/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:46:24,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:46:24,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:46:24,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:46:24,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:46:24,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:46:24,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:46:24,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:46:24,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:46:24,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:46:24,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:46:24,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:46:24,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:46:24,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:46:24,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:46:24,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:46:24,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:46:24,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:46:24,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:46:24,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:46:24,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:46:24,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:46:24,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:46:24,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:46:24,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:46:24,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:46:24,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:46:24,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:46:24,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:46:24,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:46:24,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:46:24,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:46:24,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:46:24,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:46:24,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:46:24,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:46:24,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:46:24,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:46:24,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:46:24,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:46:24,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:46:24,381 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 16:46:24,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:46:24,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:46:24,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:46:24,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:46:24,440 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:46:24,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:46:24,441 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:46:24,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:46:24,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:46:24,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:46:24,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:46:24,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:46:24,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:46:24,444 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:46:24,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:46:24,444 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:46:24,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:46:24,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:46:24,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:46:24,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:46:24,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:46:24,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:46:24,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:46:24,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:46:24,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:46:24,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:46:24,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:46:24,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:46:24,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:46:24,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:46:24,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:46:24,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:46:24,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:46:24,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:46:24,913 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:46:24,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-10-28 16:46:25,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14edb9851/2eb07c0b34a94ef8b3e1ff53e723f635/FLAG94f531441 [2020-10-28 16:46:25,832 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:46:25,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-10-28 16:46:25,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14edb9851/2eb07c0b34a94ef8b3e1ff53e723f635/FLAG94f531441 [2020-10-28 16:46:26,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/14edb9851/2eb07c0b34a94ef8b3e1ff53e723f635 [2020-10-28 16:46:26,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:46:26,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:46:26,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:26,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:46:26,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:46:26,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d52fbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26, skipping insertion in model container [2020-10-28 16:46:26,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:46:26,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:46:26,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:26,456 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:46:26,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:26,661 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:46:26,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26 WrapperNode [2020-10-28 16:46:26,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:26,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:46:26,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:46:26,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:46:26,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (1/1) ... [2020-10-28 16:46:26,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:46:26,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:46:26,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:46:26,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:46:26,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (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 16:46:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:46:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:46:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:46:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:46:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:46:26,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 16:46:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:46:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:46:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:46:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:46:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:46:26,894 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:46:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:46:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:46:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:46:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:46:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:46:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:46:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:46:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:46:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:46:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:46:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:46:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:46:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:46:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:46:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:46:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:46:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:46:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:46:26,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:46:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:46:26,899 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:46:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:46:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:46:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:46:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:46:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:46:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:46:26,900 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:46:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:46:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:46:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:46:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:46:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:46:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:46:26,901 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:46:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:46:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:46:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:46:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:46:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 16:46:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:46:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:46:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:46:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:46:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:46:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:46:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:46:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:46:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:46:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:46:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:46:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:46:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:46:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:46:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:46:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:46:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:46:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:46:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:46:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:46:28,346 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:46:28,346 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:46:28,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:28 BoogieIcfgContainer [2020-10-28 16:46:28,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:46:28,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:46:28,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:46:28,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:46:28,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:46:26" (1/3) ... [2020-10-28 16:46:28,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6164ab92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:28, skipping insertion in model container [2020-10-28 16:46:28,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:26" (2/3) ... [2020-10-28 16:46:28,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6164ab92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:28, skipping insertion in model container [2020-10-28 16:46:28,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:28" (3/3) ... [2020-10-28 16:46:28,363 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-10-28 16:46:28,376 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:46:28,382 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:46:28,398 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:46:28,445 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:46:28,445 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:46:28,445 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:46:28,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:46:28,447 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:46:28,447 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:46:28,447 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:46:28,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:46:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-10-28 16:46:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:46:28,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:28,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:28,490 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 16:46:28,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:28,497 INFO L82 PathProgramCache]: Analyzing trace with hash -477696277, now seen corresponding path program 1 times [2020-10-28 16:46:28,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:28,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74724269] [2020-10-28 16:46:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:29,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:29,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:31,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:31,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:33,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:33,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:46:33,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:33,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 16:46:33,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:33,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:46:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:33,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 16:46:34,266 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:34,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:34,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 16:46:34,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:34,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:34,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:34,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:34,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:34,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:34,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:46:34,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:34,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:34,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:34,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 16:46:34,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:34,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:46:34,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:46:34,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:34,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:46:34,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:34,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:46:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:34,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:46:34,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:34,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:34,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:34,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:34,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:34,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:34,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:34,530 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 16:46:34,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [74724269] [2020-10-28 16:46:34,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:34,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:46:34,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390794502] [2020-10-28 16:46:34,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:46:34,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:34,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:46:34,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:34,566 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-10-28 16:46:36,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:36,005 INFO L93 Difference]: Finished difference Result 308 states and 406 transitions. [2020-10-28 16:46:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:46:36,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:46:36,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:36,022 INFO L225 Difference]: With dead ends: 308 [2020-10-28 16:46:36,022 INFO L226 Difference]: Without dead ends: 171 [2020-10-28 16:46:36,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:36,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-28 16:46:36,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 135. [2020-10-28 16:46:36,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-28 16:46:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-10-28 16:46:36,133 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 52 [2020-10-28 16:46:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:36,134 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-10-28 16:46:36,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:46:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-10-28 16:46:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:46:36,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:36,138 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 16:46:36,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:46:36,139 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 16:46:36,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:36,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1945702846, now seen corresponding path program 1 times [2020-10-28 16:46:36,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:36,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466809185] [2020-10-28 16:46:36,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:36,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:36,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:36,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:46:41,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:41,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-28 16:46:41,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:46:41,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:46:41,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:41,701 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:41,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:46:41,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:41,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:41,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:41,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:41,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:41,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:41,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:41,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:46:41,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:41,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:41,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:41,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:41,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:41,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:41,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:41,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:41,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:41,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:41,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:41,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:41,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:41,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:46:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:41,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:41,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:41,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:41,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:41,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:41,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:41,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:41,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:41,868 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 16:46:41,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466809185] [2020-10-28 16:46:41,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:41,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:46:41,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089373138] [2020-10-28 16:46:41,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:46:41,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:41,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:46:41,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:46:41,874 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 5 states. [2020-10-28 16:46:42,562 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:43,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:43,909 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2020-10-28 16:46:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:46:43,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:46:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:43,914 INFO L225 Difference]: With dead ends: 240 [2020-10-28 16:46:43,914 INFO L226 Difference]: Without dead ends: 161 [2020-10-28 16:46:43,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:46:43,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-28 16:46:43,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 126. [2020-10-28 16:46:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-28 16:46:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2020-10-28 16:46:43,977 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 53 [2020-10-28 16:46:43,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:43,978 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2020-10-28 16:46:43,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:46:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2020-10-28 16:46:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:46:43,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:43,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:43,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:46:43,981 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 16:46:43,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:43,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1394444832, now seen corresponding path program 1 times [2020-10-28 16:46:43,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:43,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896313109] [2020-10-28 16:46:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:44,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:44,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:44,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:45,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:46:49,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:49,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 16:46:49,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:49,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:46:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,414 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:49,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:49,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 16:46:49,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:49,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:49,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:49,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:49,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:49,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:49,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:49,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:49,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:49,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:49,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:49,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:49,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:49,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:49,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:49,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:49,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:49,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:49,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 16:46:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:49,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:49,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:49,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:49,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:49,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:49,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:49,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:49,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:49,635 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 16:46:49,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896313109] [2020-10-28 16:46:49,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:49,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:49,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99409498] [2020-10-28 16:46:49,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:49,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:49,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:49,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:49,639 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 6 states. [2020-10-28 16:46:50,055 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:51,025 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:52,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:52,840 INFO L93 Difference]: Finished difference Result 431 states and 548 transitions. [2020-10-28 16:46:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:46:52,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 16:46:52,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:52,846 INFO L225 Difference]: With dead ends: 431 [2020-10-28 16:46:52,846 INFO L226 Difference]: Without dead ends: 333 [2020-10-28 16:46:52,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:46:52,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-28 16:46:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 262. [2020-10-28 16:46:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-10-28 16:46:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 321 transitions. [2020-10-28 16:46:52,948 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 321 transitions. Word has length 58 [2020-10-28 16:46:52,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:52,949 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 321 transitions. [2020-10-28 16:46:52,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:46:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 321 transitions. [2020-10-28 16:46:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 16:46:52,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:52,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:52,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:46:52,953 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 16:46:52,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:52,953 INFO L82 PathProgramCache]: Analyzing trace with hash 181313308, now seen corresponding path program 1 times [2020-10-28 16:46:52,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:52,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581693476] [2020-10-28 16:46:52,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:52,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:53,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:54,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:57,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:57,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 16:46:57,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:57,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 16:46:57,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:46:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 16:46:58,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,412 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:58,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:58,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 16:46:58,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:58,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:58,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:58,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:58,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:58,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:58,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:58,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:58,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:58,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:58,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:58,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:58,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:58,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:46:58,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:58,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:46:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:46:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:58,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 16:46:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:58,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:58,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:58,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:58,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:58,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:58,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:58,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:58,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:58,544 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 16:46:58,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581693476] [2020-10-28 16:46:58,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:58,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:58,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199923621] [2020-10-28 16:46:58,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:58,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:58,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:58,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:58,547 INFO L87 Difference]: Start difference. First operand 262 states and 321 transitions. Second operand 6 states. [2020-10-28 16:46:59,055 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:02,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:02,231 INFO L93 Difference]: Finished difference Result 684 states and 949 transitions. [2020-10-28 16:47:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:47:02,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-28 16:47:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:02,240 INFO L225 Difference]: With dead ends: 684 [2020-10-28 16:47:02,240 INFO L226 Difference]: Without dead ends: 680 [2020-10-28 16:47:02,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:47:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-28 16:47:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 504. [2020-10-28 16:47:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-28 16:47:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 628 transitions. [2020-10-28 16:47:02,447 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 628 transitions. Word has length 63 [2020-10-28 16:47:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:02,448 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 628 transitions. [2020-10-28 16:47:02,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 628 transitions. [2020-10-28 16:47:02,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 16:47:02,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:02,453 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:02,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:47:02,454 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:47:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:02,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1272939151, now seen corresponding path program 1 times [2020-10-28 16:47:02,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:02,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954132612] [2020-10-28 16:47:02,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:02,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:02,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:02,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:02,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:03,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:06,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:07,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 16:47:07,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:47:07,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 16:47:07,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:07,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:07,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:07,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:47:07,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:47:07,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:07,919 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:07,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:07,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:07,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:07,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:47:07,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:07,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:07,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:07,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:07,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:07,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:07,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:07,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:07,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:07,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:07,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:07,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:07,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:07,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:07,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:07,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:07,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:07,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:07,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:07,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:07,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:07,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:07,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:07,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:07,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:07,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:07,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:07,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:07,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:07,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:07,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:07,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:07,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:07,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:07,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:47:08,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:47:08,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:47:08,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:08,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:47:08,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:47:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:47:08,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:47:08,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 16:47:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:47:08,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 16:47:08,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:47:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:47:08,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:47:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:47:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:47:08,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:47:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:08,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 16:47:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:08,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 16:47:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:08,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 16:47:08,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954132612] [2020-10-28 16:47:08,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:47:08,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:47:08,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100997408] [2020-10-28 16:47:08,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:47:08,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:08,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:47:08,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:47:08,294 INFO L87 Difference]: Start difference. First operand 504 states and 628 transitions. Second operand 13 states. [2020-10-28 16:47:09,042 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:10,539 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:47:11,405 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-28 16:47:12,240 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-28 16:47:12,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:12,879 INFO L93 Difference]: Finished difference Result 716 states and 958 transitions. [2020-10-28 16:47:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:47:12,883 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-28 16:47:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:12,884 INFO L225 Difference]: With dead ends: 716 [2020-10-28 16:47:12,884 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:47:12,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:47:12,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:47:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:47:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:47:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:47:12,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2020-10-28 16:47:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:12,890 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:47:12,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:47:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:47:12,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:47:12,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:47:12,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:47:13,045 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:47:13,238 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 221 [2020-10-28 16:47:14,579 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 11 [2020-10-28 16:47:17,650 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:17,992 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:18,670 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:47:18,976 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:19,546 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:47:20,115 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:47:20,416 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-28 16:47:20,974 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:21,322 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-10-28 16:47:21,697 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:22,287 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:47:22,608 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:47:23,170 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:47:23,464 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:23,781 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:24,324 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:47:24,895 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:25,437 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:47:26,035 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-10-28 16:47:26,399 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:26,729 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:27,102 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:27,408 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:27,716 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:27,998 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:47:28,678 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:47:29,271 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:47:29,575 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:29,582 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point L410(lines 410 414) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point L410-1(lines 410 414) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 379 434) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 425) no Hoare annotation was computed. [2020-10-28 16:47:29,583 INFO L274 CegarLoopResult]: For program point L426(lines 403 427) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 379 434) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 379 434) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point L480-1(line 480) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 435 494) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point L467-1(lines 467 471) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 435 494) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 16:47:29,584 INFO L274 CegarLoopResult]: For program point L461-2(lines 461 486) no Hoare annotation was computed. [2020-10-28 16:47:29,585 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 435 494) no Hoare annotation was computed. [2020-10-28 16:47:29,585 INFO L274 CegarLoopResult]: For program point L487(lines 460 488) no Hoare annotation was computed. [2020-10-28 16:47:29,585 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 714 720) the Hoare annotation is: true [2020-10-28 16:47:29,585 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 714 720) no Hoare annotation was computed. [2020-10-28 16:47:29,585 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 721 729) no Hoare annotation was computed. [2020-10-28 16:47:29,585 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 721 729) the Hoare annotation is: true [2020-10-28 16:47:29,585 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 721 729) no Hoare annotation was computed. [2020-10-28 16:47:29,585 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 805 827) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,586 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 805 827) no Hoare annotation was computed. [2020-10-28 16:47:29,586 INFO L270 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,586 INFO L270 CegarLoopResult]: At program point L817-1(line 817) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,586 INFO L274 CegarLoopResult]: For program point L815(lines 815 822) no Hoare annotation was computed. [2020-10-28 16:47:29,586 INFO L274 CegarLoopResult]: For program point L815-1(lines 815 822) no Hoare annotation was computed. [2020-10-28 16:47:29,586 INFO L274 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-10-28 16:47:29,586 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 805 827) no Hoare annotation was computed. [2020-10-28 16:47:29,587 INFO L270 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,587 INFO L270 CegarLoopResult]: At program point L811(line 811) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,587 INFO L270 CegarLoopResult]: At program point L811-1(line 811) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,587 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-10-28 16:47:29,587 INFO L274 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-10-28 16:47:29,587 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 762 785) no Hoare annotation was computed. [2020-10-28 16:47:29,587 INFO L274 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-10-28 16:47:29,587 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 762 785) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 762 785) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-10-28 16:47:29,588 INFO L274 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-10-28 16:47:29,589 INFO L274 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-10-28 16:47:29,589 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 231 245) no Hoare annotation was computed. [2020-10-28 16:47:29,589 INFO L270 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,589 INFO L274 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-10-28 16:47:29,589 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 231 245) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:47:29,589 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 231 245) no Hoare annotation was computed. [2020-10-28 16:47:29,589 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 167 175) no Hoare annotation was computed. [2020-10-28 16:47:29,589 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 167 175) the Hoare annotation is: true [2020-10-28 16:47:29,589 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 167 175) no Hoare annotation was computed. [2020-10-28 16:47:29,589 INFO L274 CegarLoopResult]: For program point L221(lines 221 225) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L277 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: true [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point L221-2(lines 221 225) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 212 230) the Hoare annotation is: true [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 212 230) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 212 230) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point L195-2(lines 195 203) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point L183(lines 183 191) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point L183-2(lines 183 191) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 176 211) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-28 16:47:29,590 INFO L274 CegarLoopResult]: For program point L206-1(line 206) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 176 211) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point L195(lines 195 203) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 176 211) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 707 713) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 707 713) the Hoare annotation is: true [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 333 378) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 333 378) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 333 378) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point L670(lines 670 671) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point L666(lines 666 673) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 646 691) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point L660(lines 660 680) no Hoare annotation was computed. [2020-10-28 16:47:29,591 INFO L274 CegarLoopResult]: For program point L660-1(lines 660 680) no Hoare annotation was computed. [2020-10-28 16:47:29,592 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 670 671) no Hoare annotation was computed. [2020-10-28 16:47:29,592 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 677 678) no Hoare annotation was computed. [2020-10-28 16:47:29,592 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 646 691) no Hoare annotation was computed. [2020-10-28 16:47:29,592 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 646 691) no Hoare annotation was computed. [2020-10-28 16:47:29,592 INFO L274 CegarLoopResult]: For program point L677(lines 677 678) no Hoare annotation was computed. [2020-10-28 16:47:29,592 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 794 804) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,592 INFO L270 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,592 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 794 804) no Hoare annotation was computed. [2020-10-28 16:47:29,593 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 794 804) no Hoare annotation was computed. [2020-10-28 16:47:29,593 INFO L277 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: true [2020-10-28 16:47:29,593 INFO L274 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-10-28 16:47:29,593 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 156 166) the Hoare annotation is: true [2020-10-28 16:47:29,593 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 156 166) no Hoare annotation was computed. [2020-10-28 16:47:29,593 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 156 166) no Hoare annotation was computed. [2020-10-28 16:47:29,593 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 148 155) the Hoare annotation is: true [2020-10-28 16:47:29,593 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 148 155) no Hoare annotation was computed. [2020-10-28 16:47:29,593 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 148 155) no Hoare annotation was computed. [2020-10-28 16:47:29,593 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,593 INFO L270 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,593 INFO L274 CegarLoopResult]: For program point L123(lines 123 131) no Hoare annotation was computed. [2020-10-28 16:47:29,594 INFO L270 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,594 INFO L274 CegarLoopResult]: For program point L121-1(line 121) no Hoare annotation was computed. [2020-10-28 16:47:29,594 INFO L274 CegarLoopResult]: For program point L119(lines 119 136) no Hoare annotation was computed. [2020-10-28 16:47:29,594 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 115 139) no Hoare annotation was computed. [2020-10-28 16:47:29,594 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 115 139) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,594 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,594 INFO L274 CegarLoopResult]: For program point L134-1(lines 115 139) no Hoare annotation was computed. [2020-10-28 16:47:29,594 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 81 87) no Hoare annotation was computed. [2020-10-28 16:47:29,594 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 81 87) the Hoare annotation is: true [2020-10-28 16:47:29,594 INFO L270 CegarLoopResult]: At program point testENTRY(lines 258 325) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,595 INFO L270 CegarLoopResult]: At program point L318(lines 267 319) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,595 INFO L274 CegarLoopResult]: For program point testFINAL(lines 258 325) no Hoare annotation was computed. [2020-10-28 16:47:29,595 INFO L270 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,595 INFO L274 CegarLoopResult]: For program point L306(lines 306 312) no Hoare annotation was computed. [2020-10-28 16:47:29,595 INFO L270 CegarLoopResult]: At program point L306-1(lines 298 313) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,595 INFO L274 CegarLoopResult]: For program point L269(lines 268 317) no Hoare annotation was computed. [2020-10-28 16:47:29,595 INFO L270 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,595 INFO L274 CegarLoopResult]: For program point L298(lines 298 313) no Hoare annotation was computed. [2020-10-28 16:47:29,595 INFO L270 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,595 INFO L274 CegarLoopResult]: For program point L288(lines 288 294) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L270 CegarLoopResult]: At program point L315(lines 268 317) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,596 INFO L270 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point testEXIT(lines 258 325) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 624 625) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 631 632) no Hoare annotation was computed. [2020-10-28 16:47:29,596 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 600 645) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point L631(lines 631 632) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 600 645) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 600 645) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point L624(lines 624 625) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point L620(lines 620 627) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point L614(lines 614 634) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point L614-1(lines 614 634) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 958 966) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 958 966) the Hoare annotation is: true [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 958 966) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L270 CegarLoopResult]: At program point L854(line 854) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2020-10-28 16:47:29,597 INFO L274 CegarLoopResult]: For program point L851(lines 851 861) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L270 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,598 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 839 867) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point L847(lines 847 864) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point L847-1(lines 839 867) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L270 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point L845-1(line 845) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 839 867) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point L934(lines 934 942) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2020-10-28 16:47:29,598 INFO L274 CegarLoopResult]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 831 838) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 831 838) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 831 838) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point L543(lines 543 584) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 497 599) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-10-28 16:47:29,599 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 497 599) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point L546-2(lines 546 566) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point L567(lines 545 568) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 497 599) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point L526(lines 526 542) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point L586(lines 586 593) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point L547(lines 546 566) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 697 706) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 697 706) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 697 706) no Hoare annotation was computed. [2020-10-28 16:47:29,600 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.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~string75.base| |old(#t~string75.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 140 147) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 140 147) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 140 147) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 949 957) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2020-10-28 16:47:29,601 INFO L274 CegarLoopResult]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L270 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point L61(lines 60 79) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 57 80) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 57 80) no Hoare annotation was computed. [2020-10-28 16:47:29,602 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 57 80) no Hoare annotation was computed. [2020-10-28 16:47:29,603 INFO L270 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,603 INFO L270 CegarLoopResult]: At program point L68(lines 68 74) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:29,603 INFO L274 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-10-28 16:47:29,603 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 732 761) no Hoare annotation was computed. [2020-10-28 16:47:29,603 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 732 761) the Hoare annotation is: true [2020-10-28 16:47:29,603 INFO L277 CegarLoopResult]: At program point L757(lines 732 761) the Hoare annotation is: true [2020-10-28 16:47:29,603 INFO L274 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-10-28 16:47:29,603 INFO L274 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-10-28 16:47:29,603 INFO L277 CegarLoopResult]: At program point L746-1(lines 746 750) the Hoare annotation is: true [2020-10-28 16:47:29,604 INFO L274 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-10-28 16:47:29,604 INFO L277 CegarLoopResult]: At program point L742-2(lines 742 756) the Hoare annotation is: true [2020-10-28 16:47:29,604 INFO L277 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: true [2020-10-28 16:47:29,604 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: true [2020-10-28 16:47:29,604 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2020-10-28 16:47:29,604 INFO L274 CegarLoopResult]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2020-10-28 16:47:29,604 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 786 792) no Hoare annotation was computed. [2020-10-28 16:47:29,604 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 786 792) the Hoare annotation is: true [2020-10-28 16:47:29,604 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:29,604 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:47:29,605 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:47:29,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:29,605 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 246 253) no Hoare annotation was computed. [2020-10-28 16:47:29,605 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 246 253) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:47:29,605 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 246 253) no Hoare annotation was computed. [2020-10-28 16:47:29,605 INFO L274 CegarLoopResult]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2020-10-28 16:47:29,605 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2020-10-28 16:47:29,605 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:47:29,605 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 869 876) no Hoare annotation was computed. [2020-10-28 16:47:29,605 INFO L274 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-10-28 16:47:29,605 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 869 876) the Hoare annotation is: true [2020-10-28 16:47:29,606 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 869 876) no Hoare annotation was computed. [2020-10-28 16:47:29,606 INFO L274 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-10-28 16:47:29,606 INFO L270 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,606 INFO L274 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-10-28 16:47:29,606 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 89 113) no Hoare annotation was computed. [2020-10-28 16:47:29,606 INFO L274 CegarLoopResult]: For program point L93(lines 93 110) no Hoare annotation was computed. [2020-10-28 16:47:29,606 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 89 113) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,606 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,606 INFO L274 CegarLoopResult]: For program point L108-1(lines 89 113) no Hoare annotation was computed. [2020-10-28 16:47:29,606 INFO L270 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,606 INFO L270 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:29,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:47:29 BoogieIcfgContainer [2020-10-28 16:47:29,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:47:29,626 INFO L168 Benchmark]: Toolchain (without parser) took 63566.03 ms. Allocated memory was 155.2 MB in the beginning and 760.2 MB in the end (delta: 605.0 MB). Free memory was 128.9 MB in the beginning and 603.5 MB in the end (delta: -474.6 MB). Peak memory consumption was 455.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:29,627 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 155.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:47:29,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.46 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 107.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:29,629 INFO L168 Benchmark]: Boogie Preprocessor took 90.99 ms. Allocated memory is still 155.2 MB. Free memory was 107.0 MB in the beginning and 103.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:29,630 INFO L168 Benchmark]: RCFGBuilder took 1593.73 ms. Allocated memory was 155.2 MB in the beginning and 199.2 MB in the end (delta: 44.0 MB). Free memory was 103.0 MB in the beginning and 176.3 MB in the end (delta: -73.3 MB). Peak memory consumption was 56.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:29,631 INFO L168 Benchmark]: TraceAbstraction took 61270.77 ms. Allocated memory was 199.2 MB in the beginning and 760.2 MB in the end (delta: 561.0 MB). Free memory was 175.8 MB in the beginning and 603.5 MB in the end (delta: -427.7 MB). Peak memory consumption was 457.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:29,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 155.2 MB. Free memory is still 127.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 596.46 ms. Allocated memory is still 155.2 MB. Free memory was 128.3 MB in the beginning and 107.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 90.99 ms. Allocated memory is still 155.2 MB. Free memory was 107.0 MB in the beginning and 103.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1593.73 ms. Allocated memory was 155.2 MB in the beginning and 199.2 MB in the end (delta: 44.0 MB). Free memory was 103.0 MB in the beginning and 176.3 MB in the end (delta: -73.3 MB). Peak memory consumption was 56.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 61270.77 ms. Allocated memory was 199.2 MB in the beginning and 760.2 MB in the end (delta: 561.0 MB). Free memory was 175.8 MB in the beginning and 603.5 MB in the end (delta: -427.7 MB). Peak memory consumption was 457.8 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: 631]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 624]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 670]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 677]: 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: 268]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || ((splverifierCounter <= 0 && pumpRunning == 0) && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 251 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.4s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 564 SDtfs, 1340 SDslu, 350 SDs, 0 SdLazy, 1719 SolverSat, 1101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=504occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 318 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 488 PreInvPairs, 553 NumberOfFragments, 973 HoareAnnotationTreeSize, 488 FomulaSimplifications, 235536 FormulaSimplificationTreeSizeReduction, 4.1s HoareSimplificationTime, 64 FomulaSimplificationsInter, 13309 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 28.3s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 100142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 25/27 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...