/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:59:27,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:59:27,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:59:27,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:59:27,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:59:27,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:59:27,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:59:27,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:59:27,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:59:27,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:59:27,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:59:27,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:59:27,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:59:27,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:59:27,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:59:27,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:59:27,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:59:27,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:59:27,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:59:27,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:59:27,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:59:27,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:59:27,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:59:27,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:59:27,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:59:27,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:59:27,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:59:27,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:59:27,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:59:27,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:59:27,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:59:27,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:59:27,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:59:27,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:59:27,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:59:27,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:59:27,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:59:27,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:59:27,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:59:27,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:59:27,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:59:27,273 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 [2020-10-27 21:59:27,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:59:27,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:59:27,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:59:27,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:59:27,337 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:59:27,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:59:27,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:59:27,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:59:27,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:59:27,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:59:27,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:59:27,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:59:27,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:59:27,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:59:27,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:59:27,341 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:59:27,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:59:27,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:59:27,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:59:27,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:59:27,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:59:27,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:59:27,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:59:27,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:59:27,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:59:27,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:59:27,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:59:27,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:59:27,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:59:27,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:59:27,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:59:27,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:59:27,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:59:27,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:59:27,791 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:59:27,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c [2020-10-27 21:59:27,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b10470e3/4523ad6790ce4b62921fa72457ee78a6/FLAG7a1b3e57e [2020-10-27 21:59:28,585 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:59:28,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product44.cil.c [2020-10-27 21:59:28,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b10470e3/4523ad6790ce4b62921fa72457ee78a6/FLAG7a1b3e57e [2020-10-27 21:59:28,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b10470e3/4523ad6790ce4b62921fa72457ee78a6 [2020-10-27 21:59:28,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:59:28,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:59:28,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:59:28,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:59:28,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:59:28,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:59:28" (1/1) ... [2020-10-27 21:59:28,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38eb35ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:28, skipping insertion in model container [2020-10-27 21:59:28,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:59:28" (1/1) ... [2020-10-27 21:59:28,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:59:28,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:59:29,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:59:29,058 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:59:29,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:59:29,240 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:59:29,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29 WrapperNode [2020-10-27 21:59:29,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:59:29,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:59:29,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:59:29,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:59:29,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (1/1) ... [2020-10-27 21:59:29,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (1/1) ... [2020-10-27 21:59:29,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (1/1) ... [2020-10-27 21:59:29,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (1/1) ... [2020-10-27 21:59:29,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (1/1) ... [2020-10-27 21:59:29,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (1/1) ... [2020-10-27 21:59:29,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (1/1) ... [2020-10-27 21:59:29,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:59:29,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:59:29,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:59:29,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:59:29,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (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 [2020-10-27 21:59:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:59:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:59:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:59:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:59:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:59:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:59:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:59:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:59:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:59:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:59:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:59:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:59:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:59:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 21:59:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 21:59:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 21:59:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 21:59:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 21:59:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 21:59:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 21:59:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 21:59:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 21:59:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 21:59:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 21:59:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 21:59:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 21:59:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 21:59:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 21:59:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 21:59:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 21:59:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 21:59:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 21:59:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:59:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:59:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:59:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:59:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:59:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:59:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:59:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:59:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:59:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:59:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:59:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:59:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:59:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:59:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:59:29,503 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:59:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:59:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:59:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:59:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:59:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:59:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:59:29,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:59:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:59:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:59:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:59:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:59:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:59:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:59:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:59:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:59:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 21:59:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 21:59:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 21:59:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 21:59:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:59:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:59:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:59:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 21:59:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 21:59:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 21:59:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 21:59:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 21:59:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 21:59:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 21:59:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 21:59:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 21:59:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 21:59:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 21:59:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 21:59:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 21:59:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 21:59:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 21:59:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:59:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:59:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:59:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:59:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:59:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:59:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:59:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:59:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:59:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:59:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:59:30,974 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:59:30,975 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 21:59:30,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:59:30 BoogieIcfgContainer [2020-10-27 21:59:30,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:59:30,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:59:30,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:59:31,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:59:31,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:59:28" (1/3) ... [2020-10-27 21:59:31,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c11d496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:59:31, skipping insertion in model container [2020-10-27 21:59:31,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:29" (2/3) ... [2020-10-27 21:59:31,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c11d496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:59:31, skipping insertion in model container [2020-10-27 21:59:31,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:59:30" (3/3) ... [2020-10-27 21:59:31,006 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product44.cil.c [2020-10-27 21:59:31,019 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:59:31,026 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:59:31,042 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:59:31,088 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:59:31,088 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:59:31,089 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:59:31,089 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:59:31,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:59:31,090 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:59:31,090 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:59:31,091 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:59:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-10-27 21:59:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 21:59:31,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:31,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:59:31,143 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]=== [2020-10-27 21:59:31,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:31,153 INFO L82 PathProgramCache]: Analyzing trace with hash -641568922, now seen corresponding path program 1 times [2020-10-27 21:59:31,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:31,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70410670] [2020-10-27 21:59:31,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:31,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:31,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:36,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:36,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 21:59:36,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:59:36,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 21:59:36,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:36,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:36,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 21:59:36,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 21:59:36,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-27 21:59:36,892 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:36,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:36,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:36,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:36,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:36,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:36,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 21:59:36,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:36,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:36,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:37,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:59:37,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:37,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:59:37,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:37,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:37,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:37,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 21:59:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:37,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:37,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 21:59:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:59:37,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:59:37,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70410670] [2020-10-27 21:59:37,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:59:37,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 21:59:37,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592069553] [2020-10-27 21:59:37,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 21:59:37,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:37,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 21:59:37,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 21:59:37,136 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 7 states. [2020-10-27 21:59:37,716 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:39,025 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:39,651 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:40,040 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:41,050 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:41,569 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:42,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:42,919 INFO L93 Difference]: Finished difference Result 397 states and 542 transitions. [2020-10-27 21:59:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 21:59:42,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 21:59:42,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:42,942 INFO L225 Difference]: With dead ends: 397 [2020-10-27 21:59:42,943 INFO L226 Difference]: Without dead ends: 241 [2020-10-27 21:59:42,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:59:42,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-10-27 21:59:43,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 205. [2020-10-27 21:59:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-27 21:59:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2020-10-27 21:59:43,134 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 47 [2020-10-27 21:59:43,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:43,139 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2020-10-27 21:59:43,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 21:59:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2020-10-27 21:59:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 21:59:43,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:43,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:59:43,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:59:43,157 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]=== [2020-10-27 21:59:43,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:43,158 INFO L82 PathProgramCache]: Analyzing trace with hash -169070523, now seen corresponding path program 1 times [2020-10-27 21:59:43,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:43,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302469802] [2020-10-27 21:59:43,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:43,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:43,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:43,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 21:59:48,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:59:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 21:59:48,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 21:59:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-27 21:59:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 21:59:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:48,655 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:48,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:48,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:48,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 21:59:48,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:48,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:48,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:48,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:48,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:48,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:48,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:48,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:48,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:48,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:48,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:48,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:48,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:48,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:48,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:48,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:48,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:48,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:48,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:48,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:48,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:48,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 21:59:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:48,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 21:59:48,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:59:48,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-27 21:59:48,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 21:59:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:59:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:48,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:48,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:48,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:48,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:48,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:59:48,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:48,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:59:48,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:49,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:59:49,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:59:49,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 21:59:49,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:59:49,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:49,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 21:59:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:59:49,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:49,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:49,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 21:59:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 21:59:49,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302469802] [2020-10-27 21:59:49,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:59:49,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 21:59:49,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550962383] [2020-10-27 21:59:49,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 21:59:49,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:49,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 21:59:49,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-27 21:59:49,107 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand 12 states. [2020-10-27 21:59:49,762 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:50,861 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:51,362 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:51,855 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:52,480 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:52,931 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:53,379 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 21:59:53,901 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:54,387 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 21:59:54,832 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:55,442 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:55,926 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:56,465 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:56,898 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:59,150 INFO L93 Difference]: Finished difference Result 680 states and 994 transitions. [2020-10-27 21:59:59,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 21:59:59,150 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-10-27 21:59:59,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:59,167 INFO L225 Difference]: With dead ends: 680 [2020-10-27 21:59:59,168 INFO L226 Difference]: Without dead ends: 456 [2020-10-27 21:59:59,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2020-10-27 21:59:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-10-27 21:59:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 368. [2020-10-27 21:59:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-10-27 21:59:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 452 transitions. [2020-10-27 21:59:59,309 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 452 transitions. Word has length 91 [2020-10-27 21:59:59,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:59,309 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 452 transitions. [2020-10-27 21:59:59,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 21:59:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 452 transitions. [2020-10-27 21:59:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 21:59:59,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:59,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:59:59,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:59:59,313 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]=== [2020-10-27 21:59:59,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:59,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1227971641, now seen corresponding path program 1 times [2020-10-27 21:59:59,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:59,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240617291] [2020-10-27 21:59:59,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:59,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:59,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:59,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:03,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:03,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 22:00:03,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:03,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4198 [2020-10-27 22:00:03,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:03,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:00:03,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 22:00:03,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:00:03,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,025 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:04,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:04,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:00:04,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 22:00:04,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:04,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:04,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:04,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:04,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:04,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:04,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:04,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:04,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 22:00:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:04,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:04,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:00:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:04,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:00:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 22:00:04,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:00:04,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:04,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:04,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:00:04,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:04,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:00:04,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:04,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:04,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:00:04,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:00:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:04,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:00:04,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 22:00:04,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:04,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:04,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:04,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:04,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:04,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:04,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:00:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:04,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:04,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:04,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:04,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 22:00:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:04,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:04,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:04,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:00:04,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240617291] [2020-10-27 22:00:04,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:04,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 22:00:04,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751238225] [2020-10-27 22:00:04,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:00:04,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:04,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:00:04,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:00:04,486 INFO L87 Difference]: Start difference. First operand 368 states and 452 transitions. Second operand 12 states. [2020-10-27 22:00:05,235 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:06,491 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:00:07,007 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:07,455 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:07,849 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:08,256 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:08,734 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:09,172 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:09,549 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:09,916 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:10,364 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:10,775 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:13,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:13,462 INFO L93 Difference]: Finished difference Result 852 states and 1172 transitions. [2020-10-27 22:00:13,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:00:13,468 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-27 22:00:13,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:13,474 INFO L225 Difference]: With dead ends: 852 [2020-10-27 22:00:13,474 INFO L226 Difference]: Without dead ends: 508 [2020-10-27 22:00:13,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2020-10-27 22:00:13,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-27 22:00:13,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 376. [2020-10-27 22:00:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-27 22:00:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 460 transitions. [2020-10-27 22:00:13,572 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 460 transitions. Word has length 95 [2020-10-27 22:00:13,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:13,572 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 460 transitions. [2020-10-27 22:00:13,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:00:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 460 transitions. [2020-10-27 22:00:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 22:00:13,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:13,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:00:13,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:00:13,575 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]=== [2020-10-27 22:00:13,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:13,576 INFO L82 PathProgramCache]: Analyzing trace with hash -258390618, now seen corresponding path program 1 times [2020-10-27 22:00:13,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:13,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592808680] [2020-10-27 22:00:13,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:13,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:13,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:14,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:18,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:18,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 22:00:18,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:18,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 22:00:18,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:00:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 22:00:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:00:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,080 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 22:00:19,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:19,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:19,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:19,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 22:00:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:00:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:19,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 22:00:19,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:00:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 22:00:19,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:19,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:19,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:19,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:19,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:00:19,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:00:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:00:19,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:19,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:00:19,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:00:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:00:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:00:19,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:00:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:19,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:00:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:19,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:19,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:19,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:19,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 22:00:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:19,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:19,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:19,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:19,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:19,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:19,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:00:19,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592808680] [2020-10-27 22:00:19,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:19,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 22:00:19,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118247725] [2020-10-27 22:00:19,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:00:19,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:19,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:00:19,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:00:19,433 INFO L87 Difference]: Start difference. First operand 376 states and 460 transitions. Second operand 13 states. [2020-10-27 22:00:20,248 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:21,602 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:00:22,132 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:22,578 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:22,994 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:23,586 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:24,904 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:00:25,337 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:25,805 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:26,221 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:27,837 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:28,250 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:28,670 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:29,067 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:30,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:30,186 INFO L93 Difference]: Finished difference Result 1031 states and 1418 transitions. [2020-10-27 22:00:30,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 22:00:30,188 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 95 [2020-10-27 22:00:30,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:30,194 INFO L225 Difference]: With dead ends: 1031 [2020-10-27 22:00:30,194 INFO L226 Difference]: Without dead ends: 622 [2020-10-27 22:00:30,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2020-10-27 22:00:30,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-10-27 22:00:30,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 503. [2020-10-27 22:00:30,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-10-27 22:00:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 608 transitions. [2020-10-27 22:00:30,315 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 608 transitions. Word has length 95 [2020-10-27 22:00:30,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:30,315 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 608 transitions. [2020-10-27 22:00:30,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:00:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 608 transitions. [2020-10-27 22:00:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 22:00:30,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:30,319 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:00:30,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:00:30,320 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:00:30,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:30,321 INFO L82 PathProgramCache]: Analyzing trace with hash -355870717, now seen corresponding path program 1 times [2020-10-27 22:00:30,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:30,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744340398] [2020-10-27 22:00:30,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:30,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:30,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:30,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:31,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:31,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-27 22:00:31,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1181 [2020-10-27 22:00:31,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 22:00:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 22:00:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:31,912 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:31,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:31,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:31,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:31,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:31,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 22:00:31,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:31,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:31,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:31,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:31,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:31,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:31,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:31,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:31,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:31,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:31,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:31,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:31,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:31,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:31,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:31,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:31,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:31,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:31,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:31,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:31,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:31,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:31,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:31,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:31,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:31,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:31,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:31,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:31,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:31,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:31,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:31,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:31,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:00:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:31,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:00:32,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:00:32,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:32,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:32,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:00:32,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:00:32,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:32,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:32,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:32,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:32,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:32,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:32,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:32,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:32,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:32,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:32,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:32,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:32,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:00:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:32,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:32,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:00:32,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:32,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:32,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 22:00:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:32,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:32,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:32,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 22:00:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:32,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:32,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:32,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:32,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 22:00:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:32,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:32,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 22:00:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:32,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:32,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:32,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:32,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:32,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:32,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 22:00:32,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744340398] [2020-10-27 22:00:32,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:00:32,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:00:32,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733163710] [2020-10-27 22:00:32,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:00:32,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:32,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:00:32,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:00:32,201 INFO L87 Difference]: Start difference. First operand 503 states and 608 transitions. Second operand 8 states. [2020-10-27 22:00:33,005 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:37,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:37,020 INFO L93 Difference]: Finished difference Result 1524 states and 2160 transitions. [2020-10-27 22:00:37,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 22:00:37,020 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-10-27 22:00:37,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:37,031 INFO L225 Difference]: With dead ends: 1524 [2020-10-27 22:00:37,031 INFO L226 Difference]: Without dead ends: 1045 [2020-10-27 22:00:37,034 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:00:37,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2020-10-27 22:00:37,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 604. [2020-10-27 22:00:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-27 22:00:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 729 transitions. [2020-10-27 22:00:37,205 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 729 transitions. Word has length 123 [2020-10-27 22:00:37,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:37,206 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 729 transitions. [2020-10-27 22:00:37,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:00:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 729 transitions. [2020-10-27 22:00:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 22:00:37,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:37,210 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:00:37,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:00:37,211 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-27 22:00:37,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:37,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1425576432, now seen corresponding path program 1 times [2020-10-27 22:00:37,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:37,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698656375] [2020-10-27 22:00:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:37,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:37,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:37,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 22:00:37,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-27 22:00:37,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:00:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 22:00:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,163 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:38,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 22:00:38,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:00:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:38,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:38,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:38,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:38,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:00:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:00:38,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 22:00:38,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:00:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 22:00:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:38,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:00:38,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:00:38,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:00:38,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:38,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:00:38,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:38,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:38,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:38,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:00:38,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:00:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:38,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:00:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:38,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:38,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:00:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 22:00:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 22:00:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:38,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 22:00:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:00:38,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:38,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:00:38,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:38,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 22:00:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 22:00:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:38,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:38,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:38,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:38,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:38,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 22:00:38,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698656375] [2020-10-27 22:00:38,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:00:38,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:00:38,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958135779] [2020-10-27 22:00:38,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:00:38,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:38,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:00:38,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:00:38,606 INFO L87 Difference]: Start difference. First operand 604 states and 729 transitions. Second operand 11 states. [2020-10-27 22:00:39,448 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:40,559 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 204 [2020-10-27 22:00:43,700 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:45,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:45,471 INFO L93 Difference]: Finished difference Result 2212 states and 2913 transitions. [2020-10-27 22:00:45,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 22:00:45,473 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2020-10-27 22:00:45,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:45,486 INFO L225 Difference]: With dead ends: 2212 [2020-10-27 22:00:45,486 INFO L226 Difference]: Without dead ends: 1628 [2020-10-27 22:00:45,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2020-10-27 22:00:45,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-10-27 22:00:45,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1411. [2020-10-27 22:00:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1411 states. [2020-10-27 22:00:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1715 transitions. [2020-10-27 22:00:45,841 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1715 transitions. Word has length 131 [2020-10-27 22:00:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:45,841 INFO L481 AbstractCegarLoop]: Abstraction has 1411 states and 1715 transitions. [2020-10-27 22:00:45,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:00:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1715 transitions. [2020-10-27 22:00:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 22:00:45,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:45,847 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:00:45,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:00:45,847 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-27 22:00:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:45,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1999413514, now seen corresponding path program 1 times [2020-10-27 22:00:45,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:45,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2085424019] [2020-10-27 22:00:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:00:45,908 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:00:45,908 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:00:45,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:00:45,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:00:45 BoogieIcfgContainer [2020-10-27 22:00:45,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:00:45,974 INFO L168 Benchmark]: Toolchain (without parser) took 77348.43 ms. Allocated memory was 158.3 MB in the beginning and 729.8 MB in the end (delta: 571.5 MB). Free memory was 132.9 MB in the beginning and 655.0 MB in the end (delta: -522.1 MB). Peak memory consumption was 50.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:45,975 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 158.3 MB. Free memory is still 131.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:00:45,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.10 ms. Allocated memory is still 158.3 MB. Free memory was 132.2 MB in the beginning and 111.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:45,984 INFO L168 Benchmark]: Boogie Preprocessor took 141.85 ms. Allocated memory is still 158.3 MB. Free memory was 111.6 MB in the beginning and 107.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:45,985 INFO L168 Benchmark]: RCFGBuilder took 1609.73 ms. Allocated memory is still 158.3 MB. Free memory was 107.5 MB in the beginning and 138.5 MB in the end (delta: -31.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:45,986 INFO L168 Benchmark]: TraceAbstraction took 74971.41 ms. Allocated memory was 158.3 MB in the beginning and 729.8 MB in the end (delta: 571.5 MB). Free memory was 138.5 MB in the beginning and 655.0 MB in the end (delta: -516.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:45,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 158.3 MB. Free memory is still 131.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 614.10 ms. Allocated memory is still 158.3 MB. Free memory was 132.2 MB in the beginning and 111.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 141.85 ms. Allocated memory is still 158.3 MB. Free memory was 111.6 MB in the beginning and 107.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1609.73 ms. Allocated memory is still 158.3 MB. Free memory was 107.5 MB in the beginning and 138.5 MB in the end (delta: -31.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 74971.41 ms. Allocated memory was 158.3 MB in the beginning and 729.8 MB in the end (delta: 571.5 MB). Free memory was 138.5 MB in the beginning and 655.0 MB in the end (delta: -516.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L695] int waterLevel = 1; [L696] int methaneLevelCritical = 0; [L853] int cleanupTimeShifts = 4; [L926] int retValue_acc ; [L927] int tmp ; [L931] FCALL select_helpers() [L932] FCALL select_features() [L933] CALL, EXPR valid_product() [L844] int retValue_acc ; [L847] retValue_acc = 1 [L848] return (retValue_acc); [L933] RET, EXPR valid_product() [L933] tmp = valid_product() [L935] COND TRUE \read(tmp) [L937] FCALL setup() [L938] CALL runTest() [L920] CALL test() [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) [L445] CALL waterRise() [L713] COND TRUE waterLevel < 2 [L714] waterLevel = waterLevel + 1 [L445] RET waterRise() [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L508] COND FALSE !(\read(pumpRunning)) [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L537] int tmp ; [L540] COND TRUE ! pumpRunning [L542] CALL, EXPR isHighWaterLevel() [L652] int retValue_acc ; [L653] int tmp ; [L654] int tmp___0 ; [L658] CALL, EXPR isHighWaterSensorDry() [L775] int retValue_acc ; [L778] COND FALSE !(waterLevel < 2) [L782] retValue_acc = 0 [L783] return (retValue_acc); [L658] RET, EXPR isHighWaterSensorDry() [L658] tmp = isHighWaterSensorDry() [L660] COND FALSE !(\read(tmp)) [L663] tmp___0 = 1 [L665] retValue_acc = tmp___0 [L666] return (retValue_acc); [L542] RET, EXPR isHighWaterLevel() [L542] tmp = isHighWaterLevel() [L544] COND TRUE \read(tmp) [L546] CALL activatePump() [L571] int tmp ; [L575] CALL, EXPR isMethaneAlarm() [L596] int retValue_acc ; [L600] CALL, EXPR isMethaneLevelCritical() [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L600] RET, EXPR isMethaneLevelCritical() [L600] retValue_acc = isMethaneLevelCritical() [L602] return (retValue_acc); [L575] RET, EXPR isMethaneAlarm() [L575] tmp = isMethaneAlarm() [L577] COND FALSE !(\read(tmp)) [L581] CALL activatePump__wrappee__highWaterSensor() [L565] pumpRunning = 1 [L581] RET activatePump__wrappee__highWaterSensor() [L546] RET activatePump() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification1_spec__1() [L790] int tmp ; [L791] int tmp___0 ; [L795] CALL, EXPR isMethaneLevelCritical() [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() [L795] tmp = isMethaneLevelCritical() [L797] COND FALSE !(\read(tmp)) [L523] RET __utac_acc__Specification1_spec__1() [L480] RET timeShift() [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND TRUE \read(tmp___0) [L455] CALL changeMethaneLevel() [L725] COND FALSE !(\read(methaneLevelCritical)) [L728] methaneLevelCritical = 1 [L455] RET changeMethaneLevel() [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L508] COND TRUE \read(pumpRunning) [L510] CALL lowerWaterLevel() [L701] COND TRUE waterLevel > 0 [L702] waterLevel = waterLevel - 1 [L510] RET lowerWaterLevel() [L515] COND TRUE \read(systemActive) [L517] CALL processEnvironment() [L537] int tmp ; [L540] COND FALSE !(! pumpRunning) [L555] FCALL processEnvironment__wrappee__base() [L517] RET processEnvironment() [L523] CALL __utac_acc__Specification1_spec__1() [L790] int tmp ; [L791] int tmp___0 ; [L795] CALL, EXPR isMethaneLevelCritical() [L734] int retValue_acc ; [L737] retValue_acc = methaneLevelCritical [L738] return (retValue_acc); [L795] RET, EXPR isMethaneLevelCritical() [L795] tmp = isMethaneLevelCritical() [L797] COND TRUE \read(tmp) [L799] CALL, EXPR isPumpRunning() [L607] int retValue_acc ; [L610] retValue_acc = pumpRunning [L611] return (retValue_acc); [L799] RET, EXPR isPumpRunning() [L799] tmp___0 = isPumpRunning() [L801] COND TRUE \read(tmp___0) [L803] CALL __automaton_fail() [L46] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product44.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 244 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 74.8s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 47.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 831 SDtfs, 2388 SDslu, 1434 SDs, 0 SdLazy, 7653 SolverSat, 1766 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1411occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 1033 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 25.6s InterpolantComputationTime, 717 NumberOfCodeBlocks, 717 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 576 ConstructedInterpolants, 0 QuantifiedInterpolants, 220514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 63/66 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 incorrect! Received shutdown request...