/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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:05:57,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:05:57,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:05:57,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:05:57,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:05:57,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:05:57,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:05:57,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:05:57,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:05:57,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:05:57,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:05:57,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:05:57,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:05:57,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:05:57,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:05:57,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:05:57,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:05:57,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:05:57,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:05:57,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:05:57,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:05:57,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:05:57,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:05:57,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:05:57,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:05:57,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:05:57,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:05:57,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:05:57,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:05:57,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:05:57,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:05:57,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:05:57,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:05:57,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:05:57,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:05:57,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:05:57,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:05:57,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:05:57,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:05:57,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:05:57,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:05:57,302 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 17:05:57,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:05:57,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:05:57,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:05:57,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:05:57,368 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:05:57,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:05:57,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:05:57,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:05:57,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:05:57,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:05:57,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:05:57,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:05:57,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:05:57,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:05:57,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:05:57,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:05:57,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:05:57,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:05:57,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:05:57,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:05:57,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:05:57,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:57,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:05:57,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:05:57,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:05:57,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:05:57,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:05:57,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:05:57,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:05:57,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:05:57,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:05:57,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:05:57,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:05:57,853 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:05:57,853 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:05:57,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-10-28 17:05:57,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d2739363/ff44796a427d474387573ea7073fc345/FLAGde279cadd [2020-10-28 17:05:58,631 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:05:58,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-10-28 17:05:58,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d2739363/ff44796a427d474387573ea7073fc345/FLAGde279cadd [2020-10-28 17:05:58,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d2739363/ff44796a427d474387573ea7073fc345 [2020-10-28 17:05:58,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:05:58,872 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:05:58,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:58,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:05:58,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:05:58,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13743b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58, skipping insertion in model container [2020-10-28 17:05:58,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:05:58,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:05:59,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:59,495 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:05:59,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:59,667 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:05:59,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59 WrapperNode [2020-10-28 17:05:59,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:59,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:05:59,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:05:59,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:05:59,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (1/1) ... [2020-10-28 17:05:59,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (1/1) ... [2020-10-28 17:05:59,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (1/1) ... [2020-10-28 17:05:59,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (1/1) ... [2020-10-28 17:05:59,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (1/1) ... [2020-10-28 17:05:59,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (1/1) ... [2020-10-28 17:05:59,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (1/1) ... [2020-10-28 17:05:59,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:05:59,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:05:59,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:05:59,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:05:59,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (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 17:05:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:05:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:05:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:05:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:05:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:05:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:05:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:05:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:05:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:05:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:05:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:05:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:05:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:05:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:05:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:05:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:05:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:05:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:05:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:05:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:05:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:05:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:05:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:05:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:05:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:05:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:05:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:05:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:05:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:05:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:05:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:05:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:05:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:05:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:05:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:05:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:05:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:05:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:05:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:05:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:05:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:05:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:05:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:05:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:05:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:05:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:05:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:05:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:05:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:05:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:05:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:05:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:05:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:05:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:05:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:05:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:05:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:05:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:05:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:05:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:05:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:05:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:05:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:05:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:05:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:05:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:05:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:05:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:05:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:05:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:05:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:05:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:05:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:05:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:05:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:05:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:05:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:05:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:05:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:05:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:05:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:05:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:06:01,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:06:01,154 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:06:01,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:01 BoogieIcfgContainer [2020-10-28 17:06:01,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:06:01,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:06:01,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:06:01,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:06:01,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:05:58" (1/3) ... [2020-10-28 17:06:01,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66939f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:01, skipping insertion in model container [2020-10-28 17:06:01,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:59" (2/3) ... [2020-10-28 17:06:01,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66939f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:01, skipping insertion in model container [2020-10-28 17:06:01,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:01" (3/3) ... [2020-10-28 17:06:01,165 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2020-10-28 17:06:01,176 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:06:01,182 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:06:01,195 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:06:01,222 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:06:01,222 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:06:01,223 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:06:01,223 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:06:01,223 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:06:01,223 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:06:01,223 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:06:01,223 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:06:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-10-28 17:06:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:06:01,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:01,255 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 17:06:01,255 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 17:06:01,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:01,262 INFO L82 PathProgramCache]: Analyzing trace with hash 708077033, now seen corresponding path program 1 times [2020-10-28 17:06:01,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:01,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107758610] [2020-10-28 17:06:01,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:01,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:03,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:03,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:06:06,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 17:06:06,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:06:06,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-28 17:06:07,088 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:07,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 17:06:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:07,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:07,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:07,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:06:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:07,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:06:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:07,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:07,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:07,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:07,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:07,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:07,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:07,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:07,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:07,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:07,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:07,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:07,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:07,243 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 17:06:07,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107758610] [2020-10-28 17:06:07,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:07,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:06:07,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427759338] [2020-10-28 17:06:07,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:06:07,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:07,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:06:07,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:07,270 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-10-28 17:06:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:08,498 INFO L93 Difference]: Finished difference Result 273 states and 355 transitions. [2020-10-28 17:06:08,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:06:08,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:06:08,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:08,514 INFO L225 Difference]: With dead ends: 273 [2020-10-28 17:06:08,514 INFO L226 Difference]: Without dead ends: 150 [2020-10-28 17:06:08,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:08,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-28 17:06:08,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 121. [2020-10-28 17:06:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-28 17:06:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2020-10-28 17:06:08,612 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 60 [2020-10-28 17:06:08,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:08,612 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2020-10-28 17:06:08,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:06:08,613 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2020-10-28 17:06:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:06:08,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:08,617 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 17:06:08,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:06:08,617 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 17:06:08,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:08,618 INFO L82 PathProgramCache]: Analyzing trace with hash -950989473, now seen corresponding path program 1 times [2020-10-28 17:06:08,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:08,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408443519] [2020-10-28 17:06:08,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:08,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:08,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:09,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:10,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:10,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:06:13,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 17:06:13,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:06:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,082 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:14,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 17:06:14,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:14,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:14,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:14,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:14,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:14,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:14,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:06:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:14,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:14,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:14,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:06:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:06:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:14,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:14,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:14,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:14,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:14,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:14,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:14,234 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 17:06:14,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408443519] [2020-10-28 17:06:14,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:14,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:14,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628477905] [2020-10-28 17:06:14,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:14,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:14,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:14,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:14,238 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 5 states. [2020-10-28 17:06:14,896 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:16,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:16,012 INFO L93 Difference]: Finished difference Result 209 states and 255 transitions. [2020-10-28 17:06:16,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:16,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:06:16,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:16,020 INFO L225 Difference]: With dead ends: 209 [2020-10-28 17:06:16,020 INFO L226 Difference]: Without dead ends: 140 [2020-10-28 17:06:16,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:16,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-28 17:06:16,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 112. [2020-10-28 17:06:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-28 17:06:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-10-28 17:06:16,074 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 61 [2020-10-28 17:06:16,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:16,074 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-10-28 17:06:16,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-10-28 17:06:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 17:06:16,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:16,077 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] [2020-10-28 17:06:16,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:06:16,077 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 17:06:16,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:16,078 INFO L82 PathProgramCache]: Analyzing trace with hash -447353336, now seen corresponding path program 1 times [2020-10-28 17:06:16,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:16,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567948550] [2020-10-28 17:06:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:16,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:16,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:16,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:17,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:20,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:20,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 17:06:20,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4624 [2020-10-28 17:06:20,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:20,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:06:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:20,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 17:06:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:21,164 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:21,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:21,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-28 17:06:21,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:21,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:21,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:21,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:21,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:21,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:21,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:21,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:21,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:21,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:21,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:21,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:21,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:21,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:21,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:21,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:21,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:21,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:21,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:21,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:21,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:21,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:21,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:06:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:21,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:21,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:21,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:21,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 17:06:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:21,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:21,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:21,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:21,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:06:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:21,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:21,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:21,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:21,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:21,427 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 17:06:21,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567948550] [2020-10-28 17:06:21,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:21,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:21,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773294336] [2020-10-28 17:06:21,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:21,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:21,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:21,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:21,432 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 5 states. [2020-10-28 17:06:21,903 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:06:23,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:23,582 INFO L93 Difference]: Finished difference Result 314 states and 388 transitions. [2020-10-28 17:06:23,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:23,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-28 17:06:23,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:23,588 INFO L225 Difference]: With dead ends: 314 [2020-10-28 17:06:23,588 INFO L226 Difference]: Without dead ends: 230 [2020-10-28 17:06:23,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 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 17:06:23,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-10-28 17:06:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 189. [2020-10-28 17:06:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-28 17:06:23,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 226 transitions. [2020-10-28 17:06:23,660 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 226 transitions. Word has length 65 [2020-10-28 17:06:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:23,660 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 226 transitions. [2020-10-28 17:06:23,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 226 transitions. [2020-10-28 17:06:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-28 17:06:23,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:23,663 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 17:06:23,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:06:23,664 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 17:06:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:23,664 INFO L82 PathProgramCache]: Analyzing trace with hash 71610716, now seen corresponding path program 1 times [2020-10-28 17:06:23,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:23,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518591606] [2020-10-28 17:06:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:23,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:24,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:24,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 17:06:25,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:25,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2233 [2020-10-28 17:06:25,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:06:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:06:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:06:25,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:26,380 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:26,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 17:06:26,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:26,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:26,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:26,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:26,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:26,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:26,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:26,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:26,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:26,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:26,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:26,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:26,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:26,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:26,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:26,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:26,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:06:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:06:26,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:26,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:26,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:26,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:06:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:26,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:06:26,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:26,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:26,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:26,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:26,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:26,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:06:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:26,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:26,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:26,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:26,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 17:06:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:26,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:26,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:26,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:26,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:26,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:06:26,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:26,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:26,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:06:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:26,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:26,595 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 17:06:26,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518591606] [2020-10-28 17:06:26,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:26,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:06:26,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970343170] [2020-10-28 17:06:26,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:06:26,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:26,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:06:26,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:06:26,599 INFO L87 Difference]: Start difference. First operand 189 states and 226 transitions. Second operand 9 states. [2020-10-28 17:06:27,164 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:28,171 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:29,263 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:06:29,702 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:06:29,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:29,907 INFO L93 Difference]: Finished difference Result 328 states and 420 transitions. [2020-10-28 17:06:29,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:06:29,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-28 17:06:29,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:29,910 INFO L225 Difference]: With dead ends: 328 [2020-10-28 17:06:29,910 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:06:29,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:06:29,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:06:29,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:06:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:06:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:06:29,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-28 17:06:29,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:29,916 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:06:29,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:06:29,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:06:29,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:06:29,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:06:29,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:06:32,250 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:06:32,531 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:32,833 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:33,193 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:33,514 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:33,807 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:34,201 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:34,812 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:06:35,411 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-10-28 17:06:35,720 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:36,026 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:36,622 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:06:36,971 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:37,555 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:06:38,183 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:06:38,507 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:38,806 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:06:39,134 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:39,487 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-28 17:06:39,804 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:40,171 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:40,500 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:06:41,142 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 13 [2020-10-28 17:06:41,165 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:06:41,165 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:06:41,165 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:06:41,165 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:06:41,166 INFO L274 CegarLoopResult]: For program point L386-1(lines 386 390) no Hoare annotation was computed. [2020-10-28 17:06:41,166 INFO L274 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-10-28 17:06:41,166 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 401) no Hoare annotation was computed. [2020-10-28 17:06:41,166 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 355 410) no Hoare annotation was computed. [2020-10-28 17:06:41,166 INFO L274 CegarLoopResult]: For program point L402(lines 379 403) no Hoare annotation was computed. [2020-10-28 17:06:41,166 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 355 410) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 355 410) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point L443-1(lines 443 447) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 411 470) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point L437-2(lines 437 462) no Hoare annotation was computed. [2020-10-28 17:06:41,167 INFO L274 CegarLoopResult]: For program point L463(lines 436 464) no Hoare annotation was computed. [2020-10-28 17:06:41,168 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 411 470) no Hoare annotation was computed. [2020-10-28 17:06:41,168 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 411 470) no Hoare annotation was computed. [2020-10-28 17:06:41,168 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-28 17:06:41,168 INFO L274 CegarLoopResult]: For program point L456-1(line 456) no Hoare annotation was computed. [2020-10-28 17:06:41,168 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 780 786) the Hoare annotation is: true [2020-10-28 17:06:41,168 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 780 786) no Hoare annotation was computed. [2020-10-28 17:06:41,168 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 787 795) no Hoare annotation was computed. [2020-10-28 17:06:41,168 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 787 795) the Hoare annotation is: true [2020-10-28 17:06:41,169 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 787 795) no Hoare annotation was computed. [2020-10-28 17:06:41,169 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 798 805) 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 17:06:41,169 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 798 805) no Hoare annotation was computed. [2020-10-28 17:06:41,169 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 798 805) no Hoare annotation was computed. [2020-10-28 17:06:41,169 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 806 815) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,169 INFO L274 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-10-28 17:06:41,169 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 806 815) no Hoare annotation was computed. [2020-10-28 17:06:41,170 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 806 815) no Hoare annotation was computed. [2020-10-28 17:06:41,170 INFO L270 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,170 INFO L274 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2020-10-28 17:06:41,170 INFO L274 CegarLoopResult]: For program point L828(lines 828 838) no Hoare annotation was computed. [2020-10-28 17:06:41,170 INFO L277 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-10-28 17:06:41,170 INFO L274 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-10-28 17:06:41,170 INFO L274 CegarLoopResult]: For program point L824(lines 824 841) no Hoare annotation was computed. [2020-10-28 17:06:41,170 INFO L274 CegarLoopResult]: For program point L824-1(lines 816 844) no Hoare annotation was computed. [2020-10-28 17:06:41,171 INFO L277 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: true [2020-10-28 17:06:41,171 INFO L274 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-10-28 17:06:41,171 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 816 844) the Hoare annotation is: true [2020-10-28 17:06:41,171 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 816 844) no Hoare annotation was computed. [2020-10-28 17:06:41,171 INFO L274 CegarLoopResult]: For program point L929(lines 929 936) no Hoare annotation was computed. [2020-10-28 17:06:41,171 INFO L274 CegarLoopResult]: For program point L929-1(lines 929 936) no Hoare annotation was computed. [2020-10-28 17:06:41,171 INFO L274 CegarLoopResult]: For program point L927(line 927) no Hoare annotation was computed. [2020-10-28 17:06:41,171 INFO L270 CegarLoopResult]: At program point L926(line 926) 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 17:06:41,172 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 919 941) 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 17:06:41,172 INFO L270 CegarLoopResult]: At program point L925(line 925) 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 17:06:41,172 INFO L270 CegarLoopResult]: At program point L925-1(line 925) 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 17:06:41,172 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 919 941) no Hoare annotation was computed. [2020-10-28 17:06:41,172 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 919 941) no Hoare annotation was computed. [2020-10-28 17:06:41,172 INFO L270 CegarLoopResult]: At program point L931(line 931) 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 17:06:41,173 INFO L270 CegarLoopResult]: At program point L931-1(line 931) 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 17:06:41,173 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 877 900) no Hoare annotation was computed. [2020-10-28 17:06:41,173 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-28 17:06:41,173 INFO L274 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-10-28 17:06:41,173 INFO L274 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-10-28 17:06:41,173 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 877 900) no Hoare annotation was computed. [2020-10-28 17:06:41,173 INFO L274 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-10-28 17:06:41,173 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 877 900) no Hoare annotation was computed. [2020-10-28 17:06:41,173 INFO L274 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-10-28 17:06:41,174 INFO L274 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-10-28 17:06:41,175 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 278 292) no Hoare annotation was computed. [2020-10-28 17:06:41,175 INFO L270 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:41,175 INFO L274 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-10-28 17:06:41,175 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 278 292) 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 17:06:41,175 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 278 292) no Hoare annotation was computed. [2020-10-28 17:06:41,175 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 214 222) no Hoare annotation was computed. [2020-10-28 17:06:41,175 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 214 222) the Hoare annotation is: true [2020-10-28 17:06:41,175 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 214 222) no Hoare annotation was computed. [2020-10-28 17:06:41,175 INFO L274 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-10-28 17:06:41,176 INFO L277 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: true [2020-10-28 17:06:41,176 INFO L274 CegarLoopResult]: For program point L268-2(lines 268 272) no Hoare annotation was computed. [2020-10-28 17:06:41,176 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 259 277) the Hoare annotation is: true [2020-10-28 17:06:41,176 INFO L274 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-10-28 17:06:41,176 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 259 277) no Hoare annotation was computed. [2020-10-28 17:06:41,176 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 259 277) no Hoare annotation was computed. [2020-10-28 17:06:41,176 INFO L274 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-10-28 17:06:41,176 INFO L274 CegarLoopResult]: For program point L253-1(line 253) no Hoare annotation was computed. [2020-10-28 17:06:41,176 INFO L274 CegarLoopResult]: For program point L242(lines 242 250) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point L242-2(lines 242 250) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 223 258) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 223 258) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 223 258) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 773 779) no Hoare annotation was computed. [2020-10-28 17:06:41,177 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 773 779) the Hoare annotation is: true [2020-10-28 17:06:41,177 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 309 354) no Hoare annotation was computed. [2020-10-28 17:06:41,178 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 309 354) no Hoare annotation was computed. [2020-10-28 17:06:41,178 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 309 354) no Hoare annotation was computed. [2020-10-28 17:06:41,178 INFO L274 CegarLoopResult]: For program point L636(lines 636 656) no Hoare annotation was computed. [2020-10-28 17:06:41,178 INFO L274 CegarLoopResult]: For program point L636-1(lines 636 656) no Hoare annotation was computed. [2020-10-28 17:06:41,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 622 667) no Hoare annotation was computed. [2020-10-28 17:06:41,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 646 647) no Hoare annotation was computed. [2020-10-28 17:06:41,178 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 653 654) no Hoare annotation was computed. [2020-10-28 17:06:41,179 INFO L274 CegarLoopResult]: For program point L653(lines 653 654) no Hoare annotation was computed. [2020-10-28 17:06:41,179 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 622 667) no Hoare annotation was computed. [2020-10-28 17:06:41,180 INFO L274 CegarLoopResult]: For program point L646(lines 646 647) no Hoare annotation was computed. [2020-10-28 17:06:41,180 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 622 667) no Hoare annotation was computed. [2020-10-28 17:06:41,180 INFO L274 CegarLoopResult]: For program point L642(lines 642 649) no Hoare annotation was computed. [2020-10-28 17:06:41,181 INFO L270 CegarLoopResult]: At program point L913(line 913) 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 17:06:41,181 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 908 918) 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 17:06:41,181 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 908 918) no Hoare annotation was computed. [2020-10-28 17:06:41,181 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 908 918) no Hoare annotation was computed. [2020-10-28 17:06:41,181 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-28 17:06:41,181 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:41,181 INFO L274 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-10-28 17:06:41,181 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:41,182 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:41,182 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 195 202) the Hoare annotation is: true [2020-10-28 17:06:41,182 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 195 202) no Hoare annotation was computed. [2020-10-28 17:06:41,182 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 195 202) no Hoare annotation was computed. [2020-10-28 17:06:41,182 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 162 186) no Hoare annotation was computed. [2020-10-28 17:06:41,182 INFO L270 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:41,182 INFO L274 CegarLoopResult]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2020-10-28 17:06:41,182 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 162 186) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:06:41,182 INFO L270 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:41,183 INFO L270 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:41,183 INFO L274 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-10-28 17:06:41,183 INFO L270 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:41,183 INFO L274 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-28 17:06:41,183 INFO L274 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-10-28 17:06:41,183 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 154 160) no Hoare annotation was computed. [2020-10-28 17:06:41,183 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 154 160) the Hoare annotation is: true [2020-10-28 17:06:41,183 INFO L270 CegarLoopResult]: At program point testENTRY(lines 47 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (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 17:06:41,183 INFO L270 CegarLoopResult]: At program point L95(line 95) 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 17:06:41,184 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-10-28 17:06:41,184 INFO L270 CegarLoopResult]: At program point L93-1(lines 87 100) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,184 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-28 17:06:41,184 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-28 17:06:41,184 INFO L274 CegarLoopResult]: For program point testFINAL(lines 47 112) no Hoare annotation was computed. [2020-10-28 17:06:41,184 INFO L270 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,184 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-28 17:06:41,184 INFO L274 CegarLoopResult]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2020-10-28 17:06:41,185 INFO L270 CegarLoopResult]: At program point L102(lines 57 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,185 INFO L270 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,185 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-28 17:06:41,185 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2020-10-28 17:06:41,185 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-28 17:06:41,185 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:41,185 INFO L274 CegarLoopResult]: For program point testEXIT(lines 47 112) no Hoare annotation was computed. [2020-10-28 17:06:41,185 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 600 601) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point L607(lines 607 608) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 607 608) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 576 621) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point L600(lines 600 601) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 576 621) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point L596(lines 596 603) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 576 621) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point L590(lines 590 610) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point L590-1(lines 590 610) no Hoare annotation was computed. [2020-10-28 17:06:41,186 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 749 757) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 749 757) the Hoare annotation is: true [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 749 757) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 717 739) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 717 739) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 717 739) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point L543(lines 521 544) no Hoare annotation was computed. [2020-10-28 17:06:41,187 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 473 575) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L502(lines 502 518) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L562(lines 562 569) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L523(lines 522 542) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L519(lines 519 560) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 473 575) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 473 575) no Hoare annotation was computed. [2020-10-28 17:06:41,188 INFO L274 CegarLoopResult]: For program point L497(lines 497 501) no Hoare annotation was computed. [2020-10-28 17:06:41,189 INFO L274 CegarLoopResult]: For program point L561(lines 561 572) no Hoare annotation was computed. [2020-10-28 17:06:41,189 INFO L274 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-10-28 17:06:41,189 INFO L274 CegarLoopResult]: For program point L522-2(lines 522 542) no Hoare annotation was computed. [2020-10-28 17:06:41,189 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 763 772) no Hoare annotation was computed. [2020-10-28 17:06:41,189 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 763 772) no Hoare annotation was computed. [2020-10-28 17:06:41,189 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 763 772) no Hoare annotation was computed. [2020-10-28 17:06:41,189 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:41,190 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.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~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#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)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 17:06:41,190 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:41,190 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 187 194) no Hoare annotation was computed. [2020-10-28 17:06:41,190 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 187 194) no Hoare annotation was computed. [2020-10-28 17:06:41,190 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 187 194) no Hoare annotation was computed. [2020-10-28 17:06:41,190 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 740 748) the Hoare annotation is: true [2020-10-28 17:06:41,190 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 740 748) no Hoare annotation was computed. [2020-10-28 17:06:41,191 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 740 748) no Hoare annotation was computed. [2020-10-28 17:06:41,191 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 696 707) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,191 INFO L274 CegarLoopResult]: For program point L700-1(lines 696 707) no Hoare annotation was computed. [2020-10-28 17:06:41,191 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 696 707) no Hoare annotation was computed. [2020-10-28 17:06:41,191 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:41,191 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:06:41,191 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:41,191 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 127 153) 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 17:06:41,191 INFO L270 CegarLoopResult]: At program point L143(line 143) 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 17:06:41,192 INFO L270 CegarLoopResult]: At program point L141(lines 141 147) 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 17:06:41,192 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 127 153) no Hoare annotation was computed. [2020-10-28 17:06:41,192 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:06:41,192 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 127 153) no Hoare annotation was computed. [2020-10-28 17:06:41,192 INFO L274 CegarLoopResult]: For program point L134(lines 130 152) no Hoare annotation was computed. [2020-10-28 17:06:41,192 INFO L274 CegarLoopResult]: For program point L132(lines 130 152) no Hoare annotation was computed. [2020-10-28 17:06:41,192 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 847 876) no Hoare annotation was computed. [2020-10-28 17:06:41,192 INFO L274 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-10-28 17:06:41,192 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 847 876) the Hoare annotation is: true [2020-10-28 17:06:41,193 INFO L277 CegarLoopResult]: At program point L861-1(lines 861 865) the Hoare annotation is: true [2020-10-28 17:06:41,193 INFO L274 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-10-28 17:06:41,193 INFO L277 CegarLoopResult]: At program point L857-2(lines 857 871) the Hoare annotation is: true [2020-10-28 17:06:41,193 INFO L277 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: true [2020-10-28 17:06:41,193 INFO L274 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-10-28 17:06:41,193 INFO L277 CegarLoopResult]: At program point L872(lines 847 876) the Hoare annotation is: true [2020-10-28 17:06:41,193 INFO L274 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-10-28 17:06:41,193 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 708 716) no Hoare annotation was computed. [2020-10-28 17:06:41,193 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 708 716) no Hoare annotation was computed. [2020-10-28 17:06:41,194 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 708 716) no Hoare annotation was computed. [2020-10-28 17:06:41,194 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 672 683) the Hoare annotation is: true [2020-10-28 17:06:41,194 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 672 683) no Hoare annotation was computed. [2020-10-28 17:06:41,194 INFO L274 CegarLoopResult]: For program point L676-1(lines 672 683) no Hoare annotation was computed. [2020-10-28 17:06:41,194 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 901 907) no Hoare annotation was computed. [2020-10-28 17:06:41,194 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 901 907) the Hoare annotation is: true [2020-10-28 17:06:41,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:41,194 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 17:06:41,194 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:06:41,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:41,195 INFO L274 CegarLoopResult]: For program point L688-1(lines 684 695) no Hoare annotation was computed. [2020-10-28 17:06:41,195 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 684 695) no Hoare annotation was computed. [2020-10-28 17:06:41,195 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 684 695) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:06:41,195 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 294 301) no Hoare annotation was computed. [2020-10-28 17:06:41,195 INFO L274 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-10-28 17:06:41,195 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 294 301) the Hoare annotation is: true [2020-10-28 17:06:41,195 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 294 301) no Hoare annotation was computed. [2020-10-28 17:06:41,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:06:41 BoogieIcfgContainer [2020-10-28 17:06:41,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:06:41,215 INFO L168 Benchmark]: Toolchain (without parser) took 42347.54 ms. Allocated memory was 125.8 MB in the beginning and 591.4 MB in the end (delta: 465.6 MB). Free memory was 100.8 MB in the beginning and 396.5 MB in the end (delta: -295.7 MB). Peak memory consumption was 354.5 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:41,216 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:06:41,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.24 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 79.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:41,217 INFO L168 Benchmark]: Boogie Preprocessor took 83.98 ms. Allocated memory is still 125.8 MB. Free memory was 79.3 MB in the beginning and 75.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:41,218 INFO L168 Benchmark]: RCFGBuilder took 1402.47 ms. Allocated memory was 125.8 MB in the beginning and 156.2 MB in the end (delta: 30.4 MB). Free memory was 75.3 MB in the beginning and 98.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:41,219 INFO L168 Benchmark]: TraceAbstraction took 40055.17 ms. Allocated memory was 156.2 MB in the beginning and 591.4 MB in the end (delta: 435.2 MB). Free memory was 98.3 MB in the beginning and 396.5 MB in the end (delta: -298.2 MB). Peak memory consumption was 321.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:41,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 125.8 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 792.24 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 79.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 83.98 ms. Allocated memory is still 125.8 MB. Free memory was 79.3 MB in the beginning and 75.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1402.47 ms. Allocated memory was 125.8 MB in the beginning and 156.2 MB in the end (delta: 30.4 MB). Free memory was 75.3 MB in the beginning and 98.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 40055.17 ms. Allocated memory was 156.2 MB in the beginning and 591.4 MB in the end (delta: 435.2 MB). Free memory was 98.3 MB in the beginning and 396.5 MB in the end (delta: -298.2 MB). Peak memory consumption was 321.0 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: 607]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 600]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 646]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 653]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 430 SDtfs, 525 SDslu, 279 SDs, 0 SdLazy, 957 SolverSat, 324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 4.1s 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 98 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 256 PreInvPairs, 286 NumberOfFragments, 818 HoareAnnotationTreeSize, 256 FomulaSimplifications, 13355 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 8584 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 79269 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...