/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:24:23,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:24:23,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:24:23,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:24:23,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:24:23,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:24:23,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:24:23,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:24:23,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:24:23,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:24:23,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:24:23,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:24:23,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:24:23,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:24:23,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:24:23,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:24:23,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:24:23,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:24:23,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:24:23,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:24:23,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:24:23,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:24:23,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:24:23,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:24:23,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:24:23,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:24:23,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:24:23,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:24:23,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:24:23,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:24:23,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:24:23,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:24:23,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:24:23,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:24:23,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:24:23,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:24:23,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:24:23,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:24:23,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:24:23,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:24:23,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:24:23,986 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 [2020-10-29 11:24:24,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:24:24,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:24:24,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:24:24,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:24:24,012 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:24:24,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:24:24,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:24:24,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:24:24,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:24:24,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:24:24,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:24:24,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:24:24,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:24:24,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:24:24,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:24:24,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:24:24,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:24:24,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:24:24,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:24:24,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:24:24,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:24:24,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:24:24,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:24:24,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:24:24,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:24:24,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:24:24,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:24:24,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:24:24,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:24:24,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:24:24,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:24:24,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:24:24,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:24:24,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:24:24,395 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:24:24,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2020-10-29 11:24:24,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed93aba8b/1bc4524015dc4a8ea50bdf91777dd3d8/FLAG73ad8878a [2020-10-29 11:24:25,092 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:24:25,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2020-10-29 11:24:25,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed93aba8b/1bc4524015dc4a8ea50bdf91777dd3d8/FLAG73ad8878a [2020-10-29 11:24:25,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed93aba8b/1bc4524015dc4a8ea50bdf91777dd3d8 [2020-10-29 11:24:25,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:24:25,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:24:25,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:24:25,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:24:25,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:24:25,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:25,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e558f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25, skipping insertion in model container [2020-10-29 11:24:25,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:25,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:24:25,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:24:25,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:24:25,816 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:24:25,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:24:25,942 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:24:25,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25 WrapperNode [2020-10-29 11:24:25,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:24:25,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:24:25,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:24:25,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:24:25,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:25,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:25,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:25,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:26,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:26,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:26,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (1/1) ... [2020-10-29 11:24:26,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:24:26,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:24:26,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:24:26,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:24:26,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (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 [2020-10-29 11:24:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:24:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:24:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:24:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:24:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:24:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:24:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:24:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:24:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-29 11:24:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:24:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:24:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:24:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:24:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:24:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:24:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:24:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:24:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:24:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:24:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:24:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:24:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:24:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:24:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:24:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:24:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:24:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:24:26,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:24:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:24:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:24:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:24:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:24:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:24:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:24:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:24:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:24:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:24:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:24:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:24:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:24:26,146 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:24:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:24:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:24:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:24:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:24:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:24:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:24:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:24:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:24:26,148 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:24:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:24:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:24:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:24:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:24:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:24:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:24:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:24:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:24:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:24:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:24:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:24:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-29 11:24:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:24:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:24:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:24:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:24:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:24:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:24:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:24:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:24:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:24:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:24:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:24:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:24:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:24:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:24:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:24:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:24:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:24:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:24:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:24:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:24:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:24:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:24:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:24:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:24:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:24:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:24:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:24:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:24:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:24:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:24:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:24:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:24:27,456 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:24:27,457 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:24:27,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:24:27 BoogieIcfgContainer [2020-10-29 11:24:27,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:24:27,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:24:27,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:24:27,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:24:27,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:24:25" (1/3) ... [2020-10-29 11:24:27,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24495b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:24:27, skipping insertion in model container [2020-10-29 11:24:27,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:25" (2/3) ... [2020-10-29 11:24:27,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24495b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:24:27, skipping insertion in model container [2020-10-29 11:24:27,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:24:27" (3/3) ... [2020-10-29 11:24:27,467 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2020-10-29 11:24:27,479 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:24:27,484 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:24:27,497 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:24:27,524 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:24:27,524 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:24:27,525 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:24:27,525 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:24:27,525 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:24:27,525 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:24:27,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:24:27,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:24:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-10-29 11:24:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:24:27,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:24:27,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:24:27,557 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]=== [2020-10-29 11:24:27,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:24:27,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2093508188, now seen corresponding path program 1 times [2020-10-29 11:24:27,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:24:27,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738492842] [2020-10-29 11:24:27,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:24:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:28,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:28,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:29,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:29,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:24:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:24:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 11:24:32,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:32,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:24:32,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-29 11:24:33,247 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:33,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:24:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:33,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:33,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:33,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:33,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 11:24:33,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:33,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:24:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:33,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:24:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:33,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:33,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:33,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:33,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:33,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:33,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:33,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:33,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:24:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:33,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:33,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:33,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:33,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:33,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:33,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:33,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:24:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:33,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:33,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:33,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:33,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:33,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:33,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:33,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:24:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:33,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:33,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:33,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:33,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:33,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:33,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:33,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:24:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:33,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:33,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:33,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:33,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:24:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:33,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:33,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:33,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:33,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:33,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:33,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:33,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:24:33,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738492842] [2020-10-29 11:24:33,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:24:33,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:24:33,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186470924] [2020-10-29 11:24:33,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:24:33,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:24:33,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:24:33,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:24:33,470 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 4 states. [2020-10-29 11:24:33,898 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:24:35,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:24:35,043 INFO L93 Difference]: Finished difference Result 284 states and 376 transitions. [2020-10-29 11:24:35,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:24:35,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:24:35,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:24:35,059 INFO L225 Difference]: With dead ends: 284 [2020-10-29 11:24:35,059 INFO L226 Difference]: Without dead ends: 152 [2020-10-29 11:24:35,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:24:35,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-29 11:24:35,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 120. [2020-10-29 11:24:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-29 11:24:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-10-29 11:24:35,215 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-10-29 11:24:35,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:24:35,219 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-10-29 11:24:35,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:24:35,219 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-10-29 11:24:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 11:24:35,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:24:35,231 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:24:35,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:24:35,231 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]=== [2020-10-29 11:24:35,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:24:35,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1614838229, now seen corresponding path program 1 times [2020-10-29 11:24:35,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:24:35,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531609555] [2020-10-29 11:24:35,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:24:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:35,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:35,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:36,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:36,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:37,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:24:40,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:24:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 11:24:40,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:24:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:40,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:24:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,738 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:40,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:24:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:40,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 11:24:40,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:40,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:24:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:24:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:40,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:40,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:24:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:40,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:40,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:24:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:40,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:24:40,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:40,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:24:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:40,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:40,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 11:24:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:24:40,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:24:40,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:24:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:24:40,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:40,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:40,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:40,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:24:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:40,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:40,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:40,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:40,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:40,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:24:40,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:40,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:24:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 11:24:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:41,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:41,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:41,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:41,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:41,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:41,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:24:41,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531609555] [2020-10-29 11:24:41,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:24:41,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:24:41,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083658398] [2020-10-29 11:24:41,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:24:41,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:24:41,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:24:41,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:24:41,067 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 8 states. [2020-10-29 11:24:41,651 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:24:43,006 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2020-10-29 11:24:43,789 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:24:44,674 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:45,060 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:24:45,767 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:46,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:24:46,842 INFO L93 Difference]: Finished difference Result 399 states and 542 transitions. [2020-10-29 11:24:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:24:46,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-29 11:24:46,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:24:46,850 INFO L225 Difference]: With dead ends: 399 [2020-10-29 11:24:46,851 INFO L226 Difference]: Without dead ends: 280 [2020-10-29 11:24:46,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:24:46,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-29 11:24:46,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 197. [2020-10-29 11:24:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-29 11:24:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 235 transitions. [2020-10-29 11:24:46,946 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 235 transitions. Word has length 61 [2020-10-29 11:24:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:24:46,946 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 235 transitions. [2020-10-29 11:24:46,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:24:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 235 transitions. [2020-10-29 11:24:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 11:24:46,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:24:46,949 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, 1, 1, 1, 1, 1, 1] [2020-10-29 11:24:46,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:24:46,950 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]=== [2020-10-29 11:24:46,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:24:46,950 INFO L82 PathProgramCache]: Analyzing trace with hash -475702219, now seen corresponding path program 1 times [2020-10-29 11:24:46,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:24:46,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068758079] [2020-10-29 11:24:46,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:24:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:46,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:47,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:47,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:47,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 11:24:49,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:24:49,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2245 [2020-10-29 11:24:49,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:24:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-29 11:24:49,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,597 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:49,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:24:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:49,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-29 11:24:49,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:24:49,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:24:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:49,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:49,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:24:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:49,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:49,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:24:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:49,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:49,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:24:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:49,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:49,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:49,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:24:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:49,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:49,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:49,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:24:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:24:49,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:24:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 11:24:49,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:24:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:24:49,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:24:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:24:49,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:24:49,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:24:49,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:24:49,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:24:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:49,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:49,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:49,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 11:24:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:49,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:49,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 11:24:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:49,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:49,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:49,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:49,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:24:49,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:49,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:24:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:49,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:24:49,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068758079] [2020-10-29 11:24:49,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:24:49,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:24:49,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345346134] [2020-10-29 11:24:49,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:24:49,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:24:49,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:24:49,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:24:49,848 INFO L87 Difference]: Start difference. First operand 197 states and 235 transitions. Second operand 9 states. [2020-10-29 11:24:50,408 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:24:51,592 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:52,016 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:52,391 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:52,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:24:52,716 INFO L93 Difference]: Finished difference Result 332 states and 419 transitions. [2020-10-29 11:24:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:24:52,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-29 11:24:52,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:24:52,717 INFO L225 Difference]: With dead ends: 332 [2020-10-29 11:24:52,718 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:24:52,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:24:52,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:24:52,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:24:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:24:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:24:52,723 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-10-29 11:24:52,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:24:52,723 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:24:52,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:24:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:24:52,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:24:52,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:24:52,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:24:52,876 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 9 [2020-10-29 11:24:55,816 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:24:56,099 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:56,662 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-29 11:24:56,912 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:24:57,223 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:57,493 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-29 11:24:57,798 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:24:58,078 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:24:58,429 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:59,248 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-29 11:25:00,061 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-29 11:25:00,619 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-29 11:25:01,176 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:25:01,704 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-29 11:25:02,003 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-29 11:25:02,305 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:25:02,850 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 15 [2020-10-29 11:25:03,387 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:25:03,666 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:25:03,977 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:25:04,258 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:25:04,560 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:25:04,838 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:25:05,119 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:25:05,942 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-29 11:25:06,469 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:25:06,736 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:25:06,755 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:25:06,755 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:25:06,755 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:25:06,755 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:25:06,755 INFO L274 CegarLoopResult]: For program point L575(lines 552 576) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 528 583) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point L559-1(lines 559 563) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point L553-2(lines 553 574) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 528 583) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 528 583) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point L610-2(lines 610 635) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point L636(lines 609 637) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 584 643) no Hoare annotation was computed. [2020-10-29 11:25:06,756 INFO L274 CegarLoopResult]: For program point L629(line 629) no Hoare annotation was computed. [2020-10-29 11:25:06,757 INFO L274 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-10-29 11:25:06,757 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 584 643) no Hoare annotation was computed. [2020-10-29 11:25:06,757 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 584 643) no Hoare annotation was computed. [2020-10-29 11:25:06,757 INFO L274 CegarLoopResult]: For program point L616(lines 616 620) no Hoare annotation was computed. [2020-10-29 11:25:06,757 INFO L274 CegarLoopResult]: For program point L616-1(lines 616 620) no Hoare annotation was computed. [2020-10-29 11:25:06,757 INFO L274 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-10-29 11:25:06,757 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 432 438) the Hoare annotation is: true [2020-10-29 11:25:06,758 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 432 438) no Hoare annotation was computed. [2020-10-29 11:25:06,758 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 439 447) no Hoare annotation was computed. [2020-10-29 11:25:06,758 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 439 447) the Hoare annotation is: true [2020-10-29 11:25:06,758 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 439 447) no Hoare annotation was computed. [2020-10-29 11:25:06,758 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 390 412) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,759 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 390 412) no Hoare annotation was computed. [2020-10-29 11:25:06,759 INFO L270 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,759 INFO L270 CegarLoopResult]: At program point L402-1(line 402) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,759 INFO L274 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-10-29 11:25:06,759 INFO L274 CegarLoopResult]: For program point L400-1(lines 400 407) no Hoare annotation was computed. [2020-10-29 11:25:06,760 INFO L274 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-29 11:25:06,760 INFO L270 CegarLoopResult]: At program point L397(line 397) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,760 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 390 412) no Hoare annotation was computed. [2020-10-29 11:25:06,760 INFO L270 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,760 INFO L270 CegarLoopResult]: At program point L396-1(line 396) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,760 INFO L274 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-10-29 11:25:06,760 INFO L274 CegarLoopResult]: For program point L352(line 352) no Hoare annotation was computed. [2020-10-29 11:25:06,760 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 346 369) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L351(line 351) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 346 369) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 346 369) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-10-29 11:25:06,761 INFO L274 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-10-29 11:25:06,762 INFO L274 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-10-29 11:25:06,762 INFO L274 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-10-29 11:25:06,762 INFO L274 CegarLoopResult]: For program point L355(line 355) no Hoare annotation was computed. [2020-10-29 11:25:06,762 INFO L274 CegarLoopResult]: For program point L354(line 354) no Hoare annotation was computed. [2020-10-29 11:25:06,762 INFO L270 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,762 INFO L274 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-10-29 11:25:06,762 INFO L270 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,762 INFO L274 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-10-29 11:25:06,762 INFO L274 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-10-29 11:25:06,763 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 87 111) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,763 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 87 111) no Hoare annotation was computed. [2020-10-29 11:25:06,763 INFO L270 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,763 INFO L274 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-10-29 11:25:06,763 INFO L270 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,763 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 182 190) no Hoare annotation was computed. [2020-10-29 11:25:06,763 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 182 190) the Hoare annotation is: true [2020-10-29 11:25:06,763 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 182 190) no Hoare annotation was computed. [2020-10-29 11:25:06,763 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L277 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: true [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 227 245) the Hoare annotation is: true [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point L234-1(line 234) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 227 245) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 227 245) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-10-29 11:25:06,764 INFO L274 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 191 226) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 191 226) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point L198(lines 198 206) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point L198-2(lines 198 206) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 191 226) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 425 431) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 425 431) the Hoare annotation is: true [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 482 527) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 482 527) no Hoare annotation was computed. [2020-10-29 11:25:06,765 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 482 527) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point L826(lines 826 827) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 795 840) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point L819(lines 819 820) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point L815(lines 815 822) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 819 820) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 826 827) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 795 840) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point L809(lines 809 829) no Hoare annotation was computed. [2020-10-29 11:25:06,766 INFO L274 CegarLoopResult]: For program point L809-1(lines 809 829) no Hoare annotation was computed. [2020-10-29 11:25:06,767 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 795 840) no Hoare annotation was computed. [2020-10-29 11:25:06,767 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 377 386) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,767 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 377 386) no Hoare annotation was computed. [2020-10-29 11:25:06,767 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 377 386) no Hoare annotation was computed. [2020-10-29 11:25:06,767 INFO L277 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: true [2020-10-29 11:25:06,767 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 171 181) the Hoare annotation is: true [2020-10-29 11:25:06,767 INFO L274 CegarLoopResult]: For program point L176-1(line 176) no Hoare annotation was computed. [2020-10-29 11:25:06,767 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 171 181) no Hoare annotation was computed. [2020-10-29 11:25:06,768 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 171 181) no Hoare annotation was computed. [2020-10-29 11:25:06,768 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 163 170) the Hoare annotation is: true [2020-10-29 11:25:06,768 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2020-10-29 11:25:06,768 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2020-10-29 11:25:06,768 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,768 INFO L270 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,768 INFO L274 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-10-29 11:25:06,768 INFO L270 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,768 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2020-10-29 11:25:06,769 INFO L274 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-10-29 11:25:06,769 INFO L274 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-10-29 11:25:06,769 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,769 INFO L270 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,769 INFO L274 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-10-29 11:25:06,769 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-10-29 11:25:06,769 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-10-29 11:25:06,769 INFO L270 CegarLoopResult]: At program point testENTRY(lines 250 313) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-29 11:25:06,769 INFO L274 CegarLoopResult]: For program point testFINAL(lines 250 313) no Hoare annotation was computed. [2020-10-29 11:25:06,770 INFO L270 CegarLoopResult]: At program point L306(lines 259 307) the Hoare annotation is: (or (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:25:06,770 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-10-29 11:25:06,770 INFO L270 CegarLoopResult]: At program point L296-2(lines 290 301) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:25:06,770 INFO L274 CegarLoopResult]: For program point L261(lines 260 305) no Hoare annotation was computed. [2020-10-29 11:25:06,770 INFO L274 CegarLoopResult]: For program point L290(lines 290 301) no Hoare annotation was computed. [2020-10-29 11:25:06,770 INFO L270 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:25:06,770 INFO L274 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-10-29 11:25:06,770 INFO L274 CegarLoopResult]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2020-10-29 11:25:06,771 INFO L270 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:25:06,771 INFO L270 CegarLoopResult]: At program point L303(lines 260 305) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:25:06,771 INFO L274 CegarLoopResult]: For program point L270(lines 270 276) no Hoare annotation was computed. [2020-10-29 11:25:06,771 INFO L274 CegarLoopResult]: For program point L270-1(lines 270 276) no Hoare annotation was computed. [2020-10-29 11:25:06,771 INFO L274 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-10-29 11:25:06,771 INFO L274 CegarLoopResult]: For program point testEXIT(lines 250 313) no Hoare annotation was computed. [2020-10-29 11:25:06,771 INFO L274 CegarLoopResult]: For program point L769(lines 769 776) no Hoare annotation was computed. [2020-10-29 11:25:06,771 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 773 774) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 780 781) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point L763(lines 763 783) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point L763-1(lines 763 783) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 749 794) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 749 794) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 749 794) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point L780(lines 780 781) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point L773(lines 773 774) no Hoare annotation was computed. [2020-10-29 11:25:06,772 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 138 145) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 138 145) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 138 145) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 922 930) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 922 930) the Hoare annotation is: true [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 922 930) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point L898-2(lines 898 906) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 890 912) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 890 912) no Hoare annotation was computed. [2020-10-29 11:25:06,773 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 890 912) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point L898(lines 898 906) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 415 424) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 415 424) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 415 424) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point L735(lines 735 742) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 646 748) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point L696(lines 695 715) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-10-29 11:25:06,774 INFO L274 CegarLoopResult]: For program point L727-1(line 727) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L692(lines 692 733) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 646 748) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L734(lines 734 745) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L697(lines 697 701) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 715) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 646 748) no Hoare annotation was computed. [2020-10-29 11:25:06,775 INFO L274 CegarLoopResult]: For program point L716(lines 694 717) no Hoare annotation was computed. [2020-10-29 11:25:06,776 INFO L274 CegarLoopResult]: For program point L675(lines 675 691) no Hoare annotation was computed. [2020-10-29 11:25:06,776 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:25:06,776 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string80.base| |old(#t~string80.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string80.offset| |old(#t~string80.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:25:06,776 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:25:06,776 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point L157-1(lines 146 162) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 146 162) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point L153(lines 153 159) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 146 162) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 913 921) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 913 921) no Hoare annotation was computed. [2020-10-29 11:25:06,777 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 913 921) no Hoare annotation was computed. [2020-10-29 11:25:06,778 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 869 880) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:25:06,778 INFO L274 CegarLoopResult]: For program point L873-1(lines 869 880) no Hoare annotation was computed. [2020-10-29 11:25:06,778 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 869 880) no Hoare annotation was computed. [2020-10-29 11:25:06,778 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:25:06,778 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:25:06,778 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:25:06,778 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 881 889) the Hoare annotation is: true [2020-10-29 11:25:06,778 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 881 889) no Hoare annotation was computed. [2020-10-29 11:25:06,778 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 881 889) no Hoare annotation was computed. [2020-10-29 11:25:06,779 INFO L270 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2020-10-29 11:25:06,779 INFO L274 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-10-29 11:25:06,779 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:25:06,779 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-10-29 11:25:06,779 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-10-29 11:25:06,779 INFO L270 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2020-10-29 11:25:06,779 INFO L270 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,780 INFO L274 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-10-29 11:25:06,780 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 316 345) no Hoare annotation was computed. [2020-10-29 11:25:06,780 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 316 345) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:25:06,780 INFO L277 CegarLoopResult]: At program point L341(lines 316 345) the Hoare annotation is: true [2020-10-29 11:25:06,780 INFO L274 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-10-29 11:25:06,780 INFO L274 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-10-29 11:25:06,780 INFO L270 CegarLoopResult]: At program point L330-1(lines 330 334) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,780 INFO L274 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-10-29 11:25:06,781 INFO L270 CegarLoopResult]: At program point L326-2(lines 326 340) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:25:06,781 INFO L270 CegarLoopResult]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:25:06,781 INFO L274 CegarLoopResult]: For program point L849-1(lines 845 856) no Hoare annotation was computed. [2020-10-29 11:25:06,781 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 845 856) the Hoare annotation is: true [2020-10-29 11:25:06,781 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 845 856) no Hoare annotation was computed. [2020-10-29 11:25:06,781 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 370 376) no Hoare annotation was computed. [2020-10-29 11:25:06,781 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 370 376) the Hoare annotation is: true [2020-10-29 11:25:06,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:25:06,782 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-29 11:25:06,782 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:25:06,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:25:06,782 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 857 868) no Hoare annotation was computed. [2020-10-29 11:25:06,782 INFO L274 CegarLoopResult]: For program point L861-1(lines 857 868) no Hoare annotation was computed. [2020-10-29 11:25:06,782 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 857 868) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:25:06,782 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 932 939) no Hoare annotation was computed. [2020-10-29 11:25:06,782 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 932 939) the Hoare annotation is: true [2020-10-29 11:25:06,783 INFO L274 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-10-29 11:25:06,783 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 932 939) no Hoare annotation was computed. [2020-10-29 11:25:06,783 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 450 474) the Hoare annotation is: true [2020-10-29 11:25:06,783 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 450 474) no Hoare annotation was computed. [2020-10-29 11:25:06,783 INFO L270 CegarLoopResult]: At program point L464(line 464) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:25:06,783 INFO L274 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-10-29 11:25:06,783 INFO L270 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:25:06,783 INFO L274 CegarLoopResult]: For program point L460-1(line 460) no Hoare annotation was computed. [2020-10-29 11:25:06,783 INFO L274 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2020-10-29 11:25:06,783 INFO L274 CegarLoopResult]: For program point L458-1(lines 450 474) no Hoare annotation was computed. [2020-10-29 11:25:06,783 INFO L277 CegarLoopResult]: At program point L456(line 456) the Hoare annotation is: true [2020-10-29 11:25:06,784 INFO L274 CegarLoopResult]: For program point L456-1(line 456) no Hoare annotation was computed. [2020-10-29 11:25:06,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:25:06 BoogieIcfgContainer [2020-10-29 11:25:06,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:25:06,802 INFO L168 Benchmark]: Toolchain (without parser) took 41403.94 ms. Allocated memory was 125.8 MB in the beginning and 556.8 MB in the end (delta: 431.0 MB). Free memory was 100.6 MB in the beginning and 272.3 MB in the end (delta: -171.7 MB). Peak memory consumption was 332.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:25:06,802 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 125.8 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:25:06,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.76 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 79.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:25:06,804 INFO L168 Benchmark]: Boogie Preprocessor took 97.06 ms. Allocated memory is still 125.8 MB. Free memory was 79.1 MB in the beginning and 75.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 11:25:06,805 INFO L168 Benchmark]: RCFGBuilder took 1416.93 ms. Allocated memory was 125.8 MB in the beginning and 153.1 MB in the end (delta: 27.3 MB). Free memory was 75.1 MB in the beginning and 96.7 MB in the end (delta: -21.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:25:06,806 INFO L168 Benchmark]: TraceAbstraction took 39339.50 ms. Allocated memory was 153.1 MB in the beginning and 556.8 MB in the end (delta: 403.7 MB). Free memory was 96.2 MB in the beginning and 272.3 MB in the end (delta: -176.2 MB). Peak memory consumption was 300.4 MB. Max. memory is 8.0 GB. [2020-10-29 11:25:06,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 125.8 MB. Free memory is still 84.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 537.76 ms. Allocated memory is still 125.8 MB. Free memory was 99.9 MB in the beginning and 79.1 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.06 ms. Allocated memory is still 125.8 MB. Free memory was 79.1 MB in the beginning and 75.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1416.93 ms. Allocated memory was 125.8 MB in the beginning and 153.1 MB in the end (delta: 27.3 MB). Free memory was 75.1 MB in the beginning and 96.7 MB in the end (delta: -21.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39339.50 ms. Allocated memory was 153.1 MB in the beginning and 556.8 MB in the end (delta: 403.7 MB). Free memory was 96.2 MB in the beginning and 272.3 MB in the end (delta: -176.2 MB). Peak memory consumption was 300.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 773]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 819]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 826]: 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: 259]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 243 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 310 SDtfs, 601 SDslu, 237 SDs, 0 SdLazy, 1297 SolverSat, 358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 317 PreInvPairs, 397 NumberOfFragments, 849 HoareAnnotationTreeSize, 317 FomulaSimplifications, 36446 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 57 FomulaSimplificationsInter, 10393 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 57774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...