/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:05:47,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:05:47,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:05:47,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:05:47,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:05:47,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:05:47,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:05:47,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:05:47,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:05:47,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:05:47,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:05:47,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:05:47,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:05:47,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:05:47,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:05:47,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:05:47,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:05:47,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:05:47,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:05:47,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:05:47,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:05:47,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:05:47,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:05:47,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:05:47,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:05:47,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:05:47,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:05:47,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:05:47,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:05:47,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:05:47,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:05:47,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:05:47,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:05:47,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:05:47,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:05:47,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:05:47,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:05:47,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:05:47,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:05:47,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:05:47,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:05:47,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 17:05:47,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:05:47,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:05:47,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:05:47,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:05:47,866 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:05:47,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:05:47,867 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:05:47,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:05:47,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:05:47,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:05:47,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:05:47,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:05:47,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:05:47,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:05:47,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:05:47,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:05:47,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:05:47,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:05:47,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:05:47,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:05:47,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:05:47,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:47,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:05:47,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:05:47,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:05:47,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:05:47,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:05:47,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:05:47,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:05:47,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:05:48,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:05:48,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:05:48,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:05:48,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:05:48,256 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:05:48,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2020-10-28 17:05:48,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7c6d46dd/ee2874229a9e437cbddbe2adc4d512ad/FLAGe7402ee08 [2020-10-28 17:05:49,040 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:05:49,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product16.cil.c [2020-10-28 17:05:49,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7c6d46dd/ee2874229a9e437cbddbe2adc4d512ad/FLAGe7402ee08 [2020-10-28 17:05:49,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7c6d46dd/ee2874229a9e437cbddbe2adc4d512ad [2020-10-28 17:05:49,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:05:49,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:05:49,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:49,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:05:49,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:05:49,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:49,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcf2070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49, skipping insertion in model container [2020-10-28 17:05:49,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:49,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:05:49,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:05:49,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:49,742 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:05:49,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:49,925 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:05:49,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49 WrapperNode [2020-10-28 17:05:49,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:49,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:05:49,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:05:49,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:05:49,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:49,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:49,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:49,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:50,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:50,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:50,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... [2020-10-28 17:05:50,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:05:50,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:05:50,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:05:50,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:05:50,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:05:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:05:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:05:50,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:05:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:05:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:05:50,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:05:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:05:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:05:50,181 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:05:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:05:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:05:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:05:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:05:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:05:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:05:50,182 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:05:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 17:05:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:05:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 17:05:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:05:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:05:50,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:05:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:05:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:05:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:05:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:05:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:05:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:05:50,184 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:05:50,185 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:05:50,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:05:50,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:05:50,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:05:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:05:50,185 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:05:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:05:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:05:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:05:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:05:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:05:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:05:50,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:05:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:05:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:05:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:05:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:50,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:05:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:05:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:05:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:05:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:05:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:05:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:05:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:05:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:05:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:05:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:05:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:05:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:05:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:05:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:05:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:05:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:05:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:05:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:05:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:05:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:05:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:05:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:05:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:05:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:05:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:05:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:05:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:05:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:05:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:05:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 17:05:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:05:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 17:05:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:05:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:05:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:05:51,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:05:51,527 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:05:51,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:51 BoogieIcfgContainer [2020-10-28 17:05:51,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:05:51,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:05:51,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:05:51,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:05:51,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:05:49" (1/3) ... [2020-10-28 17:05:51,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702affdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:51, skipping insertion in model container [2020-10-28 17:05:51,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:49" (2/3) ... [2020-10-28 17:05:51,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702affdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:51, skipping insertion in model container [2020-10-28 17:05:51,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:51" (3/3) ... [2020-10-28 17:05:51,544 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2020-10-28 17:05:51,557 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:05:51,562 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:05:51,582 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:05:51,631 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:05:51,632 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:05:51,633 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:05:51,633 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:05:51,633 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:05:51,634 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:05:51,634 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:05:51,634 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:05:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-10-28 17:05:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:05:51,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:51,681 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:51,682 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:05:51,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:51,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1534697644, now seen corresponding path program 1 times [2020-10-28 17:05:51,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:51,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127076567] [2020-10-28 17:05:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:52,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:52,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:53,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:53,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:54,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:57,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:05:57,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:05:57,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 17:05:57,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:57,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:05:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:57,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 17:05:57,875 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:57,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:57,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:57,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:57,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 17:05:57,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:57,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:57,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:57,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:57,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:57,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:57,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:57,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:57,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:57,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:57,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:57,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:57,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:57,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:57,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:57,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:57,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:57,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:57,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:57,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:57,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:57,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:57,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:57,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:57,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:57,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:58,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:58,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:58,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:58,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:58,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:58,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:58,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:58,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:58,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:58,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:05:58,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:58,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:58,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:58,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:58,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:58,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:58,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:05:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:58,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:58,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:58,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:05:58,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:58,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:05:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:58,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:58,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:58,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:58,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:58,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:58,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:58,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:05:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:58,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:58,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:58,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:58,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:58,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:58,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:58,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:58,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:58,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:05:58,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:05:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:58,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:58,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:58,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:58,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:58,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:58,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:58,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:05:58,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127076567] [2020-10-28 17:05:58,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:58,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:05:58,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357196659] [2020-10-28 17:05:58,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:05:58,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:58,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:05:58,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:05:58,138 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-10-28 17:06:00,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:00,108 INFO L93 Difference]: Finished difference Result 279 states and 361 transitions. [2020-10-28 17:06:00,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:06:00,110 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:06:00,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:00,123 INFO L225 Difference]: With dead ends: 279 [2020-10-28 17:06:00,123 INFO L226 Difference]: Without dead ends: 154 [2020-10-28 17:06:00,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-28 17:06:00,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2020-10-28 17:06:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-28 17:06:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-10-28 17:06:00,217 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 60 [2020-10-28 17:06:00,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:00,218 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-10-28 17:06:00,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:06:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-10-28 17:06:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:06:00,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:00,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:00,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:06:00,223 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:00,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:00,224 INFO L82 PathProgramCache]: Analyzing trace with hash 974503665, now seen corresponding path program 1 times [2020-10-28 17:06:00,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:00,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157088805] [2020-10-28 17:06:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:01,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:01,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:01,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:06:05,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 17:06:05,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:06:05,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:05,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:05,673 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:05,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:05,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 17:06:05,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:05,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:05,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:05,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:05,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:05,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:05,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:05,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:05,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:05,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:05,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:06:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:05,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:05,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:05,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:05,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:05,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:06:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:05,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:05,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:05,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:06:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:05,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:05,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:05,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:05,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:05,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157088805] [2020-10-28 17:06:05,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:05,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:05,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480337072] [2020-10-28 17:06:05,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:05,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:05,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:05,801 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 5 states. [2020-10-28 17:06:06,405 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:07,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:07,353 INFO L93 Difference]: Finished difference Result 211 states and 257 transitions. [2020-10-28 17:06:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:07,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:06:07,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:07,359 INFO L225 Difference]: With dead ends: 211 [2020-10-28 17:06:07,359 INFO L226 Difference]: Without dead ends: 144 [2020-10-28 17:06:07,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:07,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-28 17:06:07,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 114. [2020-10-28 17:06:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-28 17:06:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-10-28 17:06:07,429 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 61 [2020-10-28 17:06:07,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:07,430 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-10-28 17:06:07,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-10-28 17:06:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 17:06:07,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:07,440 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:07,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:06:07,440 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:07,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1238323725, now seen corresponding path program 1 times [2020-10-28 17:06:07,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:07,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560806240] [2020-10-28 17:06:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:11,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:11,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 17:06:11,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:11,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4055 [2020-10-28 17:06:11,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:11,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:06:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:11,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:06:11,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:11,963 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:11,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:12,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 17:06:12,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:12,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:12,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:12,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:12,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:12,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:12,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:12,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:12,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:12,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:12,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:12,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:06:12,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:12,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:12,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:06:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:12,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:12,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:12,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:12,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:12,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 17:06:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:12,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:12,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:12,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:12,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:12,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560806240] [2020-10-28 17:06:12,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:12,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:12,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768147576] [2020-10-28 17:06:12,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:12,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:12,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:12,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:12,224 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2020-10-28 17:06:12,716 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:06:14,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:14,367 INFO L93 Difference]: Finished difference Result 322 states and 395 transitions. [2020-10-28 17:06:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:14,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-28 17:06:14,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:14,373 INFO L225 Difference]: With dead ends: 322 [2020-10-28 17:06:14,373 INFO L226 Difference]: Without dead ends: 236 [2020-10-28 17:06:14,374 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:14,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-28 17:06:14,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 189. [2020-10-28 17:06:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-28 17:06:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 224 transitions. [2020-10-28 17:06:14,449 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 224 transitions. Word has length 66 [2020-10-28 17:06:14,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:14,450 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 224 transitions. [2020-10-28 17:06:14,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 224 transitions. [2020-10-28 17:06:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-28 17:06:14,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:14,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:14,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:06:14,452 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:06:14,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:14,453 INFO L82 PathProgramCache]: Analyzing trace with hash 936700471, now seen corresponding path program 1 times [2020-10-28 17:06:14,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:14,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192798234] [2020-10-28 17:06:14,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:15,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:16,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:16,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 17:06:16,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:16,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2171 [2020-10-28 17:06:16,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:16,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:16,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:06:16,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:06:16,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:06:16,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,067 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:17,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 17:06:17,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:17,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:17,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:17,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:17,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:17,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:17,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:17,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:17,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:17,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:17,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:17,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:17,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:06:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:06:17,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:17,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:17,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:17,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:06:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:17,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:06:17,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:17,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:17,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:17,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:17,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:06:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:17,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:17,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:17,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:17,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 17:06:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:17,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:17,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:17,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:17,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:17,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:17,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:06:17,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:17,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:17,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:17,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:06:17,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192798234] [2020-10-28 17:06:17,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:17,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:06:17,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274808613] [2020-10-28 17:06:17,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:06:17,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:17,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:06:17,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:06:17,263 INFO L87 Difference]: Start difference. First operand 189 states and 224 transitions. Second operand 9 states. [2020-10-28 17:06:17,823 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:18,825 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:19,840 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:06:20,237 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:06:20,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:20,402 INFO L93 Difference]: Finished difference Result 349 states and 455 transitions. [2020-10-28 17:06:20,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:06:20,402 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-28 17:06:20,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:20,404 INFO L225 Difference]: With dead ends: 349 [2020-10-28 17:06:20,404 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:06:20,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:06:20,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:06:20,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:06:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:06:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:06:20,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-28 17:06:20,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:20,409 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:06:20,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:06:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:06:20,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:06:20,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:06:20,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:06:22,743 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:06:23,050 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:23,325 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:23,601 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:23,899 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:24,204 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:24,485 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 10 [2020-10-28 17:06:24,825 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:25,402 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-10-28 17:06:25,676 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:25,958 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:26,506 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:06:26,829 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:27,357 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:06:27,655 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:28,182 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:06:28,578 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:28,889 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-28 17:06:29,157 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:29,455 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:29,746 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:30,049 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:30,594 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:06:31,192 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 13 [2020-10-28 17:06:31,232 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:06:31,232 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:06:31,233 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:06:31,233 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:06:31,233 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-10-28 17:06:31,233 INFO L274 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2020-10-28 17:06:31,233 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 17:06:31,234 INFO L274 CegarLoopResult]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2020-10-28 17:06:31,234 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2020-10-28 17:06:31,234 INFO L274 CegarLoopResult]: For program point L141(lines 118 142) no Hoare annotation was computed. [2020-10-28 17:06:31,234 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2020-10-28 17:06:31,234 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2020-10-28 17:06:31,234 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-10-28 17:06:31,235 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2020-10-28 17:06:31,235 INFO L274 CegarLoopResult]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2020-10-28 17:06:31,235 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 17:06:31,235 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2020-10-28 17:06:31,235 INFO L274 CegarLoopResult]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2020-10-28 17:06:31,235 INFO L274 CegarLoopResult]: For program point L202(lines 175 203) no Hoare annotation was computed. [2020-10-28 17:06:31,236 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2020-10-28 17:06:31,236 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 17:06:31,236 INFO L274 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-10-28 17:06:31,236 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 583 589) the Hoare annotation is: true [2020-10-28 17:06:31,236 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 583 589) no Hoare annotation was computed. [2020-10-28 17:06:31,236 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 590 598) no Hoare annotation was computed. [2020-10-28 17:06:31,236 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 590 598) the Hoare annotation is: true [2020-10-28 17:06:31,236 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 590 598) no Hoare annotation was computed. [2020-10-28 17:06:31,237 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 412 419) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,237 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 412 419) no Hoare annotation was computed. [2020-10-28 17:06:31,237 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 412 419) no Hoare annotation was computed. [2020-10-28 17:06:31,237 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 420 429) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,237 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 420 429) no Hoare annotation was computed. [2020-10-28 17:06:31,237 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-28 17:06:31,237 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 420 429) no Hoare annotation was computed. [2020-10-28 17:06:31,237 INFO L270 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,237 INFO L274 CegarLoopResult]: For program point L443(lines 443 449) no Hoare annotation was computed. [2020-10-28 17:06:31,238 INFO L274 CegarLoopResult]: For program point L442(lines 442 452) no Hoare annotation was computed. [2020-10-28 17:06:31,238 INFO L277 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: true [2020-10-28 17:06:31,238 INFO L274 CegarLoopResult]: For program point L440-1(line 440) no Hoare annotation was computed. [2020-10-28 17:06:31,238 INFO L274 CegarLoopResult]: For program point L438(lines 438 455) no Hoare annotation was computed. [2020-10-28 17:06:31,238 INFO L274 CegarLoopResult]: For program point L438-1(lines 430 458) no Hoare annotation was computed. [2020-10-28 17:06:31,238 INFO L277 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: true [2020-10-28 17:06:31,238 INFO L274 CegarLoopResult]: For program point L436-1(line 436) no Hoare annotation was computed. [2020-10-28 17:06:31,238 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 430 458) the Hoare annotation is: true [2020-10-28 17:06:31,239 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 430 458) no Hoare annotation was computed. [2020-10-28 17:06:31,239 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 541 563) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,239 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 541 563) no Hoare annotation was computed. [2020-10-28 17:06:31,239 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 541 563) no Hoare annotation was computed. [2020-10-28 17:06:31,239 INFO L270 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,239 INFO L270 CegarLoopResult]: At program point L553-1(line 553) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,240 INFO L274 CegarLoopResult]: For program point L551(lines 551 558) no Hoare annotation was computed. [2020-10-28 17:06:31,240 INFO L274 CegarLoopResult]: For program point L551-1(lines 551 558) no Hoare annotation was computed. [2020-10-28 17:06:31,240 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 17:06:31,240 INFO L270 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,240 INFO L270 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,240 INFO L270 CegarLoopResult]: At program point L547-1(line 547) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,240 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 495 518) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 495 518) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 495 518) no Hoare annotation was computed. [2020-10-28 17:06:31,241 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 646 652) no Hoare annotation was computed. [2020-10-28 17:06:31,242 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 646 652) the Hoare annotation is: true [2020-10-28 17:06:31,242 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 768 782) no Hoare annotation was computed. [2020-10-28 17:06:31,243 INFO L270 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,243 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 768 782) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,243 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 768 782) no Hoare annotation was computed. [2020-10-28 17:06:31,243 INFO L274 CegarLoopResult]: For program point L772(lines 772 778) no Hoare annotation was computed. [2020-10-28 17:06:31,243 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 679 686) no Hoare annotation was computed. [2020-10-28 17:06:31,243 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 679 686) no Hoare annotation was computed. [2020-10-28 17:06:31,243 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 679 686) no Hoare annotation was computed. [2020-10-28 17:06:31,243 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point L751(lines 751 759) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 732 767) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 732 767) no Hoare annotation was computed. [2020-10-28 17:06:31,244 INFO L274 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 732 767) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 576 582) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 576 582) the Hoare annotation is: true [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point L385(lines 385 386) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point L381(lines 381 388) no Hoare annotation was computed. [2020-10-28 17:06:31,245 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L274 CegarLoopResult]: For program point L375(lines 375 395) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 385 386) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 392 393) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L274 CegarLoopResult]: For program point L392(lines 392 393) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2020-10-28 17:06:31,246 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 527 537) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,247 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 527 537) no Hoare annotation was computed. [2020-10-28 17:06:31,247 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 527 537) no Hoare annotation was computed. [2020-10-28 17:06:31,247 INFO L270 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,247 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2020-10-28 17:06:31,249 INFO L277 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: true [2020-10-28 17:06:31,250 INFO L274 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-10-28 17:06:31,250 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2020-10-28 17:06:31,250 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2020-10-28 17:06:31,250 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: true [2020-10-28 17:06:31,250 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2020-10-28 17:06:31,250 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2020-10-28 17:06:31,250 INFO L270 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:31,250 INFO L274 CegarLoopResult]: For program point L673-1(lines 654 678) no Hoare annotation was computed. [2020-10-28 17:06:31,251 INFO L270 CegarLoopResult]: At program point L668(line 668) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,251 INFO L270 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,251 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 654 678) no Hoare annotation was computed. [2020-10-28 17:06:31,251 INFO L274 CegarLoopResult]: For program point L662(lines 662 670) no Hoare annotation was computed. [2020-10-28 17:06:31,251 INFO L270 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,251 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 654 678) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:31,251 INFO L274 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-10-28 17:06:31,251 INFO L274 CegarLoopResult]: For program point L658(lines 658 675) no Hoare annotation was computed. [2020-10-28 17:06:31,251 INFO L274 CegarLoopResult]: For program point L832(lines 832 847) no Hoare annotation was computed. [2020-10-28 17:06:31,252 INFO L270 CegarLoopResult]: At program point testENTRY(lines 792 859) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,252 INFO L270 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,252 INFO L274 CegarLoopResult]: For program point testFINAL(lines 792 859) no Hoare annotation was computed. [2020-10-28 17:06:31,252 INFO L274 CegarLoopResult]: For program point L822(lines 822 828) no Hoare annotation was computed. [2020-10-28 17:06:31,252 INFO L274 CegarLoopResult]: For program point L822-1(lines 822 828) no Hoare annotation was computed. [2020-10-28 17:06:31,252 INFO L270 CegarLoopResult]: At program point L849(lines 802 851) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,252 INFO L270 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,252 INFO L274 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-10-28 17:06:31,253 INFO L274 CegarLoopResult]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2020-10-28 17:06:31,253 INFO L274 CegarLoopResult]: For program point L804(lines 804 808) no Hoare annotation was computed. [2020-10-28 17:06:31,253 INFO L270 CegarLoopResult]: At program point L852(lines 801 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,253 INFO L270 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,253 INFO L274 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2020-10-28 17:06:31,253 INFO L270 CegarLoopResult]: At program point L840-1(lines 832 847) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,253 INFO L274 CegarLoopResult]: For program point L803(lines 802 851) no Hoare annotation was computed. [2020-10-28 17:06:31,253 INFO L274 CegarLoopResult]: For program point testEXIT(lines 792 859) no Hoare annotation was computed. [2020-10-28 17:06:31,253 INFO L270 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 339 340) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 346 347) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point L346(lines 346 347) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point L339(lines 339 340) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point L335(lines 335 342) no Hoare annotation was computed. [2020-10-28 17:06:31,254 INFO L274 CegarLoopResult]: For program point L329(lines 329 349) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point L916(lines 916 924) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-10-28 17:06:31,255 INFO L274 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-10-28 17:06:31,256 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-28 17:06:31,256 INFO L274 CegarLoopResult]: For program point L300(lines 300 311) no Hoare annotation was computed. [2020-10-28 17:06:31,256 INFO L274 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-28 17:06:31,256 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2020-10-28 17:06:31,256 INFO L274 CegarLoopResult]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2020-10-28 17:06:31,256 INFO L274 CegarLoopResult]: For program point L282(lines 260 283) no Hoare annotation was computed. [2020-10-28 17:06:31,256 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point L241(lines 241 257) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point L262(lines 261 281) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point L258(lines 258 299) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 566 575) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 566 575) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 566 575) no Hoare annotation was computed. [2020-10-28 17:06:31,257 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string28.offset| |old(#t~string28.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~string61.offset| |old(#t~string61.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 687 703) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-10-28 17:06:31,258 INFO L274 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-10-28 17:06:31,259 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 931 939) the Hoare annotation is: true [2020-10-28 17:06:31,259 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2020-10-28 17:06:31,259 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2020-10-28 17:06:31,260 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:31,260 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:06:31,260 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:31,260 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 17:06:31,260 INFO L274 CegarLoopResult]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2020-10-28 17:06:31,260 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2020-10-28 17:06:31,260 INFO L270 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,260 INFO L270 CegarLoopResult]: At program point L633(lines 633 639) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,260 INFO L270 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:31,260 INFO L274 CegarLoopResult]: For program point L626(lines 622 644) no Hoare annotation was computed. [2020-10-28 17:06:31,261 INFO L274 CegarLoopResult]: For program point L624(lines 622 644) no Hoare annotation was computed. [2020-10-28 17:06:31,261 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 619 645) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) [2020-10-28 17:06:31,261 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 619 645) no Hoare annotation was computed. [2020-10-28 17:06:31,262 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 619 645) no Hoare annotation was computed. [2020-10-28 17:06:31,262 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 462 491) no Hoare annotation was computed. [2020-10-28 17:06:31,262 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 462 491) the Hoare annotation is: true [2020-10-28 17:06:31,262 INFO L274 CegarLoopResult]: For program point L476(lines 476 480) no Hoare annotation was computed. [2020-10-28 17:06:31,262 INFO L277 CegarLoopResult]: At program point L476-1(lines 476 480) the Hoare annotation is: true [2020-10-28 17:06:31,262 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-28 17:06:31,262 INFO L277 CegarLoopResult]: At program point L472-2(lines 472 486) the Hoare annotation is: true [2020-10-28 17:06:31,263 INFO L277 CegarLoopResult]: At program point L468(line 468) the Hoare annotation is: true [2020-10-28 17:06:31,263 INFO L274 CegarLoopResult]: For program point L468-1(line 468) no Hoare annotation was computed. [2020-10-28 17:06:31,263 INFO L277 CegarLoopResult]: At program point L487(lines 462 491) the Hoare annotation is: true [2020-10-28 17:06:31,263 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-28 17:06:31,263 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2020-10-28 17:06:31,263 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2020-10-28 17:06:31,263 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2020-10-28 17:06:31,263 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: true [2020-10-28 17:06:31,263 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 519 525) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 519 525) the Hoare annotation is: true [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 17:06:31,264 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 783 790) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 783 790) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 783 790) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2020-10-28 17:06:31,264 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:31,264 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 600 607) no Hoare annotation was computed. [2020-10-28 17:06:31,265 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-10-28 17:06:31,265 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 600 607) the Hoare annotation is: true [2020-10-28 17:06:31,265 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 600 607) no Hoare annotation was computed. [2020-10-28 17:06:31,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:06:31 BoogieIcfgContainer [2020-10-28 17:06:31,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:06:31,282 INFO L168 Benchmark]: Toolchain (without parser) took 41991.96 ms. Allocated memory was 151.0 MB in the beginning and 601.9 MB in the end (delta: 450.9 MB). Free memory was 124.7 MB in the beginning and 519.3 MB in the end (delta: -394.7 MB). Peak memory consumption was 359.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:31,283 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:06:31,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:31,285 INFO L168 Benchmark]: Boogie Preprocessor took 173.24 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 99.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:31,286 INFO L168 Benchmark]: RCFGBuilder took 1430.65 ms. Allocated memory is still 151.0 MB. Free memory was 99.5 MB in the beginning and 87.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:31,287 INFO L168 Benchmark]: TraceAbstraction took 39745.11 ms. Allocated memory was 151.0 MB in the beginning and 601.9 MB in the end (delta: 450.9 MB). Free memory was 87.3 MB in the beginning and 519.3 MB in the end (delta: -432.1 MB). Peak memory consumption was 321.3 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:31,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 151.0 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 628.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 173.24 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 99.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1430.65 ms. Allocated memory is still 151.0 MB. Free memory was 99.5 MB in the beginning and 87.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 39745.11 ms. Allocated memory was 151.0 MB in the beginning and 601.9 MB in the end (delta: 450.9 MB). Free memory was 87.3 MB in the beginning and 519.3 MB in the end (delta: -432.1 MB). Peak memory consumption was 321.3 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: 346]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 339]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 392]: 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: 801]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.7s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 437 SDtfs, 576 SDslu, 282 SDs, 0 SdLazy, 985 SolverSat, 405 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 108 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 276 PreInvPairs, 320 NumberOfFragments, 853 HoareAnnotationTreeSize, 276 FomulaSimplifications, 24456 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8792 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 79928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...