/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:31:43,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:31:43,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:31:43,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:31:43,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:31:43,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:31:43,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:31:43,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:31:43,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:31:43,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:31:43,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:31:43,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:31:43,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:31:43,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:31:43,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:31:43,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:31:43,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:31:43,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:31:43,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:31:43,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:31:43,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:31:43,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:31:43,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:31:43,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:31:43,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:31:43,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:31:43,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:31:43,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:31:43,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:31:43,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:31:43,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:31:43,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:31:43,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:31:43,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:31:43,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:31:43,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:31:43,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:31:43,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:31:43,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:31:43,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:31:43,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:31:43,747 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 [2020-10-29 11:31:43,799 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:31:43,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:31:43,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:31:43,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:31:43,804 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:31:43,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:31:43,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:31:43,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:31:43,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:31:43,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:31:43,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:31:43,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:31:43,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:31:43,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:31:43,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:31:43,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:31:43,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:31:43,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:31:43,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:31:43,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:31:43,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:31:43,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:31:43,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:31:43,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:31:43,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:31:43,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:31:43,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:31:43,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:31:43,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:31:43,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:31:44,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:31:44,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:31:44,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:31:44,307 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:31:44,311 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:31:44,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-10-29 11:31:44,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c02c4974/2faebedfcb8445b9b6bc9ea5f1a4a1e5/FLAGb7f72cb67 [2020-10-29 11:31:45,190 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:31:45,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-10-29 11:31:45,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c02c4974/2faebedfcb8445b9b6bc9ea5f1a4a1e5/FLAGb7f72cb67 [2020-10-29 11:31:45,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c02c4974/2faebedfcb8445b9b6bc9ea5f1a4a1e5 [2020-10-29 11:31:45,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:31:45,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:31:45,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:31:45,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:31:45,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:31:45,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:31:45" (1/1) ... [2020-10-29 11:31:45,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60892c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:45, skipping insertion in model container [2020-10-29 11:31:45,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:31:45" (1/1) ... [2020-10-29 11:31:45,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:31:45,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:31:45,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:31:45,984 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:31:46,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:31:46,131 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:31:46,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46 WrapperNode [2020-10-29 11:31:46,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:31:46,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:31:46,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:31:46,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:31:46,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (1/1) ... [2020-10-29 11:31:46,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (1/1) ... [2020-10-29 11:31:46,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (1/1) ... [2020-10-29 11:31:46,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (1/1) ... [2020-10-29 11:31:46,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (1/1) ... [2020-10-29 11:31:46,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (1/1) ... [2020-10-29 11:31:46,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (1/1) ... [2020-10-29 11:31:46,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:31:46,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:31:46,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:31:46,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:31:46,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (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 [2020-10-29 11:31:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:31:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:31:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:31:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:31:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:31:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:31:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:31:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:31:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:31:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:31:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:31:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:31:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:31:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:31:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:31:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:31:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:31:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:31:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:31:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:31:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:31:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:31:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:31:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:31:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:31:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:31:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:31:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:31:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:31:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:31:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:31:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:31:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:31:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:31:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:31:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:31:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:31:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:31:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:31:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:31:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:31:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:31:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:31:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:31:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:31:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:31:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:31:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:31:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:31:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:31:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:31:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:31:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:31:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:31:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:31:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:31:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:31:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:31:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:31:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:31:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:31:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:31:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:31:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:31:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:31:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:31:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:31:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:31:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:31:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:31:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:31:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:31:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:31:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:31:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:31:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:31:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:31:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:31:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:31:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:31:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:31:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:31:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:31:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:31:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:31:46,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:31:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:31:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:31:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:31:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:31:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:31:46,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:31:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:31:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:31:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:31:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:31:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:31:46,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:31:47,835 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:31:47,835 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:31:47,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:31:47 BoogieIcfgContainer [2020-10-29 11:31:47,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:31:47,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:31:47,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:31:47,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:31:47,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:31:45" (1/3) ... [2020-10-29 11:31:47,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c88543d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:31:47, skipping insertion in model container [2020-10-29 11:31:47,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:31:46" (2/3) ... [2020-10-29 11:31:47,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c88543d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:31:47, skipping insertion in model container [2020-10-29 11:31:47,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:31:47" (3/3) ... [2020-10-29 11:31:47,847 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-10-29 11:31:47,859 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:31:47,865 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:31:47,878 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:31:47,908 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:31:47,908 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:31:47,908 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:31:47,908 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:31:47,909 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:31:47,909 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:31:47,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:31:47,909 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:31:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-10-29 11:31:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:31:47,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:47,945 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, 1, 1, 1, 1, 1] [2020-10-29 11:31:47,945 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]=== [2020-10-29 11:31:47,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1051937330, now seen corresponding path program 1 times [2020-10-29 11:31:47,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:47,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953698211] [2020-10-29 11:31:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:48,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:48,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:49,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:53,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:53,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 11:31:53,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:31:53,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 11:31:53,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:53,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:53,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:53,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:31:53,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-29 11:31:54,031 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:54,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:54,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 11:31:54,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:54,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:54,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:31:54,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:54,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:54,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:54,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:54,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:54,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:54,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:54,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:54,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:54,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:54,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:54,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:54,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:54,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:54,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:54,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:54,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:54,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:54,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:54,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:54,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:54,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:54,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:54,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:54,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:31:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:54,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:54,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:54,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:54,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:54,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:31:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:54,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:54,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:31:54,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953698211] [2020-10-29 11:31:54,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:31:54,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 11:31:54,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179786729] [2020-10-29 11:31:54,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 11:31:54,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:54,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 11:31:54,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:31:54,325 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 5 states. [2020-10-29 11:31:55,150 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:57,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:57,252 INFO L93 Difference]: Finished difference Result 301 states and 391 transitions. [2020-10-29 11:31:57,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 11:31:57,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-29 11:31:57,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:57,277 INFO L225 Difference]: With dead ends: 301 [2020-10-29 11:31:57,280 INFO L226 Difference]: Without dead ends: 165 [2020-10-29 11:31:57,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:31:57,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-29 11:31:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 134. [2020-10-29 11:31:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-29 11:31:57,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2020-10-29 11:31:57,449 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 52 [2020-10-29 11:31:57,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:57,449 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2020-10-29 11:31:57,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 11:31:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2020-10-29 11:31:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-29 11:31:57,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:57,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:31:57,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:31:57,455 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]=== [2020-10-29 11:31:57,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:57,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1490061097, now seen corresponding path program 1 times [2020-10-29 11:31:57,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:57,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656166078] [2020-10-29 11:31:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:57,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:02,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:02,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-29 11:32:02,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:32:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 11:32:02,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:02,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:02,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:32:02,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:02,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 11:32:02,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:03,372 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:03,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 11:32:03,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:32:03,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:03,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:03,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:03,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:03,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:03,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:03,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:03,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:03,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:03,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:03,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:03,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:03,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:03,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:03,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:03,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:03,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:03,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:03,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:03,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:32:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:32:03,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:32:03,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:32:03,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:03,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:32:03,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:03,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:32:03,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:03,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:03,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:03,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:03,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:03,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:03,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:03,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:03,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:32:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:03,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:03,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:32:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:03,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:03,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 11:32:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:03,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:03,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:03,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:03,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:03,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:03,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:03,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:03,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:03,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:03,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:32:03,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656166078] [2020-10-29 11:32:03,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:32:03,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:32:03,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437386764] [2020-10-29 11:32:03,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:32:03,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:03,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:32:03,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:32:03,773 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 9 states. [2020-10-29 11:32:04,839 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:08,475 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-29 11:32:09,570 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:32:10,459 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:32:11,768 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:32:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:14,439 INFO L93 Difference]: Finished difference Result 427 states and 568 transitions. [2020-10-29 11:32:14,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 11:32:14,441 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-10-29 11:32:14,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:14,447 INFO L225 Difference]: With dead ends: 427 [2020-10-29 11:32:14,447 INFO L226 Difference]: Without dead ends: 304 [2020-10-29 11:32:14,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-10-29 11:32:14,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-29 11:32:14,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 220. [2020-10-29 11:32:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-29 11:32:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 259 transitions. [2020-10-29 11:32:14,568 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 259 transitions. Word has length 66 [2020-10-29 11:32:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:14,569 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 259 transitions. [2020-10-29 11:32:14,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:32:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 259 transitions. [2020-10-29 11:32:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-29 11:32:14,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:14,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:14,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:32:14,577 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]=== [2020-10-29 11:32:14,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:14,578 INFO L82 PathProgramCache]: Analyzing trace with hash -490352493, now seen corresponding path program 1 times [2020-10-29 11:32:14,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:14,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078387760] [2020-10-29 11:32:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:14,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:14,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:15,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:16,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:16,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:16,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:19,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:19,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 11:32:19,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 11:32:19,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 11:32:19,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:19,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:32:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 11:32:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:32:20,386 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:20,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:20,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 11:32:20,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:32:20,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:20,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:20,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:20,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:20,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:20,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:20,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:20,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:20,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:20,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:32:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:20,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:20,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:32:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:32:20,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:32:20,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:32:20,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:32:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:32:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:32:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:32:20,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:32:20,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:32:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:32:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:32:20,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:20,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:20,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:32:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:20,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 11:32:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:20,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:20,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 11:32:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:20,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:20,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:20,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:20,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:20,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:20,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:20,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:20,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:32:20,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078387760] [2020-10-29 11:32:20,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:32:20,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:32:20,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437320205] [2020-10-29 11:32:20,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:32:20,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:20,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:32:20,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:32:20,823 INFO L87 Difference]: Start difference. First operand 220 states and 259 transitions. Second operand 9 states. [2020-10-29 11:32:21,808 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:24,757 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:32:27,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:27,690 INFO L93 Difference]: Finished difference Result 696 states and 924 transitions. [2020-10-29 11:32:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 11:32:27,691 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2020-10-29 11:32:27,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:27,697 INFO L225 Difference]: With dead ends: 696 [2020-10-29 11:32:27,697 INFO L226 Difference]: Without dead ends: 504 [2020-10-29 11:32:27,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2020-10-29 11:32:27,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-29 11:32:27,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 378. [2020-10-29 11:32:27,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-10-29 11:32:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 446 transitions. [2020-10-29 11:32:27,809 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 446 transitions. Word has length 74 [2020-10-29 11:32:27,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:27,810 INFO L481 AbstractCegarLoop]: Abstraction has 378 states and 446 transitions. [2020-10-29 11:32:27,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:32:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 446 transitions. [2020-10-29 11:32:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-29 11:32:27,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:27,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:27,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:32:27,813 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]=== [2020-10-29 11:32:27,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:27,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1934771186, now seen corresponding path program 1 times [2020-10-29 11:32:27,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:27,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110006448] [2020-10-29 11:32:27,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:27,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:28,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:28,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:28,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:29,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-29 11:32:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:32:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 11:32:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:32,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:32:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 11:32:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 11:32:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,676 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:33,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:33,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 11:32:33,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:33,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:33,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:33,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:33,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:33,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:33,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:33,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:33,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:33,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:32:33,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:32:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:33,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:33,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:32:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 11:32:33,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:32:33,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:33,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 11:32:33,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:32:33,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:33,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:32:33,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:32:33,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:33,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:32:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:33,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:33,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:33,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:33,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 11:32:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:33,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:33,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 11:32:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:33,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:33,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:33,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:33,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:33,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:33,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:33,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:33,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:32:33,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110006448] [2020-10-29 11:32:33,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:32:33,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 11:32:33,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68224141] [2020-10-29 11:32:33,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 11:32:33,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:33,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 11:32:33,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:32:33,914 INFO L87 Difference]: Start difference. First operand 378 states and 446 transitions. Second operand 7 states. [2020-10-29 11:32:34,896 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:32:41,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:41,600 INFO L93 Difference]: Finished difference Result 961 states and 1334 transitions. [2020-10-29 11:32:41,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 11:32:41,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-10-29 11:32:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:41,611 INFO L225 Difference]: With dead ends: 961 [2020-10-29 11:32:41,611 INFO L226 Difference]: Without dead ends: 957 [2020-10-29 11:32:41,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:32:41,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2020-10-29 11:32:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 592. [2020-10-29 11:32:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-29 11:32:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 745 transitions. [2020-10-29 11:32:41,831 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 745 transitions. Word has length 88 [2020-10-29 11:32:41,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:41,832 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 745 transitions. [2020-10-29 11:32:41,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 11:32:41,832 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 745 transitions. [2020-10-29 11:32:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-29 11:32:41,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:41,838 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:41,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:32:41,838 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]=== [2020-10-29 11:32:41,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:41,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1891076690, now seen corresponding path program 1 times [2020-10-29 11:32:41,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:41,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326132992] [2020-10-29 11:32:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:42,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:42,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:42,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:42,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:42,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:42,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:42,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:43,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:46,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 11:32:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,670 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:47,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:47,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 11:32:47,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:47,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:47,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:47,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:47,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:47,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:47,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:47,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:47,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:47,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:47,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:47,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:32:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:47,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:47,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:32:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-29 11:32:47,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:32:47,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-29 11:32:47,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 11:32:47,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 11:32:47,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:47,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:47,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:47,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:32:47,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:47,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:47,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:47,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:47,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:47,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:47,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:47,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:47,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:32:48,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 11:32:48,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:32:48,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:48,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:32:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:48,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:48,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-29 11:32:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:32:48,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:48,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:48,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:48,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:32:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:48,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:48,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 11:32:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 11:32:48,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:32:48,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-29 11:32:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:32:48,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:48,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:32:48,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:48,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:32:48,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:48,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:32:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:48,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:48,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 11:32:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:48,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:48,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 11:32:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:48,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:48,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:48,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:48,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:48,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:48,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:48,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:48,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-29 11:32:48,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326132992] [2020-10-29 11:32:48,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:32:48,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:32:48,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695406600] [2020-10-29 11:32:48,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:32:48,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:48,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:32:48,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:32:48,122 INFO L87 Difference]: Start difference. First operand 592 states and 745 transitions. Second operand 8 states. [2020-10-29 11:32:49,489 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:32:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:32:51,637 INFO L93 Difference]: Finished difference Result 1006 states and 1284 transitions. [2020-10-29 11:32:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:32:51,638 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-10-29 11:32:51,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:32:51,645 INFO L225 Difference]: With dead ends: 1006 [2020-10-29 11:32:51,645 INFO L226 Difference]: Without dead ends: 668 [2020-10-29 11:32:51,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:32:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2020-10-29 11:32:51,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 542. [2020-10-29 11:32:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-10-29 11:32:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 635 transitions. [2020-10-29 11:32:51,783 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 635 transitions. Word has length 141 [2020-10-29 11:32:51,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:32:51,783 INFO L481 AbstractCegarLoop]: Abstraction has 542 states and 635 transitions. [2020-10-29 11:32:51,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:32:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 635 transitions. [2020-10-29 11:32:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-29 11:32:51,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:32:51,788 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:32:51,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:32:51,788 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]=== [2020-10-29 11:32:51,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:32:51,789 INFO L82 PathProgramCache]: Analyzing trace with hash 838611258, now seen corresponding path program 1 times [2020-10-29 11:32:51,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:32:51,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956877597] [2020-10-29 11:32:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:32:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:51,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:52,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:56,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 11:32:56,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:32:56,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4292 [2020-10-29 11:32:56,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:56,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:32:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-10-29 11:32:56,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:32:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:56,902 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:32:56,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:32:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:56,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:56,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:56,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:56,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:32:56,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:56,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:56,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:56,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:56,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:56,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:32:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:56,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:56,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:32:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:56,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:56,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:56,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:32:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:56,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:56,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:56,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:56,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:56,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:56,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:56,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:56,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:32:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:56,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:56,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:32:56,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:56,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:56,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:32:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:56,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:32:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:57,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:32:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:32:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:32:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 11:32:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:32:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:32:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:32:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:32:57,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:32:57,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:32:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 11:32:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:32:57,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:32:57,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:32:57,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:32:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:32:57,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:32:57,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:32:57,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:32:57,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:32:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:32:57,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:32:57,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:57,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:57,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:32:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:57,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:32:57,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:32:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:32:57,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:32:57,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 11:32:57,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:32:57,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:32:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:57,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 11:32:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:57,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 11:32:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:32:57,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:32:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 11:32:57,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 11:32:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:32:57,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:32:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:32:57,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:32:57,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:32:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:32:57,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:32:57,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:32:57,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:32:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:32:57,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:57,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:32:57,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 11:32:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:32:57,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:32:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-29 11:32:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:32:57,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:32:57,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:32:57,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:32:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:32:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:32:57,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:32:57,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:32:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:32:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:32:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:32:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:32:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-29 11:32:57,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956877597] [2020-10-29 11:32:57,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:32:57,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-29 11:32:57,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577106744] [2020-10-29 11:32:57,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-29 11:32:57,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:32:57,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-29 11:32:57,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:32:57,598 INFO L87 Difference]: Start difference. First operand 542 states and 635 transitions. Second operand 16 states. [2020-10-29 11:32:59,297 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:33:01,533 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:33:02,424 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:33:03,353 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:04,246 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:06,125 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:06,971 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:33:07,852 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:33:08,862 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:33:13,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:13,783 INFO L93 Difference]: Finished difference Result 1303 states and 1750 transitions. [2020-10-29 11:33:13,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 11:33:13,785 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 145 [2020-10-29 11:33:13,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:13,791 INFO L225 Difference]: With dead ends: 1303 [2020-10-29 11:33:13,792 INFO L226 Difference]: Without dead ends: 789 [2020-10-29 11:33:13,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=435, Invalid=1457, Unknown=0, NotChecked=0, Total=1892 [2020-10-29 11:33:13,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-29 11:33:13,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 523. [2020-10-29 11:33:13,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-10-29 11:33:13,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 596 transitions. [2020-10-29 11:33:13,928 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 596 transitions. Word has length 145 [2020-10-29 11:33:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:13,929 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 596 transitions. [2020-10-29 11:33:13,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-29 11:33:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 596 transitions. [2020-10-29 11:33:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-29 11:33:13,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:13,933 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:13,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:33:13,933 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]=== [2020-10-29 11:33:13,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:13,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1541716564, now seen corresponding path program 1 times [2020-10-29 11:33:13,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:13,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547853352] [2020-10-29 11:33:13,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:13,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:14,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:14,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:14,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:14,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:15,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:16,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:18,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:18,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-29 11:33:18,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 11:33:18,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 11:33:18,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:18,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-29 11:33:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 11:33:18,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,769 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:19,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:19,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:19,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:33:19,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:19,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:19,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:19,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:19,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:19,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:19,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:19,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:19,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:19,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:19,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:19,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:19,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:19,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:19,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:19,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:19,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:19,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:19,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:19,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:19,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:33:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:19,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:19,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:19,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:19,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:19,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:33:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:19,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:33:19,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 11:33:19,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:19,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 11:33:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:19,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:19,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:19,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:20,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 11:33:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 11:33:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:20,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 11:33:20,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:33:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:20,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:33:20,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:33:20,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:20,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:20,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:33:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:20,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:20,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:20,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:33:20,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:33:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:33:20,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:33:20,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:20,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:33:20,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:20,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:20,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:20,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:33:20,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:33:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:20,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:20,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:20,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-29 11:33:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:20,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:33:20,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:33:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:20,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:20,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:33:20,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:20,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:33:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:20,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 11:33:20,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:20,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:33:20,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:20,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:33:20,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:20,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:20,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:20,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:33:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:20,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:20,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:20,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:20,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:20,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:20,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-29 11:33:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:20,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:20,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:20,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:33:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:20,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:20,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:20,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:20,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:20,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:20,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:20,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:20,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-29 11:33:20,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547853352] [2020-10-29 11:33:20,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:33:20,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 11:33:20,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183700774] [2020-10-29 11:33:20,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:33:20,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:20,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:33:20,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:33:20,345 INFO L87 Difference]: Start difference. First operand 523 states and 596 transitions. Second operand 11 states. [2020-10-29 11:33:22,753 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:33:23,608 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:33:24,430 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:33:25,698 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:28,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:28,252 INFO L93 Difference]: Finished difference Result 1086 states and 1348 transitions. [2020-10-29 11:33:28,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 11:33:28,253 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-29 11:33:28,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:28,258 INFO L225 Difference]: With dead ends: 1086 [2020-10-29 11:33:28,258 INFO L226 Difference]: Without dead ends: 591 [2020-10-29 11:33:28,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2020-10-29 11:33:28,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-10-29 11:33:28,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 473. [2020-10-29 11:33:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-29 11:33:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 530 transitions. [2020-10-29 11:33:28,386 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 530 transitions. Word has length 147 [2020-10-29 11:33:28,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:28,386 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 530 transitions. [2020-10-29 11:33:28,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:33:28,387 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 530 transitions. [2020-10-29 11:33:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-29 11:33:28,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:28,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:28,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:33:28,390 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]=== [2020-10-29 11:33:28,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:28,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1198429827, now seen corresponding path program 1 times [2020-10-29 11:33:28,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:28,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752637619] [2020-10-29 11:33:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:28,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:28,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:33,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:33,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-29 11:33:33,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 11:33:33,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:33,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:33:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 11:33:33,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,251 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 11:33:34,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:33:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:34,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:34,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:34,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 11:33:34,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:34,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:33:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:34,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:34,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:33:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:33:34,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 11:33:34,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:33:34,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:33:34,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:34,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 11:33:34,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:33:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:33:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:34,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:33:34,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 11:33:34,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:33:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:34,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:34,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:33:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:34,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:33:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:33:34,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:34,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:33:34,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:33:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 11:33:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:34,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-29 11:33:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:33:34,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:33:34,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-29 11:33:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:33:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:33:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:34,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:34,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-29 11:33:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-29 11:33:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:34,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:34,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:34,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:34,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:34,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:34,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:34,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 11:33:34,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752637619] [2020-10-29 11:33:34,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:33:34,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:33:34,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240614302] [2020-10-29 11:33:34,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:33:34,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:34,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:33:34,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:33:34,822 INFO L87 Difference]: Start difference. First operand 473 states and 530 transitions. Second operand 12 states. [2020-10-29 11:33:35,882 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:38,173 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-29 11:33:43,348 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:33:46,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:33:46,131 INFO L93 Difference]: Finished difference Result 1589 states and 1967 transitions. [2020-10-29 11:33:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-29 11:33:46,132 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2020-10-29 11:33:46,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:33:46,140 INFO L225 Difference]: With dead ends: 1589 [2020-10-29 11:33:46,140 INFO L226 Difference]: Without dead ends: 1144 [2020-10-29 11:33:46,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=316, Invalid=1166, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 11:33:46,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2020-10-29 11:33:46,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1003. [2020-10-29 11:33:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2020-10-29 11:33:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1150 transitions. [2020-10-29 11:33:46,390 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1150 transitions. Word has length 149 [2020-10-29 11:33:46,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:33:46,391 INFO L481 AbstractCegarLoop]: Abstraction has 1003 states and 1150 transitions. [2020-10-29 11:33:46,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:33:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1150 transitions. [2020-10-29 11:33:46,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 11:33:46,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:33:46,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:33:46,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:33:46,395 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]=== [2020-10-29 11:33:46,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:33:46,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1431519703, now seen corresponding path program 1 times [2020-10-29 11:33:46,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:33:46,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701751747] [2020-10-29 11:33:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:33:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:46,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:49,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:49,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-29 11:33:49,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2639 [2020-10-29 11:33:49,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:49,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:33:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-29 11:33:49,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:49,919 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:33:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:33:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:49,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:49,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:49,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:49,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 11:33:50,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:33:50,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:33:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:33:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:50,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:33:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:50,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:50,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:33:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:50,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:33:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:33:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:50,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:33:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:33:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:33:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:33:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:50,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:33:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 11:33:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:33:50,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:33:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:33:50,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:33:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:33:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:33:50,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:33:50,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:33:50,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 11:33:50,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:33:50,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:50,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:33:50,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:50,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:33:50,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:33:50,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:33:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:33:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:33:50,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:33:50,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:33:50,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:33:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 11:33:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:50,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:33:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:33:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:33:50,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 11:33:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:33:50,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 11:33:50,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:33:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:33:50,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:33:50,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:33:50,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:33:50,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:33:50,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 11:33:50,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:33:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:33:50,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:33:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:33:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:33:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:33:50,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:33:50,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:33:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:33:50,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:33:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:33:50,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:33:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:33:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:50,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 11:33:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:33:50,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:33:50,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:33:50,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:33:50,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:33:50,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:33:50,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:33:50,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:33:50,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:33:50,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:33:50,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:33:50,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:33:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-29 11:33:50,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701751747] [2020-10-29 11:33:50,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:33:50,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-29 11:33:50,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677618497] [2020-10-29 11:33:50,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-29 11:33:50,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:33:50,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-29 11:33:50,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:33:50,727 INFO L87 Difference]: Start difference. First operand 1003 states and 1150 transitions. Second operand 19 states. [2020-10-29 11:33:51,938 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:53,666 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:33:58,305 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:34:00,051 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-29 11:34:01,760 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-29 11:34:03,369 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-29 11:34:06,408 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:34:07,241 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:34:08,069 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:34:09,588 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-10-29 11:34:14,481 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-10-29 11:34:16,739 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-29 11:34:18,449 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-29 11:34:20,154 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-29 11:34:27,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:34:27,160 INFO L93 Difference]: Finished difference Result 3806 states and 5133 transitions. [2020-10-29 11:34:27,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-10-29 11:34:27,161 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 153 [2020-10-29 11:34:27,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:34:27,180 INFO L225 Difference]: With dead ends: 3806 [2020-10-29 11:34:27,181 INFO L226 Difference]: Without dead ends: 2955 [2020-10-29 11:34:27,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2308 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=1114, Invalid=5858, Unknown=0, NotChecked=0, Total=6972 [2020-10-29 11:34:27,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states. [2020-10-29 11:34:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2238. [2020-10-29 11:34:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2238 states. [2020-10-29 11:34:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 2634 transitions. [2020-10-29 11:34:27,835 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 2634 transitions. Word has length 153 [2020-10-29 11:34:27,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:34:27,835 INFO L481 AbstractCegarLoop]: Abstraction has 2238 states and 2634 transitions. [2020-10-29 11:34:27,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-29 11:34:27,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2634 transitions. [2020-10-29 11:34:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-29 11:34:27,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:34:27,840 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:34:27,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:34:27,841 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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]=== [2020-10-29 11:34:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:34:27,841 INFO L82 PathProgramCache]: Analyzing trace with hash 619464295, now seen corresponding path program 1 times [2020-10-29 11:34:27,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:34:27,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401402653] [2020-10-29 11:34:27,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:34:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:27,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:28,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:28,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-29 11:34:28,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:28,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 472 [2020-10-29 11:34:28,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:28,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-29 11:34:28,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:34:28,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:28,994 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:34:28,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:34:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:34:29,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:34:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:29,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:34:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:29,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:34:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:34:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:29,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:34:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:34:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:34:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:29,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 11:34:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 11:34:29,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:34:29,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 11:34:29,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:34:29,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:34:29,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:29,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:34:29,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:29,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:34:29,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:34:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:34:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:34:29,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:34:29,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:34:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-29 11:34:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 11:34:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:34:29,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:34:29,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:34:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 11:34:29,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:34:29,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:34:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:34:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:34:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:34:29,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:34:29,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:34:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:34:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:34:29,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:34:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:34:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:29,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 11:34:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:34:29,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:34:29,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:34:29,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:34:29,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:34:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:34:29,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:34:29,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:34:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:34:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:34:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:34:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:34:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 11:34:29,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401402653] [2020-10-29 11:34:29,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:34:29,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:34:29,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833367748] [2020-10-29 11:34:29,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:34:29,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:34:29,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:34:29,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:34:29,388 INFO L87 Difference]: Start difference. First operand 2238 states and 2634 transitions. Second operand 12 states. [2020-10-29 11:34:32,822 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:34:33,619 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:34:34,476 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:34:35,277 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:34:35,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:34:35,750 INFO L93 Difference]: Finished difference Result 2916 states and 3502 transitions. [2020-10-29 11:34:35,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 11:34:35,752 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-29 11:34:35,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:34:35,753 INFO L225 Difference]: With dead ends: 2916 [2020-10-29 11:34:35,753 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:34:35,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-10-29 11:34:35,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:34:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:34:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:34:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:34:35,763 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-10-29 11:34:35,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:34:35,763 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:34:35,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:34:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:34:35,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:34:35,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 11:34:35,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:34:35,954 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-10-29 11:34:36,402 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 249 [2020-10-29 11:34:37,021 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 249 [2020-10-29 11:34:41,010 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 424 DAG size of output: 389 [2020-10-29 11:34:44,916 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 382 DAG size of output: 331 [2020-10-29 11:34:45,134 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-10-29 11:34:45,427 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-10-29 11:34:45,793 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-10-29 11:34:46,089 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-10-29 11:34:46,347 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 33 [2020-10-29 11:34:49,114 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 382 DAG size of output: 331 [2020-10-29 11:34:51,389 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 405 DAG size of output: 358 [2020-10-29 11:34:56,685 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 32 [2020-10-29 11:34:57,078 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-10-29 11:34:57,880 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-10-29 11:34:58,677 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 27 [2020-10-29 11:34:59,258 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-10-29 11:35:02,298 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-10-29 11:35:08,650 WARN L193 SmtUtils]: Spent 6.35 s on a formula simplification. DAG size of input: 334 DAG size of output: 43 [2020-10-29 11:35:11,318 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 181 DAG size of output: 29 [2020-10-29 11:35:14,718 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 188 DAG size of output: 30 [2020-10-29 11:35:15,490 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:35:18,933 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 203 DAG size of output: 37 [2020-10-29 11:35:19,617 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 1