/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:05:05,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:05:05,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:05:05,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:05:05,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:05:05,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:05:05,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:05:05,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:05:05,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:05:05,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:05:05,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:05:05,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:05:05,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:05:05,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:05:05,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:05:05,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:05:05,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:05:05,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:05:05,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:05:05,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:05:05,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:05:05,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:05:05,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:05:05,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:05:05,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:05:05,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:05:05,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:05:05,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:05:05,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:05:05,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:05:05,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:05:05,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:05:05,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:05:05,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:05:05,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:05:05,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:05:05,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:05:05,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:05:05,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:05:05,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:05:05,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:05:05,699 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 17:05:05,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:05:05,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:05:05,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:05:05,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:05:05,767 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:05:05,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:05:05,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:05:05,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:05:05,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:05:05,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:05:05,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:05:05,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:05:05,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:05:05,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:05:05,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:05:05,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:05:05,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:05:05,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:05:05,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:05:05,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:05:05,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:05:05,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:05,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:05:05,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:05:05,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:05:05,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:05:05,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:05:05,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:05:05,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:05:05,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:05:06,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:05:06,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:05:06,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:05:06,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:05:06,238 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:05:06,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2020-10-28 17:05:06,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63793b89c/ae321730281047238dbf1e2eae0c9f6e/FLAGc7f76440e [2020-10-28 17:05:07,137 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:05:07,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2020-10-28 17:05:07,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63793b89c/ae321730281047238dbf1e2eae0c9f6e/FLAGc7f76440e [2020-10-28 17:05:07,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63793b89c/ae321730281047238dbf1e2eae0c9f6e [2020-10-28 17:05:07,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:05:07,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:05:07,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:07,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:05:07,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:05:07,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:07" (1/1) ... [2020-10-28 17:05:07,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1050ca71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:07, skipping insertion in model container [2020-10-28 17:05:07,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:07" (1/1) ... [2020-10-28 17:05:07,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:05:07,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:05:07,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:07,893 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:05:08,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:08,092 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:05:08,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08 WrapperNode [2020-10-28 17:05:08,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:08,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:05:08,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:05:08,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:05:08,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (1/1) ... [2020-10-28 17:05:08,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (1/1) ... [2020-10-28 17:05:08,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (1/1) ... [2020-10-28 17:05:08,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (1/1) ... [2020-10-28 17:05:08,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (1/1) ... [2020-10-28 17:05:08,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (1/1) ... [2020-10-28 17:05:08,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (1/1) ... [2020-10-28 17:05:08,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:05:08,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:05:08,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:05:08,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:05:08,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (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 17:05:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:05:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:05:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:05:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:05:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:05:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:05:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:05:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:05:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:05:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:05:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:05:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 17:05:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:05:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:05:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:05:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:05:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:05:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:05:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:05:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:05:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:05:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:05:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:05:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:05:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:05:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:05:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:05:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:05:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:05:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:05:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:05:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:05:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:05:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:05:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:05:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:05:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:05:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:05:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 17:05:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:05:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:05:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:05:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:05:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:05:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:05:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:05:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:05:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:05:08,295 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:05:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:05:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:05:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:05:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:05:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:05:08,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:05:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:05:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:05:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:05:08,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:05:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:05:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:05:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:05:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:05:08,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:05:09,899 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:05:09,899 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:05:09,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:09 BoogieIcfgContainer [2020-10-28 17:05:09,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:05:09,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:05:09,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:05:09,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:05:09,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:05:07" (1/3) ... [2020-10-28 17:05:09,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e51e424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:09, skipping insertion in model container [2020-10-28 17:05:09,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:08" (2/3) ... [2020-10-28 17:05:09,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e51e424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:05:09, skipping insertion in model container [2020-10-28 17:05:09,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:05:09" (3/3) ... [2020-10-28 17:05:09,912 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product08.cil.c [2020-10-28 17:05:09,925 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:05:09,931 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:05:09,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:05:09,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:05:09,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:05:09,976 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:05:09,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:05:09,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:05:09,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:05:09,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:05:09,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:05:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-28 17:05:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:05:10,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:10,013 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:10,013 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 17:05:10,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:10,020 INFO L82 PathProgramCache]: Analyzing trace with hash 161493789, now seen corresponding path program 1 times [2020-10-28 17:05:10,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:10,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620595871] [2020-10-28 17:05:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:10,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:10,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:11,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:11,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:12,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:05:15,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:05:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 17:05:15,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:05:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 17:05:15,761 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:15,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 17:05:15,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:15,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:15,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:15,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:15,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:15,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:15,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:15,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:15,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:05:15,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:15,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:15,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:15,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:15,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:15,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:15,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:15,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:15,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:15,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:05:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:15,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:05:15,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:05:15,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:15,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:15,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:15,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:15,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:05:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:15,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:15,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 17:05:15,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:05:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:15,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:15,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:15,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:15,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:15,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:15,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:15,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:15,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:15,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:15,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:15,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:05:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:05:15,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620595871] [2020-10-28 17:05:16,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:16,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:05:16,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45570800] [2020-10-28 17:05:16,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:05:16,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:16,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:05:16,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:05:16,030 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-10-28 17:05:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:05:17,417 INFO L93 Difference]: Finished difference Result 279 states and 361 transitions. [2020-10-28 17:05:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:05:17,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:05:17,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:05:17,433 INFO L225 Difference]: With dead ends: 279 [2020-10-28 17:05:17,433 INFO L226 Difference]: Without dead ends: 154 [2020-10-28 17:05:17,438 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 17:05:17,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-28 17:05:17,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2020-10-28 17:05:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-28 17:05:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-10-28 17:05:17,532 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 60 [2020-10-28 17:05:17,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:05:17,533 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-10-28 17:05:17,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:05:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-10-28 17:05:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:05:17,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:17,538 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 17:05:17,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:05:17,538 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 17:05:17,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:17,539 INFO L82 PathProgramCache]: Analyzing trace with hash -826338795, now seen corresponding path program 1 times [2020-10-28 17:05:17,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:17,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383459156] [2020-10-28 17:05:17,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:17,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:17,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:18,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:19,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:22,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:22,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:05:22,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:05:22,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 17:05:22,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:22,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:05:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:05:22,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,022 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:23,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 17:05:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:23,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:05:23,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:23,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:23,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:05:23,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:23,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:23,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:23,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:05:23,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:23,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:05:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:23,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:23,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:05:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:23,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:23,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:23,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:23,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:05:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:23,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:05:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:23,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:23,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:23,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:23,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:05:23,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383459156] [2020-10-28 17:05:23,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:23,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:05:23,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822496295] [2020-10-28 17:05:23,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:05:23,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:23,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:05:23,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:05:23,202 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 5 states. [2020-10-28 17:05:24,135 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:05:25,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:05:25,296 INFO L93 Difference]: Finished difference Result 211 states and 257 transitions. [2020-10-28 17:05:25,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:05:25,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:05:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:05:25,300 INFO L225 Difference]: With dead ends: 211 [2020-10-28 17:05:25,300 INFO L226 Difference]: Without dead ends: 144 [2020-10-28 17:05:25,302 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 17:05:25,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-28 17:05:25,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 114. [2020-10-28 17:05:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-28 17:05:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-10-28 17:05:25,349 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 61 [2020-10-28 17:05:25,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:05:25,349 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-10-28 17:05:25,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:05:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-10-28 17:05:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 17:05:25,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:25,353 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:05:25,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:05:25,353 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 17:05:25,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:25,354 INFO L82 PathProgramCache]: Analyzing trace with hash 333636077, now seen corresponding path program 1 times [2020-10-28 17:05:25,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:25,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300910817] [2020-10-28 17:05:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:25,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:25,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:26,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:26,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:29,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:29,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 17:05:29,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:05:29,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3998 [2020-10-28 17:05:29,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:29,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:05:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:29,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:05:29,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:29,838 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:29,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:29,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:29,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:29,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:29,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-28 17:05:29,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:29,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:05:29,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:29,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:29,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:29,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:29,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:29,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:29,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:29,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:29,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:05:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:29,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:29,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:29,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:29,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:29,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:29,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:05:29,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:29,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:29,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:29,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:29,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:29,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:29,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:29,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:29,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:05:29,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:29,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:29,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:29,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:29,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:29,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:29,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:05:29,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:30,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:30,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:30,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:30,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:30,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:05:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:05:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:30,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:30,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:05:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:30,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:05:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:30,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:30,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:30,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:30,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:30,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:30,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:30,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:30,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:30,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:05:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:30,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:30,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:30,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 17:05:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:30,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:30,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:30,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:30,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:30,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:30,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:05:30,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:30,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:30,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:05:30,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300910817] [2020-10-28 17:05:30,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:30,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:05:30,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395690757] [2020-10-28 17:05:30,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:05:30,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:30,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:05:30,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:05:30,085 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2020-10-28 17:05:30,591 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:05:32,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:05:32,352 INFO L93 Difference]: Finished difference Result 322 states and 395 transitions. [2020-10-28 17:05:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:05:32,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-28 17:05:32,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:05:32,358 INFO L225 Difference]: With dead ends: 322 [2020-10-28 17:05:32,358 INFO L226 Difference]: Without dead ends: 236 [2020-10-28 17:05:32,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:05:32,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-28 17:05:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 189. [2020-10-28 17:05:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-28 17:05:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 224 transitions. [2020-10-28 17:05:32,431 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 224 transitions. Word has length 66 [2020-10-28 17:05:32,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:05:32,431 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 224 transitions. [2020-10-28 17:05:32,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:05:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 224 transitions. [2020-10-28 17:05:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-28 17:05:32,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:05:32,435 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 17:05:32,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:05:32,435 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 17:05:32,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:05:32,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1538367781, now seen corresponding path program 1 times [2020-10-28 17:05:32,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:05:32,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1658649308] [2020-10-28 17:05:32,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:05:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:32,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:32,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:33,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 17:05:35,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:05:35,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2613 [2020-10-28 17:05:35,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:05:35,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:05:35,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 17:05:35,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,556 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:35,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 17:05:35,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:35,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:05:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:35,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:05:35,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:35,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:35,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:05:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:35,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:05:35,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:35,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:05:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:35,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:35,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:35,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:35,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:05:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:05:35,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:05:35,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:35,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:05:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:35,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:05:35,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:35,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 17:05:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:05:35,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:35,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:05:35,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:05:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 17:05:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:05:35,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:05:35,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:05:35,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:05:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:35,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:35,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:05:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:05:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 17:05:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:35,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:05:35,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:05:35,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:05:35,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 17:05:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:05:35,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:05:35,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:05:35,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:05:35,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:05:35,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:05:35,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:05:35,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:05:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:05:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:05:35,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:05:35,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:05:35,742 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 17:05:35,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1658649308] [2020-10-28 17:05:35,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:05:35,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:05:35,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096643104] [2020-10-28 17:05:35,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:05:35,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:05:35,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:05:35,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:05:35,746 INFO L87 Difference]: Start difference. First operand 189 states and 224 transitions. Second operand 9 states. [2020-10-28 17:05:36,411 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:05:37,387 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:05:38,373 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 17:05:38,791 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 17:05:38,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:05:38,977 INFO L93 Difference]: Finished difference Result 349 states and 455 transitions. [2020-10-28 17:05:38,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 17:05:38,978 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-28 17:05:38,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:05:38,979 INFO L225 Difference]: With dead ends: 349 [2020-10-28 17:05:38,979 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:05:38,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 17:05:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:05:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:05:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:05:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:05:38,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-28 17:05:38,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:05:38,984 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:05:38,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:05:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:05:38,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:05:38,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:05:38,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:05:39,306 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 7 [2020-10-28 17:05:41,518 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:05:41,815 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:42,130 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:05:42,458 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:42,822 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:05:43,121 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 10 [2020-10-28 17:05:43,480 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:05:43,771 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:05:44,373 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-10-28 17:05:44,694 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:05:45,271 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:05:45,871 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:05:46,391 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 10 [2020-10-28 17:05:46,711 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:47,029 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:47,412 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:48,040 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2020-10-28 17:05:48,326 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:05:48,638 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-28 17:05:48,957 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:49,237 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-10-28 17:05:49,578 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:49,901 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 17:05:50,521 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 13 [2020-10-28 17:05:50,542 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:05:50,542 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:05:50,542 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:05:50,543 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:05:50,543 INFO L274 CegarLoopResult]: For program point L571(lines 548 572) no Hoare annotation was computed. [2020-10-28 17:05:50,543 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 524 579) no Hoare annotation was computed. [2020-10-28 17:05:50,543 INFO L274 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-10-28 17:05:50,543 INFO L274 CegarLoopResult]: For program point L555-1(lines 555 559) no Hoare annotation was computed. [2020-10-28 17:05:50,544 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 524 579) no Hoare annotation was computed. [2020-10-28 17:05:50,544 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-28 17:05:50,544 INFO L274 CegarLoopResult]: For program point L549-2(lines 549 570) no Hoare annotation was computed. [2020-10-28 17:05:50,544 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 524 579) no Hoare annotation was computed. [2020-10-28 17:05:50,544 INFO L274 CegarLoopResult]: For program point L607(line 607) no Hoare annotation was computed. [2020-10-28 17:05:50,544 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 631) no Hoare annotation was computed. [2020-10-28 17:05:50,544 INFO L274 CegarLoopResult]: For program point L632(lines 605 633) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 580 639) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L274 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L274 CegarLoopResult]: For program point L625-1(line 625) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 580 639) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 580 639) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L274 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L274 CegarLoopResult]: For program point L612-1(lines 612 616) no Hoare annotation was computed. [2020-10-28 17:05:50,545 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 404 410) the Hoare annotation is: true [2020-10-28 17:05:50,546 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 404 410) no Hoare annotation was computed. [2020-10-28 17:05:50,546 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 411 419) no Hoare annotation was computed. [2020-10-28 17:05:50,546 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 411 419) the Hoare annotation is: true [2020-10-28 17:05:50,546 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 411 419) no Hoare annotation was computed. [2020-10-28 17:05:50,546 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 424 431) 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 17:05:50,546 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 424 431) no Hoare annotation was computed. [2020-10-28 17:05:50,546 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 424 431) no Hoare annotation was computed. [2020-10-28 17:05:50,546 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 432 441) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:05:50,547 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 432 441) no Hoare annotation was computed. [2020-10-28 17:05:50,547 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 432 441) no Hoare annotation was computed. [2020-10-28 17:05:50,547 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-28 17:05:50,547 INFO L274 CegarLoopResult]: For program point L450-1(lines 442 470) no Hoare annotation was computed. [2020-10-28 17:05:50,547 INFO L277 CegarLoopResult]: At program point L448(line 448) the Hoare annotation is: true [2020-10-28 17:05:50,547 INFO L274 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-10-28 17:05:50,547 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 442 470) the Hoare annotation is: true [2020-10-28 17:05:50,547 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 442 470) no Hoare annotation was computed. [2020-10-28 17:05:50,548 INFO L270 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:05:50,548 INFO L274 CegarLoopResult]: For program point L455(lines 455 461) no Hoare annotation was computed. [2020-10-28 17:05:50,548 INFO L274 CegarLoopResult]: For program point L454(lines 454 464) no Hoare annotation was computed. [2020-10-28 17:05:50,548 INFO L277 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-10-28 17:05:50,548 INFO L274 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-10-28 17:05:50,548 INFO L274 CegarLoopResult]: For program point L450(lines 450 467) no Hoare annotation was computed. [2020-10-28 17:05:50,548 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 362 384) 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 17:05:50,548 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 362 384) no Hoare annotation was computed. [2020-10-28 17:05:50,549 INFO L270 CegarLoopResult]: At program point L374(line 374) 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 17:05:50,549 INFO L270 CegarLoopResult]: At program point L374-1(line 374) 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 17:05:50,549 INFO L274 CegarLoopResult]: For program point L372(lines 372 379) no Hoare annotation was computed. [2020-10-28 17:05:50,549 INFO L274 CegarLoopResult]: For program point L372-1(lines 372 379) no Hoare annotation was computed. [2020-10-28 17:05:50,549 INFO L274 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-10-28 17:05:50,549 INFO L270 CegarLoopResult]: At program point L369(line 369) 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 17:05:50,550 INFO L270 CegarLoopResult]: At program point L368(line 368) 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 17:05:50,550 INFO L270 CegarLoopResult]: At program point L368-1(line 368) 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 17:05:50,550 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 362 384) no Hoare annotation was computed. [2020-10-28 17:05:50,550 INFO L274 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-10-28 17:05:50,550 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 316 339) no Hoare annotation was computed. [2020-10-28 17:05:50,550 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 316 339) no Hoare annotation was computed. [2020-10-28 17:05:50,550 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 316 339) no Hoare annotation was computed. [2020-10-28 17:05:50,550 INFO L274 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-10-28 17:05:50,551 INFO L274 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-10-28 17:05:50,552 INFO L274 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-10-28 17:05:50,552 INFO L274 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-10-28 17:05:50,552 INFO L274 CegarLoopResult]: For program point L193(lines 193 199) no Hoare annotation was computed. [2020-10-28 17:05:50,552 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 189 203) no Hoare annotation was computed. [2020-10-28 17:05:50,552 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 189 203) 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 17:05:50,552 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 189 203) no Hoare annotation was computed. [2020-10-28 17:05:50,552 INFO L270 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:05:50,552 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 144 152) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 144 152) the Hoare annotation is: true [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 144 152) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point L160(lines 160 168) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point L160-2(lines 160 168) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point L183-1(line 183) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 153 188) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point L172(lines 172 180) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 180) no Hoare annotation was computed. [2020-10-28 17:05:50,553 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 153 188) no Hoare annotation was computed. [2020-10-28 17:05:50,554 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 153 188) no Hoare annotation was computed. [2020-10-28 17:05:50,554 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 397 403) no Hoare annotation was computed. [2020-10-28 17:05:50,554 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 397 403) the Hoare annotation is: true [2020-10-28 17:05:50,554 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 478 523) no Hoare annotation was computed. [2020-10-28 17:05:50,554 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 478 523) no Hoare annotation was computed. [2020-10-28 17:05:50,554 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 478 523) no Hoare annotation was computed. [2020-10-28 17:05:50,554 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 791 836) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point L822(lines 822 823) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point L815(lines 815 816) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 815 816) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 822 823) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 791 836) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 791 836) no Hoare annotation was computed. [2020-10-28 17:05:50,555 INFO L274 CegarLoopResult]: For program point L805(lines 805 825) no Hoare annotation was computed. [2020-10-28 17:05:50,556 INFO L274 CegarLoopResult]: For program point L805-1(lines 805 825) no Hoare annotation was computed. [2020-10-28 17:05:50,556 INFO L270 CegarLoopResult]: At program point L353(line 353) 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 17:05:50,556 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 348 358) 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 17:05:50,556 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 348 358) no Hoare annotation was computed. [2020-10-28 17:05:50,556 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 348 358) no Hoare annotation was computed. [2020-10-28 17:05:50,556 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 133 143) the Hoare annotation is: true [2020-10-28 17:05:50,556 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 133 143) no Hoare annotation was computed. [2020-10-28 17:05:50,556 INFO L277 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true [2020-10-28 17:05:50,557 INFO L274 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-10-28 17:05:50,557 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 133 143) no Hoare annotation was computed. [2020-10-28 17:05:50,557 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 125 132) the Hoare annotation is: true [2020-10-28 17:05:50,557 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 125 132) no Hoare annotation was computed. [2020-10-28 17:05:50,557 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 125 132) no Hoare annotation was computed. [2020-10-28 17:05:50,557 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-28 17:05:50,557 INFO L274 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-10-28 17:05:50,557 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 92 116) no Hoare annotation was computed. [2020-10-28 17:05:50,557 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 92 116) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:05:50,558 INFO L270 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 17:05:50,558 INFO L274 CegarLoopResult]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2020-10-28 17:05:50,558 INFO L270 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:05:50,558 INFO L270 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:05:50,558 INFO L274 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-10-28 17:05:50,558 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:05:50,558 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2020-10-28 17:05:50,558 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2020-10-28 17:05:50,558 INFO L274 CegarLoopResult]: For program point L256(lines 256 271) no Hoare annotation was computed. [2020-10-28 17:05:50,559 INFO L270 CegarLoopResult]: At program point testENTRY(lines 216 283) 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 17:05:50,559 INFO L270 CegarLoopResult]: At program point L248(line 248) 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 17:05:50,559 INFO L274 CegarLoopResult]: For program point testFINAL(lines 216 283) no Hoare annotation was computed. [2020-10-28 17:05:50,559 INFO L274 CegarLoopResult]: For program point L246(lines 246 252) no Hoare annotation was computed. [2020-10-28 17:05:50,559 INFO L274 CegarLoopResult]: For program point L246-1(lines 246 252) no Hoare annotation was computed. [2020-10-28 17:05:50,559 INFO L270 CegarLoopResult]: At program point L273(lines 226 275) 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 17:05:50,559 INFO L270 CegarLoopResult]: At program point L238(line 238) 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 17:05:50,559 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-10-28 17:05:50,560 INFO L274 CegarLoopResult]: For program point L236-1(lines 236 242) no Hoare annotation was computed. [2020-10-28 17:05:50,560 INFO L274 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-10-28 17:05:50,560 INFO L270 CegarLoopResult]: At program point L276(lines 225 277) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:05:50,560 INFO L270 CegarLoopResult]: At program point L266(line 266) 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 17:05:50,560 INFO L274 CegarLoopResult]: For program point L264(lines 264 270) no Hoare annotation was computed. [2020-10-28 17:05:50,560 INFO L270 CegarLoopResult]: At program point L264-1(lines 256 271) 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 17:05:50,560 INFO L274 CegarLoopResult]: For program point L227(lines 226 275) no Hoare annotation was computed. [2020-10-28 17:05:50,560 INFO L274 CegarLoopResult]: For program point testEXIT(lines 216 283) no Hoare annotation was computed. [2020-10-28 17:05:50,560 INFO L270 CegarLoopResult]: At program point L258(line 258) 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 17:05:50,561 INFO L274 CegarLoopResult]: For program point L769(lines 769 770) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 769 770) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point L765(lines 765 772) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 776 777) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 745 790) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point L759(lines 759 779) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point L759-1(lines 759 779) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 745 790) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 745 790) no Hoare annotation was computed. [2020-10-28 17:05:50,561 INFO L274 CegarLoopResult]: For program point L776(lines 776 777) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 894 916) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point L902(lines 902 910) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 894 916) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 894 916) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point L902-2(lines 902 910) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 387 396) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 387 396) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 387 396) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point L671(lines 671 687) no Hoare annotation was computed. [2020-10-28 17:05:50,562 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 642 744) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L731(lines 731 738) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L692(lines 691 711) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L688(lines 688 729) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 642 744) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L707(line 707) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L707-1(line 707) no Hoare annotation was computed. [2020-10-28 17:05:50,563 INFO L274 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-10-28 17:05:50,564 INFO L274 CegarLoopResult]: For program point L730(lines 730 741) no Hoare annotation was computed. [2020-10-28 17:05:50,564 INFO L274 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-10-28 17:05:50,564 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 642 744) no Hoare annotation was computed. [2020-10-28 17:05:50,564 INFO L274 CegarLoopResult]: For program point L691-2(lines 691 711) no Hoare annotation was computed. [2020-10-28 17:05:50,564 INFO L274 CegarLoopResult]: For program point L712(lines 690 713) no Hoare annotation was computed. [2020-10-28 17:05:50,564 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:05:50,565 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= ~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~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.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~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 17:05:50,565 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:05:50,565 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 117 124) no Hoare annotation was computed. [2020-10-28 17:05:50,565 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 117 124) no Hoare annotation was computed. [2020-10-28 17:05:50,565 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 117 124) no Hoare annotation was computed. [2020-10-28 17:05:50,565 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 917 925) the Hoare annotation is: true [2020-10-28 17:05:50,565 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 917 925) no Hoare annotation was computed. [2020-10-28 17:05:50,565 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 917 925) no Hoare annotation was computed. [2020-10-28 17:05:50,565 INFO L274 CegarLoopResult]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 873 884) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 873 884) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 885 893) the Hoare annotation is: true [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 885 893) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 885 893) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point L64(lines 60 82) no Hoare annotation was computed. [2020-10-28 17:05:50,566 INFO L274 CegarLoopResult]: For program point L62(lines 60 82) no Hoare annotation was computed. [2020-10-28 17:05:50,567 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 57 83) 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 17:05:50,567 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2020-10-28 17:05:50,567 INFO L270 CegarLoopResult]: At program point L73(line 73) 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 17:05:50,567 INFO L270 CegarLoopResult]: At program point L71(lines 71 77) 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 17:05:50,567 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2020-10-28 17:05:50,567 INFO L270 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 17:05:50,567 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 286 315) no Hoare annotation was computed. [2020-10-28 17:05:50,567 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 286 315) the Hoare annotation is: true [2020-10-28 17:05:50,568 INFO L277 CegarLoopResult]: At program point L311(lines 286 315) the Hoare annotation is: true [2020-10-28 17:05:50,568 INFO L274 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-10-28 17:05:50,568 INFO L274 CegarLoopResult]: For program point L300(lines 300 304) no Hoare annotation was computed. [2020-10-28 17:05:50,568 INFO L277 CegarLoopResult]: At program point L300-1(lines 300 304) the Hoare annotation is: true [2020-10-28 17:05:50,568 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-10-28 17:05:50,568 INFO L277 CegarLoopResult]: At program point L296-2(lines 296 310) the Hoare annotation is: true [2020-10-28 17:05:50,568 INFO L277 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: true [2020-10-28 17:05:50,568 INFO L274 CegarLoopResult]: For program point L292-1(line 292) no Hoare annotation was computed. [2020-10-28 17:05:50,568 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 849 860) the Hoare annotation is: true [2020-10-28 17:05:50,569 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 849 860) no Hoare annotation was computed. [2020-10-28 17:05:50,569 INFO L274 CegarLoopResult]: For program point L853-1(lines 849 860) no Hoare annotation was computed. [2020-10-28 17:05:50,569 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 340 346) no Hoare annotation was computed. [2020-10-28 17:05:50,569 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 340 346) the Hoare annotation is: true [2020-10-28 17:05:50,569 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:05:50,569 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 17:05:50,569 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:05:50,569 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:05:50,569 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 204 211) no Hoare annotation was computed. [2020-10-28 17:05:50,570 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 204 211) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:05:50,570 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 204 211) no Hoare annotation was computed. [2020-10-28 17:05:50,570 INFO L274 CegarLoopResult]: For program point L865-1(lines 861 872) no Hoare annotation was computed. [2020-10-28 17:05:50,570 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 861 872) no Hoare annotation was computed. [2020-10-28 17:05:50,570 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 861 872) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 17:05:50,570 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 838 845) no Hoare annotation was computed. [2020-10-28 17:05:50,570 INFO L274 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-10-28 17:05:50,570 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 838 845) the Hoare annotation is: true [2020-10-28 17:05:50,570 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 838 845) no Hoare annotation was computed. [2020-10-28 17:05:50,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:05:50 BoogieIcfgContainer [2020-10-28 17:05:50,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:05:50,590 INFO L168 Benchmark]: Toolchain (without parser) took 43152.97 ms. Allocated memory was 151.0 MB in the beginning and 553.6 MB in the end (delta: 402.7 MB). Free memory was 126.1 MB in the beginning and 437.1 MB in the end (delta: -311.0 MB). Peak memory consumption was 329.7 MB. Max. memory is 8.0 GB. [2020-10-28 17:05:50,591 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 122.5 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:05:50,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.21 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:05:50,593 INFO L168 Benchmark]: Boogie Preprocessor took 102.54 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 133.6 MB in the end (delta: -28.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. [2020-10-28 17:05:50,593 INFO L168 Benchmark]: RCFGBuilder took 1704.32 ms. Allocated memory is still 151.0 MB. Free memory was 133.6 MB in the beginning and 129.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:05:50,594 INFO L168 Benchmark]: TraceAbstraction took 40684.61 ms. Allocated memory was 151.0 MB in the beginning and 553.6 MB in the end (delta: 402.7 MB). Free memory was 128.7 MB in the beginning and 437.1 MB in the end (delta: -308.4 MB). Peak memory consumption was 332.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:05:50,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory was 122.6 MB in the beginning and 122.5 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 646.21 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 102.54 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 133.6 MB in the end (delta: -28.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1704.32 ms. Allocated memory is still 151.0 MB. Free memory was 133.6 MB in the beginning and 129.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 40684.61 ms. Allocated memory was 151.0 MB in the beginning and 553.6 MB in the end (delta: 402.7 MB). Free memory was 128.7 MB in the beginning and 437.1 MB in the end (delta: -308.4 MB). Peak memory consumption was 332.0 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: 776]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 769]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 815]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 822]: 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: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.0s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 437 SDtfs, 522 SDslu, 285 SDs, 0 SdLazy, 1013 SolverSat, 358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.9s 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, 108 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 276 PreInvPairs, 320 NumberOfFragments, 853 HoareAnnotationTreeSize, 276 FomulaSimplifications, 24456 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8792 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 79928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...