/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_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:45:30,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:45:30,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:45:30,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:45:30,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:45:30,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:45:30,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:45:30,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:45:30,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:45:30,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:45:30,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:45:30,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:45:30,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:45:30,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:45:30,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:45:30,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:45:30,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:45:30,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:45:30,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:45:30,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:45:30,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:45:30,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:45:30,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:45:30,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:45:30,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:45:30,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:45:30,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:45:30,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:45:30,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:45:30,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:45:30,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:45:30,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:45:30,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:45:30,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:45:30,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:45:30,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:45:30,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:45:30,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:45:30,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:45:30,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:45:30,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:45:30,326 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 16:45:30,370 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:45:30,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:45:30,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:45:30,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:45:30,372 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:45:30,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:45:30,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:45:30,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:45:30,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:45:30,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:45:30,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:45:30,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:45:30,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:45:30,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:45:30,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:45:30,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:45:30,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:45:30,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:45:30,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:45:30,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:45:30,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:45:30,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:45:30,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:45:30,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:45:30,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:45:30,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:45:30,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:45:30,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:45:30,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:45:30,377 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:45:30,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:45:30,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:45:30,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:45:30,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:45:30,791 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:45:30,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-10-28 16:45:30,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffab29875/882b9a49358f4dad8bb56bc9ea5f4963/FLAG43243028c [2020-10-28 16:45:31,683 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:45:31,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-10-28 16:45:31,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffab29875/882b9a49358f4dad8bb56bc9ea5f4963/FLAG43243028c [2020-10-28 16:45:31,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffab29875/882b9a49358f4dad8bb56bc9ea5f4963 [2020-10-28 16:45:31,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:45:31,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:45:31,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:45:31,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:45:32,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:45:32,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:45:31" (1/1) ... [2020-10-28 16:45:32,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2822bfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32, skipping insertion in model container [2020-10-28 16:45:32,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:45:31" (1/1) ... [2020-10-28 16:45:32,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:45:32,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:45:32,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:45:32,468 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:45:32,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:45:32,698 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:45:32,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32 WrapperNode [2020-10-28 16:45:32,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:45:32,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:45:32,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:45:32,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:45:32,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (1/1) ... [2020-10-28 16:45:32,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (1/1) ... [2020-10-28 16:45:32,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (1/1) ... [2020-10-28 16:45:32,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (1/1) ... [2020-10-28 16:45:32,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (1/1) ... [2020-10-28 16:45:32,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (1/1) ... [2020-10-28 16:45:32,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (1/1) ... [2020-10-28 16:45:32,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:45:32,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:45:32,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:45:32,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:45:32,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (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 16:45:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:45:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:45:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:45:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:45:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:45:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:45:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:45:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 16:45:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:45:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:45:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:45:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:45:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:45:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:45:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:45:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:45:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:45:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:45:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:45:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:45:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:45:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:45:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:45:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:45:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:45:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:45:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:45:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:45:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:45:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:45:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:45:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:45:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:45:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:45:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:45:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:45:32,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:45:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:45:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:45:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:45:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:45:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:45:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:45:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:45:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:45:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:45:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:45:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:45:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:45:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:45:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:45:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:45:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:45:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:45:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:45:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:45:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:45:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:45:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 16:45:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:45:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:45:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:45:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:45:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:45:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:45:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:45:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:45:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:45:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:45:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:45:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:45:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:45:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:45:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:45:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:45:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:45:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:45:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:45:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:45:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:45:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:45:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:45:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:45:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:45:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:45:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:45:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:45:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:45:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:45:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:45:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:45:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:45:34,362 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:45:34,363 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:45:34,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:45:34 BoogieIcfgContainer [2020-10-28 16:45:34,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:45:34,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:45:34,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:45:34,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:45:34,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:45:31" (1/3) ... [2020-10-28 16:45:34,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b70f6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:45:34, skipping insertion in model container [2020-10-28 16:45:34,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:32" (2/3) ... [2020-10-28 16:45:34,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b70f6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:45:34, skipping insertion in model container [2020-10-28 16:45:34,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:45:34" (3/3) ... [2020-10-28 16:45:34,376 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-10-28 16:45:34,388 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:45:34,394 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:45:34,408 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:45:34,438 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:45:34,438 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:45:34,438 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:45:34,438 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:45:34,439 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:45:34,439 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:45:34,439 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:45:34,439 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:45:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-28 16:45:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:45:34,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:34,473 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 16:45:34,473 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 16:45:34,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:34,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1442238082, now seen corresponding path program 1 times [2020-10-28 16:45:34,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:34,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156095197] [2020-10-28 16:45:34,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:34,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:35,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:35,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:37,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:37,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:39,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:39,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:45:39,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:45:39,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:39,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:39,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:39,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:45:39,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:45:40,414 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:40,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:40,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 16:45:40,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:40,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:40,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:40,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:40,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:40,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:40,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:45:40,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:40,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:40,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:40,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:40,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:40,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:40,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:40,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:40,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:40,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:40,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:40,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:40,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:45:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:40,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:40,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:40,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:45:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:40,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:40,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:40,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:40,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:40,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:40,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:40,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:40,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:40,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:40,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:40,645 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 16:45:40,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156095197] [2020-10-28 16:45:40,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:40,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:45:40,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988565628] [2020-10-28 16:45:40,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:45:40,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:40,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:45:40,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:45:40,680 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-10-28 16:45:41,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:41,832 INFO L93 Difference]: Finished difference Result 256 states and 341 transitions. [2020-10-28 16:45:41,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:45:41,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:45:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:41,849 INFO L225 Difference]: With dead ends: 256 [2020-10-28 16:45:41,849 INFO L226 Difference]: Without dead ends: 143 [2020-10-28 16:45:41,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:45:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-28 16:45:41,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-10-28 16:45:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-28 16:45:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2020-10-28 16:45:41,954 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2020-10-28 16:45:41,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:41,954 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2020-10-28 16:45:41,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:45:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2020-10-28 16:45:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:45:41,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:41,958 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 16:45:41,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:45:41,959 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 16:45:41,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:41,960 INFO L82 PathProgramCache]: Analyzing trace with hash 468247780, now seen corresponding path program 1 times [2020-10-28 16:45:41,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:41,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911290224] [2020-10-28 16:45:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:42,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:42,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:43,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:43,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:45:47,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:47,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 16:45:47,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:45:47,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:45:47,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,455 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:45:47,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:45:47,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:47,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:47,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:47,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:47,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:47,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:45:47,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:47,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:47,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:45:47,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:45:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:45:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:47,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:47,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:45:47,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:45:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:47,599 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 16:45:47,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911290224] [2020-10-28 16:45:47,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:47,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:45:47,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551379774] [2020-10-28 16:45:47,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:45:47,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:47,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:45:47,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:45:47,605 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 5 states. [2020-10-28 16:45:48,359 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:45:49,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:49,344 INFO L93 Difference]: Finished difference Result 192 states and 240 transitions. [2020-10-28 16:45:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:45:49,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:45:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:49,348 INFO L225 Difference]: With dead ends: 192 [2020-10-28 16:45:49,348 INFO L226 Difference]: Without dead ends: 133 [2020-10-28 16:45:49,349 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 16:45:49,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-28 16:45:49,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 102. [2020-10-28 16:45:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-28 16:45:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2020-10-28 16:45:49,417 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2020-10-28 16:45:49,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:49,417 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2020-10-28 16:45:49,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:45:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2020-10-28 16:45:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-28 16:45:49,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:49,420 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] [2020-10-28 16:45:49,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:45:49,420 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 16:45:49,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:49,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1050242756, now seen corresponding path program 1 times [2020-10-28 16:45:49,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:49,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757505453] [2020-10-28 16:45:49,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:49,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:49,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:51,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:52,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:54,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:54,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:45:54,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:54,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 16:45:54,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:54,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:45:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:54,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 16:45:54,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:54,916 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:54,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:54,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 16:45:55,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:45:55,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:55,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:55,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:55,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:45:55,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 16:45:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:45:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:55,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,093 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 16:45:55,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757505453] [2020-10-28 16:45:55,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:55,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:45:55,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080209690] [2020-10-28 16:45:55,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:45:55,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:55,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:45:55,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:45:55,095 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 6 states. [2020-10-28 16:45:55,571 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:45:56,535 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:45:58,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:58,199 INFO L93 Difference]: Finished difference Result 351 states and 448 transitions. [2020-10-28 16:45:58,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:45:58,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-10-28 16:45:58,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:58,204 INFO L225 Difference]: With dead ends: 351 [2020-10-28 16:45:58,205 INFO L226 Difference]: Without dead ends: 277 [2020-10-28 16:45:58,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:45:58,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-28 16:45:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 218. [2020-10-28 16:45:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-28 16:45:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 267 transitions. [2020-10-28 16:45:58,290 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 267 transitions. Word has length 57 [2020-10-28 16:45:58,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:58,290 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 267 transitions. [2020-10-28 16:45:58,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:45:58,291 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 267 transitions. [2020-10-28 16:45:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 16:45:58,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:58,293 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 16:45:58,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:45:58,294 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 16:45:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:58,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1999802908, now seen corresponding path program 1 times [2020-10-28 16:45:58,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:58,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487382691] [2020-10-28 16:45:58,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:58,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:58,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:59,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:59,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:59,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 16:46:03,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:03,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 16:46:03,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:46:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 16:46:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,710 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:03,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:03,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:03,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:03,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:03,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:03,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:03,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:03,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:03,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:03,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:03,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:03,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:03,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:03,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:46:03,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:03,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:46:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:46:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:03,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:03,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:03,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:03,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 16:46:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:03,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:03,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:03,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:03,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:03,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:03,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:03,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:03,828 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 16:46:03,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487382691] [2020-10-28 16:46:03,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:03,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:03,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577617669] [2020-10-28 16:46:03,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:03,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:03,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:03,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:03,831 INFO L87 Difference]: Start difference. First operand 218 states and 267 transitions. Second operand 6 states. [2020-10-28 16:46:04,274 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:06,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:06,263 INFO L93 Difference]: Finished difference Result 583 states and 819 transitions. [2020-10-28 16:46:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:46:06,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-28 16:46:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:06,270 INFO L225 Difference]: With dead ends: 583 [2020-10-28 16:46:06,270 INFO L226 Difference]: Without dead ends: 579 [2020-10-28 16:46:06,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:46:06,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2020-10-28 16:46:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 416. [2020-10-28 16:46:06,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-28 16:46:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 520 transitions. [2020-10-28 16:46:06,442 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 520 transitions. Word has length 63 [2020-10-28 16:46:06,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:06,445 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 520 transitions. [2020-10-28 16:46:06,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:46:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 520 transitions. [2020-10-28 16:46:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 16:46:06,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:06,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:46:06,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:46:06,455 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 16:46:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:06,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1677233946, now seen corresponding path program 1 times [2020-10-28 16:46:06,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:06,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711737546] [2020-10-28 16:46:06,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:06,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:06,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:06,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:07,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:07,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:10,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 16:46:11,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:46:11,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:46:11,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:11,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:46:11,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:46:11,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,925 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:11,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:11,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:46:11,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:11,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:11,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:11,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:11,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:11,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:11,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:11,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:11,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:12,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:12,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:12,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:12,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:12,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:12,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:46:12,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:12,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:12,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:12,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:12,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:12,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:46:12,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:46:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:46:12,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:46:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 16:46:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:46:12,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:12,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 16:46:12,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:46:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:12,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:46:12,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:46:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:12,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:12,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:46:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:12,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:12,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:46:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 16:46:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:12,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:12,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:12,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:12,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 16:46:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:12,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:12,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:12,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:12,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:12,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:12,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:12,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 16:46:12,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711737546] [2020-10-28 16:46:12,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:46:12,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:46:12,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070693095] [2020-10-28 16:46:12,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:46:12,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:12,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:46:12,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:46:12,288 INFO L87 Difference]: Start difference. First operand 416 states and 520 transitions. Second operand 13 states. [2020-10-28 16:46:12,955 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:14,326 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:46:14,764 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:46:15,156 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:46:15,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:15,439 INFO L93 Difference]: Finished difference Result 595 states and 791 transitions. [2020-10-28 16:46:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:46:15,440 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 93 [2020-10-28 16:46:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:15,443 INFO L225 Difference]: With dead ends: 595 [2020-10-28 16:46:15,443 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:46:15,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:46:15,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:46:15,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:46:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:46:15,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:46:15,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2020-10-28 16:46:15,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:15,455 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:46:15,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:46:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:46:15,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:46:15,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:46:15,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:46:15,594 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:46:16,630 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-10-28 16:46:17,827 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2020-10-28 16:46:18,949 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:46:19,570 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 21 [2020-10-28 16:46:19,859 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:20,386 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:20,689 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:20,839 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-28 16:46:21,163 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:21,728 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-28 16:46:22,013 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:46:22,566 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 13 [2020-10-28 16:46:23,159 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 13 [2020-10-28 16:46:23,709 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 12 [2020-10-28 16:46:24,282 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-28 16:46:24,834 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 12 [2020-10-28 16:46:24,975 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 22 [2020-10-28 16:46:25,269 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:25,561 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:25,838 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:46:26,117 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-10-28 16:46:26,458 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:26,753 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:27,316 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:46:27,589 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:46:27,765 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 22 [2020-10-28 16:46:28,067 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:28,681 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 16 [2020-10-28 16:46:29,012 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:46:29,580 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 12 [2020-10-28 16:46:29,586 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:46:29,586 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:46:29,586 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:46:29,586 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:46:29,586 INFO L274 CegarLoopResult]: For program point L476(lines 453 477) no Hoare annotation was computed. [2020-10-28 16:46:29,586 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 429 484) no Hoare annotation was computed. [2020-10-28 16:46:29,586 INFO L274 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L460-1(lines 460 464) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 429 484) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L454-2(lines 454 475) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 429 484) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L511-2(lines 511 536) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L537(lines 510 538) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 485 544) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-10-28 16:46:29,587 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 485 544) no Hoare annotation was computed. [2020-10-28 16:46:29,588 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 485 544) no Hoare annotation was computed. [2020-10-28 16:46:29,588 INFO L274 CegarLoopResult]: For program point L517(lines 517 521) no Hoare annotation was computed. [2020-10-28 16:46:29,588 INFO L274 CegarLoopResult]: For program point L517-1(lines 517 521) no Hoare annotation was computed. [2020-10-28 16:46:29,588 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 764 770) the Hoare annotation is: true [2020-10-28 16:46:29,588 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 764 770) no Hoare annotation was computed. [2020-10-28 16:46:29,588 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 771 779) no Hoare annotation was computed. [2020-10-28 16:46:29,588 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 771 779) the Hoare annotation is: true [2020-10-28 16:46:29,588 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 771 779) no Hoare annotation was computed. [2020-10-28 16:46:29,588 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 893 915) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,588 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 893 915) no Hoare annotation was computed. [2020-10-28 16:46:29,589 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 893 915) no Hoare annotation was computed. [2020-10-28 16:46:29,589 INFO L270 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,589 INFO L270 CegarLoopResult]: At program point L905-1(line 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,589 INFO L274 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-10-28 16:46:29,589 INFO L274 CegarLoopResult]: For program point L903-1(lines 903 910) no Hoare annotation was computed. [2020-10-28 16:46:29,589 INFO L274 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-10-28 16:46:29,589 INFO L270 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,590 INFO L270 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,590 INFO L270 CegarLoopResult]: At program point L899-1(line 899) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2020-10-28 16:46:29,590 INFO L274 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 79 85) no Hoare annotation was computed. [2020-10-28 16:46:29,591 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 79 85) the Hoare annotation is: true [2020-10-28 16:46:29,591 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 201 215) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L270 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 201 215) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 201 215) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 112 119) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 112 119) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 112 119) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 156 164) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 156 164) the Hoare annotation is: true [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 156 164) no Hoare annotation was computed. [2020-10-28 16:46:29,592 INFO L274 CegarLoopResult]: For program point L184(lines 184 192) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 165 200) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point L172(lines 172 180) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 180) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 165 200) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 165 200) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 757 763) no Hoare annotation was computed. [2020-10-28 16:46:29,593 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 757 763) the Hoare annotation is: true [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 383 428) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 383 428) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 383 428) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 696 741) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point L727(lines 727 728) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point L720(lines 720 721) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 720 721) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 727 728) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point L716(lines 716 723) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 696 741) no Hoare annotation was computed. [2020-10-28 16:46:29,594 INFO L274 CegarLoopResult]: For program point L710(lines 710 730) no Hoare annotation was computed. [2020-10-28 16:46:29,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 696 741) no Hoare annotation was computed. [2020-10-28 16:46:29,595 INFO L274 CegarLoopResult]: For program point L710-1(lines 710 730) no Hoare annotation was computed. [2020-10-28 16:46:29,595 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 882 892) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,595 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 882 892) no Hoare annotation was computed. [2020-10-28 16:46:29,595 INFO L270 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |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(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,595 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 882 892) no Hoare annotation was computed. [2020-10-28 16:46:29,595 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 145 155) the Hoare annotation is: true [2020-10-28 16:46:29,595 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 145 155) no Hoare annotation was computed. [2020-10-28 16:46:29,596 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 145 155) no Hoare annotation was computed. [2020-10-28 16:46:29,596 INFO L277 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: true [2020-10-28 16:46:29,596 INFO L274 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-10-28 16:46:29,596 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 137 144) the Hoare annotation is: true [2020-10-28 16:46:29,596 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2020-10-28 16:46:29,596 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2020-10-28 16:46:29,596 INFO L270 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:46:29,596 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-28 16:46:29,596 INFO L270 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:46:29,596 INFO L274 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-10-28 16:46:29,597 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-28 16:46:29,597 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 87 111) no Hoare annotation was computed. [2020-10-28 16:46:29,597 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 87 111) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-10-28 16:46:29,597 INFO L270 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-10-28 16:46:29,597 INFO L274 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-10-28 16:46:29,597 INFO L270 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:46:29,597 INFO L270 CegarLoopResult]: At program point testENTRY(lines 220 285) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,598 INFO L270 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,598 INFO L274 CegarLoopResult]: For program point L250(lines 250 256) no Hoare annotation was computed. [2020-10-28 16:46:29,598 INFO L274 CegarLoopResult]: For program point L250-1(lines 250 256) no Hoare annotation was computed. [2020-10-28 16:46:29,598 INFO L274 CegarLoopResult]: For program point testFINAL(lines 220 285) no Hoare annotation was computed. [2020-10-28 16:46:29,598 INFO L270 CegarLoopResult]: At program point L275(lines 230 277) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,598 INFO L270 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,602 INFO L274 CegarLoopResult]: For program point L240(lines 240 246) no Hoare annotation was computed. [2020-10-28 16:46:29,603 INFO L274 CegarLoopResult]: For program point L240-1(lines 240 246) no Hoare annotation was computed. [2020-10-28 16:46:29,604 INFO L274 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-10-28 16:46:29,604 INFO L270 CegarLoopResult]: At program point L278(lines 229 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,604 INFO L270 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,604 INFO L274 CegarLoopResult]: For program point L266(lines 266 272) no Hoare annotation was computed. [2020-10-28 16:46:29,604 INFO L270 CegarLoopResult]: At program point L266-1(lines 260 273) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,604 INFO L274 CegarLoopResult]: For program point L231(lines 230 277) no Hoare annotation was computed. [2020-10-28 16:46:29,604 INFO L274 CegarLoopResult]: For program point L260(lines 260 273) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point testEXIT(lines 220 285) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 674 675) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point L670(lines 670 677) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 681 682) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 650 695) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point L664(lines 664 684) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point L664-1(lines 664 684) no Hoare annotation was computed. [2020-10-28 16:46:29,605 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 650 695) no Hoare annotation was computed. [2020-10-28 16:46:29,606 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 650 695) no Hoare annotation was computed. [2020-10-28 16:46:29,606 INFO L274 CegarLoopResult]: For program point L681(lines 681 682) no Hoare annotation was computed. [2020-10-28 16:46:29,606 INFO L274 CegarLoopResult]: For program point L674(lines 674 675) no Hoare annotation was computed. [2020-10-28 16:46:29,606 INFO L270 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:29,606 INFO L274 CegarLoopResult]: For program point L800-1(line 800) no Hoare annotation was computed. [2020-10-28 16:46:29,606 INFO L274 CegarLoopResult]: For program point L798(lines 798 815) no Hoare annotation was computed. [2020-10-28 16:46:29,606 INFO L274 CegarLoopResult]: For program point L798-1(lines 790 818) no Hoare annotation was computed. [2020-10-28 16:46:29,607 INFO L270 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:29,607 INFO L274 CegarLoopResult]: For program point L796-1(line 796) no Hoare annotation was computed. [2020-10-28 16:46:29,607 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 790 818) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:29,607 INFO L270 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:29,607 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 790 818) no Hoare annotation was computed. [2020-10-28 16:46:29,607 INFO L274 CegarLoopResult]: For program point L803(lines 803 809) no Hoare annotation was computed. [2020-10-28 16:46:29,607 INFO L274 CegarLoopResult]: For program point L802(lines 802 812) no Hoare annotation was computed. [2020-10-28 16:46:29,607 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 335 357) no Hoare annotation was computed. [2020-10-28 16:46:29,607 INFO L274 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed. [2020-10-28 16:46:29,608 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 335 357) no Hoare annotation was computed. [2020-10-28 16:46:29,608 INFO L274 CegarLoopResult]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2020-10-28 16:46:29,608 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 335 357) no Hoare annotation was computed. [2020-10-28 16:46:29,608 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 782 789) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:29,608 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 782 789) no Hoare annotation was computed. [2020-10-28 16:46:29,608 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 782 789) no Hoare annotation was computed. [2020-10-28 16:46:29,608 INFO L274 CegarLoopResult]: For program point L576(lines 576 592) no Hoare annotation was computed. [2020-10-28 16:46:29,608 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 547 649) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L636(lines 636 643) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L597(lines 596 616) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L593(lines 593 634) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 547 649) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-10-28 16:46:29,609 INFO L274 CegarLoopResult]: For program point L635(lines 635 646) no Hoare annotation was computed. [2020-10-28 16:46:29,610 INFO L274 CegarLoopResult]: For program point L598(lines 598 602) no Hoare annotation was computed. [2020-10-28 16:46:29,610 INFO L274 CegarLoopResult]: For program point L596-2(lines 596 616) no Hoare annotation was computed. [2020-10-28 16:46:29,610 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 547 649) no Hoare annotation was computed. [2020-10-28 16:46:29,610 INFO L274 CegarLoopResult]: For program point L617(lines 595 618) no Hoare annotation was computed. [2020-10-28 16:46:29,610 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 747 756) no Hoare annotation was computed. [2020-10-28 16:46:29,611 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 747 756) no Hoare annotation was computed. [2020-10-28 16:46:29,611 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 747 756) no Hoare annotation was computed. [2020-10-28 16:46:29,611 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:29,611 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.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~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:46:29,611 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point L127(lines 127 133) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 120 136) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 120 136) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point L131-1(lines 120 136) no Hoare annotation was computed. [2020-10-28 16:46:29,612 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 358 366) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 358 366) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 358 366) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point L318-1(lines 314 325) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 314 325) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 314 325) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:29,613 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 326 334) the Hoare annotation is: true [2020-10-28 16:46:29,613 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 326 334) no Hoare annotation was computed. [2020-10-28 16:46:29,614 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 326 334) no Hoare annotation was computed. [2020-10-28 16:46:29,614 INFO L270 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,614 INFO L274 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-10-28 16:46:29,614 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,614 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-10-28 16:46:29,614 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-10-28 16:46:29,614 INFO L270 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,614 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:29,614 INFO L274 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-10-28 16:46:29,615 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2020-10-28 16:46:29,615 INFO L277 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2020-10-28 16:46:29,615 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2020-10-28 16:46:29,615 INFO L277 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: true [2020-10-28 16:46:29,615 INFO L274 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-10-28 16:46:29,615 INFO L277 CegarLoopResult]: At program point L846(lines 821 850) the Hoare annotation is: true [2020-10-28 16:46:29,615 INFO L274 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-10-28 16:46:29,615 INFO L274 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-10-28 16:46:29,615 INFO L277 CegarLoopResult]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2020-10-28 16:46:29,616 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 290 301) the Hoare annotation is: true [2020-10-28 16:46:29,616 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 290 301) no Hoare annotation was computed. [2020-10-28 16:46:29,616 INFO L274 CegarLoopResult]: For program point L294-1(lines 290 301) no Hoare annotation was computed. [2020-10-28 16:46:29,616 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2020-10-28 16:46:29,616 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2020-10-28 16:46:29,616 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:29,616 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:46:29,616 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:46:29,616 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:29,616 INFO L274 CegarLoopResult]: For program point L306-1(lines 302 313) no Hoare annotation was computed. [2020-10-28 16:46:29,616 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 302 313) no Hoare annotation was computed. [2020-10-28 16:46:29,617 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 302 313) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:46:29,617 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 368 375) no Hoare annotation was computed. [2020-10-28 16:46:29,617 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 368 375) the Hoare annotation is: true [2020-10-28 16:46:29,617 INFO L274 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-10-28 16:46:29,617 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 368 375) no Hoare annotation was computed. [2020-10-28 16:46:29,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:46:29 BoogieIcfgContainer [2020-10-28 16:46:29,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:46:29,635 INFO L168 Benchmark]: Toolchain (without parser) took 57647.44 ms. Allocated memory was 163.6 MB in the beginning and 723.5 MB in the end (delta: 559.9 MB). Free memory was 138.2 MB in the beginning and 527.4 MB in the end (delta: -389.2 MB). Peak memory consumption was 434.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:29,635 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:46:29,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.29 ms. Allocated memory is still 163.6 MB. Free memory was 137.5 MB in the beginning and 117.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:29,637 INFO L168 Benchmark]: Boogie Preprocessor took 160.13 ms. Allocated memory is still 163.6 MB. Free memory was 117.3 MB in the beginning and 113.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:29,638 INFO L168 Benchmark]: RCFGBuilder took 1504.05 ms. Allocated memory is still 163.6 MB. Free memory was 113.4 MB in the beginning and 77.0 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:29,639 INFO L168 Benchmark]: TraceAbstraction took 55265.60 ms. Allocated memory was 163.6 MB in the beginning and 723.5 MB in the end (delta: 559.9 MB). Free memory was 76.5 MB in the beginning and 527.4 MB in the end (delta: -450.9 MB). Peak memory consumption was 373.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:29,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 703.29 ms. Allocated memory is still 163.6 MB. Free memory was 137.5 MB in the beginning and 117.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 160.13 ms. Allocated memory is still 163.6 MB. Free memory was 117.3 MB in the beginning and 113.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1504.05 ms. Allocated memory is still 163.6 MB. Free memory was 113.4 MB in the beginning and 77.0 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55265.60 ms. Allocated memory was 163.6 MB in the beginning and 723.5 MB in the end (delta: 559.9 MB). Free memory was 76.5 MB in the beginning and 527.4 MB in the end (delta: -450.9 MB). Peak memory consumption was 373.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 681]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 674]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 720]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 727]: 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: 229]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || (((splverifierCounter <= 0 && 0 <= pumpRunning) && methAndRunningLastTime == 0) && pumpRunning <= 0)) || !(0 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 234 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.0s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 475 SDtfs, 1201 SDslu, 355 SDs, 0 SdLazy, 1537 SolverSat, 958 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred 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, 285 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 354 PreInvPairs, 401 NumberOfFragments, 1019 HoareAnnotationTreeSize, 354 FomulaSimplifications, 142002 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 54 FomulaSimplificationsInter, 15108 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 28.3s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 101059 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 24/26 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...