/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:30:16,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:30:16,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:30:16,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:30:16,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:30:16,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:30:16,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:30:16,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:30:16,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:30:16,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:30:16,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:30:16,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:30:16,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:30:16,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:30:16,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:30:16,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:30:16,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:30:16,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:30:16,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:30:16,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:30:16,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:30:16,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:30:16,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:30:16,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:30:16,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:30:16,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:30:16,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:30:16,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:30:16,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:30:16,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:30:16,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:30:16,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:30:16,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:30:16,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:30:16,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:30:16,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:30:16,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:30:16,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:30:16,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:30:16,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:30:16,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:30:16,542 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 11:30:16,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:30:16,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:30:16,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:30:16,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:30:16,571 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:30:16,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:30:16,572 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:30:16,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:30:16,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:30:16,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:30:16,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:30:16,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:30:16,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:30:16,573 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:30:16,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:30:16,573 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:30:16,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:30:16,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:30:16,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:30:16,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:30:16,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:30:16,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:30:16,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:30:16,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:30:16,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:30:16,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:30:16,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:30:16,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:30:16,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:30:16,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:30:16,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:30:16,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:30:16,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:30:16,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:30:16,979 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:30:16,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-10-29 11:30:17,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fba9e789f/e4a065d491624478a8069f03a5345e8b/FLAG142923f5e [2020-10-29 11:30:17,781 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:30:17,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-10-29 11:30:17,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fba9e789f/e4a065d491624478a8069f03a5345e8b/FLAG142923f5e [2020-10-29 11:30:18,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fba9e789f/e4a065d491624478a8069f03a5345e8b [2020-10-29 11:30:18,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:30:18,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:30:18,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:30:18,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:30:18,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:30:18,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa97317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18, skipping insertion in model container [2020-10-29 11:30:18,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:30:18,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:30:18,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:30:18,459 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:30:18,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:30:18,594 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:30:18,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18 WrapperNode [2020-10-29 11:30:18,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:30:18,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:30:18,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:30:18,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:30:18,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (1/1) ... [2020-10-29 11:30:18,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:30:18,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:30:18,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:30:18,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:30:18,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (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 11:30:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:30:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:30:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:30:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:30:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:30:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:30:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:30:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:30:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:30:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:30:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:30:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:30:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:30:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:30:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:30:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:30:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:30:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:30:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:30:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:30:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:30:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:30:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:30:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:30:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:30:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:30:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:30:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:30:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:30:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:30:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:30:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:30:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:30:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:30:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:30:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:30:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:30:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:30:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:30:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:30:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:30:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:30:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:30:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:30:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:30:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:30:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:30:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:30:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:30:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:30:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:30:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:30:18,842 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:30:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:30:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:30:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:30:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:30:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:30:18,843 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:30:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:30:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:30:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-29 11:30:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:30:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:30:18,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:30:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:30:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:30:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:30:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:30:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-29 11:30:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:30:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:30:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:30:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:30:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:30:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:30:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:30:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:30:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:30:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:30:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:30:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:30:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:30:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:30:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:30:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:30:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:30:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:30:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:30:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:30:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:30:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:30:20,034 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:30:20,035 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:30:20,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:30:20 BoogieIcfgContainer [2020-10-29 11:30:20,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:30:20,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:30:20,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:30:20,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:30:20,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:30:18" (1/3) ... [2020-10-29 11:30:20,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d30a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:30:20, skipping insertion in model container [2020-10-29 11:30:20,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:30:18" (2/3) ... [2020-10-29 11:30:20,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d30a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:30:20, skipping insertion in model container [2020-10-29 11:30:20,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:30:20" (3/3) ... [2020-10-29 11:30:20,078 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33.cil.c [2020-10-29 11:30:20,090 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:30:20,096 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:30:20,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:30:20,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:30:20,154 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:30:20,154 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:30:20,154 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:30:20,155 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:30:20,156 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:30:20,156 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:30:20,156 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:30:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-10-29 11:30:20,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-29 11:30:20,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:30:20,199 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 11:30:20,200 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 11:30:20,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:30:20,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1173658694, now seen corresponding path program 1 times [2020-10-29 11:30:20,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:30:20,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868403618] [2020-10-29 11:30:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:30:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:20,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:20,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:21,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:22,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:25,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:25,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-29 11:30:25,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:30:25,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 11:30:25,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:25,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:25,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-29 11:30:25,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:30:25,891 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:30:25,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:30:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:25,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:26,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-29 11:30:26,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:30:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:26,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:30:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:26,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:26,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:26,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:26,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:26,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:26,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:26,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:30:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:26,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:26,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:26,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:26,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:26,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:26,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:26,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:30:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:26,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:26,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:26,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:26,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:26,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:26,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:26,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:30:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:26,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:26,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:26,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:26,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:26,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:26,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:30:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:26,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:26,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:26,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:26,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:26,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:30:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:26,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:26,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:26,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:26,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:26,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:26,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 11:30:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:26,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:26,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:26,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:26,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:26,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:26,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:26,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:26,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:26,143 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 11:30:26,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868403618] [2020-10-29 11:30:26,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:30:26,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 11:30:26,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938758079] [2020-10-29 11:30:26,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 11:30:26,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:30:26,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 11:30:26,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:30:26,170 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 5 states. [2020-10-29 11:30:26,729 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:30:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:30:27,924 INFO L93 Difference]: Finished difference Result 253 states and 334 transitions. [2020-10-29 11:30:27,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 11:30:27,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-29 11:30:27,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:30:27,940 INFO L225 Difference]: With dead ends: 253 [2020-10-29 11:30:27,940 INFO L226 Difference]: Without dead ends: 140 [2020-10-29 11:30:27,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:30:27,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-29 11:30:28,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 111. [2020-10-29 11:30:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-29 11:30:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2020-10-29 11:30:28,038 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 52 [2020-10-29 11:30:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:30:28,038 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2020-10-29 11:30:28,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 11:30:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2020-10-29 11:30:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 11:30:28,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:30:28,044 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] [2020-10-29 11:30:28,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:30:28,045 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 11:30:28,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:30:28,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2002940360, now seen corresponding path program 1 times [2020-10-29 11:30:28,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:30:28,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861090704] [2020-10-29 11:30:28,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:30:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:28,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:28,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:28,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:28,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:30:33,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:30:33,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-29 11:30:33,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:30:33,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:33,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 11:30:33,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:33,519 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:30:33,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:30:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:33,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-29 11:30:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:30:33,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 11:30:33,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:30:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:33,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:33,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:33,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:30:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:33,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:33,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:33,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:33,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:33,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:30:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:33,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:33,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:33,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:30:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:33,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:33,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:33,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:30:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:33,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:33,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:33,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:30:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:30:33,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:30:33,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:30:33,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:30:33,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:30:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:33,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:33,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:33,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:30:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:33,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:30:33,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:30:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:33,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:33,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:30:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:33,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:33,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:33,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:33,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:33,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:33,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:33,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:33,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:33,919 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 11:30:33,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861090704] [2020-10-29 11:30:33,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:30:33,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:30:33,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360716135] [2020-10-29 11:30:33,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:30:33,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:30:33,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:30:33,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:30:33,926 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 9 states. [2020-10-29 11:30:34,543 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:30:36,382 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2020-10-29 11:30:36,873 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:30:37,315 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:30:37,965 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-29 11:30:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:30:39,379 INFO L93 Difference]: Finished difference Result 354 states and 481 transitions. [2020-10-29 11:30:39,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 11:30:39,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-29 11:30:39,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:30:39,388 INFO L225 Difference]: With dead ends: 354 [2020-10-29 11:30:39,388 INFO L226 Difference]: Without dead ends: 254 [2020-10-29 11:30:39,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-10-29 11:30:39,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-29 11:30:39,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 174. [2020-10-29 11:30:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-29 11:30:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 205 transitions. [2020-10-29 11:30:39,510 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 205 transitions. Word has length 61 [2020-10-29 11:30:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:30:39,510 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 205 transitions. [2020-10-29 11:30:39,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:30:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 205 transitions. [2020-10-29 11:30:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-29 11:30:39,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:30:39,522 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] [2020-10-29 11:30:39,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:30:39,523 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 11:30:39,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:30:39,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2146945909, now seen corresponding path program 1 times [2020-10-29 11:30:39,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:30:39,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529540222] [2020-10-29 11:30:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:30:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:39,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:39,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:40,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:40,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:41,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:44,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:44,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 11:30:44,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:30:44,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 11:30:44,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:44,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:30:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:44,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 11:30:44,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:45,109 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:30:45,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:30:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:45,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-29 11:30:45,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:30:45,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:45,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:30:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:45,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:45,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:45,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:30:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:45,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:45,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:45,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:30:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:45,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:30:45,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:30:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:45,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:45,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:45,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:30:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:45,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:30:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:45,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:45,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:45,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:30:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:30:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:30:45,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:30:45,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:30:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:30:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:30:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:45,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:30:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:45,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:45,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:45,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:45,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:45,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:45,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:30:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:45,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:45,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:45,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-29 11:30:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:45,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:45,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:45,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:45,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:45,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:30:45,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:45,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:45,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:45,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:45,503 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 11:30:45,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529540222] [2020-10-29 11:30:45,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:30:45,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:30:45,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820418287] [2020-10-29 11:30:45,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:30:45,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:30:45,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:30:45,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:30:45,507 INFO L87 Difference]: Start difference. First operand 174 states and 205 transitions. Second operand 8 states. [2020-10-29 11:30:46,028 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:30:47,820 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:30:48,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:30:48,775 INFO L93 Difference]: Finished difference Result 571 states and 763 transitions. [2020-10-29 11:30:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 11:30:48,776 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-10-29 11:30:48,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:30:48,784 INFO L225 Difference]: With dead ends: 571 [2020-10-29 11:30:48,788 INFO L226 Difference]: Without dead ends: 425 [2020-10-29 11:30:48,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-29 11:30:48,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-10-29 11:30:48,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 310. [2020-10-29 11:30:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-29 11:30:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 369 transitions. [2020-10-29 11:30:48,924 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 369 transitions. Word has length 69 [2020-10-29 11:30:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:30:48,925 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 369 transitions. [2020-10-29 11:30:48,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:30:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 369 transitions. [2020-10-29 11:30:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-29 11:30:48,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:30:48,927 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] [2020-10-29 11:30:48,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:30:48,928 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 11:30:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:30:48,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1882031304, now seen corresponding path program 1 times [2020-10-29 11:30:48,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:30:48,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433134301] [2020-10-29 11:30:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:30:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:48,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:49,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:50,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:53,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:53,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-29 11:30:53,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:30:53,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4512 [2020-10-29 11:30:53,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:53,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:30:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:30:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 11:30:53,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:53,883 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:30:53,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:30:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:53,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:53,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:53,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:53,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:53,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 11:30:53,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:53,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:53,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:30:53,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:53,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:30:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:54,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:54,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:54,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:30:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:54,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:54,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:30:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:54,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:54,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:54,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:30:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:54,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:54,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:54,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:30:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:54,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:54,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:30:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:54,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:54,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:54,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:30:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:30:54,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:30:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:30:54,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:30:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:30:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 11:30:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:30:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:30:54,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:30:54,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 11:30:54,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:30:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:30:54,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:54,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:30:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:30:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:30:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:30:54,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:54,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:30:54,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:30:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-29 11:30:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:54,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:30:54,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:30:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 11:30:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:54,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:54,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:30:54,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:30:54,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:30:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:30:54,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:30:54,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:30:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:30:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:30:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:30:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:30:54,216 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 11:30:54,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433134301] [2020-10-29 11:30:54,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:30:54,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:30:54,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908978035] [2020-10-29 11:30:54,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:30:54,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:30:54,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:30:54,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:30:54,219 INFO L87 Difference]: Start difference. First operand 310 states and 369 transitions. Second operand 11 states. [2020-10-29 11:30:54,771 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:30:56,299 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:30:56,705 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:30:57,133 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:30:57,606 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:30:58,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:30:58,694 INFO L93 Difference]: Finished difference Result 704 states and 905 transitions. [2020-10-29 11:30:58,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 11:30:58,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2020-10-29 11:30:58,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:30:58,699 INFO L225 Difference]: With dead ends: 704 [2020-10-29 11:30:58,699 INFO L226 Difference]: Without dead ends: 422 [2020-10-29 11:30:58,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2020-10-29 11:30:58,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-10-29 11:30:58,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 309. [2020-10-29 11:30:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-10-29 11:30:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 366 transitions. [2020-10-29 11:30:58,786 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 366 transitions. Word has length 83 [2020-10-29 11:30:58,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:30:58,787 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 366 transitions. [2020-10-29 11:30:58,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:30:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 366 transitions. [2020-10-29 11:30:58,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 11:30:58,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:30:58,789 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] [2020-10-29 11:30:58,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:30:58,789 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 11:30:58,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:30:58,790 INFO L82 PathProgramCache]: Analyzing trace with hash -808706121, now seen corresponding path program 1 times [2020-10-29 11:30:58,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:30:58,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860825777] [2020-10-29 11:30:58,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:30:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:30:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:30:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:00,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:00,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 11:31:00,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:00,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1716 [2020-10-29 11:31:00,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:00,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:00,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:31:00,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-29 11:31:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 11:31:00,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:00,927 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:00,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:00,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:00,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:00,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:00,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 11:31:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:00,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:00,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:00,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:00,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:00,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:00,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:00,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:00,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:00,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:00,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:00,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:00,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:00,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:00,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:00,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:00,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:00,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:00,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:00,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:00,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:00,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:00,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:01,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:01,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:31:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:01,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:01,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:01,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:31:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:31:01,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 11:31:01,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 11:31:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:01,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:01,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:01,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:01,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:01,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:01,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:01,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:01,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:01,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:01,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 11:31:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:01,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:01,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:01,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:01,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-29 11:31:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:01,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:01,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:01,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:01,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:01,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:01,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:01,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:01,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:01,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:01,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:01,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:01,138 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 11:31:01,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860825777] [2020-10-29 11:31:01,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:31:01,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 11:31:01,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729803379] [2020-10-29 11:31:01,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 11:31:01,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:01,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 11:31:01,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 11:31:01,141 INFO L87 Difference]: Start difference. First operand 309 states and 366 transitions. Second operand 7 states. [2020-10-29 11:31:01,797 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:31:04,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:04,595 INFO L93 Difference]: Finished difference Result 730 states and 976 transitions. [2020-10-29 11:31:04,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:31:04,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-10-29 11:31:04,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:04,602 INFO L225 Difference]: With dead ends: 730 [2020-10-29 11:31:04,602 INFO L226 Difference]: Without dead ends: 726 [2020-10-29 11:31:04,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:31:04,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2020-10-29 11:31:04,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 523. [2020-10-29 11:31:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-10-29 11:31:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 628 transitions. [2020-10-29 11:31:04,739 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 628 transitions. Word has length 84 [2020-10-29 11:31:04,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:04,740 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 628 transitions. [2020-10-29 11:31:04,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 11:31:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 628 transitions. [2020-10-29 11:31:04,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-29 11:31:04,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:04,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 11:31:04,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:31:04,746 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 11:31:04,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:04,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1516767863, now seen corresponding path program 1 times [2020-10-29 11:31:04,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:04,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703050470] [2020-10-29 11:31:04,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:04,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:04,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:04,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:05,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:05,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:09,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-29 11:31:09,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:31:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 11:31:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:09,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 11:31:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 11:31:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,161 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:10,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 11:31:10,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:10,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:10,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:10,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:31:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-29 11:31:10,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:31:10,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-29 11:31:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:31:10,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:31:10,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:10,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:10,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:10,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:10,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 11:31:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:31:10,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 11:31:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:31:10,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:31:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-29 11:31:10,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:31:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 11:31:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:31:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:31:10,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-29 11:31:10,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:31:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:31:10,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:31:10,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:10,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 11:31:10,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:10,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:31:10,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:10,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 11:31:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:31:10,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:31:10,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 11:31:10,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:31:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-29 11:31:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:10,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-29 11:31:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:31:10,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:31:10,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:10,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:10,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-29 11:31:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:10,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 11:31:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:10,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:10,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:10,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:10,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:10,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:10,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:10,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:10,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:10,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:10,716 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-29 11:31:10,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703050470] [2020-10-29 11:31:10,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:31:10,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 11:31:10,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112161409] [2020-10-29 11:31:10,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 11:31:10,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:10,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 11:31:10,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-29 11:31:10,719 INFO L87 Difference]: Start difference. First operand 523 states and 628 transitions. Second operand 13 states. [2020-10-29 11:31:11,605 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:31:12,368 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:31:12,759 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:31:13,188 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:31:13,592 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:31:15,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:15,014 INFO L93 Difference]: Finished difference Result 1251 states and 1682 transitions. [2020-10-29 11:31:15,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 11:31:15,014 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 163 [2020-10-29 11:31:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:15,021 INFO L225 Difference]: With dead ends: 1251 [2020-10-29 11:31:15,021 INFO L226 Difference]: Without dead ends: 756 [2020-10-29 11:31:15,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 11:31:15,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-10-29 11:31:15,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 500. [2020-10-29 11:31:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2020-10-29 11:31:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 572 transitions. [2020-10-29 11:31:15,155 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 572 transitions. Word has length 163 [2020-10-29 11:31:15,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:15,155 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 572 transitions. [2020-10-29 11:31:15,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 11:31:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 572 transitions. [2020-10-29 11:31:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 11:31:15,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:15,159 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] [2020-10-29 11:31:15,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:31:15,159 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 11:31:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:15,160 INFO L82 PathProgramCache]: Analyzing trace with hash 601841900, now seen corresponding path program 1 times [2020-10-29 11:31:15,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:15,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229113118] [2020-10-29 11:31:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-29 11:31:15,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-29 11:31:15,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 11:31:15,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:15,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:15,829 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:15,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:15,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 11:31:15,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:15,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:15,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:15,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:15,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:15,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:15,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:15,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:15,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:15,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:15,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:15,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:15,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:15,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:15,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:15,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:15,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:15,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:15,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:15,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:15,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:15,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:15,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:15,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:15,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:15,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:15,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:15,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:15,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:15,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:31:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:15,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:31:16,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 11:31:16,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:31:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:16,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:31:16,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:31:16,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:31:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:16,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:31:16,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:31:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:31:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:31:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:16,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:16,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 11:31:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:31:16,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:31:16,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 11:31:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:16,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:16,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:16,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:16,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:31:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:16,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:16,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 11:31:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:16,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:16,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:16,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:31:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 11:31:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:31:16,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:16,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:31:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:16,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:16,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:16,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 11:31:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:16,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:16,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 11:31:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:16,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:16,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:16,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:16,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:16,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:16,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:16,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 11:31:16,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229113118] [2020-10-29 11:31:16,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:31:16,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 11:31:16,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034798648] [2020-10-29 11:31:16,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:31:16,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:16,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:31:16,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:31:16,320 INFO L87 Difference]: Start difference. First operand 500 states and 572 transitions. Second operand 11 states. [2020-10-29 11:31:17,551 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:31:17,973 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:31:18,374 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:31:19,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:19,657 INFO L93 Difference]: Finished difference Result 1244 states and 1668 transitions. [2020-10-29 11:31:19,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 11:31:19,658 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2020-10-29 11:31:19,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:19,664 INFO L225 Difference]: With dead ends: 1244 [2020-10-29 11:31:19,665 INFO L226 Difference]: Without dead ends: 772 [2020-10-29 11:31:19,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-29 11:31:19,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2020-10-29 11:31:19,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 516. [2020-10-29 11:31:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-29 11:31:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 588 transitions. [2020-10-29 11:31:19,804 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 588 transitions. Word has length 126 [2020-10-29 11:31:19,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:19,805 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 588 transitions. [2020-10-29 11:31:19,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:31:19,805 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 588 transitions. [2020-10-29 11:31:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-29 11:31:19,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:19,808 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] [2020-10-29 11:31:19,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:31:19,809 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 11:31:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:19,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1710657099, now seen corresponding path program 1 times [2020-10-29 11:31:19,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:19,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942670132] [2020-10-29 11:31:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:19,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:20,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:20,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-29 11:31:20,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-29 11:31:20,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:20,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:31:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:20,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-29 11:31:20,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:20,963 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:31:20,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:31:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:20,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 11:31:21,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:31:21,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:31:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:21,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:21,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:31:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:21,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:21,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:21,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:31:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:21,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:31:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:21,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:31:21,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 11:31:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:21,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:31:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:21,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:31:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 11:31:21,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:31:21,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:31:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:31:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 11:31:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:31:21,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:31:21,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:31:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 11:31:21,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:31:21,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:31:21,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:31:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:31:21,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:31:21,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:31:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:31:21,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-29 11:31:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 11:31:21,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:31:21,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:31:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 11:31:21,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:31:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:21,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 11:31:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:31:21,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:21,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 11:31:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:21,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:31:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 11:31:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:31:21,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:31:21,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:21,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:31:21,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:21,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:31:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:31:21,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 11:31:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:21,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:21,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 11:31:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:31:21,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:31:21,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:31:21,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:31:21,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:31:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:31:21,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:31:21,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:31:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:31:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:31:21,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:31:21,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:31:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-29 11:31:21,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942670132] [2020-10-29 11:31:21,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:31:21,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:31:21,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82360323] [2020-10-29 11:31:21,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:31:21,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:31:21,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:31:21,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:31:21,438 INFO L87 Difference]: Start difference. First operand 516 states and 588 transitions. Second operand 12 states. [2020-10-29 11:31:22,076 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:31:23,209 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-29 11:31:25,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:31:25,615 INFO L93 Difference]: Finished difference Result 1565 states and 1998 transitions. [2020-10-29 11:31:25,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-29 11:31:25,616 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 126 [2020-10-29 11:31:25,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:31:25,624 INFO L225 Difference]: With dead ends: 1565 [2020-10-29 11:31:25,624 INFO L226 Difference]: Without dead ends: 1077 [2020-10-29 11:31:25,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=223, Invalid=769, Unknown=0, NotChecked=0, Total=992 [2020-10-29 11:31:25,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-29 11:31:25,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 920. [2020-10-29 11:31:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-10-29 11:31:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1089 transitions. [2020-10-29 11:31:25,911 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1089 transitions. Word has length 126 [2020-10-29 11:31:25,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:31:25,913 INFO L481 AbstractCegarLoop]: Abstraction has 920 states and 1089 transitions. [2020-10-29 11:31:25,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:31:25,913 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1089 transitions. [2020-10-29 11:31:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-29 11:31:25,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:31:25,917 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:25,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:31:25,918 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 11:31:25,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:31:25,919 INFO L82 PathProgramCache]: Analyzing trace with hash 501628581, now seen corresponding path program 1 times [2020-10-29 11:31:25,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:31:25,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712021848] [2020-10-29 11:31:25,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:31:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 11:31:25,966 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 11:31:25,966 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 11:31:25,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 11:31:26,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:31:26 BoogieIcfgContainer [2020-10-29 11:31:26,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:31:26,026 INFO L168 Benchmark]: Toolchain (without parser) took 67959.09 ms. Allocated memory was 152.0 MB in the beginning and 600.8 MB in the end (delta: 448.8 MB). Free memory was 126.4 MB in the beginning and 436.8 MB in the end (delta: -310.4 MB). Peak memory consumption was 138.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:31:26,026 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 152.0 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:31:26,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.19 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 105.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:31:26,033 INFO L168 Benchmark]: Boogie Preprocessor took 129.10 ms. Allocated memory is still 152.0 MB. Free memory was 105.1 MB in the beginning and 101.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:31:26,038 INFO L168 Benchmark]: RCFGBuilder took 1310.72 ms. Allocated memory is still 152.0 MB. Free memory was 101.2 MB in the beginning and 48.7 MB in the end (delta: 52.5 MB). Peak memory consumption was 53.1 MB. Max. memory is 8.0 GB. [2020-10-29 11:31:26,043 INFO L168 Benchmark]: TraceAbstraction took 65985.12 ms. Allocated memory was 152.0 MB in the beginning and 600.8 MB in the end (delta: 448.8 MB). Free memory was 48.7 MB in the beginning and 436.8 MB in the end (delta: -388.2 MB). Peak memory consumption was 60.6 MB. Max. memory is 8.0 GB. [2020-10-29 11:31:26,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 152.0 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 522.19 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 105.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 129.10 ms. Allocated memory is still 152.0 MB. Free memory was 105.1 MB in the beginning and 101.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1310.72 ms. Allocated memory is still 152.0 MB. Free memory was 101.2 MB in the beginning and 48.7 MB in the end (delta: 52.5 MB). Peak memory consumption was 53.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 65985.12 ms. Allocated memory was 152.0 MB in the beginning and 600.8 MB in the end (delta: 448.8 MB). Free memory was 48.7 MB in the beginning and 436.8 MB in the end (delta: -388.2 MB). Peak memory consumption was 60.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int waterLevel = 1; [L88] int methaneLevelCritical = 0; [L181] int cleanupTimeShifts = 4; [L294] int pumpRunning = 0; [L295] int systemActive = 1; [L681] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L878] int methAndRunningLastTime ; [L259] int retValue_acc ; [L260] int tmp ; [L264] FCALL select_helpers() [L265] FCALL select_features() [L266] CALL, EXPR valid_product() [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L266] RET, EXPR valid_product() [L266] tmp = valid_product() [L268] COND TRUE \read(tmp) [L270] FCALL setup() [L271] CALL runTest() [L252] CALL __utac_acc__Specification2_spec__1() [L883] methAndRunningLastTime = 0 [L252] RET __utac_acc__Specification2_spec__1() [L253] CALL test() [L448] int splverifierCounter ; [L449] int tmp ; [L450] int tmp___0 ; [L451] int tmp___1 ; [L452] int tmp___2 ; [L455] splverifierCounter = 0 [L457] COND TRUE 1 [L459] COND TRUE splverifierCounter < 4 [L465] tmp = __VERIFIER_nondet_int() [L467] COND TRUE \read(tmp) [L469] CALL waterRise() [L105] COND TRUE waterLevel < 2 [L106] waterLevel = waterLevel + 1 [L469] RET waterRise() [L475] tmp___0 = __VERIFIER_nondet_int() [L477] COND TRUE \read(tmp___0) [L479] CALL changeMethaneLevel() [L117] COND FALSE !(\read(methaneLevelCritical)) [L120] methaneLevelCritical = 1 [L479] RET changeMethaneLevel() [L485] tmp___2 = __VERIFIER_nondet_int() [L487] COND TRUE \read(tmp___2) [L500] CALL timeShift() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L331] int tmp ; [L334] COND TRUE ! pumpRunning [L336] CALL, EXPR isHighWaterLevel() [L428] int retValue_acc ; [L429] int tmp ; [L430] int tmp___0 ; [L434] CALL, EXPR isHighWaterSensorDry() [L167] int retValue_acc ; [L170] COND FALSE !(waterLevel < 2) [L174] retValue_acc = 0 [L175] return (retValue_acc); [L434] RET, EXPR isHighWaterSensorDry() [L434] tmp = isHighWaterSensorDry() [L436] COND FALSE !(\read(tmp)) [L439] tmp___0 = 1 [L441] retValue_acc = tmp___0 [L442] return (retValue_acc); [L336] RET, EXPR isHighWaterLevel() [L336] tmp = isHighWaterLevel() [L338] COND TRUE \read(tmp) [L340] CALL activatePump() [L359] pumpRunning = 1 [L340] RET activatePump() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification2_spec__2() [L888] int tmp ; [L889] int tmp___0 ; [L893] CALL, EXPR isMethaneLevelCritical() [L126] int retValue_acc ; [L129] retValue_acc = methaneLevelCritical [L130] return (retValue_acc); [L893] RET, EXPR isMethaneLevelCritical() [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) [L897] CALL, EXPR isPumpRunning() [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); [L897] RET, EXPR isPumpRunning() [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) [L900] COND FALSE !(\read(methAndRunningLastTime)) [L905] methAndRunningLastTime = 1 [L317] RET __utac_acc__Specification2_spec__2() [L500] RET timeShift() [L457] COND TRUE 1 [L459] COND TRUE splverifierCounter < 4 [L465] tmp = __VERIFIER_nondet_int() [L467] COND FALSE !(\read(tmp)) [L475] tmp___0 = __VERIFIER_nondet_int() [L477] COND FALSE !(\read(tmp___0)) [L485] tmp___2 = __VERIFIER_nondet_int() [L487] COND TRUE \read(tmp___2) [L500] CALL timeShift() [L302] COND TRUE \read(pumpRunning) [L304] CALL lowerWaterLevel() [L93] COND TRUE waterLevel > 0 [L94] waterLevel = waterLevel - 1 [L304] RET lowerWaterLevel() [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L331] int tmp ; [L334] COND FALSE !(! pumpRunning) [L349] FCALL processEnvironment__wrappee__base() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification2_spec__2() [L888] int tmp ; [L889] int tmp___0 ; [L893] CALL, EXPR isMethaneLevelCritical() [L126] int retValue_acc ; [L129] retValue_acc = methaneLevelCritical [L130] return (retValue_acc); [L893] RET, EXPR isMethaneLevelCritical() [L893] tmp = isMethaneLevelCritical() [L895] COND TRUE \read(tmp) [L897] CALL, EXPR isPumpRunning() [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); [L897] RET, EXPR isPumpRunning() [L897] tmp___0 = isPumpRunning() [L899] COND TRUE \read(tmp___0) [L900] COND TRUE \read(methAndRunningLastTime) [L902] CALL __automaton_fail() [L286] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product33.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 65.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 30.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 848 SDtfs, 3788 SDslu, 1175 SDs, 0 SdLazy, 4668 SolverSat, 2731 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 451 GetRequests, 283 SyntacticMatches, 4 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=920occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 1209 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 33.4s InterpolantComputationTime, 894 NumberOfCodeBlocks, 894 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 301198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 130/136 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...