/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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:59:12,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:59:12,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:59:12,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:59:12,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:59:12,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:59:12,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:59:12,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:59:12,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:59:12,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:59:12,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:59:12,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:59:12,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:59:12,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:59:12,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:59:12,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:59:12,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:59:12,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:59:12,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:59:12,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:59:12,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:59:12,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:59:12,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:59:12,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:59:12,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:59:12,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:59:12,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:59:12,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:59:12,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:59:12,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:59:12,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:59:12,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:59:12,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:59:12,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:59:12,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:59:12,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:59:12,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:59:12,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:59:12,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:59:12,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:59:12,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:59:12,581 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 21:59:12,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:59:12,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:59:12,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:59:12,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:59:12,635 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:59:12,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:59:12,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:59:12,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:59:12,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:59:12,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:59:12,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:59:12,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:59:12,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:59:12,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:59:12,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:59:12,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:59:12,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:59:12,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:59:12,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:59:12,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:59:12,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:59:12,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:59:12,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:59:12,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:59:12,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:59:12,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:59:12,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:59:12,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:59:12,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:59:12,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:59:13,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:59:13,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:59:13,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:59:13,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:59:13,111 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:59:13,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-10-27 21:59:13,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0505387e9/7808366ef342442eb627850ccef77472/FLAGaeb10dfb3 [2020-10-27 21:59:13,870 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:59:13,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product43.cil.c [2020-10-27 21:59:13,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0505387e9/7808366ef342442eb627850ccef77472/FLAGaeb10dfb3 [2020-10-27 21:59:14,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0505387e9/7808366ef342442eb627850ccef77472 [2020-10-27 21:59:14,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:59:14,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:59:14,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:59:14,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:59:14,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:59:14,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f986d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14, skipping insertion in model container [2020-10-27 21:59:14,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:59:14,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:59:14,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:59:14,574 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:59:14,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:59:14,759 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:59:14,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14 WrapperNode [2020-10-27 21:59:14,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:59:14,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:59:14,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:59:14,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:59:14,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (1/1) ... [2020-10-27 21:59:14,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:59:14,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:59:14,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:59:14,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:59:14,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (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 21:59:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:59:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:59:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:59:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:59:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 21:59:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 21:59:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 21:59:14,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 21:59:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 21:59:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 21:59:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 21:59:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:59:14,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 21:59:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 21:59:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 21:59:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 21:59:14,963 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 21:59:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 21:59:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 21:59:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 21:59:14,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 21:59:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 21:59:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:59:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:59:14,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 21:59:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:59:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:59:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:59:14,966 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:59:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:59:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:59:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:59:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:59:14,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:59:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:59:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:59:14,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:59:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:59:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:59:14,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:59:14,969 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:59:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:59:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:59:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:59:14,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:59:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:59:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 21:59:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 21:59:14,971 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 21:59:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 21:59:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 21:59:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 21:59:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 21:59:14,972 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:59:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 21:59:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 21:59:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 21:59:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 21:59:14,973 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 21:59:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 21:59:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 21:59:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 21:59:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 21:59:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 21:59:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 21:59:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:59:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:59:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:59:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:59:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:59:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:59:14,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:59:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:59:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:59:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:59:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:59:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:59:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:59:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:59:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:59:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:59:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:59:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:59:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:59:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:59:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:59:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:59:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:59:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:59:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:59:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:59:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:59:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:59:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:59:16,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:59:16,289 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 21:59:16,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:59:16 BoogieIcfgContainer [2020-10-27 21:59:16,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:59:16,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:59:16,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:59:16,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:59:16,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:59:14" (1/3) ... [2020-10-27 21:59:16,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a04598f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:59:16, skipping insertion in model container [2020-10-27 21:59:16,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:59:14" (2/3) ... [2020-10-27 21:59:16,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a04598f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:59:16, skipping insertion in model container [2020-10-27 21:59:16,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:59:16" (3/3) ... [2020-10-27 21:59:16,301 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43.cil.c [2020-10-27 21:59:16,313 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:59:16,318 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:59:16,332 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:59:16,361 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:59:16,361 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:59:16,361 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:59:16,361 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:59:16,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:59:16,362 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:59:16,362 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:59:16,362 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:59:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-27 21:59:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 21:59:16,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:16,394 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 21:59:16,395 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 21:59:16,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:16,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1483329480, now seen corresponding path program 1 times [2020-10-27 21:59:16,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:16,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533315998] [2020-10-27 21:59:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:16,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:17,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:19,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:21,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:21,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 21:59:21,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:59:21,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 21:59:21,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 21:59:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 21:59:21,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 21:59:22,217 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:22,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:22,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:22,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:22,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:22,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:22,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 21:59:22,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:22,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:22,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:22,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:22,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:22,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:22,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:22,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:22,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:22,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:22,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:22,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:22,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:22,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:22,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:22,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:22,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:22,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:22,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:59:22,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:22,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:22,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:22,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:22,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:22,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:22,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:22,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:22,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:22,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:22,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:22,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:22,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:22,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:22,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:22,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:22,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:22,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 21:59:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:22,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:22,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:22,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:22,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:59:22,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:22,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:22,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 21:59:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:22,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:22,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:22,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:22,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:22,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:59:22,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:22,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:22,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:22,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:22,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:22,513 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 21:59:22,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533315998] [2020-10-27 21:59:22,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:59:22,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 21:59:22,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551960179] [2020-10-27 21:59:22,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 21:59:22,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:22,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 21:59:22,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 21:59:22,541 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 7 states. [2020-10-27 21:59:23,159 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:24,303 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:24,715 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:25,048 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:26,055 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:26,593 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:27,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:27,834 INFO L93 Difference]: Finished difference Result 384 states and 528 transitions. [2020-10-27 21:59:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 21:59:27,837 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 21:59:27,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:27,868 INFO L225 Difference]: With dead ends: 384 [2020-10-27 21:59:27,868 INFO L226 Difference]: Without dead ends: 232 [2020-10-27 21:59:27,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:59:27,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-27 21:59:28,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 197. [2020-10-27 21:59:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-27 21:59:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 247 transitions. [2020-10-27 21:59:28,092 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 247 transitions. Word has length 47 [2020-10-27 21:59:28,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:28,095 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 247 transitions. [2020-10-27 21:59:28,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 21:59:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2020-10-27 21:59:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-27 21:59:28,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:28,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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 21:59:28,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:59:28,116 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 21:59:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:28,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1931456909, now seen corresponding path program 1 times [2020-10-27 21:59:28,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:28,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71336455] [2020-10-27 21:59:28,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:28,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:28,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:28,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:30,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:31,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:31,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 21:59:33,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:59:33,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:59:33,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 21:59:33,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 21:59:33,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 21:59:33,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,616 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:33,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 21:59:33,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:33,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:33,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:33,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:33,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:33,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:33,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:33,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:33,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 21:59:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:59:33,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:33,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:59:33,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:33,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 21:59:33,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:33,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:33,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:33,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:33,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:33,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:33,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 21:59:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:33,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:33,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:33,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 21:59:33,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:59:33,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-27 21:59:33,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 21:59:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:59:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:59:34,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:34,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:59:34,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:59:34,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:59:34,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:34,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:34,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:34,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:34,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:34,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:34,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:59:34,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:59:34,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 21:59:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:34,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:59:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:59:34,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:34,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:34,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:34,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:34,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:34,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:34,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:34,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:34,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:34,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:34,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:34,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:34,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:34,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:34,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 21:59:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:34,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:34,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:34,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:34,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:34,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 21:59:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:34,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:34,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:34,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:34,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:34,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:34,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 21:59:34,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71336455] [2020-10-27 21:59:34,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:59:34,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 21:59:34,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674269003] [2020-10-27 21:59:34,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 21:59:34,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:34,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 21:59:34,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:59:34,281 INFO L87 Difference]: Start difference. First operand 197 states and 247 transitions. Second operand 13 states. [2020-10-27 21:59:35,021 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:36,170 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:36,707 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:37,152 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:37,700 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:38,128 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:38,574 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 21:59:39,102 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:39,557 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:40,009 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:40,643 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:41,097 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 21:59:41,590 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:42,020 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:44,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:44,258 INFO L93 Difference]: Finished difference Result 681 states and 1020 transitions. [2020-10-27 21:59:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 21:59:44,260 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 105 [2020-10-27 21:59:44,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:44,268 INFO L225 Difference]: With dead ends: 681 [2020-10-27 21:59:44,268 INFO L226 Difference]: Without dead ends: 464 [2020-10-27 21:59:44,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2020-10-27 21:59:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-27 21:59:44,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 352. [2020-10-27 21:59:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-10-27 21:59:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 436 transitions. [2020-10-27 21:59:44,379 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 436 transitions. Word has length 105 [2020-10-27 21:59:44,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:44,379 INFO L481 AbstractCegarLoop]: Abstraction has 352 states and 436 transitions. [2020-10-27 21:59:44,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 21:59:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 436 transitions. [2020-10-27 21:59:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 21:59:44,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:44,384 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] [2020-10-27 21:59:44,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:59:44,384 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 21:59:44,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:44,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1139525412, now seen corresponding path program 1 times [2020-10-27 21:59:44,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:44,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309414532] [2020-10-27 21:59:44,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:44,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:44,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:45,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 21:59:49,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:59:49,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4589 [2020-10-27 21:59:49,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 21:59:49,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 21:59:49,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 21:59:49,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,508 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:49,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 21:59:49,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:49,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:49,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:49,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:49,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 21:59:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:49,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:59:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 21:59:49,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:59:49,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-27 21:59:49,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 21:59:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:49,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:49,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:59:49,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:59:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:49,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:49,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:59:49,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:59:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:49,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:59:49,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:59:49,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:59:49,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 21:59:49,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:59:49,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:49,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:49,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:49,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 21:59:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:59:49,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:49,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 21:59:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:49,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:49,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:49,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:49,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:49,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:49,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:49,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:59:50,018 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 21:59:50,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309414532] [2020-10-27 21:59:50,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:59:50,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 21:59:50,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121969660] [2020-10-27 21:59:50,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 21:59:50,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:50,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 21:59:50,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-27 21:59:50,022 INFO L87 Difference]: Start difference. First operand 352 states and 436 transitions. Second operand 12 states. [2020-10-27 21:59:50,930 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:52,086 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:52,636 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:53,169 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:53,569 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:54,005 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 21:59:54,542 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:55,009 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:55,416 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:55,832 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:56,353 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:56,790 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:59,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:59,538 INFO L93 Difference]: Finished difference Result 814 states and 1128 transitions. [2020-10-27 21:59:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 21:59:59,539 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-10-27 21:59:59,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:59,545 INFO L225 Difference]: With dead ends: 814 [2020-10-27 21:59:59,545 INFO L226 Difference]: Without dead ends: 486 [2020-10-27 21:59:59,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2020-10-27 21:59:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-10-27 21:59:59,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 360. [2020-10-27 21:59:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-27 21:59:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 444 transitions. [2020-10-27 21:59:59,669 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 444 transitions. Word has length 94 [2020-10-27 21:59:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:59,670 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 444 transitions. [2020-10-27 21:59:59,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 21:59:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 444 transitions. [2020-10-27 21:59:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 21:59:59,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:59,674 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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, 1] [2020-10-27 21:59:59,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:59:59,674 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 21:59:59,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:59,675 INFO L82 PathProgramCache]: Analyzing trace with hash 484037151, now seen corresponding path program 1 times [2020-10-27 21:59:59,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:59,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758368778] [2020-10-27 21:59:59,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:59,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:59,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:59,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:59,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:00,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:00,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:01,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:04,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:04,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-27 22:00:04,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:00:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:00:04,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 22:00:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:00:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,125 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:05,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:00:05,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:05,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:05,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:05,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:05,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 22:00:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 22:00:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 22:00:05,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:05,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:05,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 22:00:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 22:00:05,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:05,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:05,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:05,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:05,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:00:05,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:05,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 22:00:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:05,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:00:05,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 22:00:05,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:05,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:05,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:05,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:05,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:05,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:05,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:05,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 22:00:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 22:00:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:05,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:05,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:05,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:05,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:05,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:05,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:05,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:05,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 22:00:05,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758368778] [2020-10-27 22:00:05,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:00:05,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 22:00:05,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823836704] [2020-10-27 22:00:05,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:00:05,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:05,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:00:05,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:00:05,391 INFO L87 Difference]: Start difference. First operand 360 states and 444 transitions. Second operand 7 states. [2020-10-27 22:00:06,415 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:09,739 INFO L93 Difference]: Finished difference Result 1193 states and 1709 transitions. [2020-10-27 22:00:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:00:09,747 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-10-27 22:00:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:09,754 INFO L225 Difference]: With dead ends: 1193 [2020-10-27 22:00:09,754 INFO L226 Difference]: Without dead ends: 597 [2020-10-27 22:00:09,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:00:09,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-10-27 22:00:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 419. [2020-10-27 22:00:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-10-27 22:00:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 514 transitions. [2020-10-27 22:00:09,869 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 514 transitions. Word has length 132 [2020-10-27 22:00:09,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:09,870 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 514 transitions. [2020-10-27 22:00:09,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:00:09,870 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 514 transitions. [2020-10-27 22:00:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 22:00:09,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:09,872 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] [2020-10-27 22:00:09,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:00:09,873 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 22:00:09,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:09,874 INFO L82 PathProgramCache]: Analyzing trace with hash -169944389, now seen corresponding path program 1 times [2020-10-27 22:00:09,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:09,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571407084] [2020-10-27 22:00:09,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:10,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:14,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:14,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 22:00:14,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 22:00:14,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:00:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 22:00:14,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:00:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,494 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:15,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:15,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:00:15,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:15,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:15,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:15,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:15,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:15,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:15,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:15,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:15,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 22:00:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:15,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:15,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:00:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:15,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:00:15,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:00:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 22:00:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:15,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:15,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:15,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:15,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:15,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 22:00:15,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:00:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:00:15,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:15,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:00:15,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:00:15,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:00:15,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:15,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:15,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:00:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:15,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:15,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:15,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 22:00:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:15,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:15,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:15,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:15,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 22:00:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:15,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:15,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:15,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:15,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:15,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:15,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:15,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:15,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:15,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:15,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:15,948 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 22:00:15,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571407084] [2020-10-27 22:00:15,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:00:15,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 22:00:15,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962911809] [2020-10-27 22:00:15,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:00:15,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:15,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:00:15,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:00:15,952 INFO L87 Difference]: Start difference. First operand 419 states and 514 transitions. Second operand 13 states. [2020-10-27 22:00:16,781 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:18,295 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:00:18,771 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:00:19,228 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:19,634 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:20,107 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:20,529 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:20,976 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:21,397 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:21,819 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:22,261 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:22,893 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:23,305 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:00:24,490 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:00:25,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:25,995 INFO L93 Difference]: Finished difference Result 1181 states and 1630 transitions. [2020-10-27 22:00:25,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 22:00:25,996 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-27 22:00:25,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:26,006 INFO L225 Difference]: With dead ends: 1181 [2020-10-27 22:00:26,006 INFO L226 Difference]: Without dead ends: 709 [2020-10-27 22:00:26,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2020-10-27 22:00:26,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2020-10-27 22:00:26,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 556. [2020-10-27 22:00:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-27 22:00:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 673 transitions. [2020-10-27 22:00:26,158 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 673 transitions. Word has length 94 [2020-10-27 22:00:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:26,159 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 673 transitions. [2020-10-27 22:00:26,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:00:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 673 transitions. [2020-10-27 22:00:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-27 22:00:26,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:26,165 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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 22:00:26,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:00:26,165 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 22:00:26,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:26,166 INFO L82 PathProgramCache]: Analyzing trace with hash -320866396, now seen corresponding path program 1 times [2020-10-27 22:00:26,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:26,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563271256] [2020-10-27 22:00:26,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:26,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:26,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:27,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:27,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-27 22:00:27,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:27,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1446 [2020-10-27 22:00:27,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 22:00:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 22:00:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,057 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:28,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 22:00:28,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:28,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:28,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:28,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:28,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:28,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:00:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:00:28,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:00:28,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:28,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:28,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 22:00:28,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:28,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:00:28,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:28,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:28,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:28,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:28,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:00:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:28,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:28,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:00:28,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 22:00:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 22:00:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:28,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:28,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:28,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:28,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 22:00:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:28,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 22:00:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:28,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:28,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:28,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:28,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:28,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:28,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 22:00:28,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563271256] [2020-10-27 22:00:28,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:00:28,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 22:00:28,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056807962] [2020-10-27 22:00:28,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:00:28,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:28,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:00:28,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:00:28,368 INFO L87 Difference]: Start difference. First operand 556 states and 673 transitions. Second operand 8 states. [2020-10-27 22:00:28,922 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:30,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:30,476 INFO L93 Difference]: Finished difference Result 784 states and 1067 transitions. [2020-10-27 22:00:30,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:00:30,477 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-27 22:00:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:30,487 INFO L225 Difference]: With dead ends: 784 [2020-10-27 22:00:30,488 INFO L226 Difference]: Without dead ends: 661 [2020-10-27 22:00:30,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:00:30,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-10-27 22:00:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 440. [2020-10-27 22:00:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-10-27 22:00:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 526 transitions. [2020-10-27 22:00:30,613 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 526 transitions. Word has length 121 [2020-10-27 22:00:30,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:30,615 INFO L481 AbstractCegarLoop]: Abstraction has 440 states and 526 transitions. [2020-10-27 22:00:30,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:00:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 526 transitions. [2020-10-27 22:00:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 22:00:30,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:30,620 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] [2020-10-27 22:00:30,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:00:30,620 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 22:00:30,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:30,621 INFO L82 PathProgramCache]: Analyzing trace with hash 174531865, now seen corresponding path program 1 times [2020-10-27 22:00:30,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:30,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619384139] [2020-10-27 22:00:30,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:30,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:32,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:33,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:33,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 22:00:33,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:00:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3190 [2020-10-27 22:00:33,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:00:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 22:00:33,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:00:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,300 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:34,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 22:00:34,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:34,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:34,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:34,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:34,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:34,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:00:34,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:00:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:00:34,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:00:34,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:00:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:34,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 22:00:34,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:00:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:34,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:34,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:00:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:34,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:34,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:34,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:00:34,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:00:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:34,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:00:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:34,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:34,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:34,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:00:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:34,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 22:00:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:34,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 22:00:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:34,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:00:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:00:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 22:00:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:00:34,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:00:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:34,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:34,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 22:00:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:34,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 22:00:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:34,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:34,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 22:00:34,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619384139] [2020-10-27 22:00:34,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:00:34,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:00:34,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175108308] [2020-10-27 22:00:34,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:00:34,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:34,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:00:34,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:00:34,682 INFO L87 Difference]: Start difference. First operand 440 states and 526 transitions. Second operand 9 states. [2020-10-27 22:00:36,004 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:38,338 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:40,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:40,237 INFO L93 Difference]: Finished difference Result 1548 states and 2123 transitions. [2020-10-27 22:00:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 22:00:40,238 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-10-27 22:00:40,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:40,249 INFO L225 Difference]: With dead ends: 1548 [2020-10-27 22:00:40,249 INFO L226 Difference]: Without dead ends: 1128 [2020-10-27 22:00:40,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:00:40,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2020-10-27 22:00:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 846. [2020-10-27 22:00:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2020-10-27 22:00:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1013 transitions. [2020-10-27 22:00:40,501 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1013 transitions. Word has length 129 [2020-10-27 22:00:40,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:40,503 INFO L481 AbstractCegarLoop]: Abstraction has 846 states and 1013 transitions. [2020-10-27 22:00:40,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:00:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1013 transitions. [2020-10-27 22:00:40,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 22:00:40,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:40,507 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] [2020-10-27 22:00:40,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:00:40,507 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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 22:00:40,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:40,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1211671529, now seen corresponding path program 1 times [2020-10-27 22:00:40,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:40,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519843004] [2020-10-27 22:00:40,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:40,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 22:00:41,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-27 22:00:41,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:00:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 22:00:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,483 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:00:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:00:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 22:00:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:00:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:00:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:41,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:00:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:41,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:00:41,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:00:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:41,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:41,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:00:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:00:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 22:00:41,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:00:41,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:00:41,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 22:00:41,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 22:00:41,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 22:00:41,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:00:41,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:00:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:00:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:00:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:00:41,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:00:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:00:41,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:00:41,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:00:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:00:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 22:00:41,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:00:41,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:00:41,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:00:41,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:41,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:00:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:41,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 22:00:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 22:00:41,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:00:41,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:00:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:00:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:00:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 22:00:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 22:00:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:41,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 22:00:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 22:00:41,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:00:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:00:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:00:41,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:00:41,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:00:41,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 22:00:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:41,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 22:00:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:00:41,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:00:41,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:00:41,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:00:41,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:00:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:00:41,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:00:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:00:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:00:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:00:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:00:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 22:00:41,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519843004] [2020-10-27 22:00:41,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:00:41,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 22:00:41,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069409190] [2020-10-27 22:00:41,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 22:00:41,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:00:41,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 22:00:41,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 22:00:41,985 INFO L87 Difference]: Start difference. First operand 846 states and 1013 transitions. Second operand 11 states. [2020-10-27 22:00:42,637 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:00:43,791 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 204 [2020-10-27 22:00:46,241 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:00:47,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:00:47,852 INFO L93 Difference]: Finished difference Result 1974 states and 2454 transitions. [2020-10-27 22:00:47,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 22:00:47,853 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 129 [2020-10-27 22:00:47,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:00:47,861 INFO L225 Difference]: With dead ends: 1974 [2020-10-27 22:00:47,861 INFO L226 Difference]: Without dead ends: 1152 [2020-10-27 22:00:47,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2020-10-27 22:00:47,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2020-10-27 22:00:48,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 995. [2020-10-27 22:00:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-10-27 22:00:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1180 transitions. [2020-10-27 22:00:48,117 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1180 transitions. Word has length 129 [2020-10-27 22:00:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:00:48,117 INFO L481 AbstractCegarLoop]: Abstraction has 995 states and 1180 transitions. [2020-10-27 22:00:48,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 22:00:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1180 transitions. [2020-10-27 22:00:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 22:00:48,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:00:48,121 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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 22:00:48,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:00:48,122 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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 22:00:48,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:00:48,122 INFO L82 PathProgramCache]: Analyzing trace with hash -965567811, now seen corresponding path program 1 times [2020-10-27 22:00:48,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:00:48,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85888935] [2020-10-27 22:00:48,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:00:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:00:48,168 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:00:48,168 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:00:48,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:00:48,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:00:48 BoogieIcfgContainer [2020-10-27 22:00:48,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:00:48,209 INFO L168 Benchmark]: Toolchain (without parser) took 94033.62 ms. Allocated memory was 154.1 MB in the beginning and 704.6 MB in the end (delta: 550.5 MB). Free memory was 135.0 MB in the beginning and 382.5 MB in the end (delta: -247.5 MB). Peak memory consumption was 303.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:48,212 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 154.1 MB. Free memory was 126.6 MB in the beginning and 126.5 MB in the end (delta: 74.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:00:48,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.52 ms. Allocated memory is still 154.1 MB. Free memory was 134.4 MB in the beginning and 130.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:48,216 INFO L168 Benchmark]: Boogie Preprocessor took 104.73 ms. Allocated memory is still 154.1 MB. Free memory was 130.7 MB in the beginning and 126.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:48,217 INFO L168 Benchmark]: RCFGBuilder took 1424.96 ms. Allocated memory is still 154.1 MB. Free memory was 126.8 MB in the beginning and 95.8 MB in the end (delta: 31.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:48,218 INFO L168 Benchmark]: TraceAbstraction took 91912.97 ms. Allocated memory was 154.1 MB in the beginning and 704.6 MB in the end (delta: 550.5 MB). Free memory was 95.3 MB in the beginning and 382.5 MB in the end (delta: -287.2 MB). Peak memory consumption was 263.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:00:48,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 154.1 MB. Free memory was 126.6 MB in the beginning and 126.5 MB in the end (delta: 74.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 572.52 ms. Allocated memory is still 154.1 MB. Free memory was 134.4 MB in the beginning and 130.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 104.73 ms. Allocated memory is still 154.1 MB. Free memory was 130.7 MB in the beginning and 126.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1424.96 ms. Allocated memory is still 154.1 MB. Free memory was 126.8 MB in the beginning and 95.8 MB in the end (delta: 31.0 MB). Peak memory consumption was 50.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 91912.97 ms. Allocated memory was 154.1 MB in the beginning and 704.6 MB in the end (delta: 550.5 MB). Free memory was 95.3 MB in the beginning and 382.5 MB in the end (delta: -287.2 MB). Peak memory consumption was 263.2 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: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L149] int pumpRunning = 0; [L150] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L706] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L519] FCALL select_helpers() [L520] FCALL select_features() [L521] CALL, EXPR valid_product() [L929] int retValue_acc ; [L932] retValue_acc = 1 [L933] return (retValue_acc); [L521] RET, EXPR valid_product() [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L525] FCALL setup() [L526] CALL runTest() [L505] CALL test() [L337] int splverifierCounter ; [L338] int tmp ; [L339] int tmp___0 ; [L340] int tmp___1 ; [L341] int tmp___2 ; [L344] splverifierCounter = 0 [L346] COND TRUE 1 [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND TRUE \read(tmp) [L358] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L358] RET waterRise() [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND FALSE !(\read(tmp___0)) [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) [L391] CALL timeShift() [L157] COND FALSE !(\read(pumpRunning)) [L164] COND TRUE \read(systemActive) [L166] CALL processEnvironment() [L186] int tmp ; [L189] COND TRUE ! pumpRunning [L191] CALL, EXPR isHighWaterLevel() [L301] int retValue_acc ; [L302] int tmp ; [L303] int tmp___0 ; [L307] CALL, EXPR isHighWaterSensorDry() [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L307] RET, EXPR isHighWaterSensorDry() [L307] tmp = isHighWaterSensorDry() [L309] COND FALSE !(\read(tmp)) [L312] tmp___0 = 1 [L314] retValue_acc = tmp___0 [L315] return (retValue_acc); [L191] RET, EXPR isHighWaterLevel() [L191] tmp = isHighWaterLevel() [L193] COND TRUE \read(tmp) [L195] CALL activatePump() [L220] int tmp ; [L224] CALL, EXPR isMethaneAlarm() [L245] int retValue_acc ; [L249] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L249] RET, EXPR isMethaneLevelCritical() [L249] retValue_acc = isMethaneLevelCritical() [L251] return (retValue_acc); [L224] RET, EXPR isMethaneAlarm() [L224] tmp = isMethaneAlarm() [L226] COND FALSE !(\read(tmp)) [L230] CALL activatePump__wrappee__highWaterSensor() [L214] pumpRunning = 1 [L230] RET activatePump__wrappee__highWaterSensor() [L195] RET activatePump() [L166] RET processEnvironment() [L172] CALL __utac_acc__Specification1_spec__1() [L413] int tmp ; [L414] int tmp___0 ; [L418] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() [L418] tmp = isMethaneLevelCritical() [L420] COND FALSE !(\read(tmp)) [L172] RET __utac_acc__Specification1_spec__1() [L391] RET timeShift() [L346] COND TRUE 1 [L348] COND TRUE splverifierCounter < 4 [L354] tmp = __VERIFIER_nondet_int() [L356] COND FALSE !(\read(tmp)) [L364] tmp___0 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___0) [L368] CALL changeMethaneLevel() [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L368] RET changeMethaneLevel() [L374] tmp___2 = __VERIFIER_nondet_int() [L376] COND TRUE \read(tmp___2) [L391] CALL timeShift() [L157] COND TRUE \read(pumpRunning) [L159] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L159] RET lowerWaterLevel() [L164] COND TRUE \read(systemActive) [L166] CALL processEnvironment() [L186] int tmp ; [L189] COND FALSE !(! pumpRunning) [L204] FCALL processEnvironment__wrappee__base() [L166] RET processEnvironment() [L172] CALL __utac_acc__Specification1_spec__1() [L413] int tmp ; [L414] int tmp___0 ; [L418] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L418] RET, EXPR isMethaneLevelCritical() [L418] tmp = isMethaneLevelCritical() [L420] COND TRUE \read(tmp) [L422] CALL, EXPR isPumpRunning() [L256] int retValue_acc ; [L259] retValue_acc = pumpRunning [L260] return (retValue_acc); [L422] RET, EXPR isPumpRunning() [L422] tmp___0 = isPumpRunning() [L424] COND TRUE \read(tmp___0) [L426] CALL __automaton_fail() [L407] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product43.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 91.8s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 52.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1104 SDtfs, 2983 SDslu, 1615 SDs, 0 SdLazy, 8245 SolverSat, 2159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 471 GetRequests, 307 SyntacticMatches, 7 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=995occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1264 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 36.6s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 843 ConstructedInterpolants, 0 QuantifiedInterpolants, 324494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 143/152 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...