01,010 INFO L270 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:00:01,010 INFO L274 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-10-28 17:00:01,010 INFO L270 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:00:01,010 INFO L274 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-10-28 17:00:01,010 INFO L274 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-10-28 17:00:01,011 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2020-10-28 17:00:01,011 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2020-10-28 17:00:01,011 INFO L270 CegarLoopResult]: At program point testENTRY(lines 47 112) 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 17:00:01,011 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-10-28 17:00:01,011 INFO L270 CegarLoopResult]: At program point L95-2(lines 87 100) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,011 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-28 17:00:01,011 INFO L270 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,011 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-28 17:00:01,012 INFO L274 CegarLoopResult]: For program point testFINAL(lines 47 112) no Hoare annotation was computed. [2020-10-28 17:00:01,013 INFO L270 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,013 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-28 17:00:01,013 INFO L274 CegarLoopResult]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2020-10-28 17:00:01,013 INFO L270 CegarLoopResult]: At program point L102(lines 57 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,013 INFO L270 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,013 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-28 17:00:01,013 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2020-10-28 17:00:01,013 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-28 17:00:01,014 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:00:01,014 INFO L274 CegarLoopResult]: For program point testEXIT(lines 47 112) no Hoare annotation was computed. [2020-10-28 17:00:01,014 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 840 841) no Hoare annotation was computed. [2020-10-28 17:00:01,014 INFO L274 CegarLoopResult]: For program point L830(lines 830 850) no Hoare annotation was computed. [2020-10-28 17:00:01,014 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 847 848) no Hoare annotation was computed. [2020-10-28 17:00:01,014 INFO L274 CegarLoopResult]: For program point L830-1(lines 830 850) no Hoare annotation was computed. [2020-10-28 17:00:01,014 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 816 861) no Hoare annotation was computed. [2020-10-28 17:00:01,014 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 816 861) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 816 861) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point L847(lines 847 848) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point L840(lines 840 841) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point L836(lines 836 843) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 524 532) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 524 532) the Hoare annotation is: true [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 524 532) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 492 514) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 492 514) no Hoare annotation was computed. [2020-10-28 17:00:01,015 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 492 514) no Hoare annotation was computed. [2020-10-28 17:00:01,016 INFO L274 CegarLoopResult]: For program point L500(lines 500 508) no Hoare annotation was computed. [2020-10-28 17:00:01,016 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 508) no Hoare annotation was computed. [2020-10-28 17:00:01,016 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 411 420) no Hoare annotation was computed. [2020-10-28 17:00:01,016 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 411 420) no Hoare annotation was computed. [2020-10-28 17:00:01,017 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 411 420) no Hoare annotation was computed. [2020-10-28 17:00:01,017 INFO L274 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2020-10-28 17:00:01,017 INFO L274 CegarLoopResult]: For program point L801(lines 801 812) no Hoare annotation was computed. [2020-10-28 17:00:01,017 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 713 815) no Hoare annotation was computed. [2020-10-28 17:00:01,017 INFO L274 CegarLoopResult]: For program point L764(lines 764 768) no Hoare annotation was computed. [2020-10-28 17:00:01,018 INFO L274 CegarLoopResult]: For program point L762-2(lines 762 782) no Hoare annotation was computed. [2020-10-28 17:00:01,018 INFO L274 CegarLoopResult]: For program point L783(lines 761 784) no Hoare annotation was computed. [2020-10-28 17:00:01,018 INFO L274 CegarLoopResult]: For program point L742(lines 742 758) no Hoare annotation was computed. [2020-10-28 17:00:01,018 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 713 815) no Hoare annotation was computed. [2020-10-28 17:00:01,018 INFO L274 CegarLoopResult]: For program point L802(lines 802 809) no Hoare annotation was computed. [2020-10-28 17:00:01,018 INFO L274 CegarLoopResult]: For program point L763(lines 762 782) no Hoare annotation was computed. [2020-10-28 17:00:01,018 INFO L274 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-10-28 17:00:01,019 INFO L274 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-10-28 17:00:01,019 INFO L274 CegarLoopResult]: For program point L759(lines 759 800) no Hoare annotation was computed. [2020-10-28 17:00:01,019 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 713 815) no Hoare annotation was computed. [2020-10-28 17:00:01,019 INFO L274 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-10-28 17:00:01,019 INFO L274 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-10-28 17:00:01,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:00:01,020 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 17:00:01,020 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:00:01,021 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2020-10-28 17:00:01,021 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2020-10-28 17:00:01,021 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 183 190) no Hoare annotation was computed. [2020-10-28 17:00:01,021 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 515 523) the Hoare annotation is: true [2020-10-28 17:00:01,021 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 515 523) no Hoare annotation was computed. [2020-10-28 17:00:01,021 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 515 523) no Hoare annotation was computed. [2020-10-28 17:00:01,022 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 471 482) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,022 INFO L274 CegarLoopResult]: For program point L475-1(lines 471 482) no Hoare annotation was computed. [2020-10-28 17:00:01,022 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 471 482) no Hoare annotation was computed. [2020-10-28 17:00:01,022 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:00:01,022 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:00:01,022 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:00:01,022 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 126 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 17:00:01,022 INFO L270 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 17:00:01,022 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 126 149) no Hoare annotation was computed. [2020-10-28 17:00:01,022 INFO L270 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-28 17:00:01,023 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 126 149) no Hoare annotation was computed. [2020-10-28 17:00:01,023 INFO L270 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:00:01,023 INFO L274 CegarLoopResult]: For program point L130(lines 129 148) no Hoare annotation was computed. [2020-10-28 17:00:01,023 INFO L274 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-10-28 17:00:01,023 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 284 313) no Hoare annotation was computed. [2020-10-28 17:00:01,023 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 284 313) the Hoare annotation is: true [2020-10-28 17:00:01,023 INFO L277 CegarLoopResult]: At program point L309(lines 284 313) the Hoare annotation is: true [2020-10-28 17:00:01,023 INFO L274 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-10-28 17:00:01,024 INFO L274 CegarLoopResult]: For program point L298(lines 298 302) no Hoare annotation was computed. [2020-10-28 17:00:01,024 INFO L277 CegarLoopResult]: At program point L298-1(lines 298 302) the Hoare annotation is: true [2020-10-28 17:00:01,024 INFO L274 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-10-28 17:00:01,025 INFO L277 CegarLoopResult]: At program point L294-2(lines 294 308) the Hoare annotation is: true [2020-10-28 17:00:01,025 INFO L277 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: true [2020-10-28 17:00:01,025 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 483 491) no Hoare annotation was computed. [2020-10-28 17:00:01,025 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 483 491) no Hoare annotation was computed. [2020-10-28 17:00:01,026 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 483 491) no Hoare annotation was computed. [2020-10-28 17:00:01,026 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 447 458) the Hoare annotation is: true [2020-10-28 17:00:01,026 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 447 458) no Hoare annotation was computed. [2020-10-28 17:00:01,026 INFO L274 CegarLoopResult]: For program point L451-1(lines 447 458) no Hoare annotation was computed. [2020-10-28 17:00:01,026 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 338 344) no Hoare annotation was computed. [2020-10-28 17:00:01,026 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 338 344) the Hoare annotation is: true [2020-10-28 17:00:01,026 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:00:01,026 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 17:00:01,027 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:00:01,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:00:01,027 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 274 281) no Hoare annotation was computed. [2020-10-28 17:00:01,027 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 274 281) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,027 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 274 281) no Hoare annotation was computed. [2020-10-28 17:00:01,027 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 459 470) no Hoare annotation was computed. [2020-10-28 17:00:01,027 INFO L274 CegarLoopResult]: For program point L463-1(lines 459 470) no Hoare annotation was computed. [2020-10-28 17:00:01,027 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 459 470) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:00:01,027 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 534 541) no Hoare annotation was computed. [2020-10-28 17:00:01,027 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 17:00:01,028 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 534 541) the Hoare annotation is: true [2020-10-28 17:00:01,028 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 534 541) no Hoare annotation was computed. [2020-10-28 17:00:01,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:00:01 BoogieIcfgContainer [2020-10-28 17:00:01,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:00:01,049 INFO L168 Benchmark]: Toolchain (without parser) took 39855.14 ms. Allocated memory was 151.0 MB in the beginning and 580.9 MB in the end (delta: 429.9 MB). Free memory was 126.2 MB in the beginning and 398.4 MB in the end (delta: -272.2 MB). Peak memory consumption was 345.5 MB. Max. memory is 8.0 GB. [2020-10-28 17:00:01,050 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:00:01,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.84 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 104.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:00:01,051 INFO L168 Benchmark]: Boogie Preprocessor took 138.31 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 100.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:00:01,052 INFO L168 Benchmark]: RCFGBuilder took 1555.75 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 131.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 55.8 MB. Max. memory is 8.0 GB. [2020-10-28 17:00:01,053 INFO L168 Benchmark]: TraceAbstraction took 37432.17 ms. Allocated memory was 151.0 MB in the beginning and 580.9 MB in the end (delta: 429.9 MB). Free memory was 131.2 MB in the beginning and 398.4 MB in the end (delta: -267.3 MB). Peak memory consumption was 349.8 MB. Max. memory is 8.0 GB. [2020-10-28 17:00:01,057 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 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 710.84 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 104.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 138.31 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 100.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1555.75 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 131.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 55.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 37432.17 ms. Allocated memory was 151.0 MB in the beginning and 580.9 MB in the end (delta: 429.9 MB). Free memory was 131.2 MB in the beginning and 398.4 MB in the end (delta: -267.3 MB). Peak memory consumption was 349.8 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: 847]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 840]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 886]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 893]: 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: 57]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 483 SDslu, 92 SDs, 0 SdLazy, 603 SolverSat, 307 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 174 PreInvPairs, 190 NumberOfFragments, 791 HoareAnnotationTreeSize, 174 FomulaSimplifications, 8119 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 5481 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 60142 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...